Home

Modular Protection System for Motors User Manual

1. Main amp Meter Events Motor Monitor Targets Set Show Status Reset Reset Restore Reset mmm Dyp Imrie TCU Energies Reboot Access Level Event L1 Curr Reset PsetDate 4 PhRot FVRPh XFMR Y L1 Angle Event Rset Time Relay Rated Freq 2 speed CrB T Port 10 Assign DTE Time Passwrd Date CT 2nd Ph VT tun Runtime Main Settings Hphcr MtrFLA 2 LineVolt Y L2 Angle Yes No Stop Time Port F Port 4 Trip Rly Date New PW L3 Cur Time run gt l Overload Ser OL Enable MtrLRC OLWambi Aux Time Reset MD LRT Mtr LRT 2 St Inh Lvl L3 Angle of starts Reset Lvl Fact AcdFact 2 Stop Cool T speed Comint MEME GF Cur 8 Esta
2. L1 L2 L3 F1 F2 and F3 are fuses F1 Li F2 L2 F3 L3 825 P N Wye Wye VT Connection Xfmr Connection Wye L1 L2 L3 F1 11 jb e 3 3 825 P N Open Delta VT Connection Xfmr Connection Delta L1 L2 L3 F1 11 L2 825 3 E F3 L3 The recommended fuse is the Bussman KTK 1 10 1 10 ampere Limitron fuse or its equivalent Rockwell Automation Publication 825 UM004D EN P November 2012 25 Chapter2 Installation Full Voltage Non Reversing Starter Figure 13 AC Connections without CBCTs Al A2 Ed AAA 2 L3 1 3 5 825 MCM 2 4 6 M gis Figure 14 AC Connections with CBCT Converter Module Cat No 825 MCM2 Cat No 825 MCM5 Cat No 825 MCM20 Cat No 825 MCM180 Cat No 825 MCM420 Cat No 825 MCM630N 825 P Converter Module 825 MCM2 825 MCM5 825 MCM20 825 MCM180 825 MCM420 825 MCM630N Current ratio of core balance current transformer 1 2000 1 L3 1 3 5 825 MCM 825 P 2 4 6 51 S2 72 S 7 2 Core Balance Transformer M 35 Output from core balance current transformer 0 500mA Figure 15 AC Connections with Phase CTs and CBCT Li L2 L3
3. i Modbus Register Group DeviceNet Parameter Name Min Max Default cale Units Access Param Read 0x03h Write 0x06h Factor 161 40062 400062 CI TRIP ENABLE 0 Get Set 1 Y 162 40063 400063 CI TRIP LEVEL 5 80 15 1 96 Get Set Current mb 163 40064 400064 CI TRIP DELAY 0 240 5 1 5 Get Set Set 164 40065 400065 CI WARN ENABLE 0 N 0 Get Set 1 Y 165 40066 400066 CI WARN LEVEL 5 80 10 1 Get Set 166 40067 400067 CI WARN DELAY 0 240 10 1 5 Get Set Prot 167 40068 400068 PROT INHIBT TIME 0 Off 240 0 1 5 Get Set Disable 168 40069 400069 OL INHIBIT TIME 0 0ff 240 0 1 5 Get Set Start 169 40070 400070 START MOTOR TIME 0 Off 240 0 1 Monitoring 170 40071 400071 STAR DELTA ENABL 0 N 0 Get Set Star Delta _ Set 171 40072 400072 MAX STAR TIME 0 Off 600 0 1 5 Get Set 172 40073 400073 STARTS HR 0 Off 15 0 1 Get Set Start Inhbt 173 40074 400074 MIN OFF TIME 0 Off 150 0 1 min Get Set Antibackspin 174 40075 400075 RESTART BLK TIME 0 Off 60 0 1 min Get Set Phase Rev 175 40076 400076 PH REV ENABLE 0 N 0 Get Set Set 1 Y Speed Sw 176 40077 400077 SS TRIP DELAY 0 Off 240 0 1 5 Get Set Set 177 40078 400078 SS WARN DELAY 0 Off 240 0 1 Get Set 178 40079 400079 PTC ENABLE 0 N 0 Get Set Settings 179 40080 400080 PTC RESET MODE 0 Manual 0 Get Set 1 Auto 180 40081 400081 RTD ENABLE 0 N 0
4. 5 ps Report Definition Message Format esignator FID Firmware identifier string FID string CID Firmware checksum identifier XXXX Identity Code Relay configuration identification Identity string Current Offset DC offset in hardware circuits of current channels OK WARN L1 L2 L3 RES CB jou DC offset in hardware circuits of voltage channels OK WARN PS Vdc Power supply status OK FAIL FPGA FPGA programming unsuccessful or FPGA failed OK FAIL GPSB General Purpose Serial Bus OK FAIL HMI ae programming unsuccessful or front panel OK WARN RAM Volatile memory integrity OK FAIL ROM Firmware integrity OK FAIL CR_RAM Integrity of settings in RAM and code that runs in RAM OK FAIL Non Vol i of data stored in nonvolatile OK FAIL Ck_Bat Clock battery integrity OK WARN Clock Clock functionality OK WARN PTC Integrity of PTC OK FAIL RTD Integrity of RTD module communications OK FAIL MCM CWE Integrity of current board and MCM CWE OK FAIL Voltage Integrity of voltage board OK FAIL 1 0_Crd Integrity of 1 0 card OK FAIL COM_Crd Integrity of DeviceNet card and network OK FAIL MACID DeviceNet card specific card identification XXXXXX ASA Manufacturer identifier for DeviceNet XXXX DN_Rate DeviceNet card network communications data speed kbps DN Status DeviceNet connection and fault status 000b bbbb Rockwell Automation Publication 825 UM004D EN P November 2012 175 Chapter 12 ASCII Serial Communications
5. mS al le sel je lu Cat No 825 MCM630N Dimensions Cat No a b C d od 41 d2 d3 gel e2 b1 b2 825 MCM2 MCM5 MCM20 120 85 102 66 53 53 100 55 2x2 5mm2 38 5 825 180 120 102 72 53 53 100 55 38 5 75 110 118 825 MCM420 155 145 156 118 6 3 6 3 135 88 11 M10 48 825 MCM630N 155 145 177 118 6 3 6 3 135 88 11 M10 48 Rockwell Automation Publication 825 UM004D EN P November 2012 23 Chapter2 Installation Core Balance Current Transformer Connections Figure 10 Core Balance Current Transformer Connections 5 5 E 825 CBCT Ground Fault Sensor or customer supplied equivalent 190 3011 01 Figure 11 825 CBCT Dimensions mm llel 35 R 150 5 91 090 0 35 E 200 7 87 175 gt 0 69 t A 0110 80 4 33 3 15 175 6 90 Rockwell Automation Publication 825 UM004D EN P November 2012 Installation Chapter 2 Voltage Connections With the Voltage Inputs option the three phase voltages can be directly connected for voltages under 300V 1 wye wye VT connected or open delta VT connected Figure 12 shows the three methods of connecting three phase voltages Figure 12 Voltage Connections Direct Connection Xfmr Connection Wye
6. 4000 1330 550 250 100 20 20 TNF 20K TNF 15K 0 C TNF 5K LINF 5K TNF TNF Nominal pickup temperature R W Resistance to sensors RTD Monitoring When you connect the 825 PR12D RTD Module the 825 P offers several protection and monitoring functions whose settings are described in Table 27 See Figure 4 for the location of the RTD module fiber optic cable connector NOTE The 825 P can monitor up to 12 RTDs connected to the 825 PR12D Module Table 27 shows Location Type and Trip Warn Level settings only for RTD1 settings for RTD2 through RTD12 are similar Rockwell Automation Publication 825 UM004D EN P November 2012 83 Chapter6 Configuring Protection Logic Functions NOTE A fiber optic cable is not included with the 825 PR12D A simplex 62 5 125 um fiber optic cable with ST connector is needed for connecting the 825 PR12D to the 825 P eg part 1570FCBL MM SX 62 STST 2M from Ultra Spec Cable http store ultraspec us Table 27 RTD Settings Setting Prompt Setting Range Factory Default RTD ENABLE YN N RTD RESET MODE Man Auto Man RTD1 LOCATION Off WDG BRG AMB OTH Off RTD1 TYPE PT100 NI100 NI120 CU10 PT100 RTD1 TRIP LEVEL Off 1 250 C Off RTD1 WARN LEVEL Off 1 250 C Off WIND TRIP VOTING YN N BEAR TRIP VOTING YN N TMP RTD BIASING YN N When the 825 PR12D Module is not connected to the rela
7. c O C C UC D O uc Cc c Get Set 217 ChapterB Parameter List DeviceNet Group Param No 316 1 0 Mapping Modbus Register Read 0x03h 40217 Write 0x06h 400217 Parameter Name AUX4 ASSIGN REG1 Min Max 0 Overload 1 Undercurrent 2 Jam 3 Curr Imbalance 4 Short Circuit 5 RTD Wind Bear 6 PIC 7 GF Res 8 VAR 9 Underpower 10 Undervoltage 11 Overvoltage 12 Phase Reversal 13 Power Factor 14 Speed Switch 15 GF CB Default Scale Factor Units Access Get Set cont 317 218 40218 400218 AUX4 ASSIGN REG2 0 Start Time 1 Frequency 1 2 Frequency 2 3 Other 4 Ambient 5 PTC Error 6 RTD Error 7 MCM CWE Error 8 Comm Idle 9 Comm Loss 10 Remote Trip 112 Comm Fault 12 Latch Trip 13 Reserved 14 Reserved 15 Reserved Rockwell Automation Publication 825 UM004D EN P April 2012 C d aS UC X cC CD WO o DO Co X X UD o D X GC 5 X Xo X Get Set Group 1 0 Mapping cont DeviceNet Param No 318 Modbus Register Read 0x03h 40219 Write 0x06h 400219 Parameter Name AUX4 ASSIGN REG3 Min Max 0 RTD_Amb Warn 1 SALARM 2 Warning 3 Load Ctl Upper 4 Load Ctl Lower 5 Timer 1 6 Timer 2 7 Short Ckt Warn 8
8. Command Desaiption 3 2ACCESS 1 2 Go to Access Level 2 Page 167 ACCESS 0 2 Go to Access Level 1 Page 167 ANALOG 2 Test analog output Page 167 DATE 1 2 View or Change date Page 167 METER 1 2 Display metering data Page 168 MOTOR 1 2 Display motor operating statistics report Page 170 MOTOR R or C 2 Reset motor operating statistics Page 170 PASSWORD 2 View or Change password Page 170 QUIT 1 2 Go to Access Level 0 Page 171 SER 1 2 View serialized events recording data Page 171 SER R or C 1 2 Reset serialized events recording data Page 171 SET 2 Enter or Change relay settings Page 172 SHOW 1 2 Show view relay settings Page 173 STATUS 1 2 Display relay self test status Page 174 STATUS R or C 2 Clear self test status and restart relay Page 177 STOP 2 Stop motor Page 177 STR 2 Start motor Page 177 SUMMARY 1 2 View event summary reports Page 177 SUMMARY R or C 1 2 Reset event summary buffer Page 178 TARGET 1 2 Display relay elements inputs or outputs status Page 178 TARGET 2 Reset trip target LEDs Page 179 TIME 1 2 View or Change time Page 179 The serial port command explanations that follow in the Description of Commands subsection are in alphabetical order to correspond with Table 99 Rockwell Automation Publication 825 UM004D EN P November 2012 Description of Commands ASCII Serial Communications Chapter 12 Each command explanation lists e Command Serial port ac
9. Table 6 Symbol Name Description a Test relay analog current output Configurable output with a specified percentage of the full analog output current for a defined period of time or View motor operation statistics Displays the operating statistics of the motor connected to the 825 P Sg View serialized events Display sort and export the serialized event data R St View relay self test status Display the status of the 825 P including option card and A DeviceNet status Me View relay metering data The instantaneous metering screen allows collection and export y of data in real time and is independent of the main screen Sun View event summary report Displays the last five major events Rig View relay thermal metering data Displays thermal data from up to 12 locations Ta View relay word information Displays the status of relay elements R Rockwell Automation Publication 825 UM004D EN P November 2012 53 Chapter 5 54 Using MPS Explorer ANA Test Analog Output The Test Analog Output function will output a specified percentage of the full analog output current for a defined period of time Enter the percentage and duration click the Test button and monitor the analog output for the expected current Analog Output Test Percent of Max Output 20 Exit Duration in minutes 4 MOT Motor Operating Statistics The Motor Operating Statistics function displays the operating statisti
10. 262 DeviceNet Interface Object CLASS CODE 0 00 4 262 Rockwell Automation Publication 825 UM004D EN P November 2012 Manual Overview Preface The 825 P Modular Protection System User Manual describes common aspects of motor relay application and use It includes the necessary information to install set test and operate the relay and more detailed information about settings and commands The chapter descriptions are as follows Preface Describes the manual organization and conventions used to present information Chapter 1 Introduction Describes the basic features and functions of the 825 P Chapter 2 Installation Describes how to mount and wire the 825 P illustrates wiring connections for various applications Chapter 3 Front Panel Operation Explains features and use of the front panel including front panel command menu default displays and automatic messages Chapter 4 Hardware Commissioning Describes how to install and commission the various hardware options for the 825 P Chapter 5 Using MPS Explorer Describes how to use MPS Explorer software to read diagnostic information and configure the 825 P Chapter 6 Configuring Protection amp Logic Functions Describes the operating characteristic of each protection element and explains how to calculate their settings describes contact output logic Chapter 7 Metering amp Monitoring Describes the operation of each met
11. LED Number State 7 6 5 4 3 2 1 0 ALARM Flashing N A WARNING N A N A N A N A N A N A ON Steady Latched ENABLE TRIP N A N A N A N A N A N A 178 Rockwell Automation Publication 825 UM004D EN P November 2012 View or Change Settings with Front Panel Serial Port ASCII Serial Communications Chapter 12 TARGET R Level 2 The TARGET R command resets the front panel tripping targets and releases the trip signal if the fault condition has vanished and lockout conditions are not present If you issue the TARGET R command at the relay serial port or use the front panel Test Reset push button and the relay tripping targets do not reset verify that the fault condition and all lockouts have cleared TIME Level 1 or 2 The TIME command displays the relay clock 24 hours To set the clock type TIME hh mm ss and then press Enter Separate the hours minutes and seconds with colons semicolons spaces commas or slashes For example set 22 47 36 by typing TIME 22 47 36 and then pressing Enter View Settings Use the SHOW command to view relay settings The SHOW command is available from Access Level 1 and Access Level 2 Table 108 lists the SHOW command options Table 108 SHOW Command Options Command Description SHOW Show relay settings SHO A Show all relay settings enabled disabled hidden SHO P Show front serial port settings SHO M Show 1 0 mapping settings You can append a
12. ada od data 90 Analog Outputs errar Funded d iaa 90 Top Inlubit Bloc uoo serie 91 Output Relay Behavior Lid qud bi ostia ad 92 Timer FUNCHON oos ceci 93 Pronk Panel Settings pronta 93 Display Enable TT 94 coro o enisi id 95 Logic Explanation ex eversa 100 Stop Le kake 100 loco QE TTE 100 Unlateh 100 Start de Emergency Restart Logic aseo 101 Overload Curves 103 Chapter 7 6 105 Metering CK EEE 105 Instantaneous MOtCBBE Lc viaa eek EY Rad baee Rab Ra and 106 Thermal Metering pisaba HER d 106 Power Measurement Convenio atacan dde 107 Motor Operating AO rc ve Aa 108 Chapter 8 O EE 109 Event Summary Reports sesso ee ah eva e E REPE RR 109 Serialized Events Recording SER 110 Rockwell Automation Publication 825 UM004D EN P November 2012 7 Table of Contents 825 PDN DeviceNet Communication Card Modbus RTU Communications Testing amp Troubleshooting SER Triggering Pm 110 Example Report P EES 111 Chapter 9 Introduction C o M 113 j 115 Required on d 116 Equipment Shipping with the 116 User Supplied E
13. Converter Module Cat No 825 MCM2 Cat No 825 MCM5 Cat No 825 MCM20 1 3 5 25 3 11 e q 2 4 6 1 S2 T S o T1 Primary Current Transformer A or A 1 A T2 Core Balance Transformer Current ratio of core balance current transformer 1 2000 1 Output from core balance current transformer 0 500 mA 26 Rockwell Automation Publication 825 UM004D EN P November 2012 Installation Chapter 2 Figure 16 Control Connections for a Full voltage Non reversing Starter 1 S0 F 7 1 I St EN Ki 1 95 M 113 O ee fe Ge 1 T XH Z A AUXN 825 2 AUKN 825P A E M 96 298 1 i14 1 1 i HQ 2 1 1 1 L NOTE K1 Contactor On push button Off push button Indicator Contactor Closed Trip relay Indicator Alarm Warning Alarm relay NOTE For AUX1 to work as an alarm warning indicator it must be mapped to the Warning function bit For AUX1 to work as an alarm warning indicator it must be mapped to the Warning function bit Rockwell Automation Publication 825 UM004D EN P November 2012 27 Chapter2 Installation Full Voltage Reversing Starter Full voltage reversing starter motor applications require the following settings TWO SPEED ENABLE Y Yes e 20000000100 Speed 2 FVRPHASING the phase A B or C th
14. 400214 AUX3 ASSIGN REG2 0 Start Time 1 Frequency 1 2 Frequency 2 3 Other 4 Ambient 5 PTC Error 6 RTD Error 7 MCM CWE Error 8 Comm Idle 9 Comm Loss 10 Remote Trip 112 Comm Fault 12 Latch Trip 13 Reserved 14 Reserved 15 Reserved Rockwell Automation Publication 825 UM004D EN P April 2012 C d aS UC X cC CD WO o DO Co X X UD o D X GC 5 X Xo X Get Set Group 1 0 Mapping cont DeviceNet Param No 314 Modbus Register Read 0x03h 40215 Write 0x06h 400215 Parameter Name AUX3 ASSIGN REG3 Min Max 0 RTD_Amb Warn 1 SALARM 2 Warning 3 Load Ctl Upper 4 Load Ctl Lower 5 Timer 1 6 Timer 2 7 Short Ckt Warn 8 Stopped 9 Running 10 Starting 11 Star 12 Delta 13 Start 14 Network 15 Reserved Default Scale Factor Parameter List Units Chapter B Access Get Set 315 40216 400216 AUX3 ASSIGN REG4 0 Overload Warn 1 Undercurr Warn 2 Jam Warn 3 Curr Imbal Warn 4 RTD W B Warn 5 Pwr Factor Warn 6 GF CB Warn 7 GF Res Warn 8 VAR Warn 9 Underpower Warn 10 Undervolt Warn 11 Overvolt Warn 12 Spd Switch Warn 13 Freq Warn 14 Freq2 Warn 15 RTD OtherWarn Rockwell Automation Publication 825 UM004D EN P April 2012 O ca O O D amp C
15. Access Get Set 327 40228 400228 AUX6 ASSIGN REG4 0 Overload Warn 1 Undercurr Warn 2 Jam Warn 3 Curr Imbal Warn 4 RTD W B Warn 5 Pwr Factor Warn 6 GF CB Warn 7 GF Res Warn 8 VAR Warn 9 Underpower Warn 10 Undervolt Warn 11 Overvolt Warn 12 Spd Switch Warn 13 Freq Warn 14 Freq2 Warn 15 RTD OtherWarn Rockwell Automation Publication 825 UM004D EN P April 2012 O ca O O D amp C c O C C UC D O uc Cc c Get Set 223 ChapterB Parameter List DeviceNet Group Param No 328 1 0 Mapping Modbus Register Read 0x03h 40229 Write 0x06h 400229 Parameter Name IN1 ASSIGN Min Max 0 Emergency Start 1 Disable Settings 2 Trip Reset 3 Timer 1 4 Timer 2 5 Speed Switch 6 Block Protection 7 Speed 2 8 Bkr Cont Aux 9 Remote Trip 10 Reserved 11 Reserved 12 Reserved 13 Reserved 14 Reserved 15 Reserved Default Scale Factor Units Access Get Set cont 329 224 40230 400230 IN2 ASSIGN 0 Emergency Start 1 Disable Settings 2 Trip Reset 3 Timer 1 4 Timer 2 5 Speed Switch 6 Block Protection 7 Speed 2 8 Bkr Cont Aux 9 Remote Trip 10 Reserved 11 Reserved 12 Reserved 13 Reserved 14 Reserved 15 Reserved Rockwell Automation Publication 825 UM004D EN P April 2012 Sa gt
16. Byte Bit7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 Warning Tripped 1 Reserved 2 Average 3 Phase Current low 3 Average 3 Phase Current high Instance 102 is the 825 Phase Current Input produced assembly Instance 102 825 Phase Current Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 Warning Tripped 1 Reserved 2 Current Phase L1 low 3 Current Phase L1 high 4 Current Phase L2 low 5 Current Phase L2 high 6 Current Phase L3 low 7 Current Phase L3 high Rockwell Automation Publication 825 UM004D EN P April 2012 247 ChapterE DeviceNet Information Instance 103 is the 825 Current Input produced assembly Instance 103 825 Current Byte Bit7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 Warning Tripped 1 Thermal Capacity Used 2 Average 3 Phase Current low 3 Average 3 Phase Current high 4 Asymmetry Instance 104 is the 825 Misc Input produced assembly Instance 104 825 Phase Current Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 Warning Tripped 1 Thermal Capacity Used 2 Average 3 Phase Current low 3 Average 3 Phase Current high 4 Asymmetry 5 Max value of all Temperature sensors 6 Earth Current low 7 Earth Current high This is a Read Only status assembly Instance 180 Hardware Inputs 1 6 Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3
17. RightArrow Move the cursor to the right While viewing Event data move to the data for an older event 9 O Re activate the front panel display back lighting ESC Back out from the current menu or display Enter Move from the default display to the main menu Select the menu item at the cursor Select the displayed setting to edit the setting Trip Reset The Test Reset push button has two functions if it has not been disabled TESTIRESET Pressing the Test Reset push button resets the Trip LED and the Trip output of the relay If a trip condition is active the front panel message displays the following Reset Failed TRIP is active To test the trip output press the Test Reset push button for longer than two seconds The Test Reset push button is disabled when Disable settings are active The Test Reset push button has two functions if it has not been disabled Pressing the Test Reset push button resets the Trip LED and the Trip output of the relay If a trip condition is active the front panel message displays the following Reset Failed TRIP is active To test the trip output press the Test Reset push button for longer than two seconds The Test Reset push button is disabled when Disable settings are active see Table 44 36 Rockwell Automation Publication 825 UM004D EN P November 2012 Front Panel Operation Chapter 3 Front Panel Security Front Panel Access Levels
18. Assign the protection element Relay Word bits that you want to cause the relay to trip to the Trip output see Table 42 Unlatch Trip Following a fault the trip condition is maintained until all of the following conditions are true 0 5 second minimum trip duration time passes atrip reset command is received as follows an Auto Reset bit from Overload RTD or PTC protection elements asserts arising edge of the Target Reset control bit from control input front panel serial port network or Emergency Start is detected e all the motor lockout functions described below de assert Rockwell Automation Publication 825 UM004D EN P November 2012 Configuring Protection amp Logic Functions Chapter 6 The relay automatically locks out the trip relay by asserting the trip signal under any of the following start inhibiting conditions Restart Anti backspin Block The restart block timer has not expired since the motor trip occurred The trip condition is maintained until the timer expires e Minimum Time Between Starts Lockout A new start is not permitted until after the minimum time between starts has passed The trip condition is maintained until a start is permitted Starts Per Hour Limit Lockout If the starts per hour limit has been met a new start is not permitted until 60 minutes after the oldest start The trip condition is maintained until a start is permitted e TCU Start Inhibit The motor therm
19. Table 62 RS 232 Connections Pin Pin Function Definition 1 5V DC 2 RxD Receive Data 3 TxD Transmit Data 4 NC No Connection 5 GND Signal Ground 6 GND Signal Ground 7 NC No Connection 8 RTS Request to Send 9 CTS Clearto Send Figure 46 Example of wiring between a MicroLogix PLC Advanced Interface Converter AIC and the 825 PMB Modbus Option Card 1761 NET AIC MASTER Port 3 RS 485 connector Rockwell Automation Publication 825 UM004D EN P November 2012 133 Chapter10 Modbus RTU Communications Commissioning 134 Figure 47 Example of Modbus network consisting of a MicroLogix 1500 PLC as the Master device and an 825 P and PanelView 550 as the Slave devices 825 P Modular Motor Protection Relay Slave Device MODBUS Network MicroLogix 1500 Master Device PanelView 550 Slave Device The Modbus communication card Port 4 can be configured through the front panel or serial port using the following settings Front panel access uses the following path MAIN gt Set Show gt Port gt Port 4 Table 63 Modbus communication card settings Setting Prompt Setting Range Factory Default COMM INTERFACE 232 485 232 PROTOCOL ASC MOD MOD SPEED 300 38 400 bps 19 200 PARITY 0 E N N MODBUS SLAVE ID 1 248 248 The following table provides settings to use for each communication card Table 64 Communication card settings S
20. UE Save Changes Yes No Select Yes to resolve the address conflict Rockwell Automation Publication 825 UM004D EN P November 2012 49 Chapter4 Hardware Commissioning Removing an Option Card 50 Remove control power from the relay and remove the back cover Remove the option card from the 825 P Replace the cover and reapply control power to the relay The display will show the following message to indicate that something is different with the hardware configuration STATUS FAIL xxxxxx Card Fail Navigate to Main Status to view the Status display NJ The display will show the following message Confirm Hardware Config Enter Press the Enter key to confirm that you want this hardware change a Confirm Config Select Yes to confirm the new hardware configuration and the display will show Config Accepted Enter to Reboot Press Enter to reboot the relay UNE Rockwell Automation Publication 825 UM004D EN P November 2012 Software Overview Communications Settings Chapter 5 Using MPS Explorer The MPS Explorer software allows users to access settings and data on Modular Protection Systems MPS for motors The 825 P connects to a PC via the serial communications port Port F on the front face where settings can be configured Real time monitoring of metering data and diagnostic information can also be viewed on the front face The data that is
21. 0x13 COS acknowledged 4 Get Produced Connection ID UINT 01101xxxxxx XXXXXX node address 5 Get Consumed Connection ID UINT 10 101 XXXXXX node address 6 Get Initial Comm Characteristics USINT 0x02 acknowledged Ox0F unacknowledged 7 Get Produced Connection Size UINT 0108 8 Get Consumed Connection Size UINT 0to8 9 Get Set Expected Packet Rate UINT in milliseconds 12 Get Watchdog Action USINT 0 transition to timed out 1 auto delete 2 auto reset 13 Get Produced Connection Path Length UINT 8 14 Get Produced Connection Path 210400 25 assy inst 00 30 03 15 Get Consumed Connection Path Length UINT 8 16 Get Set Consumed Connection Path 210400 25 assy inst 00 30 Rockwell Automation Publication 825 UM004D EN P April 2012 03 253 ChapterE DeviceNet Information Instances 5 7 are available group 3 explicit message connections that are allocated through the UCMM The following attributes are supported Attribute ID Access Rule Name Data Type Value 1 Get State USINT 0 nonexistant 1 configuring 3 established 4 timed out 2 Get Instance Type USINT 0 Explicit Message 3 Get Transport Class Trigger USINT 0x83 Server Transport Class 3 4 Get Produced Connection ID UINT Depends on message group and Message ID 5 Get Consumed Connection ID UINT Depends on message group and Message ID 6 Get Initial Comm Character
22. 10 06 07 2003 14 34 32 786 STARTING Asserted 9 06 07 2003 14 34 42 795 RUNNING Asserted 8 06 07 2003 14 34 42 795 STARTING Deasserted 7 06 07 2003 14 39 45 398 AMBALRM Asserted 6 06 07 2003 14 39 47 907 AMBTRIP Asserted 5 06 07 2003 14 39 47 907 TRIP Asserted 4 06 07 2003 14 39 48 007 AMBTRIP Deasserted 3 06 07 2003 14 39 48 007 AMBALRM Doeasserted 2 06 07 2003 14 39 48 028 STOPPED Asserted 06 07 2003 14 39 48 028 RUNNING Deasserted Rockwell Automation Publication 825 UM004D EN P November 2012 111 Chapter8 Analyzing Events Table 50 Example SER Report Explanations Item Explanation 11 10 9 8 7 After a 10 second accelerating time the motor relay indicates the motor is running 9 Later the ambient temperature alarm element asserts 6 5 The ambient temperature trip element times out causing the relay to trip Trip is asserted 4 3 Dedining temperature allows the elements to drop out 2 1 As the current continues to drop the relay declares the motor stopped 112 Rockwell Automation Publication 825 UM004D EN P November 2012 Chapter 9 825 PDN DeviceNet Communication Card Introduction The 825 PDN DeviceNet Communication Card is an optional accessory that enables connection of the 825 P Modular Protection System to the DeviceNet automation network The card occupies the communication expansion slot Slot C in the 825 P Modular Protection System Figure 38 825 P Modular Prote
23. 3 oOo du ee 5 lt 5 3 3 3 3 c GC Get Set 15 Net OUT16 Rockwell Automation Publication 825 UM004D EN P April 2012 201 ChapterB Parameter List Group Degrees Parameter Name Min Max Default 18 Units Access Param Read 0x03h Write 0x06h Factor 101 40002 400002 PHASE ROTATION 0 ABC 0 Get Set 1 102 40003 400003 RATED FREQ 0 50 1 Hz Get Set 1 60 103 40004 400004 DATE FORMAT 0 0 Get Set 1 YMD 2 DMY 104 40005 400005 PHASE CT RATIO 1 5000 1 1 Get Set Main 105 40006 400006 MOTOR FLA le 5 50000 5 10 A Get Set Settings 106 40007 400007 TWO SPEED ENABLE 0 N 0 Get Set 1 Y 107 40008 400008 CTRATIO 2nd 1 5000 1 1 Get Set 108 40009 400009 MOTOR FLA 2nd 5 50000 5 10 A Get Set 109 40010 400010 CORE B CT RATIO 1 2000 100 1 Get Set 110 40011 400011 PHASE VT RATIO 100 25000 1 100 Get Set 111 40012 400012 LINE VOLTAGE 100 30000 100 1 Get Set 112 40013 400013 XFMR CONNECTION 0 Delta 0 Get Set 1 Wye 113 40014 400014 OVERLOAD ENABLE 0 N 1 Get Set 1 Y 114 40015 400015 OL RESET MODE 0 Manual 0 Get Set 1 Auto 115 40016 400016 OL RESET LEVEL 10 99 75 1 TCU Get Set 116 40017 400017 SERVICE FACTOR 101 150 101 100 Get Set 117 40018 400018 MOTOR LRC 25 120
24. Event Date 01 29 2003 Event Time 14 13 05 931 L2 L3 CURRENT MAG A 8 2 gt gt SUMMARY R Level 2 The SUMMARY R command clears all the events in the event buffer TARGET Level 1 or 2 The TARGET command displays the status of relay elements whether they are asserted or de asserted The elements are represented as Relay Status bits and are listed in rows of eight called Relay Status rows For additional information on individual Relay Status bits refer to Appendix C Relay Word Bits A Relay Word bit is either at logical 1 asserted or at logical 0 de asserted The TAR command options are listed in Table 106 Table 106 TARGET Command Options Commands Descriptions TAR nk Shows Relay Word Row 0 10 kis an optional parameter to specify the number of times 1 32767 to repeat the Relay Word row display If k is not specified the Relay Word row is displayed once See Table 106 for the definition of Row 0 See Table for a list of the Relay Word bits in each row 1 10 TAR name Shows the Relay Word bit row containing the Relay Word bit name e g TAR 50P1T displays Relay Word Row 1 Valid names are shown in TARGET R Level 2 on page 179 kis an optional parameter to specify the number of times 1 32767 to repeat the Relay Word bit row display If k is not specified the Relay Word row is displayed once Table 107 Front Panel LEDs and the TAR 0 Command
25. Figure 58 STATUS Command Example gt gt STA 825 P Modular Date 03 03 2003 Time 11 54 40 361 Prot System FID 825 P R100 V0 2001001 D20030225 010 Identity Code 1522001BCX0X1X1X SELF TESTS Current L1 L3 Offset OK OK Voltage VA Offset PS Vdc FPGA HMI OK OK Ok Ok RAM ROM CR RAM Non Vol Clk Bat Clock OK OK OK OK Ok OK RTD MCM CWE Voltage I O Com Crd OK Ok OK OK OK OK MAC ID ASA DN Rate DN Status 0 0000 0000h Okbps 0000 0000 Relay Enabled gt gt Figure 59 Identity Code Explanation 1552001BAXOXOAOX Converter Module Communication Card Expansion I O Card Voltage Sensing Card X None 0 None 0 None 0 None A 825 MCM2 3 DeviceNet 1 Installed 1 Installed B 825 MCM5 825 MCM20 D 825 MCM180 E 825 MCM420 F 825 MCM630N Figure 60 DN Status Explanation 0000 0000 Undefined I D Idle I O Fault Explicit Fault I O Connection Explicit Connection 176 Rockwell Automation Publication 825 UM004D EN P November 2012 ASCII Serial Communications Chapter 12 STATUS R or C Level 2 To reset the self test status and restart the relay enter the STA R command from Access Level 2 The relay then restarts like powering down and then powering up the relay and all diagnostics are rerun before the relay is enabled STOP Level 2 The STOP command causes the relay to trip opening the motor contactor or
26. Get Set T2Y 181 40082 400082 RTD RESET MODE 0 Manual 0 Get Set 1 Auto 182 40083 400083 RTD1 LOCATION 0 Off 0 Get Set 1 Wdg RID 2 Brg Settings 3 Amb 4 0th 183 40084 400084 RTD1 TYPE 0 Pt100 0 Get Set 1 Ni100 2 Ni120 3 ul0 184 40085 400085 RTD1 TRIP LEVEL 0 Off 250 0 1 eC Get Set 185 40086 400086 RTD1 WARN LEVEL 0 0ff 250 0 1 Get Set 204 Rockwell Automation Publication 825 UM004D EN P April 2012 Parameter List Chapter i Modbus Register Group DeviceNet Parameter Name Min Max Default Scale Units Access Read 0x03h Write 0x06h Factor 186 40087 400087 RTD2 LOCATION 0 Off 0 Get Set 1 Wdg 2 Brg 3 4 0th 187 40088 400088 RTD2 TYPE 0 Pt100 0 Get Set 188 40089 400089 RTD2 TRIP LEVEL 0 Off 250 0 1 Get Set 189 40090 400090 RTD2 WARN LEVEL 0 Off 250 0 1 C Get Set 190 40091 400091 RTD3 LOCATION 0 Off 0 Get Set 1 Wdg 2 Brg 3 Amb 191 40092 400092 RTD3 TYPE 0 Pt100 0 Get Set 192 40093 400093 RTD3 TRIP LEVEL 0 Off 250 0 1 Get Set 193 40094 400094 RTD3 WARN LEVEL 0 Off 250 0 1 Get Set 194 40095 400095 RTD4 LOCATION 0 Off 0 Get Set 1 Wdg 2 Brg 3 Amb 4 0th 195 40096 400096 RTD4 TYPE 0 Pt100 0 Get Set m 1 Ni100 Settings c cont 3 010 196 400
27. Net INY 9 Net IN10 10 Net IN11 11 Net IN12 12 Net IN13 13 Net IN14 14 Net IN15 15 Net IN16 Get 51 NETWORK INPUTS 17 32 0 Net 1 Netl 2 Netl 3 Netl 4 Netl 5 Netl 6 Netl 7 Netl 8 Netl 9 Netl 26 10 Net IN27 11 Net IN28 12 Net IN29 13 Net IN30 14 Net IN31 15 Net IN32 Rockwell Automation Publication 825 UM004D EN P April 2012 ao gt sa C 3 C oc CO CO uU 3 9 C C C 3 C gt C Get Group DeviceLogix cont DeviceNet Param No 52 Modbus Register Read 0x03h Write 0x06h Parameter Name NETWORK OUTPUTS Min Max 0 Net OUT 1 Net OUT2 2 Net OUT3 3 Net OUT4 4 Net OUTS 5 Net OUT6 6 Net OUT7 7 Net OUT8 8 Net OUT9 9 Net 00710 10 Net 0UT11 11 Net OUT12 12 Net OUT13 13 Net OUT14 14 Net OUT15 15 Net OUT16 Default Scale Factor Parameter List Units Chapter B Access Get 53 NETWORK OVERIDE 0 Disabled 1 Enabled Get Set 54 COMM OVERRIDE 0 Disabled 1 Enabled Get Set 55 NET OUT COS MASK 0 Net 0UT1 1 Net OUT2 2 Net OUT3 3 Net OUT4 4 Net OUTS 5 Net OUT6 6 Net OUT7 7 Net OUT8 8 Net OUT9 9 Net 00710 10 Net OUT11 11 Net OUT12 12 Net OUT13 13 Net OUT14 14 Net OUT15 ao O 5 O co 3 3 3 3 Od
28. OR describes when any one assigned element asserts the Trip relay will operate Auxiliary 1 0 Table 43 Aux Assignments Setting Prompt 0 1 Description Aux A X Overload Undercurrent Jam Current Imbalance Short Circuit RTD Winding Bearing PTC Ground Fault Residual Aux B X VAR Underpower Undervoltage Overvoltage Phase Reversal Power Factor Speed Switch Ground Fault Core Balance Aux X Start Time Frequency 1 Frequency 2 RTD Other RTD Ambient PTC Error RTD Error MCM Error Rockwell Automation Publication 825 UM004D EN P November 2012 Configuring Protection amp Logic Functions Chapter 6 Table 43 Aux Assignments e Setting Prompt 112 3 4 5 6 7 Description Aux D X Comm Idle X Comm Loss X Remote Trip X Comm Fault X Latch Trip X Reserved X Reserved X Reserved Aux E X Overload Warning X Undercurrent Warning X Jam Warning X Current Imbalance Warning X RTD Winding Bearing Warning X Power Factor Warning X Ground Fault Core Balance Warning X Ground Fault Residual Warning Aux F X VAR Warning X Underpower Warning X Undervoltage Warning X Overvoltage Warning X Speed Switch Warning X Frequency 1 Warning
29. Phase Reversal 13 Power Factor 14 Speed Switch 15 GF CB Default Scale Factor Units Access Get Set cont 305 212 40206 400206 AUX1 ASSIGN REG2 0 Start Time 1 Frequency 1 2 Frequency 2 3 Other 4 Ambient 5 PTC Error 6 RTD Error 7 MCM CWE Error 8 Comm Idle 9 Comm Loss 10 Remote Trip 112 Comm Fault 12 Latch Trip 13 Reserved 14 Reserved 15 Reserved Rockwell Automation Publication 825 UM004D EN P April 2012 C d OX UC cO WO Co X UD o D 3 gt X X CD X Get Set Group 1 0 Mapping cont DeviceNet Param No 306 Modbus Register Read 0x03h 40207 Write 0x06h 400207 Parameter Name AUX1 ASSIGN REG3 Min Max 0 RTD_Amb Warn 1 SALARM 2 Warning 3 Load Ctl Upper 4 Load Ctl Lower 5 Timer 1 6 Timer 2 7 Short Ckt Warn 8 Stopped 9 Running 10 Starting 11 Star 12 Delta 13 Start 14 Network 15 Reserved Default Scale Factor Parameter List Units Chapter B Access Get Set 307 40208 400208 AUX1 ASSIGN REG4 0 Overload Warn 1 Undercurr Warn 2 Jam Warn 3 Curr Imbal Warn 4 RTD W B Warn 5 Pwr Factor Warn 6 GF CB Warn 7 GF Res Warn 8 VAR Warn 9 Underpower Warn 10 Undervolt Warn 11 Overvolt Warn 12 S
30. Speed Switch Alarm Asserts when the relay does not detect a speed switch contact closure within a settable warning period from the beginning of a motor start Definite Time Over and Underfrequency Element Warning Level 1 Assert when the frequency has been either above or below the element set point for a definite time Definite Time Over and Underfrequency Element Warning Level 2 Assert when the frequency has been either above or below the element set point for a definite time Other Temperature Alarm Asserts when any healthy Other RTD temperature exceeds its alarm warning set point Ambient Temperature Alarm Asserts if the healthy ambient RTD temperature exceeds its alarm warning set point Pulses for the following conditions Setting Changes Access Level Changes and three unsuccessful password entry attempts Asserts when any of the protection elements warning level operates or when the relay detects self test failure see Table 89 RTD PTC faults or DeviceNet communications alarms Asserts when the selected load parameter exceeds an upper level setting see Table 34 Asserts when the selected load parameter drops below a lower level setting see Table 34 Output of the Timer Function logic see Table 39 Definite Time Phase Overcurrent Short Circuit Warning Level 8 STOPPED RUNNING STARTING STAR DELTA START Asserts when the motor is stopped Asserts when the motor is running Asserts whe
31. Stopped 9 Running 10 Starting 11 Star 12 Delta 13 Start 14 Network 15 Reserved Default Scale Factor Parameter List Units Chapter B Access Get Set 319 40220 400220 AUX4 ASSIGN REG4 0 Overload Warn 1 Undercurr Warn 2 Jam Warn 3 Curr Imbal Warn 4 RTD W B Warn 5 Pwr Factor Warn 6 GF CB Warn 7 GF Res Warn 8 VAR Warn 9 Underpower Warn 10 Undervolt Warn 11 Overvolt Warn 12 Spd Switch Warn 13 Freq Warn 14 Freq2 Warn 15 RTD OtherWarn Rockwell Automation Publication 825 UM004D EN P April 2012 O ca O O D amp C c O C C UC D O uc Cc c Get Set 219 ChapterB Parameter List DeviceNet Group Param No 320 1 0 Mapping Modbus Register Read 0x03h 40221 Write 0x06h 400221 Parameter Name AUX5 ASSIGN REG1 Min Max 0 Overload 1 Undercurrent 2 Jam 3 Curr Imbalance 4 Short Circuit 5 RTD Wind Bear 6 PIC 7 GF Res 8 VAR 9 Underpower 10 Undervoltage 11 Overvoltage 12 Phase Reversal 13 Power Factor 14 Speed Switch 15 GF CB Default Scale Factor Units Access Get Set cont 321 220 40222 400222 AUX5 ASSIGN REG2 0 Start Time 1 Frequency 1 2 Frequency 2 3 Other 4 Ambient 5 PTC Error 6 RTD Error 7 MCM
32. want to input the address for the device on the selected network Cancel Add Cancel Address Autobrowse Refresh Browsing network Workstation USMKEJPCL H Linx Gateways Ethe Eez es m KFD 1 Dev 22 Explicit Messaging The 825 PDN is capable of using explicit messages to retrieve data that is not automatically acquired based on the input and output assembly of the device The example shows how to configure an explicit message with a ControlLogix processor To assist in the development of the example the network consists only of the 825 P Modular Protection System and scanner Therefore the only mapped information in the scanner is the 825 P Modular Protection System Rockwell Automation Publication 825 UM004D EN P November 2012 121 Chapter9 825 PDN DeviceNet Communication Card The following example utilizes the input and output assemblies of 50 and 2 The tables below list the data configuration for the ControlLogix platform and include the Tag Name as used in the example program Table 55 Example ControlLogix Input Addressing produced assembly Instance 50 ODVA Overload Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Address Local 1 1 Local 1 1 Local 1 1 Local 1 1 Local 1 1 Local 1 1 Local 1 1 Local 1 1 Data 1 7 Data 1 6 Data 1 5 Data 1 4 Data 1 3 Data 1 2 Data 1 1 Data 1 0 Tag Name Status Fault 0 Reserved Reserved Reser
33. 1 20xVnm Off OV WARN DELAY 0 0 120 05 50 When you connect the 825 P voltage inputs to phase to phase connected PTs as in Figure 12 the relay provides two levels of phase to phase overvoltage and undervoltage elements When you connect the 825 P voltage inputs to phase to neutral connected PTs as in Figure 12 the relay provides two levels of phase to neutral overvoltage and undervoltage elements Each of the elements has an associated time delay You can use these elements for tripping and warning To disable an element set the level setting to Off VAR Function Table 30 VAR Settings Setting Prompt Setting Range Factory Default NEG VAR TRIP LEV Off 1 25000 KVAR Off POS VAR TRIP LEV Off 1 25000 KVAR Off VAR TRIP DLY 0 2405 1 NEG VAR WARN LEV Off 1 25000 KVAR Off POS VAR WARN LEV Off 1 25000 KVAR Off VAR WARN DLY 0 2405 1 NOTE VAR Trip and Warning Level settings are in Primary KVAR If the positive or negative reactive power exceeds the appropriate level for longer than the time delay setting the relay can issue a warning or trip signal The reactive power elements are disabled when the motor is stopped or starting Elements can be used to detect synchronous motor out of step or loss of field conditions Refer to Power Measurement Conventions on page 107 for the relay power measurement convention Rockwell Automation Publication 825 UM004D EN P November 2012 87 Chap
34. 380 40281 MAX BEARING RTD 32768 32767 1 C Get 381 40282 MAX AMBIENT RTD 32768 32767 1 C Get 382 40283 MAX OTHER RTD 32768 32767 1 Get 383 40284 RTD1 32768 32767 1 2C Get 384 40285 RTD2 32768 32767 1 aC Get 385 40286 RTD3 32768 32767 1 ya Get 386 40287 RTD4 32768 32767 1 C Get RTD Data 387 40288 RTD5 32768 32767 1 C Get 388 40289 RTD6 32768 32767 1 389 40290 RTD7 32768 32767 1 C Get 390 40291 RTD8 32768 32767 1 391 40292 RTD9 32768 32767 1 C Get 392 40293 RTD10 32768 32767 1 E Get 393 40294 RTD11 32768 32767 1 C Get 394 40295 RTD12 32768 32767 1 XC Get 395 40296 RTD TCU 0 100 1 Get 396 40297 THERM CAP USED 0 9990 100 Get 397 40298 TIME TO TRIP 0 9999 1 p ae 40299 STARTS AVAILABLE 0 255 1 Get 399 40300 TIME RESET 0 9999 1 5 400 40301 Reserved 228 Rockwell Automation Publication 825 UM004D EN P April 2012 Parameter List Chapter B Group DeviceNet 22208 Parameter Name Min Max Default du Units Access Param Read 0x03h Write 0x06h Factor 401 40302 ELAPSED TIME mm 0 59 1 Get 402 40303 ELAPSED TIME hh 0 23 1 Get 403 40304 ELAPSED TIME dd 0 65535 1 Get 404 40305 RUNNING TIME mm 0 59 1 Get 405 40306 RUNNING TIME hh 0 23 1 G
35. ANALOG Level 2 cene 167 DATE b lle ears PE RE 167 METER Level anbe ee 168 MOTOR Leda aia 170 PASSWORD Level Doria da al 170 QUIT Level ac 171 SER Level E AA EE 171 SEE 172 SHOW a ale ga 173 STATUS Level Nede 174 STOP Level 177 177 SUMMARY Level 1 2 177 TARGET Level lor 178 TIME er Queste ded vb FEM e leads 179 View or Change Settings with Front Panel Serial Port 179 Chapter 13 Firmware Upgrade Instructions 183 Re quited Eple AR 183 Upgrade ee GERE EE 183 Appendix A Specifications 187 Rockwell Automation Publication 825 UM004D EN P November 2012 9 Table of Contents Parameter List Relay Word Bits ASCII Port Relay Command Summary DeviceNet Information Main Circuits 187 Control AAPP 188 Mechanical testi 189 Scanner Module orto 189 Electromagnetic Compatibility rey 190 Metering Accuracy ce oues CE are C UPPER CE 190 aida 190 bi p Tm 190 Primary Current Trans aio euo resa dex Rates ex x ada 191 825 CBCT Core Balance Current Transformer 191 DeviceNet Communication ph a
36. DeviceNet Param No 21 cont Modbus Register Read 0x03h Write 0x06h Parameter Name STATUS COS MASK 1 cont Min Max 11 AUX4 Status 12 AUXS Status 13 AUX6 Statusr 14 Running 15 Stopped Default Scale Factor Parameter List Units Chapter B Access Get Set 22 STATUS COS MASK 2 0 Reserved 1 Reserved 2 IN6 Status 3 Status 4 IN8 Status 5 IN4 Status 6 IN5 Status 7 Reserved 8 AUX Status 9 AUX8 Status 10 AUX9 Status 11 AUX10 Status Get Set 23 FAULT1 COS MASK 0 Overload 1 Undercurrent 2 Jam 3 Curr Imballance 4 Short Circuit 5 RTD Wind Bear 6 PTC 7 GF Residual 8 VAR 9 Underpower 10 Undervoltage 11 Overvoltage 12 Phase Reversal 13 Power Factor 14 Speed Switch 15 GF Core Bal Get Set 24 Rockwell Automation Publication 825 UM004D EN P April 2012 FAULT2 COS MASK 0 Start Time 1 Frequency 1 2 Frequency 2 3 Other 4 Ambient 6 O O 3 O O 3 lt 5 3 5 3 lt 5 5 5 GO C d co 3 3 Get 197 Chapter B Parameter List Group DeviceNet cont 198 DeviceNet Param No 24 cont Modbus Register Read 0x03h Write 0x06h Parameter Name FAULT2 COS MASK cont Min Max 5 PTC Error 6 RTD Error 7 MCM Error
37. Ib 2 5 7494 0 4523 PTR 0 2211 0 90 lag 2 5 7 146 67 20 Measured Measured Measured Vb 67 120 Vc 67 120 Delta Connected Voltages Perform the following steps to test delta connected voltages 1 Connect the current source to the MCM module as shown in Figure 50 on page 151 2 Connect the voltage source to the 825 P as shown in Figure 52 Make sure that Xfmr Connection Delta Figure 52 Delta Voltage Source Connections 1 2 825 L3 VA VB Voltage Test Source VN 3 Use the front panel SET SHOW or MPS Explorer software to record the Phase CT Ratio Phase VT Ratio and Phase Rotation setting values Apply the current and voltage quantities shown in Column 1 of Table 88 Values are given for Phase Rotation ABC and Phase Rotation ACB 5 Use the front panel METER or MPS Explorer software to verify the results Rockwell Automation Publication 825 UM004D EN P November 2012 Testing amp Troubleshooting Chapter 11 Table 88 Power Quantity Accuracy Delta Voltages Applied Currents and Real Power Reactive Power Power Factor Voltages kW kVAR pf PHROT ABC Expected Expected Expected la 2 5 2 26 P pf Ib 2 5 7 146 0 4677 0 2286 PTR 0 90 lag Ic 2 5 4494 Vab 120 7 30 Measured Measured Measured Vbc 120 4 90 PHROT
38. Press the Enter push button to continue your task Rockwell Automation Publication 825 UM004D EN P November 2012 Front Panel Operation Chapter 3 9 10 If the password is incorrect the relay displays the message Invalid Password Press the Enter push button to return to your previous task To Correct Entry Errors To correct password entries do the following 1 11 If the cursor in the upper line of the display is blinking press the Esc push button once Use the arrow push buttons to move the underline cursor to the position of the incorrect letter With the incorrect letter underlined press the DownArrow push button The blinking cursor reappears in the upper line of the display and the underline cursor appears in the lower line Add New Character To substitute a new character in the location of the blinking cursor use arrow push buttons to move the underline cursor to the location of the character that you want in the character table then press Enter Delete Character To delete the character at the blinking cursor use the arrow push buttons to move the underline cursor to Del and press the Enter push button Clear Password To clear the entire password and start over use the arrow push buttons to move the underline cursor to Clr and press the Enter push button Continue making corrections until the password appears in the upper line of the display With the correct Access Level 2 p
39. Rockwell Automation Publication 825 UM004D EN P April 2012 The 825 PDN DeviceNet Communication Card serves modules serves up the following instances of the parameter group object DeviceNet Information Chapter E Instance 4 Misc Instance 5 DeviceLogix Parameters Instance Motor Relay specific parameter groups The following instance attributes are supported for all parameter group instances Attribute ID Access Rule Name Data Type Value 1 Get Group Name String SHORT_STRING 2 Get Number of Members UINT 3 Get 1 Parameter UINT 4 Get 274 Parameter UINT n Get Parameter UINT The following common services are implemented for the Parameter Group Object Implemented for Service Code Service Name OxOE Get Attribute Single Discrete Output Group Object CLASS CODE 0x001E No class attributes are supported for the Discrete Output Group Object Supported instances of the Discrete Output Group Object are listed below Instance I contains the following attributes Attribute ID Access Rule Name Data Type Value 3 Get Number of USINT 10 Instances 4 Get Binding Array of UINT List of DOP instances 6 Get Set Command BOOL 0 idle and 1 run 104 Get Set Network Status BOOL 0 No Override go to safe state Override 1 Override run local logic 105 Get Set Comm Status BOOL 0 No Override go to safe state Override 1 Override run local logic Inst
40. Set the relay date and time Rockwell Automation Publication 825 UM004D EN P November 2012 159 Chapter 11 Testing amp Troubleshooting Troubleshooting DeviceNet Table 92 Network Status LED Off Definition The device has not completed the initialization is not on an active network or may not be powered up Table 91 DeviceNet Troubleshooting Procedures Possible Cause Check to ensure that the product is wired correctly and configured on the network Flashing Green Red Off Power up LED test No action required Solid Green The device is operating in a normal condition and is communicating to another device on the network No action required Flashing Green The device is operating in a normal condition is online but with no connection to another device This is the typical state for new devices The device could need to be mapped to a master scanner placed in a scanlist or have another device communicate to it Flashing Red Recoverable fault has occurred Ensure that the PLC and scanner are operating correctly and that there are no media or cabling issues Check to see if other networked devices are in a similar state Solid Red The device has detected a major error that has rendered it Troubleshooting should be done to ensure that the network is correct terminators incapable of communicating on the network Duplicate MACID lengths etc and there is not a dup
41. The inputs and outputs used to interface with the logic can come from the network or from the device hardware Hardware I O is the physical Inputs and Outputs located on the device such as push buttons and pilot lights that are connected to the 825 P Modular Protection System There are many reasons to use the DeviceLogix functionality but some of the most common are listed below Increased system reliability Improved diagnostics and reduced troubleshooting Operation independent of PLC or Network status e Continue to run process in the event of network interruptions e Critical operations can be safely shutdown through local logic DeviceLogix Programming Example The following example shows how to program a simple logic routine to interface the 825 P Modular Protection System with a remote hard wired tower light and a reset button In this case the I O is wired as shown in the table IMPORTANT Before programming logic it is important to decide on the conditions under which the logic run As defined earlier the conditions can be defined by setting parameter 8 Network Override and parameter 9 Comm Override to the value that you want Rockwell Automation Publication 825 UM004D EN P November 2012 125 Chapter9 825 PDN DeviceNet Communication Card Table 60 Hardware Bit Assignments and Description for the 825 P Modular Protection System 9 6 1 11 12 13 14 15 16 NOTE 17 Input
42. one Rockwell Automation Publication 825 UM004D EN P November 2012 155 Chapter11 Testing amp Troubleshooting Contact Output Verification Disconnect the MCM converter module cable from the connector on the rear panel of the 825 P Use the front panel MAIN gt TARGETS gt ROW 3 function to check that MCM CWEEFLT Bit 0 is equal to one Use MPS Explorer software to make TRIPC 0000000 1 which closes the Trip contact Set AUX2C 20000000 1 This will cause the AUX2 contact to close Repeat the process for AUX3 AUX6 if present Ensure that each contact closure produces the result that is needed in its associated annunciation control or trip circuit remove control power to close the AUXI Alarm contact Self Tests The 825 P runs a variety of self tests As shown in Table 89 when the relay detects certain self test failures the Critical Alarm Status is latched A latched Critical Alarm Status closes the Trip contact and displays the associated message on the front panel When the Critical Alarm Status column in Table 89 shows Not Latched the trip contact will not close because of the self test failure However the associated message if present is displayed on the front panel All relay self test failure messages are automatically sent to the serial port Table 89 Relay Self Tests Sheet 1 of 2 Protection Disabled on Critical Front Panel Message
43. output is held in its energized position when relay control power is applied and falls to its de energized position when control power is removed Contact positions with de energized output relays are indicated on the relay chassis and also in Figure 4 When Trip Output Fail safe is enabled and the Trip contact is appropriately connected to the motor breaker or contactor the motor is automatically tripped when relay control power fails This setting connection philosophy is appropriate ifthe protected motor is more valuable than the process that the motor supports In critical applications where the protected motor is not more valuable than the process you may want the motor to run even if the relay is out of service In this case disable Trip Output Fail safe by selecting N In addition you can select an auxiliary outputs to be Fail Safe or Non Fail safe depending on your application ATTENTION Pay close attention to the Trip Fail Safe setting to ensure proper labeling ofthe plug connector for terminals 95 96 and 98 Rockwell Automation Publication 825 UM004D EN P November 2012 Configuring Protection amp Logic Functions Chapter 6 Timer Function Table 39 Timer Settings Setting Prompt Setting Range Factory Default ON DELAY 1 0 2405 0 OFF DELAY T1 0 2405 0 ON DELAY T2 0 2405 0 OFF DELAY 2 0 2405 0 NOTE In addition to setting the On and Off Delays you must assign TIMER and or
44. 2 Enter change relay settings SET P 2 Enter change Serial Port F settings SET M 2 Enter change 1 0 mapping settings SET name 2 For all SET commands jump ahead to a specific setting by entering setting name e g 50P1P SET TERSE 2 For all SET commands TERSE disables the automatic SHO command after settings entry SHO 1 2 Show relay settings SHO A 1 2 Show all relay settings enabled and disabled hidden Rockwell Automation Publication 825 UM004D EN P November 2012 239 Chapter D 240 ASCII Port Relay Command Summary Serial Port Command Access Level Command Description SHOP 12 Show Serial Port F settings SHOM 1 2 Show 1 0 mapping settings STA 12 Display relay self test status STARorC 2 Clear self test status and restart relay STO 2 Stop motor STR 2 Start motor SUM 12 View event summary reports SUMRorC 1 2 Reset event summary buffer TAR 12 Display Relay Word Row 0 front panel target LEDs TAR nk 1 2 Display Relay Word Row n n 0 10 Repeat times TAR name k 1 2 Display Relay Word Row containing Relay Word name Repeat k times TARR 2 Reset front panel trip target LEDs TIM 1 2 View time TIM hh mm ss 1 2 Set time by entering TIM followed by hours minutes and seconds as shown 24 hour clock Rockwell Automation Publication 825 UM004D EN P April 2012 Appendix E DeviceNet Information Section Page El
45. 3 established 4 timed out 2 Get Instance Type USINT 1 1 0 Connection 3 Get Transport Class Trigger USINT 0x82 Server Transport Class 2 If alloc_choice polled and ack suppression is enabled then value 0x80 4 Get Produced Connection ID UINT 01111 XXXXXX node address 5 Get Consumed Connection ID UINT 10 101 XXXXXX node address 6 Get Initial Comm Characteristics USINT 0x21 7 Get Produced Connection Size UINT 0to8 8 Get Consumed Connection Size UINT 0to8 9 Get Set Expected Packet Rate UINT in milliseconds 12 Get Set Watchdog Action USINT 0 transition to timed out 1 auto delete 2 auto reset 13 Get Produced Connection Path Length UINT 8 14 Get Set Produced Connection Path 210400 25 assy inst 00 30 03 15 Get Consumed Connection Path Length UINT 8 16 Get Set Consumed Connection Path 210400 25 assy inst 00 30 03 Rockwell Automation Publication 825 UM004D EN P April 2012 DeviceNet Information Chapter E Instance 4 is the Predefined Group 2 Connection Set Change of State Cyclic IO Message Connection The following Instance 4 attributes are supported Attribute ID Access Rule Name Data Type Value 1 Get State USINT 0 nonexistant 1 configuring 3 established 4 timed out 2 Get Instance Type USINT 1 1 0 Connection 3 Get Transport Class Trigger USINT 0x00 Cyclic unacknowledged 0x03 Cyclic acknowledged 0x10 COS unacknowledged
46. 4 140 F Humidity Operating 5 95 Non condensing Maximum Altitude 2000 m Vibration per IEC 68 2 6 36 Shock per IEC 68 2 27 306 Inputs Number of input channels 12 Type 3 wire Compatibility CU10 NI100 NI120 PT100 per IEC 60751 1983 Range 50 250 2 C Open Circuit Detection gt 250 C Short Circuit Detection lt 50 C Control Terminals Terminal Screw M3 Cross Section 1 wire stranded solid 0 25 2 5mm 24 12 AWG Torque 0 4 0 6 Nm 3 5 5 3 Lb in 1P20 Degree of Protection Rockwell Automation Publication 825 UM004D EN P April 2012 189 ChapterA Specifications Electromagnetic Com p atibility __ Level Performance Criteria Electrostatic Discharge Immunity 8kV Air Discharge 00 6kV Contact Discharge RF Immunity 10V m Electrical Fast Transient Burst Immunity 4kV Power 00 2kV Control and Comms Surge Immunity 2kV L E 00 TkV L L Emissions Radiated Class A Conducted Class A O Performance Criteria 1 requires the DUT to experience no degradation or loss of performance O Environment 2 Metering Accuracy Phase Currents 2 Average Current 2 Average Motor Load 2 Current Imbalance 2 Ground Fault Current Residual 2 Ground Fault Current Core Balance 2 Frequency 0 1Hz Line to Line Voltages 2 Average
47. 5000 1 MOTOR FLA Z 0 5 5000A 0 5 TWO SPEED ENABLE YN N CT RATIO 2nd 1 5000 1 MOTOR FLA 2nd 0 5 5000A 0 5 CT RATIO 1 2000 100 Note the following e Motor FLA settings are in Primary Amperes The allowed setting range is dependent on the MCM module that is connected to the relay The MOTOR FLA and PHASE CT RATIO setting ranges will be a subset of the full ranges shown in Table 9 When Two Speed Enable Y and a Speed 2 control input is specified the relay uses CT Ratio 2nd and Motor FLA 2nd for the overload thermal model CTs with a1 or 5 rated secondary current can be used with the Converter Module MCM2 MCMS or MCM20 respectively If another MCM module is used the relay automatically sets CT Ratios 1 The CT ratio and full load current settings along with the connected MCM module configure the relay to accurately scale measured values and report the primary quantities Calculate the phase and neutral CT ratios by dividing the primary rating by the secondary rating The relay runs interdependency checks on the FLA and CT ratios based upon the ratings of the MCM module that is connected Ifa value is set that violates the interdependency rules then the user will be prompted to adjust settings to eliminate conflicts EXAMPLE Phase CT Ratio Setting Calculation Consider an application where Phase CT Rating 100 5A Set the CT Ratio 2100 5 20 Rockwell Automatio
48. 60 10 xle Get Set 118 40019 400019 LOCKD ROTOR TIME 10 6000 100 10 Get Set 119 40020 400020 ACCEL FACTOR 10 150 100 100 Get Set 120 40021 400021 RUN STATE TIME K 0 Auto 2000 0 1 Get Set E 40022 400022 MOTOR LRC 2nd 25 120 60 10 xle Get Set 122 40023 400023 MOTOR LRT 2nd 10 6000 100 10 Get Set 123 40024 400024 ACCEL FACT 2nd 10 150 100 100 Get Set 124 40025 400025 RUN ST TC 2nd 0 Auto 2000 0 1 min Get Set 125 40026 400026 OL WARN ENABLE 0 N 1 Get Set 1 Y 126 40027 400027 OL WARN LEVEL 50 99 85 1 TCU Get Set 127 40028 400028 START INH LEVEL 0 Off 99 0 1 96TCU Get Set 128 40029 400029 STOP COOL TIME 1 2200 18 1 129 40030 400030 OL RTD BIASING 0 N 0 Get Set 1 Y 202 Rockwell Automation Publication 825 UM004D EN P April 2012 Parameter List Chapter B Group DeviceNet nm Parameter Name Min Max Default ae Units Access Param Read 0x03h Write 0x06h Factor 130 40031 400031 SC TRIP ENABLE 0 Get Set 1 Y 131 40032 400032 SCTRIP LEVEL 400 1200 1000 100 xle Get Set Short Ckt 132 40033 400033 SCTRIP DELAY 0 500 0 100 E Get Set Set 133 40034 400034 SC WARN ENABLE 0 0 Get Set 1 Y 134 40035 400035 SC WARN LEVEL 400 1200 1000 100 xle Get Set 135 40036 400036 SCWARN DELAY 0 500 50 100 E Get Set 136 40037 400037 GF CB T
49. 825 UM004D EN P November 2012 Modbus Communications Chapter 10 61h Read Parameter Text Command Rockwell Automation Publication 825 UM004D EN P November 2012 The relay response to errors in the query are shown Table 77 Table 77 Responses to 60h Read Parameter Information Query Errors Error Error Code Returned Communication Counter Increments Illegal parameter to read Illegal Data Value 03h Illegal Register The 825 P uses this function to allow a Modbus master to read parameter text from the relay One parameter text setting name is read in each query Table 78 61h Read Parameter Text Command Bytes Field Requests from the master must have the following format 1 byte Slave Address 1 byte Function Code 61h 2 bytes Parameter Number 2 bytes CRC 16 A successful response from the slave will have the following format 1 byte Slave Address 1 byte Function Code 61h 2 bytes Parameter Number 16 bytes Parameter Text setting name 4 bytes Parameter Unites e g Amps 2 bytes CRC 16 The relay responses to errors in the query are shown below Table 79 61h Read Parameter Text Query Error Messages Error Error Code Returned Communication Counter Increments Illegal parameter to read Illegal Data Value 03h Illegal Register Illegal Write 141 Chapter10 Modbus RTU Communications 62h Read Enumeration Text Command 142 The 825 P uses this functi
50. ACB Expected Expected Expected la 2 5 2 26 P Q pf Ib 2 5 74 94 0 4677 0 2286 PTR 0 90 lag Ic 2 5 2 146 Vab 120 2 30 Measured Measured Measured Vbc 120 4 90 Periodic Tests Routine Maintenance Due to the 825 P being equipped with extensive self tests the most effective maintenance task is monitoring the front panel messages after a self test failure In addition review each relay event report generated by a fault Such reviews frequently reveal problems with equipment external to the relay such as instrument transformers and control wiring The 825 P does not require specific routine tests but your operation standards can require some degree of periodic relay verification If you need or wish to perform periodic relay verification the following checks are recommended Relay Status Verification Use the front panel STATUS or MPS Explorer software to verify that the relay self tests have not detected any WARN or FAIL conditions Meter Verification Verify that the relay is correctly measuring current and voltage if included by comparing the relay meter readings to separate external meters Control Input Verification Using the front panel MAIN gt TARGETS gt ROW 9 function check the control input status in the relay As the appropriate voltage is applied across input and input common its corresponding position in Row 9 changes from zero to
51. AUX1 to work 13 as an alarm warning indicator it must be mapped to the Warning function bit Al 53 63 1 1 1 1 1 1 1 1 1 1 1 1 1 A 1 1 1 1 1 1 1 825 P NAUX5 AUX6 54 64 AM Ad M 1 L H H3 2 M A2 9 9 K KI D H NOTE For AUX1 to work as an alarm warning indicator it must be mapped to the Warning function bit Two Speed Motor The two speed motor applications in the following figures require the following input setting INI 20000000100 SPEED2 Figure 20 AC Connections for a Two Speed Motor L1 L2 L3 13 5 E L 835P L N 5 24 V AC DC ALAS estne 12 YT 825 3 30 Rockwell Automation Publication 825 UM004D EN P November 2012 Field Serviceability Installation Chapter 2 Figure 21 AC Connections for a Two Speed Motor with Primary CTs Li L2 13 L3 L N 0 o 5 5 A T K1 K2 24 V ACN DC M 32 Yi2 825 el wa D M 127 La 825 MCM 825 P ATTENTION Disconnect or de energize all external connections before opening this A device Contact with hazardous voltages and cu
52. Address 2 bytes Number of Registers 2 bytes CRC 16 The relay responses to errors in the query are shown below Table 73 10h Preset Multiple Registers Query Error Messages Error Error Code Returned Communication Counter Increments Illegal register to set Illegal Data Address 02h Invalid Address Illegal Write Illegal number of registers to set Illegal Data Value 03h Illegal Write Incorrect number of bytes in Illegal Data Value 03h Bad Packet Format query data region Illegal Write Invalid register data value Illegal Data Value 03h Illegal Write 60h Read Parameter The 825 P uses this function to allow a Modbus master to read parameter Information Command Table 74 60h Read Parameter Information Command information from the relay One parameter setting is read in each query Bytes Field Requests from the master must have the following format 1 byte Slave Address 1 byte Function Code 60h 2 bytes Parameter Number 2 bytes CRC 16 A successful response from the slave will have the following format 1 byte Slave Address 1 byte Function Code 60h 2 bytes Parameter Number 1 byte Parameter Descriptor 1 byte Parameter Conversion 2 bytes Parameter Minimum Settable Value 2 bytes Parameter Maximum Settable Value 2 bytes Parameter Default Value 2 bytes CRC 16 The Parameter Descriptor field is defined in Table 75 Rockwell Automation Publication 825 UM004D EN P November 2012 139 C
53. CWE Error 8 Comm Idle 9 Comm Loss 10 Remote Trip 112 Comm Fault 12 Latch Trip 13 Reserved 14 Reserved 15 Reserved Rockwell Automation Publication 825 UM004D EN P April 2012 C d aS UC X cC CD WO o DO Co X X UD o D X GC 5 X Xo X Get Set Group 1 0 Mapping cont DeviceNet Param No 322 Modbus Register Read 0x03h 40223 Write 0x06h 400223 Parameter Name AUX5 ASSIGN REG3 Min Max 0 RTD_Amb Warn 1 SALARM 2 Warning 3 Load Ctl Upper 4 Load Ctl Lower 5 Timer 1 6 Timer 2 7 Short Ckt Warn 8 Stopped 9 Running 10 Starting 11 Star 12 Delta 13 Start 14 Network 15 Reserved Default Scale Factor Parameter List Units Chapter B Access Get Set 323 40224 400224 AUX5 ASSIGN REG4 0 Overload Warn 1 Undercurr Warn 2 Jam Warn 3 Curr Imbal Warn 4 RTD W B Warn 5 Pwr Factor Warn 6 GF CB Warn 7 GF Res Warn 8 VAR Warn 9 Underpower Warn 10 Undervolt Warn 11 Overvolt Warn 12 Spd Switch Warn 13 Freq Warn 14 Freq2 Warn 15 RTD OtherWarn Rockwell Automation Publication 825 UM004D EN P April 2012 O ca O O D amp C c O C C UC D O uc Cc c Get Set 221 ChapterB Parameter List DeviceNet Group Param No
54. Factory Default SPEED 300 38400 bps 9600 DATA BITS 7 8 bits 8 PARITY O EN N STOP BITS 1 2 bits 1 PORT TIMEOUT 0 30 min 15 HDWR HANDSHAKING YN N The 825 P front panel serial port supports EIA 232 communication of ASCII text data Table 97 shows relay serial port settings for the front panel port Set the Baud Rate Data Bits Parity and Stop Bits settings to match the serial port configuration of the equipment that is communicating with the serial port After Port Timeout minutes of inactivity on a serial port at Access Level 2 the port automatically returns to Access Level 1 This security feature helps prevent unauthorized access to the relay settings if the relay is accidentally left in Access Level 2 If you do not want the port to time out set Timeout equal to 0 minutes The relay EIA 232 serial ports support software XON XOFF flow control If you want to enable support for hardware RTS CTS flow control set the Enable Hardware Handshaking setting equal to Y Using Terminal Commands When you type commands at the terminal emulation window type either the entire command or just use the first three letters e g the following commands instruct the relay to display metering data Type METER or MET and press Enter Use upper or lower case characters when typing commands however password entry is case sensitive Table 99 lists user commands that the relay accepts at the EIA 232 serial port The relay serial
55. Firmware File Transfer Process gt gt L_D lt Enter gt Disable relay to send or receive firmware Y N Y lt Enter gt Are you sure Y N Y lt Enter gt Relay Disabled gt BAU 38400 lt Enter gt I gt REC Enter Caution This command erases the relay s firmware If you erase the firmware new firmware must be loaded into the relay before it can be put back into service Are you sure you wish to erase the existing firmware Y N Y Erasing Erase successful Press any key to begin transfer then start transfer at the PC Enter Upload completed successfully Attempting a restart 9 The relay illuminates the ENABLE front panel LED if the relay settings were retained through the download IFENABLE LED is illuminated proceed to Step 10 IFENABLE LED is not illuminated or the front panel displays STATUS FAIL EEPROM FAILURE reload the relay settings with the following steps a Set the communications software settings to 9600 baud 8 data bits and 1 stop bit b Enter Access Level 2 by issuing the 2AC command c Issue the R_S command to restore the factory default settings The relay then reboots with the factory default settings If the following message appears during the restart please contact your local Allen Bradley distributor Calibration settings lost please call the factory 184 Rockwell Automation Publication 825 UM004D EN P November 2012 10 11 12 13 Firmware Upgrad
56. Get Set 213 40114 400114 RTD8 WARN LEVEL 0 Off 250 0 1 C Get Set 214 40115 400115 RTD9 LOCATION 0 Off 0 Get Set 1 Wdg 2 Brg 3 Amb RTD 4 0th Settings cont 215 40116 400116 RTD9 TYPE 0 Pt100 0 Get Set 1 100 2 120 3 10 216 40117 400117 RTD9 TRIP LEVEL 0 Off 250 0 1 Get Set 217 40118 400118 RTD9 WARN LEVEL 0 Off 250 0 1 E Get Set 218 40119 400119 RTD10 LOCATION 0 Off 0 Get Set 1 Wdg 2 Brg 3 Amb 4 0th 219 40120 400120 RTD10 TYPE 0 Pt100 0 Get Set 1 100 2 120 3 10 220 40121 400121 RTD10 TRIP LEVEL 0 Off 250 0 1 Get Set 221 40122 400122 RTD10 WARN LEVEL 0 Off 250 0 1 C Get Set 222 40123 400123 RTD11 LOCATION 0 Off 0 Get Set 1 Wdg 2 Brg 3 Amb 4 0th 206 Rockwell Automation Publication 825 UM004D EN P April 2012 Parameter List Chapter B i Modbus Register Group DeviceNet Parameter Name Min Max Default Scale Units Access Param Read 0x03h Write 0x06h Factor 223 40124 400124 RTD11 TYPE 0 Pt100 0 Get Set 1 Ni100 2 Ni120 3 Cu10 224 40125 400125 RTD11 TRIP LEVEL 0 Off 250 0 1 C Get Set 225 40126 400126 RTD11 WARN LEVEL 0 Off 250 0 1 C Get Set 226 40127 400127 RTD12 LOCATION 0 Off 0 Get Set 1 Wdg 2 Brg 3 Amb 4 0th RTD 227 40128 400128 RTD12 TYPE 0 Pt100 0 Get Set Settings 1 N
57. GrpA Pr FitState Set To Defaults Net Inputs 1 Hdw Outputs Consumed 10 Assy GrpA Pr FitValue Net Inputs 2 Trip Status 1 Produced IO Assy GrpA DN FitState Net Outputs Trip Status 2 Prod Assy Word 0 GrpA DN FitValue Network Override Warn Status 1 Prod Assy Word 1 GrpA DN IdlState Comm Override Warn Status 2 Prod Assy Word 1 GrpA DN IdlValue Net Out COS Mask DNet Status Prod Assy Word 3 GrpB Pr FltState Prod Assy Word 4 GrpB Pr FitValue Prod Assy Word 5 GrpB DN FitState Prod Assy Word 6 GrpB DN FitValue Prod Assy Word 7 GrpB DN IdiState Consumed 10 Size GrpB DN IdlValue Produced 10 Size GrpC Pr FltState Status COS Mask 1 GrpC Pr FltValue Status COS Mask 2 GrpC DN FitState Trip COS Mask 1 GrpC DN FitValue Trip COS Mask 2 GrpC DN IdlState Warning COS Mask 1 GrpC DN IdlValue Warning COS Mask 2 DNet Voltage Rockwell Automation Publication 825 UM004D EN P November 2012 129 Chapter9 825 PDN DeviceNet Communication Card 130 Rockwell Automation Publication 825 UM004D EN P November 2012 Overview Installation Chapter 10 Modbus RTU Communications This chapter describes the communications features supported by the 825 P Modbus RTU option card Complete specifications for the Modbus protocol are available from the Modicon web site at www modicon com Enable Modbus protocol using the serial port settings When Modbus protocol is enabled the relay switches the port to Modbus protocol and deactivates the ASCII prot
58. Line to Line Voltage 2 Line to Neutral Voltages 2 Average Line to Neutral Voltages 2 Voltage Imbalance 2 Real 3 Phase Power kW 5 Reactive 3 Phase Power kVAR 5 Apparent 3 Phase Power kVA 2 Power Factor 2 RTD Temperatures 2 C Standards CSA 22 2 No 14 EN60947 5 1 UL 508 Processing AC Current and Voltage Inputs 16 samples per power system cycle Digital Filtering One cycle full cosine after low pass analog filtering Net filtering analog plus digital rejects DC and all harmonics greater than the fundamental Protection and Control 4 times per power system cycle 190 Rockwell Automation Publication 825 UM004D EN P April 2012 Specifications Chapter A Primary Current Transformers Minimum Nominal Operating Voltage Nominal Operating Voltage of Motor Minimum Rated Primary Current hp Nominal Operating Current of Motor Rated Secondary Current A 825 MCM2 825 MCM5 825 MCM20 1 25 5 825 CBCT Core Balance Current Transformer Class and Nominal Overcurrent Protection 5P10 ext 120 Power Rating According to power consumption in leads and measuring circuit Rated Frequency 50 60 Hz Burden 825 MCM2 825 MCM5 825 MCM20 Power Consumption at Maximum Rated Current 0 1 0 2 0 4 VA phase Continuous Thermal Current A 3 6 24 Thermal Current 1 s Duration A 250 400 600 No Load O Designation according to IEC 60044 part 2 An open circuit seconda
59. Phase Current Overload 103 Produced 825 Current Overload 104 Produced 825 Misc Information Overload 150 Consumed Standard Overload 151 Consumed Standard Overload with Network Inputs 180 Produced Auxiliary Inputs 181 Consumed Auxiliary Outputs 182 Consumed Consumed Network Bits 1 also known as Network Inputs 183 Consumed Consumed Network Bits 2 also known as Network Inputs 184 Produced Produced Network Bits also known as Network Outputs 185 Produced Trip Status 1 186 Produced Trip Status 2 Rockwell Automation Publication 825 UM004D EN P April 2012 245 Chapter E DeviceNet Information Instance Type Description 187 Produced Warn Status 1 188 Produced Warn Status 2 189 Produced Module Status Bits Custom Parameter Based Input Produced Assembly Instance 100 Instance 100 Word Byte Bit7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 0 Value of the parameter pointed to by Produced Word 0 Param low byte 1 Value of the parameter pointed to by Produced Word 0 Param high byte 1 2 Value of the parameter pointed to by Produced Word 1 Param low byte 3 Value of the parameter pointed to by Produced Word 1 Param high byte 2 4 Value of the parameter pointed to by Produced Word 2 Param low byte 5 Value of the parameter pointed to by Produced Word 2 Param high byte 3 6 Value of the parameter pointed to by Produced Word 3 Param l
60. Point Object CLASS CODE 0x0009 Attribute ID The following class attributes are supported for the Discrete Output Point Object Get Revision UINT 1 2 Get Max Instance UINT 2 6 or 10 Six Instances of the Discrete Output Point Object are supported All instances contains the following attributes Attribute ID Access Rule Name Data Type Value 3 Get Value BOOL 0 OFF 1 ON 115 Get Set Force Enable BOOL 0 Disable 1 Enable 116 Get Set Force Value BOOL 0 OFF 1 ON 117 Get Set Input Binding STRUCT Size of appendix encoded path LE Appendix I encoded path NULL path means attribute 3 drives the output Otherwise this is a path to a bit in the Bit Table The following services are implemented for the Discrete Output Point Object Rockwell Automation Publication 825 UM004D EN P April 2012 255 ChapterE DeviceNet Information Implemented for Service Code Service Name OxOE Yes Yes Get Attribute Single 0x10 No Yes Set Attribute Single Discrete Output Point There are many sources that can control an auxiliary relay output when assigned for Network use an I O message and explicit message DeviceLogix programs Obj ect Special network fault and idle tendere and 22 2 5 Requirements point must know how to select which source of data to use to drive its value attribute Refer to the I O Assignments section of Chapter 5 in the 825 P Modular Protection S
61. Self Test Description Limits Failure Alarm Status on Failure External RAM Performs a read write test on system RAM Yes Latched External RAM FAILED Internal RAM Performs a read write test on CPU RAM Yes Latched Coldfire RAM FAILED CR_RAM Performs a checksum test on the active copy of settings Checksum Yes Latched CR_RAM FAILED Code Flash Checksum is computed on code base Checksum Yes Latched PROGRAM MEMORY FAILED Mainboard EEPROM Checksum is computed on critical data Checksum Yes Latched EEPROM FAILED Data Flash Checksum is computed on critical data Checksum Yes Latched FLASH FAILED Front Panel Check if ID register matches expected No Not Latched Voltage Board Check if ID register matches part number Yes Latched VT CALIBRATION FAILED Current Board Check if ID register matches part number Yes Latched CT CALIBRATION FAILED 1 0 Board Check if ID register matches part number Yes Latched 1 0 BOARD FAILURE DeviceNet Board DeviceNet card does not respond in 500 ms Yes Latched DEVICENET BOARD FAILURE CPU Exception Vector CPU error Yes Latched Vector nn Loss of MCU Crystal Clock stopped Yes Latched CLOCK STOPPED Current Board A D Offset Measure DC offset at each input channel 50 mV No Not Latched Voltage Board A D Offset Measure DC offset at each input channel 50 mV No Not Latched 3 3V Warn Measure 3 3V power supply 343V No Not Latched 23 13V 3 3V Fail Measure 3 3V power supply lt 3 07V Yes Latched 3 3V FAIL gt 3 53V 5V Warn Measure 5V pow
62. Status to view the Status display The display will show the following message Confirm Hardware Config Enter Press the Enter key to confirm that you want this hardware change Confirm Config Yes No Rockwell Automation Publication 825 UM004D EN P November 2012 45 Chapter4 Hardware Commissioning Select Yes to confirm the new hardware configuration and the display will show Config Accepted Enter to Reboot e Press Enter to reboot the relay Ifexisting configuration parameters are not proper for the specific hardware configuration then the following message will be displayed Setting Mismatch Adjust Settings e To correct the configuration parameters reset the relay to the default parameters for the specific hardware configuration by navigating to Main Reboot Restore and select Restore Defaults in which the following display will appear Restore Default No Yes Select Yes and the relay will reboot With the updated configuration parameters the display will show the following error message STATUS FAIL MCM CWE Error Navigate to Main gt Status to view the Status display The display will show the following message Confirm Hardware Config Enter 46 Rockwell Automation Publication 825 UM004D EN P November 2012 Adding an Optional 1 0 Card Hardware Commissioning Chapter 4 Press the Enter key to confirm that you wa
63. TIMER2 to a control input see Table 44 You must also assign TIMER1T and or TIMER2T to auxiliary output relays See Table 43 for detail When you assign an input contact and an output auxiliary relay to appropriate parameters of Timer Function the output responds to the change in input contact with the characteristics shown in Figure 33 This feature has the following application examples Time graded switching on and off Delaying the transfer of alarm and trip messages Figure 33 Operating Characteristics of Timer Functions Control Input Ton Output TIMER Relay Word T off TIMER nT T on On delay T off Off delay n 10r2 Control Input On Delay Toff 0 Ton Tot Onofpeay Prof On Off Delay pu ron Front Panel Settings Table 40 Front Panel Settings Setting Prompt Setting Range Factory Default LCD TIMEOUT Off 1 30 min 15 LCD CONTRAST 1 8 5 Rockwell Automation Publication 825 UM004D EN P November 2012 93 Chapter 6 94 Configuring Protection amp Logic Functions The LCD TIMEOUT indicates the duration of inactivity before the LCD backlight will extinguish the Access Level will be automatically reset and the present function will be automatically terminated Use the front panel LCD Timeout setting as a security measure If the display is within an Access Leve
64. X Frequency 2 Warning X RTD Other Warning Auxit G X RTD Ambient Warning X Setting Warning X General Warning X Load Control Upper X Load Control Lower X Timer 1 X Timer 2 X Short Circuit Warning Rockwell Automation Publication 825 UM004D EN P November 2012 97 Chapter 6 98 Configuring Protection amp Logic Functions Table 43 Aux Assignments Setting Prompt 0 1 2 3 4 5 6 7 Description Aux X Stopped State X Running State X Starting State X Star Wye Starting State X Delta Starting State X Start Command X Network Control X Reserved NOTE The 825 P uses settings AUX A through AUX and setting AUX FAIL SAFE in the output logic see Table 38 for more details to determine the operation of the corresponding auxiliary NOTE The AUX A through AUX D bytes are used to map trip functions to the output The AUX E through AUX H bytes are used to map warning and status functions to the output The 825 P allows mapping of protection trip and warning and general purpose control elements to the auxiliary outputs Table 43 shows the method of mapping the elements using Relay Word bits associated with the elements except the NETWORK which is described below Select 1 for each element you want to map using the AUX A through AUX H settings The relay will OR
65. a valid connection one of the pin tips would have turned red rather than green Double clicking on the unused portion of the grid or pressing Esc at any time cancels the connection process From the toolbar select Module Status Point 126 Rockwell Automation Publication 825 UM004D EN P November 2012 825 PDN DeviceNet Communication Card Chapter 9 18 From the pull down menu select Fault 19 Place the input to the left of the AND function 20 Connect the input to the Input 2 of the AND latch 21 From the toolbar select Network Output Point 22 From the pull down menu select Flt Reset 23 Select OK 24 Moving your cursor into the grid place the Output to the right of the AND function block 25 Connect the Output of the AND function block to Flt Reset Figure 45 DeviceLogix Logic Editor Screen Logic Editor efx File Edit View Communications Tools Help al ES Le ajal ES Un amp amp o c sup vos wor NAN xt rst SAL uen puc ono ocn Pine B D E Ex Fit Reset v 514 b For Help press F1 Available Function Blocks 79 Not Saved 1011 389 100 26 From the toolbar select Discrete Output Point 27 From the pull down menu select Aux Out 5 This is the tower light output listed in the I O table example Rockwell Automation Publication 825 UM004D EN P November 2012 127 Chapter 9 128 825 P
66. by applying the following standards in whole EN 60947 4 1 Low Voltage Switchgear and Controlgear Part 4 Contactors and Motor Starters Section 1 Electromechanical Contactors and Motor Starters 60947 5 1 Low Voltage Switchgear and Controlgear Part 5 Control Circuit Devices and Switching Elements Section 1 Electromechanical Control Circuit Devices This product is intended for use in an industrial environment Low Voltage Directive This product is tested to meet Council Directive 73 23 EEC Low Voltage as amended by 93 68 EEC by applying the safety requirements of EN 60947 4 1 and EN 60947 5 1 For specific information required by EN 60947 4 1 and EN 60947 5 1 see the appropriate sections in this publication Notice This product has been designed for environment A Use of this product in environment B can cause unwanted elctromagnetic disturbances in which case the user could be required to take adequate mitigation measures Rockwell Automation Publication 825 UM004D EN P November 2012 Rockwell Automation Publication 825 UM004D EN P November Preface Introduction Installation Front Panel Operation Table of Contents Important User 2 European Communities EC Directive Compliance 2 EMC DIC 00S do 3 Low Voltage Directives casino at b det Rad PEU V 3 PERIIT 11 CONVENIO DTP 12 Chapter 1 Y C 13 PES vrak
67. device can cause electrical shock that can lead to injury or death Equipment components are sensitive to electrostatic discharge ESD Undetectable permanent damage can result if you do not use proper ESD procedures Ground yourself your work surface and this equipment before removing any cover from this equipment If your facility is not equipped to work with these components contact Rockwell Automation about returning this device and related Rockwell Automation equipment for service The 825 P firmware can be upgraded in the field refer to Chapter 13for firmware upgrade instructions By monitoring the front panel messages the user will be aware of a self test failure occurrence By using the metering functions the user will be aware if the analog front end not monitored by relay self test is functional The only two components that can be replaced in the field are 1 the power supply fuse and 2 the real time clock RTC battery Power Supply Fuse Replacement To replace the power supply fuse perform the following steps 1 De energize the relay 2 Remove the eight rear panel screws ground screw and relay rear panel 3 Remove the Slot A printed circuit board 4 Locate the fuse on the board then remove the fuse from the fuse holder Rockwell Automation Publication 825 UM004D EN P November 2012 Testing amp Troubleshooting Chapter 11 Replace the fuse with a BUSS 2A 250V ABC ceramic or equivalent I
68. e Input states e Auxiliary relay states Trip conditions The parameters can be mapped to a specific bit gauge or graph assignment The Data Acquisition Settings dialog window has tabs along the top that can be selected and configured To assign a parameter a specific location and display form select a parameter from the Data Available column left column as well as a unassigned location from the Assignment column right column When Rockwell Automation Publication 825 UM004D EN P November 2012 59 Chapter 5 60 Using MPS Explorer both are highlighted use the arrow located in the middle to move the parameter to its assignment Data Acquisition Settings Average Line VoRage V Average Phase Voltage V Current Angle Line 1 deg Ground Fault Current gt Core Balance Ground Fault Current Core Balance LL Mind iat 50 0 50 Cm JJ 100 100 a RTD 8 150 150 150 150 150 150 Mory 1 128 7 RTD Minding Bearing dege ees eel degrees ba Current ange tine 1 Angle Line 2 4 Relay 1 State passin Relay 2 State p 1 12 1 eee Relay 3 Stato Volts degC Volts Relay 4 Sm aa ey 1 Current Angle Line 2 400 Rockwell Automation Publication 825 UM004D EN P November 2012 Using MPS Explorer Chapter 5 The Data Acquisition Settings also allows the user to map specific hardware data to indicators tha
69. experiences a low self discharge rate Thus battery life can extend well beyond ten years The battery cannot be recharged Rockwell Automation Publication 825 UM004D EN P November 2012 31 Chapter2 Installation Fuse Replacement To replace the Power Supply fuse do the following 1 on A Qu De energize the relay Remove the eight rear panel screws the ground screw and the relay rear panel Remove the Slot A printed circuit board Locate the fuse on the board Remove the fuse from the fuse holder Replace the fuse with a BUSS 2A 250V ABC ceramic or equivalent Insert the printed circuit board into Slot A Reinstall the relay rear panel and ground screw and then energize the relay Real Time Clock Battery Replacement To replace the real time clock battery do the following N 9 00 A Qu De energize the relay Remove the eight rear panel screws the ground screw and the relay rear panel Remove the Slot B printed circuit board Locate the battery clip holder on the board Remove the battery from beneath the clip Properly dispose of the old battery Install the new battery with the positive side facing up Insert the printed circuit board into Slot B Reinstall the relay rear panel and ground screw and then energize the relay Set the relay date and time 32 Rockwell Automation Publication 825 UM004D EN P November 2012 Chapter
70. in service open its motor control circuits 2 Connect the PC to the front panel serial port and enter Access Level 2 3 Save the current relay settings a Issue the following commands at the ASCII prompt SHO SHO P and SHO M b Issue the command to the relay c Type Y and press the Enter key at the following prompt Disable relay to send or receive firmware Y N d Type Y and press the Enter key at the following prompt Are you sure Y N The relay sends the BOOTLDR gt prompt Type BAU 38400 and press the Enter key Rockwell Automation Publication 825 UM004D EN P November 2012 183 Chapter 13 Firmware Upgrade Instructions This changes the baud rate of the communications port to 38400 Change the baud rate of the PC to 38400 to match the relay 5 Begin the transfer of new firmware to the relay by issuing the REC command 6 Type Y to erase the existing firmware or press the Enter key to abort 7 Press any key e g the Enter key when the relay sends a prompt 8 Start the file transfer a Select the send file option in your communications software Use the XMODEM protocol and send the file that contains the new firmware e g R101xxxx S19 The file transfer takes less than 10 minutes at 38400 baud After the transfer is complete the relay reboots and returns to Access Level 1 Figure 62 shows the screen display for the process outlined previously in Upgrade Instructions Figure 62
71. of terminal emulation programs on your PC to communicate with the 825 P Examples of PC based terminal emulation programs include ProComm Plus Relay Gold Microsoft Windows HyperTerminal SmartCOM CROSSTALK Tera Term Connect Your PC to the Relay Connect the PC serial port to the 825 P serial port using a standard null modem communication cable with the pinout shown in Figure 53 For best performance the cable should not be more than 15 meters 50 feet long Figure 53 Serial Cable Pinout 825 P Relay ODTE Device 9 Pin Male 9 Pin Female D Subconnector D Subconnector Pin Function Pin Pin Pin Function RXD 2 3 TXD TXD 3 2 RXD GND 5 5 GND CTS 8 8 CTS Ef RTS 1 DCD 4 DTR 6 DSR DTE Data Terminal Equipment e g computer terminal Figure 54 shows the front panel EIA 232 serial port PORT F DB 9 connector pinout for the 825 P Table 95 shows the pin functions and definitions for the serial port Figure 54 DB 9 Connector Pinout for EIA 232 Serial Ports 54 32 1 000006 O 0000 98 7 6 162 Rockwell Automation Publication 825 UM004D EN P November 2012 ASCII Serial Communications Chapter 12 Serial Port Settings Table 95 Pin Functions and Definitions for EIA 232 Serial Port Port F Pin Pin Function Definition 1 4 6 N C No connection 2 RXD RX Receive data 3 TXD TX Transmit data 5 9 GND Signal ground 7 RTS Requ
72. setting category Type END and then press Enter Exits editing session then prompts you to save settings Press Ctrl X Aborts editing session without saving changes The relay checks each entry to ensure that it is within the setting range If it is not an Out of Range message is generated and the relay prompts you for the setting again When all the settings are entered the relay displays the new settings and prompts you for approval to enable them Type Y and then press Enter to enable the new settings The relay is disabled for as long as five seconds while it saves the new settings The SALARM Relay Word bit is set momentarily and the ENABLE LED extinguishes while the relay is disabled To change a specific setting enter the command shown in Table 103 Table 103 SET Command Format SET TERSE Where n is left blank to enter relay settings n is P to enter front serial port settings Rockwell Automation Publication 825 UM004D EN P November 2012 ASCII Serial Communications Chapter 12 Table 103 SET Command Format SET ns TERSE is M to enter 1 0 mapping settings is the short parameter name of the specific setting you want to jump to and begin setting If s is not entered the relay starts at the first setting e g enter 50PIP to start at Short Circuit Trip level setting TERSE instructs the relay to skip the settings display after the last setting Use this parameter t
73. setting name to each of the commands to specify the first setting to display e g SHO 50 1 displays the relay settings starting with setting 50P1P The default is the first setting The SHOW command displays only the enabled settings To display all the settings including disabled hidden settings append an A to the SHOW command e g SHOW A Rockwell Automation Publication 825 UM004D EN P November 2012 179 Chapter 12 ASCII Serial Communications 180 Enter Settings The SET command available from Access Level 2 allows you to view or change the settings Table 109 lists the SET command options Table 109 SET Command Options Command Settings Type Description SET Relay Protection elements timers etc SET P Port Settings for front panel Serial Port F SET M Relay Input output mapping settings When you issue the SET command the relay presents a list of settings one at a time Enter a new setting or press lt Enter gt to accept the existing setting Editing keystrokes are listed in Table 110 Table 110 SET Command Editing Keystrokes Keystroke Results Press Enter Retains setting and moves to next setting Type and press Enter Returns to previous setting Type lt and press Enter Returns to previous setting category Type gt and press Enter Moves to next setting category Type END and press Enter Exits editing session then prompts you to save settings Press Ctr
74. the device it is intended for In this example the path is Scanner 2 4 where scanner is the name of the 1756 DNB in the rack 2 represents the DeviceNet port and 4 represents the physical node address of the 825 P Modular Protection System Rockwell Automation Publication 825 UM004D EN P November 2012 123 Chapter9 825 DeviceNet Communication Card Figure 44 Scanner Path Message Configuration explidit mess E xj Configuration Communication Tag Path canner 24 Browse Scanner 2 4 Cammunicetian Method GAP CDH 19 El e Mit Source Link Destination Node Oral Connected Carte Connections P Enable 3 Enable Waiting I Star Done Done Length 0 I Error Cade Extended Error Cade Timed Out Error Path Error Text Cancel Apply DeviceLogix DeviceLogix is a stand alone Boolean program which resides within the 825 PDN DeviceNet Communication Card The program is embedded in the product software so there is no additional module required to use this technology however RSNetWorx for DeviceNet is required to program the device In addition to the actual programming DeviceLogix can be configured to operate under specific situations It is important to note that the DeviceLogix program only runs if the logic has been enabled This can be done within the Logic Editor of RSNetWorx The operation configuration is accomplis
75. to obtain value LONG100 LONG with scale factor of 100 0x80000000 divide by 100 to obtain value LONG1000 LONG with scale factor of 1000 0x80000000 divide by 1000 to obtain value BITMAP A bitmapped value ENUM An enumerated value STRING A null terminated ASCII string Rockwell Automation Publication 825 UM004D EN P November 2012 Overview Testing Chapter 1 1 Testing amp Troubleshooting Relay testing is typically divided into two categories Relay tests are performed e when the relay is installed or commissioned and periodically once the relay is in service This chapter provides information on both types of testing for the 825 P relay Because the 825 P is equipped with extensive self tests traditional periodic test procedures can be eliminated or reduced Ifa problem occurs during either commissioning or periodic tests this chapter g g provides a guide to isolating and correcting the problem Commissioning Tests Introduction Each 825 P is fully calibrated and functionally tested prior to shipment This helps to ensure that you receive a relay that operates correctly and accurately Commissioning tests must verify that the relay is properly connected to the motor and all auxiliary equipment Verify control signal inputs and outputs Use an AC connection check to verify that the relay current and voltage inputs are of the proper magnitude and phase rotation Brief functional tests ensure that the r
76. typically found on the PC keyboard The space character is not included Strong passwords consist of eight characters with at least one special character or digit and mixed case sensitivity but do not form a name date acronym or word Passwords formed in this manner are less susceptible to password guessing and automated attacks Rockwell Automation Publication 825 UM004D EN P November 2012 ASCII Serial Communications Chapter 12 To disable password protection for Access Level 1 or Access Level 2 set its password to DISABLE QUIT Level 1 or 2 The QUI command returns the relay to Access Level 0 from either Access Level 1 or Access Level 2 SER Level 1 or 2 Use the SER command to view the Serialized Events Recording SER report described in detail in Chapter 8 Analyzing Events Each event record is stored with a record number a date and a time You can access SER data by record number or by date The most recent record is always record number 1 The various SER command options are shown in Table 100 Table 100 SER Command Options Serial Port Command Description SER Display all SER records SER n Display the n most recent SER records starting with record n SER n1 n2 Display SER records n2 to n1 starting with n2 SER d1 Display all SER records made on date 47 SER d1 d2 Display all SER records made from dates d2 to d1 inclusive starting with d2 The date entries used with the S
77. 0 ENABLE 7 front panel ENABLE LED TRIP 6 front panel TRIP LED see Chapter 3 Front Panel Operation d 5 Reserved for future use T 4 Reserved for future use 3 Reserved for future use hi 2 Reserved for future use id 1 Reserved for future use 0 Reserved for future use Rockwell Automation Publication 825 UM004D EN P November 2012 235 Chapter C Relay Word Bits Table 112 Relay Word Bit Definitions for the 825 P Sheet 2 of 4 Row Bit Definition 1 49T 7 Thermal Overload Trip Assert when the relay issues a thermal element trip because of locked rotor starting or running overload conditions LOSSTRIP 6 Load Loss Trip Assert when the relay detects a load loss as defined by that function and its settings JAMTRIP 5 Load Jam Trip 46UBT 4 Phase Current Unbalance Trip Assert when the relay issues a trip in response to a current unbalance condition as defined by that function and its settings 50P1T 3 Definite Time Phase Overcurrent Short Circuit Trip Level RTDT 2 Winding and Bearing RTD Overtemperature Trip PTCTRIP 1 Asserts when measured PTC loop resistance is greater than trip value 50G1T 0 Definite Time Residual Overcurrent Trip Level 2 7 Reactive Power Trip Assert when the relay issues a reactive power element trip 6 Underpower Trip Assert when the relay issues an underpower element trip Phase Undervoltage Trip Definite time delayed Phase Overvoltage Trip Definite time delayed 477 Phase Reversal Tri
78. 004D EN P November 2012 5 Table of Contents Hardware Commissioning Using MPS Explorer Chapter 4 Connecting a Converter Module MOM eer er tious vend Adding an Optional I O mmn Adding the Optional Voltage C ad Adding the Optional Communication Removing Option eu du Ea de rca Chapter 5 Software OYE EE EE Comm nications Settings cass scs irc d E ER RP Connection Access Level iui iiio bep rrr ey reri e Rv Data Management Save Open Configuration opi dr AERIS RU ERA ebd dri rd Burton uda ode neu oae dou sea NE ANA Test Analog Output eva ex eov MOT Motor Operating Statistics SER Serialized Events STA Relay SUM Events Summary MET Instantaneous Metering RTD RID Thermal d ir PRESS TAR Display Target Words asirios ii IPEER Se ES rara qa dae PEREAT PERSE gues Validate Sets PER RE UU EE er coco qM Tm Resettine ESCOLAR A Ai Troubleshooting catan Chapter 6 Configuring Protection amp Logic Functions Appl
79. 01 to the Save Settings register of the Control I O region This is the only method that saves the changes Rockwell Automation Publication 825 UM004D EN P November 2012 Modbus Serialized Events Recording Register Operation Modbus Load Profile Register Operation Modbus Communications Chapter 10 To discard settings either write a 0x0001 to the Discard Settings register of the Control I O region write a 0x0001 to the Drop Access Level register of the Control I O region or wait fifteen minutes since last write for access level timeout To obtain Serialized Events Recording SER records using the Modbus register map perform the following steps 1 Write the date and time for the first desired record to the Start Record Time Date registers of the SER region of the map 2 Read the Number of Records Available register to determine how many SER records are available on or after the selected date and time Ten records are available for reading from the SER region of the map 3 Write to the Selected Starting Record register to select additional records from the number available For example if the Number of Records available is 25 write 11 to the Selected Starting Record to read records 11 20 To read load profile data from the 825 P using the Modbus map perform the following steps 1 Read the Load Profile 1 Name to Load Profile 12 Name registers from the Product Information region of the map These names are ret
80. 04D EN P November 2012 Configuring Protection amp Logic Functions Chapter 6 1 0 Assignments Trip Relay 1 0 Table 42 Trip Relay Assignments e Setting Prompt 112 3 4 5 6 7 Description TRIP A X Overload X Undercurrent X Jam X Current Imbalance X Short Circuit X RTD Winding Bearing X PTC X Ground Fault Residual TRIP B X VAR X Underpower X Undervoltage X Overvoltage X Phase Reversal X Power Factor X Speed Switch X Ground Fault Core Balance TRIP C X Start Time X Frequency 1 X Frequency 2 X RTD Other X RTD Ambient X PTC Error X RTD Error X MCM Error TRIPD X Comm Idle X Comm Loss X Remote Trip X Comm Fault X Reserved X Reserved X Reserved X Reserved NOTE The 825 P uses settings TRIPA through TRIPD and setting TRIP FAIL SAFE see Table 38 to determine the operation of the Trip Output Rockwell Automation Publication 825 UM004D EN P November 2012 95 Configuring Protection amp Logic Functions The 825 P allows mapping of protection trip elements to the trip output Table 42 shows the method of mapping elements using Relay Word bits associated with elements Select 1 for each element you want to map using the TRIPA through TRIPD settings The relay will OR them together to drive the Trip output A logical
81. 2 149 Chapter 11 150 Testing amp Troubleshooting Figure 49 Three Phase Open Delta AC Connections VCB gt VAB PHROT ABC When setting set angle l 0 Phase Rotation ABC set angle lh 120 set angle I 120 set angle Vap 30 set angle Veh 90 VCB PHROT ACB When setting setanglela 0 Phase Rotation ACB set angle lp 120 set angle l 120 set angle 30 set angle Veb 90 18 Verify the control input connections are properly seated Check the 19 control input status in the relay using the front panel MAIN gt TARGETS gt ROW 9 function As the appropriate voltage is applied across input common and input its corresponding position in Row 9 changes from zero to one Verify the output contact operation by performing the following steps a Disconnect the MCM converter module cable from the connector on the rear panel of the 825 P The 825 P trip relay and AUX alarm relay will be energized once the front panel displays the following output STATUS FAIL MCM CWE Failure b Sec AUX2C to equal 0000000 1 This will cause the AUX2 contact to close c Repeat this process for AUX3 AUX6 if present Ensure that each contact closure produces the result required in its associated annunciation control or trip circuit d Reconnect the MCM converter module cable to the 825 P e Select STATUS from the front panel display menu and
82. 3 Front Panel Layout Normal Front Panel Display Front Panel Operation The 825 P Relay front panel interface consists of two LEDs an LCD display a seven button keypad and an EIA 232 serial port connector The front panel layout is shown in Figure 22 Figure 22 Relay Front Panel LCD Display Displays real time and historic information as well as relay setting menus EIA 232 Serial Port Allows quick access to all relay data control and setting functions using aPC serial cable and software Enable LED Illuminates when relay is operational TEST RESET Trip LED Flashes to indicate alarm conditions and illuminates solid to inidcate trip Test Reset When pushed will trip test the relay OR resets the trip Escape Arrows Enter Reactivates the LCD Display Navigates through Allows movement from back lighting and backs out of the menus or data lists the default display to current menu or display shown in the LCD Display the main menu In normal operation the relay ENABLE LED is illuminated and the LCD display screen is on The LCD screen rotates displays showing each screen for about two seconds before moving to the next The default rotating display screens include Unit ID Line 1 Unit ID Line 2 line currents and voltages if available Enable the relay to add display messages as noted in the Display Enable settings in Table 41 Figure 23 Default Display Screen 825 P Modular Prot System Use
83. 3 3 3 lt 3 c GC Get 195 ChapterB Parameter List Group DeviceNet Parameter Name Min Max Default Units Access Param Read 0x03h Write 0x06h Factor 7 MODULE STATUS 0 Explicit Conn 0 Get Set 1 1 0 Conn 0 2 Explicit Fault 0 3 1 0 Fault 0 4 1 0 Idle 0 5 Reserved 0 n 6 Reserved 0 7 Reserved 0 8 Fault 0 9 Warning 0 10 Starting 0 11 Running 0 12 Stopped 0 8 AUTOBAUD ENABLE 0 Disabled 0 Get Set Enabled 9 CONSUMED IO ASSY 0 188 150 Get Set 10 PRODUCED IO ASSY 0 189 103 Get Set 11 PROD ASSY WORD 0 0 447 1 Get Set 12 PROD ASSY WORD 1 0 447 3 Get Set 13 PROD ASSY WORD 2 0 447 4 Get Set 14 PROD ASSY WORD 3 0 447 5 Get Set 15 PROD ASSY WORD 4 0 447 6 Get Set 16 PROD ASSY WORD 5 0 447 7 Get Set 7 PROD ASSY WORD 6 0 447 0 Get Set 18 PROD ASSY WORD 7 0 447 0 Get Set DeviceNet 19 CONSUMED IO SIZE 0 6 2 Get 20 PRODUCED IO SIZE 0 16 5 Get 21 STATUS COS MASK 1 0 Fault 0 Get Set 1 Warning 0 2 Status 0 3 2 Status 0 4 IN3 Status 0 5 IN4 Status 0 6 IN5 Status 0 7 Starting 0 8 AUXI Status 0 9 AUX2 Status 0 10 AUX3 Status 0 196 Rockwell Automation Publication 825 UM004D EN P April 2012 Group DeviceNet cont
84. 324 1 0 Mapping Modbus Register Read 0x03h 40225 Write 0x06h 400225 Parameter Name AUX6 ASSIGN REG1 Min Max 0 Overload 1 Undercurrent 2 Jam 3 Curr Imbalance 4 Short Circuit 5 RTD Wind Bear 6 PIC 7 GF Res 8 VAR 9 Underpower 10 Undervoltage 11 Overvoltage 12 Phase Reversal 13 Power Factor 14 Speed Switch 15 GF CB Default Scale Factor Units Access Get Set cont 325 222 40226 400226 AUX6 ASSIGN REG2 0 Start Time 1 Frequency 1 2 Frequency 2 3 Other 4 Ambient 5 PTC Error 6 RTD Error 7 MCM CWE Error 8 Comm Idle 9 Comm Loss 10 Remote Trip 112 Comm Fault 12 Latch Trip 13 Reserved 14 Reserved 15 Reserved Rockwell Automation Publication 825 UM004D EN P April 2012 C d OX UC cO WO Co X UD o D 3 gt X X CD X Get Set Group 1 0 Mapping cont DeviceNet Param No 326 Modbus Register Read 0x03h 40227 Write 0x06h 400227 Parameter Name AUX6 ASSIGN REG3 Min Max 0 RTD_Amb Warn 1 SALARM 2 Warning 3 Load Ctl Upper 4 Load Ctl Lower 5 Timer 1 6 Timer 2 7 Short Ckt Warn 8 Stopped 9 Running 10 Starting 11 Star 12 Delta 13 Start 14 Network 15 Reserved Default Scale Factor Parameter List Units Chapter B
85. 44 Modbus Password Control and Parameter Modification 144 Modbus Serialized Events Recording Register Operation 145 Modbus Load Profile Register 145 Chapter 11 Oveni 147 DU o 147 Commissioning Tosco coco db 147 Rockwell Automation Publication 825 UM004D EN P November 2012 Table of Contents Selected Functional Teste rica 151 Periodic Tests Routine Maintenance 155 Tros cu ba gated D QE PU PUE 157 NE 158 Power Supply Fuse 8 158 Real Time Clock RTC Battery Replacement 159 Troubleshooting ridad 160 Troubleshooting Device Backplane Communication 160 Chapter 12 ASCII Serial Communications Ovevview e 161 ASCII Serial Port Operation arado dedos 161 IS 161 Required Equipments iiie ee eere eh eet rrr 161 Connect Your PC tothe Relay iiis tee bi Lie ee haee 162 Configure Your Terminal Emulation Software 163 Serial Port Settings re ARR E EI p op nt 163 Using Terminal Command vennen 164 Serial Port Access Lala 165 Command Sabre Uia babes 166 Description of Commands side as 167 ACC and 2AC 1 2 167
86. 47 NEG VAR TRIP LEV 1 2500 2500 1 kVAR Get Set 247 40148 400148 POS VAR TRIP EN 0 0 Get Set 248 40149 400149 POS VAR TRIP LEV 1 2500 2500 1 kVAR Get Set 249 40150 400150 VAR TRIP DELAY 0 240 0 1 250 40151 400151 NEG VAR WARN EN o N 0 Get Set 1 Y 251 40152 400152 NEG VAR WARN LEV 1 2500 2500 1 kVAR Get Set 252 40153 400153 POS VAR WARN EN 0 N 0 Get Set 1 Y 253 40154 400154 POS VAR WARN LEV 1 2500 2500 1 kVAR Get Set 254 40155 400155 VAR WARN DELAY 0 240 0 1 Get Set 255 40156 400156 UP TRIP ENABLE 0 N 0 Get Set Tox 256 40157 400157 UP TRIP LEVEL 1 2500 2500 1 kW Get Set Underpower 237 40158 400158 UP TRIP DELAY 0 240 0 1 5 Get Set Set 258 40159 400159 UP WARN ENABLE 0 N 0 Get Set 1 Y 259 40160 400160 UP WARN LEVEL 1 2500 2500 1 kW Get Set 260 40161 400161 UP WARN DELAY 0 240 0 1 Get Set 261 40162 400162 PF LAG TRIP ENBL 0 N 0 Get Set 1 Y 262 40163 400163 PF LAG TRIP LEVL 5 99 50 100 Get Set 263 40164 400164 PF LD TRIP ENABL 0 N 0 Get Set 1 Y 264 40165 400165 PF LD TRIP LEVL 5 99 50 100 Get Set bison 265 40166 400166 PF TRIP DELAY 0 240 0 1 5 Get Set 266 40167 400167 PF LAG WARN ENBL 0 N 0 Get Set 267 40168 400168 PF LAG WARN LEVL 5 99 50 100 Get Set 268 40169 400169 PF LD WARN ENABL 0 N 0 Get Set 1 Y 269 40170 400170 PF LD WARN LEVL 5 99 50 100 Get Set 270 40171 400171 PF WARN DELAY 0 240 0 1 Get Set 208 Rockwell Automation Publicati
87. 5 20 e Full Load Amps le 80 A primary e Service Factor 1 2 e Locked Rotor Amps 480 0 80 0 6 0 x le e Hot Locked Rotor Time 15 0 seconds e Run state time constant Auto NOTE To prevent nuisance tripping from occurring when a motor operates at the rated service factor set Service Factor to 0 01 plus the motor nameplate value If the Locked Rotor Ampere rating for the motor is unknown but the motor has a Motor Code designation use the following table as provided by NEMA National Electrical Manufacturer Association to determine the locked rotor ampere value Table 12 Motor Codes Letter Designation kVA HP OD Letter Designation kVA HP A 0 315 L 9 0 10 0 B 3 15 3 55 M 10 0 112 C 3 55 4 0 N 11 2 125 D 4 0 4 5 P 12 5 14 0 E 4 5 5 0 R 14 0 16 0 F 5 0 5 6 5 16 0 18 0 6 5 6 63 18 0 20 0 H 632201 U 20 0 22 4 J 7 1 8 0 V 22 4and up K 8 0 9 0 O Locked kVA per horsepower range includes the lower figure up to but not including the higher figure e g 3 14 is designated by letter Aand 3 15 is designated by letter B 72 Rockwell Automation Publication 825 UM004D EN P November 2012 Configuring Protection amp Logic Functions Chapter 6 The Acceleration Factor setting reduces or extends the allowed accelerating time under locked rotor conditions You can always safely set this value equal to 1 00 If you know that the driven l
88. 5 seconds after incorrect phase rotation signals are applied to the relay For relays equipped with current inputs only the trip occurs approximately 0 5 seconds after the motor start is initiated When the relay is equipped with voltage inputs the trip occurs approximately 0 5 seconds after AC voltages are applied to the relay Rockwell Automation Publication 825 UM004D EN P November 2012 81 Chapter6 Configuring Protection Logic Functions Speed Switch Stalling During Start Table 25 Speed Switch Settings Setting Prompt Setting Range Factory Default SS TRIP DELAY Off 1 2405 Off SS WARN DELAY Off 1 2405 Off NOTE In addition to setting the SS DELAY you must connect the speed switch contact to an input assigned to Speed Switch see Table 44 and Figure 5 Figure 20 and Figure 21 for connection diagrams Speed Switch stalling during start protection provides mechanical sensing of a locked rotor condition through input monitoring of a speed switch that is mechanically coupled to the motor shaft When the SS TRIP DELAY is set the relay trips if the speed switch is not closed within the set time after the motor start begins A separate delay SS WARN DELAY can also be set to provide a warning before the Speed Switch trip Figure 31 shows typical currents during motor start normal and stall during start and the Speed Switch Trip Delay time setting Figure 31 Stalling During Starting 1 Normal
89. 535 1 A Get 353 40254 GF RES ANGLE 1800 1800 10 Get 354 40255 AVERAGE CURRENT 0 65535 1 A Get 355 40256 MOTOR LOAD 0 120 10 xle Get 356 40257 CURRENT IMBAL 0 1000 10 Get 357 40258 VAB 0 65535 1 Get 358 40259 VAB ANGLE 1800 1800 10 d Get 359 40260 VBC 0 65535 1 V Get 360 40261 VBC ANGLE 1800 1800 10 Get 361 40262 VCA 0 65535 1 362 40263 VCA ANGLE 1800 1800 10 Get 363 40264 AVERAGE LINE 0 65535 1 364 40265 VAN 0 65535 1 V Get 365 40266 VAN ANGLE 1800 1800 10 o Get 366 40267 VBN 0 65535 1 Get 367 40268 VBN ANGLE 1800 1800 10 Get 368 40269 VCN 0 65535 1 V Get 369 40270 VCN ANGLE 1800 1800 10 Get 370 40271 VG 0 65535 1 V Get 371 40272 VG ANGLE 1800 1800 m 10 Get 372 40273 AVERAGE PHASE 0 65535 1 V Get 373 40274 VOLTAGE IMBAL 0 1000 10 Get 374 40275 REAL POWER 32768 32767 1 kw Get P 375 40276 REACTIVE POWER 32768 32767 1 KVAR Get 376 40277 APPARENT POWER 32768 32767 1 KVA Get 377 40278 POWER FACTOR 100 100 100 Get Rockwell Automation Publication 825 UM004D EN P April 2012 227 ChapterB Parameter List Group DeviceNet Parameter Name Min Max Default ne Units Access Param Read 0x03h Write 0x06h Factor 379 40280 MAX WINDING RTD 32768 32767 1 C Get
90. 8 Comm Idle 9 Comm Loss 10 Remote Trip 11 Comm Fault 12 Alarm Critical Default Scale Factor Units Access Get 25 WARN1 COS MASK 0 Overload 1 Undercurrent 2 Jam 3 Curr Imballance 4 Short Circuit 5 RTD Wind Bear 6 PIC 7 GF Residual 8 VAR 9 Underpower 10 Undervoltage 11 Overvoltage 12 Phase Reversal 13 Power Factor 14 Speed Switch 15 GF Core Bal Get Set 26 WARN2 COS MASK 0 Start Time 1 Frequency 1 2 Frequency 2 3 Other 4 Ambient 5 PTC Error 6 RTD Error 7 MCM Error 8 Comm Idle 9 Comm Loss 10 Remote Trip 11 Comm Fault 12 Alarm Critical wo Get Rockwell Automation Publication 825 UM004D EN P April 2012 DEVICENET VOLTAGE 0 6500 100 Get Parameter List Chapter B Group DeviceNet se Parameter Name Min Max Default seale Units Access Param Read 0x03h Write 0x06h Factor 28 GRPAPRFLTSTATE 0 Go to FitValue 29 0 Get Set 1 Ignore Trip 29 GRPA PR FLTVALUE 0 Open 0 Get Set 1 Closed 30 GRPA DN FLTSTATE 0 Go to FltValue 31 0 Get Set 1 Ignore Trip 31 GRPA DN FLTVALUE 0 Open 0 Get Set 1 Closed 32 GRPA DN IDLSTATE 0 Go to FltValue 33 0 Get Set 1
91. 8 Comm Idle Warn 9 Comm Loss Warn 10 Reserved 11 Comm Fault Warn 12 Alarm Warn 13 Reserved 14 Reserved 15 Reserved Rockwell Automation Publication 825 UM004D EN P April 2012 233 ChapterB Parameter List 234 Rockwell Automation Publication 825 UM004D EN P April 2012 Overview Definitions Appendix C Relay Word Bits The protection and control element results are represented by Relay Status bits in the 825 P relay Each Relay Status bit has a label name and can be in either of the following states 1 logical ON 0 logical OFF Logical ON represents an element being picked up or otherwise asserted Logical OFF represents an element being dropped out or otherwise de asserted The Relay Word bits are collected into a table of 10 rows each row containing 8 bits The collection is called the Relay Word Table 112 shows a list of Relay Status bits and their descriptions The Relay Word bit row numbers correspond to the row numbers used in the TAR command in MPS Explorer Software For access from the front panel use the following menu path Main Menu gt Targets Table 113 shows additional Relay Word bits that are not available for output mapping or for the display using the TARGET command These bits are used in the relay Sequential Events Recorder SER records Chapter 8 Analyzing Events Table 112 Relay Word Bit Definitions for the 825 P Sheet 1 of 4 Row Bit Definition
92. 825 P including the configuration of parameter values To change access levels select the appropriate button The access levels must be changed in ascending order To obtain access to Level 2 access must first be obtained in Levels 0 and 1 If the application requires the use of a password it can be typed into the text box and click the Send Password button Once the first successful connection has been established the software will display the device status by default Access Level Oye fot 11 06732 931 ML 11 00 24 421 MODA PROT SYSTEM nca gt BS P MODULAR Date 08 27 2012 Tines 11 06 36 430 PROT SYSTEM 5 To disconnect from the 825 P relay use the button or navigate to MPS gt Disconnect Disconnecting from the 825 P will result in the access level being downgraded to 0 MPS Explorer will automatically detect the absence of the 825 P when the program is closed but it is recommended that the user disconnect before removing power or physically disconnecting the relay The user is able to change the parameters at any time regardless of the connection status The settings can be saved and the file can be loaded on to replacement components There are two buttons on the toolbar that perform operations pertaining to transfer of data and parameters The software and the 825 P can be synchronized by both buttons The 2 button is use
93. 9 Net In 18 Net In 17 5 Net In 32 Net In 31 Net In 30 Net In 29 Net In 28 Net In 27 Net In 26 Net In 25 This is a Read Write control assembly Instance 181 Hardware Outputs 1 6 Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 Aux 8 Aux7 Aux 6 Aux 5 Aux 4 Aux 3 Aux 2 Aux 1 1 Fit Reset Aux 10 Aux 9 250 Rockwell Automation Publication 825 UM004D EN P April 2012 DeviceNet Information Chapter E This is a Read Write control assembly Instance 182 Consumed Network Inputs 1 16 Byte Bit7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 Net Input 8 Net Input 7 Net Input 6 Net Input 5 Net Input 4 Net Input 3 Net Input 2 Net Input 1 1 Net Input 16 Net Input 15 Net Input 14 Net Input 13 Net Input 12 Net Input 11 Net Input 10 Net Input 9 This is a Read Write control assembly Instance 183 Consumed Network Inputs 17 32 Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 Net Input 24 Net Input 23 Net Input 22 Net Input 21 Net Input 20 Net Input 19 Net Input 18 Net Input 17 1 Net Input 32 Net Input 31 Net Input 30 Net Input 29 Net Input 28 Net Input 27 Net Input 26 Net Input 25 Connection Object CLASS CODE 0x0005 No class attributes are supported for the Connection Object Multiple instances of the Connection Object are supported Instances 1 2 and 4 from the group 2 predefined master slave connection set and Instances 5 7 are available exp
94. 97 400097 RTD4 TRIP LEVEL 0 Off 250 0 1 C Get Set 197 40098 400098 RTD4 WARN LEVEL 0 Off 250 0 1 C Get Set 198 40099 400099 RTD5 LOCATION 0 Off 0 Get Set 199 40100 400100 RTD5 TYPE 0 Pt100 0 Get Set 200 40101 400101 RTD5 TRIP LEVEL 0 Off 250 0 1 Get Set 201 40102 400102 RTD5 WARN LEVEL 0 Off 250 0 1 C Get Set 202 40103 400103 RTD6 LOCATION 0 Off 0 Get Set 1 Wdg 2 Brg 3 Amb 4 0th 203 40104 400104 RTD6 TYPE 0 Pt100 0 Get Set 1 Ni100 2 Ni120 3 Cu10 204 40105 400105 RTD6 TRIP LEVEL 0 Off 250 0 1 C Get Set 205 40106 400106 RTD6 WARN LEVEL 0 Off 250 0 1 C Get Set 206 40107 400107 RTD7 LOCATION 0 Off 0 Get Set 1 Wdg 2 Brg 3 Amb Rockwell Automation Publication 825 UM004D EN P April 2012 205 ChapterB Parameter List i Modbus Register Group DeviceNet Parameter Name Min Max Default scale Units Access Read 0x03h Write 0x06h Factor 207 40108 400108 RTD7 TYPE 0 Pt100 0 Get Set 1 100 2 120 3 010 208 40109 400109 RTD7 TRIP LEVEL 0 Off 250 0 1 Get Set 209 40110 400110 RTD7 WARN LEVEL 0 Off 250 0 1 C Get Set 210 40111 400111 RTD8 LOCATION 0 Off 0 Get Set 1 Wdg 2 Brg 3 Amb 4 0th 211 40112 400112 RTD8 TYPE 0 Pt100 0 Get Set 1 100 2 120 3 10 212 40113 400113 RTD8 TRIP LEVEL 0 Off 250 0 1 C
95. APU OFF LLAPU OFF 46UBA OFF OFF N OFF TBSDLY OFF SPDSDLYA RTDRST ALTMP1 TRIMP3 TRTMP4 TRTMP5 TRTMP6 TRTMP7 TRIMP8 TRIMP9 TRTMP10 TRTMP11 TRTMP12 ERTDBIAS 27P2P 59P2P PVARTP 37PAP 55LDTP 55AD 81D1AP BLK48 BLK66 AUX1FS AUXSFS FP CONT FP GC FP VA STATUS Level 1 or 2 T1OFFDLY gt DATE_F CTRN 49RSTP TD1 COOLTIME 50N1P 46UBAD RTD1LOC RTD2LOC ALTMP3 ALTMP4 ALTMP5 ALTMP6 ALTMP7 ALTMP8 ALTMP9 ALTMP10 ALTMP11 ALTMP12 BLK50EF BLK49PTC AUX2FS AUX6FS T20NDLY FP LA FP PE PTR SF RTC1 ETHMBIAS 50N2P PROTBL T RTD1TY RTD3LOC RTD4LOC RTD5LOC RTD6LOC RTD7LOC RTD8LOC RTD9LOC RTD10LOC RTD11LOC RTD12LOC EWDGV PVARAP 55LGAP BLK50P BLK49RTD AUX3FS T2OFFDLY FP MF FP_RTD The STATUS command displays the relay hardware and software self test diagnostics and resolves hardware configuration conflicts when detected see Figure 58 To view a status report enter the STATUS command To view the status report k times enter the command STATUS where amp is a number between 1 and 32767 Table 105 shows the status report definitions and message formats for each test Rockwell Automation Publication 825 UM004D EN P November 2012 ASCII Serial Communications Table 105 STATUS Command Report and Definitions Chapter 12
96. April 2012 Parameter List Appendix B Overview This appendix lists all accessible parameters of the 825 P relay in numerical order The setting range for each parameter is provided to assist especially for applications where it is desirable to set values from a logic controller via a network connection Information values provided include the following Value Function Setting Range Indicated as raw numerical values Scale Factor Indicate the decimal precision associated with each parameter This must be given close attention when writing or reading values Default Indicate the factory pre programmed values Group DeviceNet Parameter Name Min Max Default ae Units Access Param Read 0x03h Write 0x06h Factor HDW INPUTS 0 0 Get 1 IN2 0 2 IN3 0 3 IN4 0 4 IN5 0 5 IN6 0 6 IN7 0 Status 7 IN8 0 HDW OUTPUTS 0 AUX1 0 Get 1 AUX2 0 2 AUX3 0 3 4 0 4 AUX5 0 5 6 0 Rockwell Automation Publication 825 UM004D EN P November 2012 193 Chapter B Group Status cont 194 Parameter List DeviceNet Param No Modbus Register Read 0x03h Write 0x06h Parameter Name TRIP STATUS 1 Min Max 0 Overload 1 Undercurrent 2 Jam 3 Curr Imballance 4 Short Circuit 5 RTD Wind Bear 6 7 GF Residual 8 VAR 9 Underpower 10 Undervoltage 11 Overvoltage 12 Phase Reversal 13 Powe
97. Bit 2 Bit 1 Bit 0 0 Input 8 Input 7 Input 6 Input 5 Input 4 Input 3 Input 2 Input 1 1 This is a Read Only status assembly Instance 184 Produced Network Outputs 1 15 Byte Bit7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 Net Out 8 Net Out 7 Net Out 6 Net Out 5 Net Out 4 Net Out 3 Net Out 2 Net Out 1 1 Net Out 16 Net Out 15 Net Out 14 Net Out 13 Net Out 12 Net Out 11 Net Out 10 Net Out 9 248 Rockwell Automation Publication 825 UM004D EN P April 2012 DeviceNet Information Chapter E This is a Read Only status assembly Instance 185 Trip Status 1 Byte Bit7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 GF Res PTC RTD Wind Short Ckt Cur Imbal Jam Undercurrent Overload 1 GF CB Sp Switch P Factor Ph Rev Over V Under V Under power VAR This is a Read Only status assembly Instance 186 Trip Status 2 Byte Bit7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 MCM err RTD err PTC err RTD Amb RTD other Freq 2 Freq 1 Stall 1 Remote Comm Idle Comm Loss This is a Read Only status assembly Instance 187 Warning Status 1 Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 GF Res PTC RTD Wind Short Ckt Cur Imbal Jam Undercurrent Overload 1 GF CB Sp Switch P Factor Ph Rev Over V Under V Under power VAR This is a Read Only status assembly Instance 188 Warning Status 2 Byte Bit7 Bit 6 Bit 5 Bi
98. By Control Input disable protection During emergency start Displays Emergency Start Front Panel Messages Each time the relay trips it automatically displays a front panel message and the Trip LED illuminates If a trip occurs during a critical alarm status condition the Trip LED flashes see Self Tests on page 156 Trip message The Trip message describes the type of trip that occurred e Overload Trip Undervoltage Trip RID Trip Locked Rotor Trip e Overvoltage Trip PTC Trip Undercurrent Trip Underpower Trip Start Time Trip Jam Trip Power Factor Trip RTD Fail Trip e Current Imbalance Trip e Reactive Power Trip PTC Fail Trip Short Circuit Trip e Phase Reversal Trip Comm Idle Loss Trip Ground Fault Trip Underfrequency Trip Remote Trip Speed Switch Trip e Overfrequency Trip Comm Fail Trip Rockwell Automation Publication 825 UM004D EN P November 2012 Front Panel Operation Chapter 3 Front Panel Menus and Operations Alarm or Warning Messages Each time the relay is in a warning condition with the Trip LED flashing the front panel displays the corresponding warning message The Warning message describes the type of warning that is occurring e Overload Warning Undervoltage Warning RTD Warning e Undercurrent Warning Overvoltage Warning RTD Failure Jam Warning Underpower Warning e MCM CWE Failure e Current Imbalance Warning Power Factor Warning
99. DN DeviceNet Communication Card 28 29 30 31 32 33 NOTE 34 35 36 Select OK Moving cursor into the grid place Aux Out 5 to the right of the AND function block Correct the Fault Input to the Aux Out 5 Do one of the following e Inthe toolbar select Tools From the pull down menu select Logic Verify To toggle out of edit mode if you are online with a device select Tools After selecting Edit from the main menu select Download from the pull down menu right corner of the toolbar The PLC key switch must be in the Program position If not the download does not occur and a generated error occurs When the download is successful select OK From the same pull down menu select Logic Enable On The 825 P Modular Protection System is now programmed and the logic is active Rockwell Automation Publication 825 UM004D EN P November 2012 Parameter Groups 825 PDN DeviceNet Communication Card Chapter 9 The 825 PDN Device Communication Card contains five parameter groups The parameters shown in the DeviceLogix Parameters DeviceNet Parameters Aux Output Parameters Misc Parameter and Status Parameters are discussed in this section A complete list of all DeviceNet parameters is described in Appendix B Status Parameters DeviceNet Aux Output Misc Parameters DeviceLogix Parameters Parameters Parameters Hdw Inputs Autobaud Enable
100. ER command are dependent on the Date Format setting If the Date Format setting equals MDY then use the format mm dd yyyy for entered dates If the Date Format setting equals YMD then use the format yyyy mm dd for the entered dates If the Date Format setting equals DMY then use the format dd mm yyyy for the entered dates If the requested SER records do not exist the relay displays the message NO SER Data SER R or C Level 1 and 2 The SER R or SER C command removes the SER data from nonvolatile memory Rockwell Automation Publication 825 UM004D EN P November 2012 171 Chapter 12 ASCII Serial Communications 172 SET Level 2 The SET command allows you to view or change the relay settings Table 101 Serial Port SET Commands Command Settings Type Description SET Relay Protection elements timers etc SET P Port Serial port settings for Serial Port F SET M Relay 1 0 mapping settings When you issue the SET command the relay presents a list of settings one at a time Enter a new setting or press Enter to accept the existing setting Editing keystrokes are shown in Table 102 Table 102 SET Command Editing Keystrokes Do the Following Results Press Enter Retains setting and moves to next setting Type and then press Enter Returns to previous setting Type lt and then press Enter Returns to previous setting category Type gt and then press Enter Moves to the next
101. IP DELAY 0 0 120 05 5 0 JAM WARN LEVEL Off 1 00 6 00x 7 Off JAM WARN DELAY 0 0 120 05 10 0 When the motor is running the relay offers jam detection When the motor load jams stalling the motor the phase current increases to near the locked rotor value When Load Jam Tripping is enabled if the phase current exceeds the Load Jam Trip Level setting for longer than the time delay setting the relay trips Set the Load Jam Trip Level greater than the expected normal load current but less than the rated locked rotor current This setting is entered in per unit of the Full Load Amps setting Table 18 Undercurrent Settings Setting Prompt Setting Range Factory Default UC TRIP LEVEL Off 0 10 1 00xZ Off UC TRIP DELAY 0 0 120 05 5 0 UC WARN LEVEL Off 0 10 1 00xZ Off UC WARN DELAY 0 0 120 05 10 0 UC START INHIBIT 0 15005 0 The relay arms the load loss detection logic after the motor starts as defined by the Undercurrent Start Inhibit time delay setting Set this delay to allow pumps or compressors to reach normal load Once armed this function issues a warning or trip if phase current drops below warn or trip level for the specified time delay Set the Undercurrent Trip and Warn Levels greater than the expected motor no load current but less than the minimum current expected when the motor is operating normally These settings are entered in per unit of the Full Load Amps 1 se
102. Ignore Trip 33 GRPA DN IDLVALUE 0 Open 0 Get Set 1 Closed 34 GRPB PR FLTSTATE 0 Go to FitValue 35 0 Get Set 1 Ignore Trip 35 GRPB PR FLTVALUE 0 Open 0 Get Set 1 Closed 36 GRPB DN FLTSTATE 0 Go to FitValue 37 0 Get Set Aux 1 Ignore Trip Outputs 37 GRPB DN FLTVALUE 0 Open 0 Get Set 1 Closed 38 GRPB DN IDLSTATE 0 Go to FitValue 39 0 Get Set 1 Ignore Trip 39 GRPB DN IDLVALUE 0 Open 0 Get Set 1 Closed 40 GRPC PR FLTSTATE 0 Go to FitValue 41 0 Get Set 1 Ignore Trip 41 GRPC PR FLTVALUE 0 Open 0 Get Set 1 Closed 42 GRPC DN FLTSTATE 0 Go to FitValue 43 0 Get Set 1 Ignore Trip 43 GRPC DN FLTVALUE 0 Open 0 Get Set 1 Closed 44 GRPC DN IDLSTATE 0 Go to FitValue 45 0 Get Set 1 Ignore Trip 45 GRPC DN IDLVALUE 0 Open 0 Get Set 1 Closed Rockwell Automation Publication 825 UM004D EN P April 2012 199 Chapter B Group Miscellaneous Parameter List DeviceNet Param No 46 Modbus Register Read 0x03h Write 0x06h Parameter Name SET TO DEFAULTS Min Max 0 No action 1 Set all defaults 2 Set DeviceNet defaults 3 Set 825 P relay defaults Default Scale Factor Units Access Get Set DeviceLogix 200 50 NETWORK INPUTS 1 16 0 Net IN1 1 Net IN2 2 Net IN3 3 Net IN4 4 Net IN5 5 Net ING 6 Net IN7 7 Net IN8 8
103. Implemented for Service Code Service Name Class Instance Get Single 02 0x10 No Yes Set Attribute Single 0x01 No Yes Get Attributes All Rockwell Automation Publication 825 UM004D EN P April 2012 257 ChapterE DeviceNet Information The following instance attributes are implemented for all parameter attributes Attribute ID Access Rule Name Data Type Value 1 Get Set Value Specified in Descriptor 2 Get Link Path Size USINT 3 Get Link Path Array of BYTE EPATH 4 Get Descriptor WORD 5 Get Data Type EPATH 6 Get Data Size USINT 7 Get Parameter Name String SHORT_ STRING 8 Get Units String SHORT_STRING 9 Get Help String SHORT_STRING 10 Get Minimum Value Specified in Descriptor 11 Maximum Value Specified in Descriptor 12 Get Default Value Specified in Descriptor 13 Scaling Multiplier UINT 14 Get Scaling Divisor UINT 15 Get Scaling Base UINT 16 Get Scaling Offset INT 17 Get Multiplier Link UINT 18 Get Divisor Link UINT 19 Get Base Link UINT 20 Get Offset Link UINT 21 Get Decimal Precision USINT Parameter Object CLASS CODE 0x0010 Attribute ID Get Revision UINT The following class attributes are supported for the Parameter Object Value 258 Get Max Instance UINT Instance 1 Status Parameters Instance 2 DeviceNet Parameters Instance 3 User I O Parameters
104. NT 3 3 Get Produce Code UINT 100 64 hex 4 Get Revision Structure of ORRRMMMM Major Revision UINT 0 reserved by Minor Revision UINT DeviceNet RRR Revision of Motor Relay MMMM Revision of DNet card 5 Get Status WORD Bit 0 0 not owned 1 owned by master Bit 2 0 Factory Defaulted 1 Configured Bit 8 Minor Recoverable fault Bit 9 Minor Unrecoverable fault Bit 10 Major Recoverable fault Bit 11 Major Unrecoverable fault 6 Get Serial Number UDINT Unique number for each device 7 Get Produce Name Structure of String Name USINT 825 P ASCII String STRING 9 Get Configuration UINT Unique value depending Consistency Value on output of the parameter checksum algorithm Rockwell Automation Publication 825 UM004D EN P April 2012 243 ChapterE DeviceNet Information The following common services are implemented for the Identity Object Implemented for Service Code Service Name Ox0E No Yes 0x05 No Yes Reset Get_Attribute_Single No class or instance attributes are supported The message router object exists Message Router CLASS CODE 0x0002 only to rout explicit messages to other objects The following class attributes are supported for the DeviceNet Object DeviceNet Object CLASS CODE 0x0003 Only Instance 1 of the DeviceNet Object is supported The following instance attributes are supported Attribute ID Access Rule Name Data Type Value 1 G
105. Name AUX2 ASSIGN REG3 Min Max 0 RTD_Amb Warn 1 SALARM 2 Warning 3 Load Ctl Upper 4 Load Ctl Lower 5 Timer 1 6 Timer 2 7 Short Ckt Warn 8 Stopped 9 Running 10 Starting 11 Star 12 Delta 13 Start 14 Network 15 Reserved Default Scale Factor Parameter List Units Chapter B Access Get Set 311 40212 400212 AUX2 ASSIGN REG4 0 Overload Warn 1 Undercurr Warn 2 Jam Warn 3 Curr Imbal Warn 4 RTD W B Warn 5 Pwr Factor Warn 6 GF CB Warn 7 GF Res Warn 8 VAR Warn 9 Underpower Warn 10 Undervolt Warn 11 Overvolt Warn 12 Spd Switch Warn 13 Freq Warn 14 Freq2 Warn 15 RTD OtherWarn Rockwell Automation Publication 825 UM004D EN P April 2012 O ca O O D amp C c O C C UC D O uc Cc c Get Set 215 ChapterB Parameter List DeviceNet Group Param No 312 1 0 Mapping Modbus Register Read 0x03h 40213 Write 0x06h 400213 Parameter Name AUX3 ASSIGN REG1 Min Max 0 Overload 1 Undercurrent 2 Jam 3 Curr Imbalance 4 Short Circuit 5 RTD Wind Bear 6 PIC 7 GF Res 8 VAR 9 Underpower 10 Undervoltage 11 Overvoltage 12 Phase Reversal 13 Power Factor 14 Speed Switch 15 GF CB Default Scale Factor Units Access Get Set cont 313 216 40214
106. Name OxOE No Yes Get Attribute Single 0x10 No No Set Attribute Single 264 Rockwell Automation Publication 825 UM004D EN P April 2012 Rockwell Automation Support Rockwell Automation provides technical information on the Web to assist you in using its products At http www rockwellautomation com support you can find technical manuals a knowledge base of FAQs technical and application notes sample code and links to software service packs and a MySupport feature that you can customize to make the best use of these tools For an additional level of technical phone support for installation configuration and troubleshooting we offer TechConnect support programs For more information contact your local distributor or Rockwell Automation representative or visit http www rockwellautomation com support Installation Assistance If you experience a problem within the first 24 hours of installation review the information that is contained in this manual You can contact Customer Support for initial help in getting your product up and running United States or Canada 1 440 646 3434 Outside United States or Use the Worldwide Locator at http www rockwellautomation com support americas phone en html or contact Canada your local Rockwell Automation representative New Product Satisfaction Return Rockwell Automation tests all of its products to ensure that they are fully operational when shipped from the manufacturing
107. Non Fail Safe Tripping The Trip relay can be configured for Fail Safe or Non Fail Safe operation by way of the Relay Behavior settings group discussed in Output Relay Behavior on page 92 The Trip relay output is a Form C contact consisting of a common terminal a normally open N O terminal and a normally closed N C terminal The terminals require different contact designations based on whether the Trip relay is configured for Fail Safe or Non Fail Safe operation The proper contact designations for Fail Safe and Non Fail Safe configurations are identified in Figure 6 Be certain to apply the appropriate marking strip to the terminal plug corresponding to the configuration of the relay s trip output The 825 P provides fail safe and non fail safe trip modes setting selectable for the Trip and Aux auxiliary contacts The following occurs in fail safe mode The Trip relay coil is energized continuously When the 825 P generates a trip signal the Trip relay coil is de energized The Trip relay coil is also de energized if the 825 P input power is removed or if the 825 P fails self test status is FAIL Rockwell Automation Publication 825 UM004D EN P November 2012 21 Chapter2 Installation Figure 6 TRIP Relay Output Contact Configurations Fail Safe Tripping 17 Non Fail Safe Tripping 95 95 1 ZN 96 tv 98 a it E NT 98 96 NOTE Contact numbering changes are based on the TRIP Fail Safe Sett
108. November 2012 Overview ASCII Serial Port Operation Chapter 12 ASCII Serial Communications The 825 P Relay has the following ASCII serial communications interfaces e PORT 4 Slot C for optional Modbus network communications e PORT F Front panel EIA 232 serial port This chapter describes the connections and commands used with ASCII serial communications Introduction The serial port interface provides an efficient way to communicate with the relay usinga PC to review and enter the settings access metering data review self test status retrieve event summaries and obtain motor operating statistics reports Required Equipment To connect a PC serial port to the relay front panel serial port and enter relay commands the following equipment is required personal computer equipped with one available EIA 232 serial port e A standard null modem communication cable to connect the computer serial port to the relay serial port Terminal emulation software to control the computer serial port e The 825 P Relay On most personal computers the connector for the EIA 232 serial port is a 9 pin D subconnector You can purchase the cable to connect the computer port to the relay port from most computer hardware retailers or you can build your own cable using the pinouts shown in Table 53 Rockwell Automation Publication 825 UM004D EN P November 2012 161 Chapter12 ASCII Serial Communications You can use a variety
109. November 2012 61 Chapter5 Using MPS Explorer 1 0 Mapping 62 A list of possible errors will appear showing the name and problem that may contribute to an error Possible Errors wwe problem CTRI 1 lt FLATICTRI lt 5 with MOMS FLA 1 lt FLALJCTRI lt with MOMS CTR2 1 lt FLAZICTRZ lt 5 with MOMS FLA 1 lt FLAZICTR2 lt 5 with MOMS MPS Explorer allows the user to easily configure the I O Map to assign protection trip functions to the Trip relay assign functions to the auxiliary relay and assign functions to the selected input When connected to the device the user can select I O Mapping from the Settings tree as shown MPS Explorer yew MPS Heb AIR A Then a list of the Trip Auxiliary Relays and Inputs will be displayed for configuration Once the list is displayed the user can locate a specific Trip Auxiliary or Input to modify Double click on a name to open the dialog box that will display each available bit with a corresponding parameter To enable a bit click the check box and then click Save TRIPA TRIPA 10 MAP Current Setting 10010000 New Setting 10010000 0123456701 Prev Next Rockwell Automation Publication 825 UM004D EN P November 2012 Resetting Restoring Troubleshooting Using MPS Explorer Chapter 5 Restoring Parameter Values Software Navigate to MPS gt Parameters gt Open Default Settings to restore the default program set
110. PTC Failure Ground Fault Warning Reactive Power Warning Comm Loss Warning Short Circuit Warning Underfrequency Warning Comm Idle Warning Speed Switch Warning Overfrequency Warning Comm Fault Warning The relay automatically displays a thermal time to trip for an impending thermal overload See Figure 24 Figure 24 Trip Message Sample Thermal Trip In 1234 sec Lockout Messages TCU Lockout Start Hr Lockout Min OffLockout Restart Lockout The 825 P front panel gives you access to most of the information that the relay measures and stores You can also use the front panel controls to view or modify relay settings All of the front panel functions are accessible using the seven button keypad and LCD display Use the keypad to maneuver within the front panel s menu structure as described in detail throughout the remainder of this section Table 4 describes the function of each push button Rockwell Automation Publication 825 UM004D EN P November 2012 35 Chapter3 Panel Operation Table 4 Front Panel Push Button Functions Push Button Function UpArrow Move up within a menu or data list While editing a setting value increase the value of the underlined digit DownArrow Move down within a menu or data list While editing a setting value decrease the value of the underlined digit LeftArrow Move the cursor to the left While viewing event data move to data for a newer event
111. RIP EN 0 N 0 Get Set 1 Y 137 40038 400038 GF CB TRIP LEVEL 1 2500 100 100 A Get Set GF CB 138 40039 400039 GF CB TRIP DELAY 0 500 0 100 Get Set Settings 139 40040 400040 GF CB WARN EN 0 0 Get Set 1 Y 140 40041 400041 GF CB WARN LEVEL 1 2500 100 100 A Get Set 141 40042 400042 GF CB WARN DELAY 0 500 0 100 Get Set 142 40043 400043 GF RES TRIP EN 0 0 Get Set 1 Y 143 40044 400044 GF RES TRIP LEVL 10 100 50 100 xle Get Set GF Res 144 40045 400045 GF RES TRIP DLAY 0 500 0 100 Get Set Settings 145 40046 400046 GF RES WARN EN 0 0 Get Set 1 Y 146 40047 400047 GF RES WARN LEVL 10 100 50 100 xle Get Set 147 40048 400048 GF RES WARN DLAY 0 500 0 100 Get Set 148 40049 400049 JAM TRIP ENABLE 0 0 Get Set 1 Y jam 149 40050 400050 JAM TRIP LEVEL 100 600 200 100 xle Get Set Settings 150 40051 400051 JAM TRIP DELAY 0 1200 0 10 5 Get Set 151 40052 400052 JAM WARN ENABLE 0 N 0 Get Set 1 Y 154 40055 400055 UC TRIP ENABLE 0 0 Get Set 155 40056 400056 UC TRIP LEVEL 10 100 50 100 xle Get Set 156 40057 400057 UCTRIP DELAY 0 1200 50 10 5 Get Set 157 40058 400058 UC WARN ENABLE 0 0 Get Set Set 12Y 158 40059 400059 UC WARN LEVEL 10 100 50 100 xle Get Set 159 40060 400060 UC WARN DELAY 0 1200 100 10 5 Get Set 160 40061 400061 UC START INHIBIT 0 1500 0 1 Get Set Rockwell Automation Publication 825 UM004D EN P April 2012 203 ChapterB Parameter List
112. Start without Hindrance by High Overload or Stalling 2 Stalling During Standing j ty SS TRIP DELAY Time N le fat a ly Thermistor PTC Monitoring Table 26 PTC Settings Setting Prompt Setting Range Factory Default PTC ENABLE YN N PTC RESET MODE Man Auto Man 82 Rockwell Automation Publication 825 UM004D EN P November 2012 Configuring Protection amp Logic Functions Chapter 6 RTD Based Protection NOTE In addition to enabling the PTC function you must also connect at least one but no more than six thermistor s to the relay see Figure XX for a connection diagram You can connect up to six PTC thermistor sensors to the 825 P The detectors are typically embedded in the stator winding of the motor and they monitor the actual temperature of the winding This function is independent of the thermal model and accounts for conditions such as ambient temperature obstructed cooling etc The sensors and their leads are also monitored for short circuit faults Figure 32 shows characteristics of the PTC Setting PTC RESET MODE determines reset mode for the PTC element If set to Auto mode the PTC trip resets automatically when the element resets if other trip conditions are not present If set to Man operator intervention e g front panel push button is required to reset the PTC trip Figure 32 Characteristic of PTC Sensors as per IEC 34 11 2
113. T 1 3 Get COS Producing Connection Instance UINT 4 The following common services are implemented for the Acknowledge Handler Object Rockwell Automation Publication 825 UM004D EN P April 2012 261 ChapterE DeviceNet Information Implemented for Service Code Service Name OxOE No Yes Get Attribute Single 0x10 No Yes Set Attribute Single Overload Object CLASS No class attributes are supported for the Overload Object Only Instance 1 of the Overload Object is supported CODE 0x002c i H Attribute ID Access Rule Name Data Type Value 5 Get Average Current UINT XXX X amps 6 Get Phase Imbal USINT xxx FLA 7 Get 96 Thermal Utilized USINT xxx FLA 8 Get Current L1 UINT XXX X amps 9 Get Current L2 UINT XXX X amps 10 Get Current L3 UINT XXX X amps 11 Get Ground Current UINT XXX X amps The following common services are implemented for the Overload Object Implemented for Service Code Service Name OxOE No Yes Get Attribute Single 0x10 No No Set Attribute Single DeviceNet Interface Object The following class attributes are supported for the DeviceNet Interface Object CLASS CODE 0x00B4 Only Instance 1 of the DeviceNet Interface Object is supported 262 Rockwell Automation Publication 825 UM004D EN P April 2012 DeviceNet Information Chapter E Attribute ID Access Name Data Min Max Defaul
114. T Ratio See Table 59 Common Configuration Examples for 825 P Modular Protection System for additional configurations Table 58 Message Configuration lessage Configuration explicit mess 4 xj Configura on Communi calion Tag Message Type Get Atnbute Single Elen ant Source Lengt ce Hed Close Hex Destination Element fexplicit_daia a Jnsionce 104 Attribute 1 Hex New I Enable 2 Enable Woitng I Start Done Done Length 0 I Error Code Extended Error Code Timed Ou Eror Fath Text Table 59 Description of Message Configuration Fields Field Description Message Type Select CIP Generic from pull down menu to configure an explicit message Destination Tag name of the location you are going to place the response information In this example Element a tag was created with the name explicit data Service Type Pull down menu has several options however only the Get Attribute Single is used for this example The Class Instance and Attribute define the actual information being requested Additional configurations of these parameters can be found in Appendix B Class In this example the value is F Instance In this example the value is 104 Attribute In this example the value is 1 After the above information has been entered click on the communication tab Path Path defines the route the message takes to get to
115. Table Output Table Bit Description Bit Description Input 2 Reset Button Fit Reset Reset Overload Output 5 Tower Light While in RSNetWorx for DeviceNet double click 825 P Modular Protection System Select tab DeviceLogix Ifyou are on line with a device in the dialog box that appears asking you to upload or download select Upload Select Start Logic Editor Doone of the following If programming off line continue to next step e Do the following a If not programming off line select Edit b When asked if you want to enter edit mode select Yes In edit mode the entire list of function blocks is displayed in the toolbar Left click the AND function block Move your cursor into the grid Left click to drop the function onto the grid From the toolbar select Discrete Input Point 10 From the pull down menu select Input 2 This is the remote Reset button that is based on the I O table example Drag the input to the left of the AND function To drop the input on the page left click on the position that you want Position your cursor over the tip of Input 2 The pin tip turns green Click on the pin tip when it turns green Move your cursor toward the input of the AND function A line follows the cursor When a connection can be made the tip of the AND function also turns green Click on Input The line is drawn from Input 2 to the Input 1 ofthe AND function If this was not
116. The relay front panel typically operates at Access Level 1 and allows any user to view relay measurements and settings Some activities such as editing settings and controlling output contacts are restricted to those operators who know the relay Access Level 2 password when enabled The factory default setting for the Access Level 2 password is DISABLED which provides unrestricted access In the figures that follow restricted activities are marked with the padlock symbol shown in Figure 25 Figure 25 Access Level Security Padlock Symbol A 8 Before you can perform a front panel menu activity that is marked with the padlock symbol you must enter the correct Access Level 2 password After you have correctly entered the password you can perform other Access Level 2 activities without re entering the password Access Level 2 Password Entry When you try to perform an Access Level 2 activity the relay determines whether you have entered the correct Access Level 2 password since the front panel inactivity timer expired or since the Reset Access Lvl command has been executed from the Main Menu If you have not the relay displays the screen shown in the Password Entry screen shown in Figure 26 for you to enter the password Rockwell Automation Publication 825 UM004D EN P November 2012 37 Chapter 3 38 Front Panel Operation Figure 26 Password Entry Screen Password Del Cir Accept ABCDEFGH IJKLMNOP QRST
117. UVWX iqrstuvwx 01234567 189 TETAN ye lt gt i iabcdefgh iljjkImnop SUE To Enter Password Perform these steps to enter the correct password to issue an Access Level 2 function or to change the Access Level 2 password 1 3 NOTE 5 7 8 Press the DownArrow push button twice A blinking cursor appears in the first character position of the password and an underline appears beneath the character letter A in the lower line of the display Underline the first character of the password by moving through the characters shown in Figure 26 Use the LeftArrow and RightArrow push buttons to move the underline to the left and right and the UpArrow and DownArrow push buttons to move to other character rows With the correct first character underlined press the Enter push button The first character appears in the upper line of the display and the blinking cursor moves one character to the right Using the arrow push buttons continue to move within the character table and select each of the characters to build the Access Level 2 password The factory default Access Level 2 password is DISABLED With the correct Access Level 2 password visible in the upper line of the display use the up and right arrow to select Accept Press the Enter push button to accept the password shown in the upper line of the display If the password is correct the relay displays the requested setting
118. User Manual Allen Bradley Modular Protection System for Motors Catalog Number 825 P Allen Bradley Rockwell Software Automation Important User Information Because of the variety of uses for the products described in this publication those responsible for the application and use of this control equipment must satisfy themselves that all necessary steps have been taken to assure that each application and use meets all performance and safety requirements including any applicable laws regulations codes and standards The illustrations charts sample programs and layout examples shown in this guide are intended solely for purposes of example Since there are many variables and requirements associated with any particular installation Rockwell Automation does not assume responsibility or liability to include intellectual property liability for actual use based upon the examples shown in this publication Rockwell Automation publication SGI 1 1 Safety Guidelines for the Application Installation and Maintenance of Solid State Control available from your local Allen Bradley distributor describes some important differences between solid state equipment and electromechanical devices that should be taken into consideration when applying products such as those described in this publication Reproduction of the contents of this copyrighted publication in whole or part without written permission of Rockwell Automation is prohibited T
119. Worx for DeviceNet Status indicators report the status of the device bus and network communications They are visible from the back panel of the 825 P Modular Protection System as installed UCMM Unconnected Message Manager messages are supported with the ability to allocate up to 3 explicit message connections concurrently DeviceNet Group 2 slave functionality including Explicit connection Polled connection 1 COS Change of State Cyclic connection Full DeviceNet Parameter Object support allows EDS files to be extracted from all units Settings are provided for user defined behavior of the 825 P Modular Protection System auxiliary relays for Comm Fault and Comm Idle conditions Group 4 faulted node recovery is supported You can configure a device even when it is faulted on the network if the configuration tool supports faulted node recovery DeviceLogix component technology provides the capability to perform logic operations at the device level A total of 80 function blocks are supported Rockwell Automation Publication 825 UM004D EN P November 2012 115 Chapter9 825 PDN DeviceNet Communication Card Required Equipment Equipment Shipping with the Card When you unpack the card verify that the package includes e One DeviceNet communication card One five pin linear DeviceNet plug e Two labels that the installer affixes to the 825 P Modular Protection System one to the top and one
120. a 192 Appendix B PPP 193 Appendix OWERVIOW 235 Definitions naaa rab ies Metu D DIAM 235 Appendix D ASCI Port Ray Lis so pb EC 239 Appendix E Electronic Data She Dd ves PORT s etsii iiris 242 Product C ades 242 Device Nee Ob ec raras 242 Identity Object CLASS CODE 0000 Lunssaepskansssaenenennse 243 Message Router 2 CLASS CODE 0 0002 244 DeviceNet Object CLASS CODE 0 0003 244 Assembly Object CLASS CODE 0 0004 245 Custom Parameter Based Input Produced Assembly Instance iaa 246 Standard Input Produced 247 Standard Output Consumed Assemblies 250 Connection Object CLASS CODE 0 0005 251 Discreet Input Point Object CLASS CODE 0 0008 254 Discreet Output Point Object CLASS CODE 0 0009 255 Discrete Output Point Object Special Requirements 256 Parameter Object CLASS CODE 0 000 257 Parameter Object CLASS CODE 0 0010 258 Discrete Output Group Object CLASS CODE 0 001 259 Control Supervisor Object CLASS CODE 0 0029 261 Acknowledge Handler Object CLASS CODE 0 002 261 Overload Object CLASS CODE 0x002c
121. a full description of various settings Use the SPEED2 input for two speed motor applications You can also use this input to change the settings in applications where ambient temperature varies appreciably e g exposed water pumps with different capacities during daytime and at night Breaker Contactor Auxiliary Use input if motors have an operational idling current of less than 2096 FLA Use the auxiliary contact of motor contactor or another contact which indicates that the motor is switched on The relay uses this input information to correctly determine the Motor State Running verses Stopped particularly important during periods of low idling current Remote Trip Use this input to trip the motor by remote protection or a control device e g vibration switch and pressure switch Stop Trip Logic The 825 P tripping logic is designed to trip or stop motors energized through circuit breakers or contactors Trip relay contacts 95 96 are designed for the purpose of being applied in motor control circuits The relay logic lets you define the conditions that cause a trip and the performance of the trip relay output contacts Initiate Trip The 825 P Trip Logic offers two ways to stop the protected motor e Trip Output Assignments e Serial Port or Network STOP Command Either of these two conditions triggers an event report The relay controls the Trip output contacts depending on the relay behavior setting Trip Fail Safe
122. al element Thermal Capacity value is too high to permit a normal motor start without tripping The trip condition is maintained until the Thermal Capacity decreases to a level where a start can safely take place If any of the above protection functions is not enabled by the relay settings that function does not affect trip unlatch Also note that the relay automatically asserts the trip signal if the motor stops and a lockout condition is true The trip signal is maintained until all the enabled motor lockout conditions are satisfied Trips initiated by the serial port command or by network operation are maintained for at least 0 5 second Start amp Emergency Restart Logic If the Trip output contact is not asserted the relay asserts the START Relay Word bit in response to any of the following conditions the Emergency Restart Relay Word bit asserts e you execute the STR serial port command or a DeviceNet Start Motor control command The START Relay Word bit remains asserted for 0 5 seconds unless the relay trips If the relay trips before the 0 5 second timer expires the relay resets the timer clearing the START Relay Word bit In an emergency it could be necessary to quickly start the motor even though a protection lockout condition exists and is holding the Trip output contact asserted The lockout might be a result of the thermal element or another protection function You can override all of the lockout conditions
123. alance and short circuit protection Voltage based and RT D based protection is available as an option All relay models provide monitoring functions This manual contains the information for installing setting testing operating and maintaining an 825 P It is not necessary to review the entire manual to perform specific tasks A Quick Start Guide Publication 825 QS00L is also available It will help to step the first time user through the device commissioning process Standard Protection Features Thermal Overload thermal model PTC positive temperature coefficient Overtemperature Undercurrent Load Loss e Current Imbalance and Phase Loss Overcurrent Load Jam Short Circuit Ground Fault Residual Ground Fault Zero Sequence Motor Starting Running Protection Inhibit During Start Start Motor Timer Notching or Jogging Device TCU Thermal Capacity Utilization Start Inhibit Anti Backspin Timer Emergency Start Two Speed Protection Reduced Voltage Starting Star Delta Stall Speed Switch Frequency Rockwell Automation Publication 825 UM004D EN P November 2012 13 Chapter1 Introduction Optional Protection Features Voltage Based Protection Undervoltage Overvoltage Underpower Reactive Overpower Phase Reversal Power Factor RTD Based Protection Up to 12 RTDs can be monitored when an external 825 PR12D RTD Scanner is used There are separate trip and warn settings
124. ance 2 contains the following attributes Rockwell Automation Publication 825 UM004D EN P April 2012 259 ChapterE DeviceNet Information Attribute ID Access Rule Name Data Type Value 3 Get Number of USINT 10 Instances 4 Get Binding Array of UINT 1 2 7 Get Set Fault Action BOOL 0 Fault Value attribute 1 Hold Last State 8 Get Set Fault Value BOOL 0 0FF 1 0N 9 Get Set Idle Action BOOL 0 Fault Value attribute 1 Hold Last State 10 Get Set Idle Value BOOL 0 0FF 1 0N 113 Get Set Pr Fault Action BOOL 0 Fault Value attribute 1 Hold Last State 114 Get Set Pr Fault Value BOOL 0 0FF 1 0N Instance 3 contains the following attributes Attribute ID Access Rule Name Data Type Value 3 Get Number of USINT 4 Instances 4 Get Binding Array of UINT 3 4 5 6 7 Get Set Fault Action BOOL 0 Fault Value attribute 1 Hold Last State 8 Get Set Fault Value BOOL 0 0FF 1 0N 9 Get Set Idle Action BOOL 0 Fault Value attribute 1 Hold Last State 10 Get Set Idle Value BOOL 0 0FF 1 0N 113 Get Set Pr Fault Action BOOL 0 Fault Value attribute 1 Hold Last State 114 Get Set Pr Fault Value BOOL 0 0FF 1 0N Instance 4 contains the following attributes Attribute ID Access Rule Name Data Type Value 3 Get Number of USINT 4 Instances 4 Get Binding Array of UINT 7 8 9 10 7 Get Set Fault Action BOOL 0 Fault Value attribute 1 Hold Last State 8 Get Set Fault Value BOOL 0 0FF 1 0N 9 G
125. angles are balanced have proper phase rotation and have the appropriate phase relationship to the phase voltages 26 If your relay is equipped with voltage inputs verify the following phase voltage magnitudes are nearly equal e Phase voltage phase angles are balanced and have proper phase rotation The 825 P relay in now ready for continuous service Selected Functional Tests Phase Current Measuring Accuracy 1 Connect the current source to the MCM converter module as shown in Figure 50 Figure 50 Current Source Connections IC IB Test 1 5 Cable with Source Plugs MCM _ 825 P 2 4 6 IN Rockwell Automation Publication 825 UM004D EN P November 2012 151 Chapter 11 152 Testing amp Troubleshooting 2 Using the front panel or MPS Explorer software record the Phase CT Ratio and Phase Rotation setting values 3 Set the phase current angles to apply balanced three phase currents in accordance with the Phase Rotation setting Refer to Figure 48 on page 149 4 Set each phase current magnitude equal to the values listed in Column 1 of Table 85 Use the front panel to view the phase current values The relay displays the applied current magnitude times the CT Ratio setting Table 85 Phase Current Measuring Accuracy 1 Expected A Phase B Phase C Phase Applied Reading Reading Reading Reading A sec
126. antaneous e Thermal and RTD METER k Instantaneous Metering The METER amp command displays instantaneous magnitudes and angles if applicable of the measured and calculated analog quantities All angles are displayed between 180 and 180 degrees For delta connected PTs angles are referenced to VAB or L1 and for wye connected PTs angles are referenced to VAN or L1 If the voltage channels are not supported or VAB lt 13V for delta or VAN lt 13V for wye angles are referenced to L1 current To view the instantaneous meter values once use the METER command see the example in Figure 55 To view the meter values times use the METER k command where K is a number between 1 and 32767 Rockwell Automation Publication 825 UM004D EN P November 2012 ASCII Serial Communications Chapter 12 Figure 55 View Instantanious Meter Values Once Example gt gt MET 825 P Modular Date 03 05 2003 Time 16 44 08 404 Prot System 11 12 13 Current Magnitude 21 2 2i 21 5 Current Angle deg 42 0 162 78 2 Average Current Magnitude A 21 Motor Load x Ie 0 GF Current Core Balance A 0 0 GF Current Core Balance Angle deg 76 GF Current Residual A 0 GF Current Residual Angle deg 325 Current Imbalance H VAN VBN VCN VG Voltage Magnitude L N V 334 334 334 Voltage Angle deg 0 0 119 6 120 8 Average Phase V 334 Voltage Imbalance 0 0 Real Power kW 16 Reactive Power kVAR 14 Apparent P
127. arn 7 GF Res Data 8 VAR 9 Underpower 10 Undervoltage 11 0vervoltage 12 Phase Reversal 13 Power Factor 14 Speed Switch 15 GF CB Rockwell Automation Publication 825 UM004D EN P April 2012 231 ChapterB Parameter List DeviceNet Group Param No 445 Trip Warn Data Read 0x03h Modbus Register Write 0x06h 40346 Parameter Name TRIP STATUS HI Min Max 0 Start Time 1 Frequency 1 2 Frequency 2 3 RTD Other 4 RTD Ambient 5 PTC Error 6 RTD Error 7 MCM CWE Error 8 Comm Idle 9 Comm Loss 10 Remote Trip 11 Comm Fault 12 Alarm Critical 13 Reserved 14 Reserved 15 Reserved Default Scale Factor Units Access Get cont 446 232 40347 WARN STATUS LO 0 0verload Warn 1 Undercurr Warn 2 Jam Warn 3 Curr Imbal Warn 4 Short Ckt Warn 5 RTD W B Warn 6 Reserved 7 GF Res Warn 8 VAR Warn 9 Underpower Warn 10 Undervolt Warn 11 0vervolt Warn 12 Reserved 13 Pwr Factor Warn 14 Spd Switch Warn 15 GF CB Warn Rockwell Automation Publication 825 UM004D EN P April 2012 Get Parameter List Chapter B Group DeviceNet oe Parameter Name Min Max Default SR Units Access Param Read 0x03h Write 0x06h Factor 447 40348 WARN STATUS HI 0 Reserved Get 1 Freq1 Warn 2 Freq2 Warn 3 RTD Other Warn 4 RTD Amb Warn 5 PTC Error Warn 6 RTD Error Warn Trip Warn 7 MCM CWE Err Warn Data cont
128. ase current FLA motor rated full load current In either case the function is disabled if the average phase current magnitude is less than 2596 of the Full Load Amps setting A 196 voltage imbalance typically causes approximately 6 current imbalance in induction motors If a 296 voltage imbalance can occur in your location set the current imbalance Warn Level greater than 1296 to prevent nuisance alarms A 1596 current imbalance Warn Level setting corresponds to an approximately 2 596 voltage imbalance and a 2096 current imbalance trip setting corresponds to an approximately 3 396 voltage imbalance A 10 second alarm delay and 5 second trip delay should provide adequate performance in most applications 78 Rockwell Automation Publication 825 UM004D EN P November 2012 Configuring Protection amp Logic Functions Chapter 6 Protection Disable Table 20 Protection Disable Settings Setting Prompt Setting Range Factory Default PROT INHIBIT TIME Off 1 240s Off OL INHIBIT TIME Off 1 240s Off ATTENTION The protection can be seriously jeopardized when either of the Inhibit A Time settings is used For most applications set the value of PROT INHIBIT TIME and OL INHIBIT TIME to Off You can disable Trip and Warning levels of preselected protection elements for a set time delay during motor Starting Set the Protection Inhibit Time for a delay to disable Undercurrent Short Circuit Current Imbalance Ground Fault and Underv
129. assword visible in the upper line of the display use the arrows to move the underline cursor to ACCEPT Press the Enter push button to accept the password shown in the upper line of the display If the password is correct the relay continues the task Press enter to continue your task If the password was incorrect the relay displays the message Invalid Password Press the Enter push button to return to your password entry Repeat Steps 1 9 until you enter the correct password When you have completed changing settings use the Main Menu command Reset Access Lvl described in the next section to reset the Access Level to Level 1 so that unauthorized access is prevented The access level will remain at Level 2 until the front panel backlight times out or the Reset Access Lvl command is executed Rockwell Automation Publication 825 UM004D EN P November 2012 39 Chapter3 Panel Operation Front Panel Main Menu All access to information and relay settings through the front panel starts at the relay main menu The remainder of this section describes the use of the main and lower level menus
130. at is not changing e CT RATIO 2nd CT RATIO MOTOR FLA 2nd MOTOR FLA MOTORLRC 2nd MOTORLRC MOTORLRT 2nd LOCKED ROTOR TIME ACCEL FACT 2nd ACCEL FACTOR e RUN ST TC 2nd RUN STATE TIME Figure 17 AC Connections for Full voltage Reversing Starter Li L2 L3 Converter Module 825 MCM2 825 MCM5 825 MCM20 825 MCM180 825 MCM420 825 MCM630N Y12 Y1 825 P Star Delta Starting The star delta application in the following figures requires the following auxiliary relay settings e AUX H 0001000 Star AUX FAIL SAFE AUX H 0000100 Delta AUX FAIL SAFE 28 Rockwell Automation Publication 825 UM004D EN P November 2012 Installation Chapter 2 Figure 18 AC Connections for Star Delta Starting Li L2 13 1 i 17315 At 4 e 1 A1 K2D EZF N 3 5 1 3 5 KE A A 4 6 4 6 325P U1 Converter Module Cat No 825 MCM2 Cat No 825 MCM5 Cat No 825 MCM20 Cat No 825 MCM180 Cat No 825 MCM420 Cat No 825 MCM630N Rockwell Automation Publication 825 UM004D EN P November 2012 29 Chapter2 Installation Figure 19 Control Connections for Star Delta Starting 0p S1E K1 K1 Contactor 1 On push button 50 Off push button H1 Indicator Contactor closed TR Main relay H3 Indicator Alarm Warning AUX1 Alarm relay NOTE For
131. ated Saturation Current 30 60 240 1350 3400 4600 Rated Frequency 50 60 Hz 3 Hz Voltage Input Option Card Rated Operating Voltage 67 300V AC line to line Operating Range 0 80 1 1U Rated Continuous Voltage 300V AC Rated Insulation Voltage Uj 300V AC Rated Impulse Strength Vimp 4kV Rated Frequency 50 60 Hz 3 5 Hz Transition Voltage 5 15V 20 79V PTCThermistor Input Type of Control Unit Mark Max No of Sensors in Series 6 Max Cold Resistance of PTC Sensor 1500 Q Chain Trip Resistance 3400 Q 150 0 Reset Resistance 1500 2 1650 Q Short Circuit Trip Resistance 250 100 Rockwell Automation Publication 825 UM004D EN P November 2012 187 Control Circuits Supply Rated Supply Voltage U 110 240V AC 110 250V DC 24 48V DC Operating Range 0 80 1 1 U 0 80 1 1 U Rated Frequency V AC 50 60 Hz 5 Hz Max Power Consumption AC 15VA DC 15 W Output Relays Type of Contacts Trip Form C DPDT Aux1 Aux 6 Form A SPDT NO Rated Insulation Voltage U 300V AC Rated Operating Voltage 240V AC Rated Impulse Strength 4kV Rated Thermal Current hhe 5A Rated Operating Current 120V AC 3A 240V AC 15A Contact Rating Designation B300 Utilization Category AC15 Contact Reliability 5mA 17V Mechanical Durability 10000 no load operations Pickup Time lt 10 Dropout Time lt 8 ms ty
132. automatically reduces the RTD Trip Temperatures for all winding RTDs when ambient temperature is above 40 C The relay reduces the trip temperatures by 1 C for each degree rise in ambient temperature over 40 Finally when you enable Thermal Model biasing the relay provides an RTD Bias Alarm when the RTD Thermal Capacity exceeds the thermal element Thermal Capacity by more than 10 percentage points while the winding temperature rise is higher than 60 C over ambient This alarm can be a useful indicator that the motor has lost coolant flow or that the winding RTD Trip Temperature is conservatively low For all the RTD Thermal Capacity and bias calculations described above the relay uses the winding RTD whose measured temperature is closest to its trip value The following information applies to relay models with voltage inputs Undervoltage Table 28 Undervoltage Settings Setting Prompt Setting Range Factory Default UV TRIP LEVEL Off 0 60 1 00 xVnm Off UV TRIP DELAY 0 0 120 05 0 0 UV WARN LEVEL Off 0 60 1 00 xVnm Off UV WARN DELAY 0 0 120 05 5 0 Rockwell Automation Publication 825 UM004D EN P November 2012 Configuring Protection amp Logic Functions Chapter 6 Overvoltage Table 29 Overvoltage Settings Setting Prompt Setting Range Setting Name Factory Default OV TRIP LEVEL Off 1 00 1 20xVnm Off OV TRIP DELAY 0 0 120 05 0 0 OV WARN LEVEL Off 1 00
133. ays reports Thermal Capacity 999 and Calculated Time to Thermal Trip s 9999 106 Rockwell Automation Publication 825 UM004D EN P November 2012 Metering amp Monitoring Chapter 7 The thermal meter function also reports the state of connected RTDs if any have failed Table 48 shows failure messages Table 48 RTD Input Status Messages Message Status Open RTD leads open Short RTD leads shorted Comm Fail Fiber optic communications to 825 PR12D Module have failed Stat Fail 825 PR12D Module self test status failure Power Measurement The 825 P uses the IEEE convention for power measurement assuming motor Conventions action The implications of this convention are shown in Figure 35 Figure 35 Complex Power Measurement Conventions Source Direction of Motor Bus Positive Real Power I lags V I lags V Minn Q VAP Power Into Motor PF LAG P W leads V I leads V W W VAR VAR LEAD PF LAG In the 825 P reported positive real power is always into the motor Rockwell Automation Publication 825 UM004D EN P November 2012 107 Chapter7 Metering Monitoring Motor Operating Statistics 108 The 825 P retains useful machine operating statistics information regarding the protected motor NOTE While the relay power is off the elapsed timers do not advance If relay power is off for a significant amount of time the elapsed calendar time does not match th
134. ceive years of trouble free motor protection Use the following guidelines for proper physical installation of the 825 P Physical Location You can mount the 825 P in a sheltered indoor environment a building or an enclosed cabinet that does not exceed the temperature and humidity ratings for the relay The relay can be mounted indoors or in an outdoor extended enclosure where the relay is protected against exposure to direct sunlight precipitation and full wind pressure but neither temperature nor humidity are controlled Refer to Appendix Specifications for environmental ratings Relay Mounting To flush mount the 825 P in a panel cut a rectangular hole with the dimensions shown in Figure 2 Figure 2 Relay Mounted In a Panel Legend mm m amp Mounting Panel maximum thickness 6 5 mm Q 8 x 1 2 inch mounting screw Torque specification 0 9 1 3 N m 8 12 Lb in 9 Gasket EN 147 4 5 80 20 8 0 82 Rockwell Automation Publication 825 UM004D EN P November 2012 17 Chapter2 Installation Rear Panel Connections Rear Panel Diagram The physical layout of the connectors on the rear panel of a fully configured 825 P is shown in Figure 3 Figure 3 Rear Panel Layout Factory Factory Ground Configured Configured Screw Converter Module Input WIRE STRIP GUIDE Current Transformer 190301101 187 0138 TES I
135. cess levels where the command is available in parentheses Explanation of the command use or response For example issue the DATE command from serial port Access Level 1 or 2 ACC and 2AC Level 1 or 2 The ACC and 2AC commands provide entry to the multiple access levels Different commands are available at the different access levels as shown in Table 99 Commands ACC and 2AC operate similarly e ACC command moves the relay from Access Level 0 to Access Level 1 or Access Level 2 to Access Level 1 2AC command moves the relay from Access Level 1 to Access Level 2 The relay is shipped from the factory with the Access Level 1 and Access Level 2 passwords disabled See PASSWORD Level 1 or 2 on page 170 for information on Access Level 1 and Access Level 2 password protection The relay sets the SALARM Relay Word bit for one second after a successful move to Access Level 2 ANALOG Level 2 Use the ANALOG p t command to test the relay analog current output When you use this command the relay ends normal analog current output and sends a signal defined by the percentage value p 0 100 for t minutes t 1 10 minutes For example when the analog output signal type is 4 20 mA the command 75 5 5 instructs the relay to output 16 mA 75 of full scale for 5 5 minutes or until a character or space key is pressed to end the test You can also use the ANALOG command to generate a current signal that increases
136. circuit breaker and stopping the motor For more details refer to Chapter 6 Configuring Protection amp Logic Functions STR Level 2 The STR START command initiates a motor start using the relay s internal logic For more details refer to Chapter 6 Configuring Protection amp Logic Functions SUMMARY Level 1 or 2 The SUM 2 command displays a summary list in reverse chronological order of all the archived event summary reports maximum of five events An example event summary report is in Figure 61 Each event summary report shows the date time current magnitudes primary values and if the relay has the voltage option voltage magnitudes primary values The current and voltage values are at the trigger instant The event summary report also shows the event type e g OVERLOAD TRIP The z parameter with the SUM z command can have a value up to 5 and defines the number of events requested If z is not specified then up to five of the most recent reports are listed For more information on events refer to Chapter 8 Analyzing Events Rockwell Automation Publication 825 UM004D EN P November 2012 177 Chapter12 ASCII Serial Communications Figure 61 SUMMARY Command Example gt gt SUM 2 825 P Modular Date 02 04 2003 Time 17 20 46 439 Prot System Event 1 Event OVERLOAD TRIP Event Date 01 29 2003 Event Time 14 14 01 930 L2 L3 CURRENT MAG A 42 8 1 8 2 Event 2 Event OVERLOAD TRIP
137. cks on the associated circuits Apply AC or DC control voltage to the relay After the relay is energized the front panel green ENABLE LED illuminates Connect a PC to the relay using an appropriate serial cable Start the MPS Explorer software and establish communication with the relay Set the correct relay time and date using either the front panel or MPS Explorer software Enter the relay settings for your application 10 If you are connecting an external RTD scanner follow the substeps below otherwise continue with Step 11 a Connect the fiber optic cable to the module fiber optic output b Plug the relay end ofthe fiber optic cable into the relay fiber optic input Verify the relay AC connections Rockwell Automation Publication 825 UM004D EN P November 2012 Testing amp Troubleshooting Chapter 11 12 Connect the AC test source current or voltage transformers to the relay side of the open breaker or contactor NOTE If voltage transformers are used Apply the AC voltage signal to the relay side of an open disconnect block which is located between the secondary side of the voltage transformer and the relay If the relay is set to accept phase to ground voltages DELTA_Y Wye Set current and or voltage phase angles as shown in Figure 48 If the relay is set to accept delta voltages DELTA_Y Delta Set the current and or voltage phase angles as shown in Figure 49 13 Apply th
138. collected can be exported for analysis in other software such as Microsoft Excel Graphical output ranging from pilot lights to gauges and time plots can be modified for a specific application MPS Explorer software is available for download at http ab rockwellautomation com Circuit and Load Protection Motor Protection Bulletin 825P tab4 To install the software download the Windows Installer Package file msi and follow the prompts to the MPS Explorer Wizard The communications settings can be accessed from the MPS gt Communications Settings menu When configuring these settings it is critical that they match the settings on the front panel of the 825 P for Port F Bits Per Second 9600 y Auto Detect on Connect Restore Defaults Rockwell Automation Publication 825 UM004D EN P November 2012 51 Chapter5 Using MPS Explorer Connection Access Level Data Management 52 Once the communication settings have been configured and the 825 P is connected via the serial port connection can be established To connect to the 825 P navigate to the MPS gt Connect or click the 4 If the settings are correct the access level dialog box will appear Access Level 0 There is no access to MPS data It is used to manually log off and prevent settings from being changed or monitored Access Level 1 This level allows only monitoring of parameter and metering values Access Level 2 Full access to the
139. cs of the motor that is connected to the 825 P relay Newer firmware versions R107 display the trip and alarm accumulators Motor Operating Statistics Report Operating Since 08 22 2012 Elapsed Time 07 05 18 Running Time 0 00 00 Stopped Time gt 2 01 52 Time Running Number of Starts Emergency Starts Rockwell Automation Publication 825 UM004D EN P November 2012 Using MPS Explorer Chapter 5 SER Serialized Events Recording The Serialized Events Recording function displays the ongoing events that can be sorted by date time element or state Serialized Events Recording Dialog buttons function as follows Exit Close the dialog window All data that was acquired will be lost Refresh Acquire a list of events based upon the contents of the range edit boxes 1 Box 2 Data Acquired Empty Empty All Events Number Number Events between and including number limits Number Empty Events starting with the number entered through most recent event Date Date Events between and including date limits Date Empty Events starting with the date entered up to the most recent event Clear Device Physically clear the serialized events from the 825 P This cannot be recovered Export CSV Export the data in the list to Comma Separated Value file STA Relay Status The Relay Status function displays the hardware status including the option cards and DeviceNet status If the hardware config
140. ction System Back Panel View 2 KE G Communication Expansion Slot Rockwell Automation Publication 825 UM004D EN P November 2012 113 Chapter9 825 PDN DeviceNet Communication Card Figure 39 825 PDN Component Overview NI Table 51 Part Descriptions Part Description O DeviceNet Connector Accepts a 5 pin linear DeviceNet plug O Bus Status LED Status indicator for backplane communications Network Status LED Status indicator for DeviceNet communications Node Address Switch Rotary switch for setting the most significant digit MSD of node address Node Address Switch Rotary switch for setting the least significant digit LSD of node address Q Data Rate Switch Rotary switch for selecting the DeviceNet data rate at which the card communicates 114 Rockwell Automation Publication 825 UM004D EN P November 2012 825 PDN DeviceNet Communication Card Chapter 9 Features The 825 P DeviceNet Communication Card features the following The card receives the required power from the DeviceNet network Rotary switches let you set the node address and network data rate prior to mounting in the 825 P Modular Protection System and applying power Alternatively the switches can be set to positions that allow for configuration of these settings over the DeviceNet network utilizing a network configuration tool such as RSNet
141. d Power Factor Measuring Accuracy The following tests assume use of an MCM2 MCMS or MCM20 converter module Wye Connected Voltages Perform the following steps to test wye connected voltages 1 Connect the current source to the MCM module as shown in Figure 50 2 Connect the voltage source to the 825 P as shown in Figure 51 Make sure that Xfmt Connection Wye Figure 51 Wye Voltage Source Connections 1 VA VB L2 Voltage Test 825 P Source VC L3 VN 3 Using the front panel SET SHOW or MPS Explorer software record the Phase CT Ratio Phase VT Ratio and Phase Rotation setting values Apply the current and voltage quantities shown in Column 1 of Table 87 Values are given for Phase Rotation ABC and Phase Rotation ACB 5 Use the front panel METER function or MPS Explorer software to verify the results Rockwell Automation Publication 825 UM004D EN P November 2012 153 Chapter 11 Testing amp Troubleshooting 154 Table 87 Power Quantity Accuracy Wye Voltages Applied Currents and Real Power Power Factor Voltages kW Reactive Power kVAR pf PHROT ABC Expected Expected Expected la 25 4 26 P pf Ib 2 5 7 146 0 4523 PTR 0 2211 PTR 0 90 lag 2 5 7494 67 Z0 Measured Measured Measured Vb 67 Z 120 67 4 120 Expected Expected Expected la 2 5 4 26 P Q pf
142. d to Apply the Configuration Download from the MPS Explorer software to the device while the 3 button is used to Get MPS Settings Upload the current hardware settings from the device to the software After the device has been connected to MPS Explorer the screen will indicate the status of each setting An active setting will be displayed in black while an inactive setting will be Rockwell Automation Publication 825 UM004D EN P November 2012 Using MPS Explorer Chapter 5 Save Open Configuration Files Button Summary grayed When a change to an individual setting is made an asterisk will appear before the short name The software allows the user to save configured parameter values to local disk drives This option can be used to backup configurations and reduce engineering time when working with multiple relays all requiring similar settings To save the configuration to a local disk click the el button or navigate to File gt Save Configuration A dialog box will appear prompting the user to specify a target location and name to save the file To open a previously saved configuration click the button or navigate to File gt Open Configuration File The opened file will only display the parameters on the screen and will not be changed on the device until they are downloaded MPS Explorer software incorporates a large number of functions displayed on the toolbar File View MPS Help te oto A o I 8
143. d with default factory settings Calculate the settings for your motor to ensure secure and dependable protection Figure 27 shows a front panel menu navigation example to enter the Phase Rotation ABC ACB setting Rockwell Automation Publication 825 UM004D EN P November 2012 41 Chapter3 Panel Operation Figure 27 Front Panel Setting Entry Example Main Menu Meter Events A Press to move P Motor Monitor gt within the list Targets Status Press to select an Reset TCU underlined menu item Set Show Menu 10 ASSIGN Press to return to the previous list DATE TIME PASSWORD pes RELAY Menu Main Settings Overload Set ront Panel Set O n e isplay Enable mom m M m m mm m m mmm dni UNIT ID LN 2 PH ROTATION 4 RATED FREQ LINE VOLTAGE I XFMR CON PHASE ROTATION Menu PHROT ABC 5 42 Rockwell Automation Publication 825 UM004D EN P November 2012 Setting Entry Error Messages Front Panel Operation Chapter 3 As you enter relay settings the relay checks the setting entered against the settings own range as published on the relay setting sheet If an entered setting falls outside its range the relay immediately responds with the message Out of Range and prompts you to reenter the setting In addition to the immediate range check several of the settings have interdependency checks with other sett
144. e A NA AAA 13 Options Accessofles 22d vipera ada 14 Bpplications barda 15 Chapter 2 Relay QE VEN PE Edad 17 Physical Location aid tia 17 Relay Mounting 17 Rest Panel Connections ausus ed adn aod da area cdi a ducat 18 Rear Panel Ds 18 Top Panel Diari ori 19 Power Connector 19 Pp ur P 20 AC Control Connection Diagrams 21 Fail Safe Non Fail Safe Tripping eror Ert rr 21 Converter Module Connection 23 Core Balance Current Transformer Connections 24 Voltage Connections viii adriana 25 Full Voltage Non Revetsing Starter 26 Full Voltage Reversing cid 28 Starting 28 Two Speed Motor oen a 30 Field Serviceability ai EE A EROR US CES 31 Fuse Replacement iii VRAC ER E a 32 Real Time Clock Battery 8 32 Chapter 3 Front Panel ORE PAAR ad Rx Pd QAAE ESEA 33 Normal Front Panel Display 33 Front Panel Automatic Messages 34 Front Panel Menus and Operations corria traia 35 Front Panel Security ida 37 Front Panel Main Menu acosa rada 40 View or Change Settings Using the Front 41 Setting Entry Error EE 43 Rockwell Automation Publication 825 UM
145. e Instructions Chapter 13 d Enter Access Level 2 e Issue STATUS command and verify that the relay status is OK f Set the relay clock and calendar using the DATE and TIME commands g Set the Relay and Port settings using the following commands SET SET M and SET P h Set the relay passwords with the PAS command Set the communications software settings baud rate number of data bits number of stop bits to agree with the port settings of the 825 P Issue the STATUS command and then verify that all relay self test results are OK Apply current and voltage signals to the relay Issue the METER command and then verify that the current and voltage signals are correct The relay is now ready for your commissioning procedure Rockwell Automation Publication 825 UM004D EN P November 2012 185 Chapter13 Firmware Upgrade Instructions 186 Rockwell Automation Publication 825 UM004D EN P November 2012 Appendix A e ge e Specifications Electrical Ratings Main Circuits 825 Converter Module MCM2 MCM5 MCM20 MCM180 MCM420 MCM630N 825 MCM Converter Modules Rated Operating Voltage U IEC 400 V AC 690V AC 1 000V AC CSA UL 240V AC 600V AC 600V AC Rated Impulse Strength Vimp 25kV 6kV 8kV Operating Current Range A 0 5 2 5 1 5 2 5 20 20 180 160 420 160 630 rd Continuous Thermal Current 3 6 24 216 504 756 R
146. e Star Delta you must assign Star and Delta to Auxiliary output relays one each The 825 P issues the command to switch from Star to Delta Wye to Delta as soon as the starting current has dropped to the rated value and the motor has reached its normal speed in Star Wye If starting has not been completed within the normal time for this application Max Star Time setting if used the relay makes the change to delta regardless of the speed attained You can switch the maximum permissible time for star wye operation on or off If it is off the change to delta is made solely based on the motor current If the motor has to be switched off when the total start time Star and Delta exceeds a set time the Start Monitoring must also be used Rockwell Automation Publication 825 UM004D EN P November 2012 Configuring Protection amp Logic Functions Chapter 6 Start Inhibit Phase Reversal Protection Table 23 Start Inhibit Settings Setting Prompt Setting Range Factory Default STARTS HR Off 1 15 Off MIN OFF TIME Off 1 150 min Off RESTART BLK TIME Off 1 60 min Off When the protected motor is rated for a specific maximum number of starts per hour or minimum time between starts set the Starts Hr and Min Off Time settings accordingly If the maximum number of starts per hour is achieved and the motor stops or is tripped the relay asserts the Trip output contact to prevent an additional start until 60 minu
147. e data acquisition screen If data is being acquired via the Start button it will stop automatically when the window is hidden Export CSV Export the data in the list to Comma Separated Value file csv for external analysis If rows are selected a prompt will be displayed asking to save all rows or just the selection NOTE To conserve program memory only the last 500 rows will be displayed on the screen at a time All data will be placed into a temporary file 58 Rockwell Automation Publication 825 UM004D EN P November 2012 Using MPS Explorer Chapter 5 Data Visualization Trending _MPS Explorer MPS Help m by Fe ta YA MPS Data Visualization and Trending allow the user to configure the display with specific metering data as well as Relay Word Bits that are then mapped to graphs gauges and bit indicators so that parameters can be monitored visually Each indicator auto scales to provide the best fit for the data for easy viewing The MPS Trending window is independent of the main application window which allows the user to switch back and forth without closing a window The user can display Current Average Magnitude Average Line Angle Imbalance Voltage Angle Imbalance Magnitude e Frequency e Ground Fault Current Core Balance Residual e Motor Load Power Apparent Reactive Real Power Factor Temperature Ambient Bearing Rise Winding Thermal Capacity Used
148. e delay setting the relay can issue a warning or trip signal The power factor elements are disabled when the motor is stopped or starting Power factor elements can be used to detect synchronous motor out of step or loss of field conditions Refer to Power Measurement Conventions on page 107 for the relay power measurement convention Rockwell Automation Publication 825 UM004D EN P November 2012 Configuring Protection amp Logic Functions Chapter 6 For application on an induction motor it is recommended that the installer disable the elements by setting all four Power Factor Level settings to Off Frequency Table 33 Frequency Settings Setting Prompt Setting Range Factory Default FREQ1 TRIP LEVEL Off 55 0 65 0 Hz Off FREQ1 TRIP DELAY 0 0 240 05 0 0 FREQ WARN LEVEL Off 55 0 65 0 Hz Off FREQ WARN DELAY 0 0 240 05 0 0 FREQ2 TRIP LEVEL Off 55 0 65 0 Hz Off FREQ2 TRIP DELAY 0 0 240 05 0 0 FREQ2 WARN LEVEL Off 55 0 65 0 Hz Off FREQ2 WARN DELAY 0 0 240 05 0 0 NOTE The setting range for Trip and Warn Levels shown in Table 33 are for Rated Freq 60 Hz The setting ranges are Off 45 0 55 0 Hz when Rated Freq 50 Hz The 825 P provides two warning and two trip overfrequency or underfrequency elements with independent level and time delay settings When an element level setting is less than the Nominal Frequency setting the element operates as an underfreq
149. e elapsed time recorded by the relay The motor operating statistics include motor operating history such as time running time stopped percent time running of total time number of starts and number of emergency starts Rockwell Automation Publication 825 UM004D EN P November 2012 Chapter 8 Overview Event Summary Reports Analyzing Events The 825 P relay provides several facilities to analyze the cause of relay trip operations Use these tools to help diagnose the cause of the relay trip operation and more quickly restore the protected motor to service Each tool listed below provides increasing detail regarding the causes of a relay operation e Event Summary Reports Serialized Events Recording Each time the 825 P trips and in response to other selected conditions it captures motor current and voltage if included This collection of data is called an event summary report This section explains what causes the relay to save an event summary report and what the event summary data means The relay stores the five most recent event summary reports in nonvolatile memory These reports are numbered 1 through 5 When the relay stores a new report it discards the oldest report if five reports are already in memory Use the event summary data to help discern the cause of relay trip operations View the present collection of event summary reports using the front panel Events menu selection or the serial port Each e
150. e loaded into the MPS Explorer again Problem Start button has been pressed in the Trending window but the indicators are not updating Solution Notall of the data available in the Trending Settings dialog is available from the hardware at all times Hardware and parameter settings will dictate which data is currently being acquired To verify whether the data is available Start the Trending and open the corresponding MET RTD or TAR window to observer the data that is available there Problem date and or time is wrong in the metering and trending screens Solution date time displayed on these screens is the date time set in the hardware To change this time use the Date Time dialog Rockwell Automation Publication 825 UM004D EN P November 2012 63 Chapter5 Using MPS Explorer 64 Rockwell Automation Publication 825 UM004D EN P November 2012 Overview Chapter 6 Configuring Protection amp Logic Functions This chapter describes configuring the 825 P relay settings for motor protection basic functions I O mapping and communications NOTE Each 825 P is shipped with default factory settings Calculate the settings for your motor to ensure secure dependable protection This chapter includes the following subsections Application Data information that is required about the protected motor before calculating the relay settings Main Settings settings that configure the relay inputs t
151. e rated current NOTE If current transformers are used Apply the AC current signal to the converter s module side of an open CT shorting disconnect block which is located between the secondary side of the current transformer and the MCM converter module 14 If the relay is equipped with voltage inputs apply rated voltage for your application 15 Use the front panel METER VALUES gt INSTANTANEOUS METER function or serial port METER command to verify that the relay is measuring the magnitude and phase angle of both voltage and current correctly Take into account the relay PTR and CTRI settings and the fact that the quantities are displayed in primary units 16 Ifyou are using a core balance current transformer apply a single phase current A Phase as described in Step 11 Do not apply voltage 17 Verify that the relay is measuring the magnitude and phase angle of the GF Current Core Balance correctly The expected magnitude is Applied Phase Current CTRN The expected phase angle is zero Figure 48 Three Phase Wye AC Connections A 120 PHROT ABC J 120 PHROT ACB Vg Vc When setting Phase Rotation ABC set angle Va angle 0 set angle Vy angle lp 120 set angle V angle 120 When setting Phase Rotation ACB set angle Va angle 0 set angle V angle ly 120 set angle V angle 120 Rockwell Automation Publication 825 UM004D EN P November 201
152. ectronic Data Sheets 242 Product Codes 242 DeviceNet Objects 242 Identity Objects CLASS CODE 0x0001 243 Message Router CLASS CODE 0x0002 244 DeviceNet Object CLASS CODE 0x0003 244 Assembly Object CLASS CODE 0x0004 245 Custom Parameter Based Input Produced Assembly Instance 100 246 Standard Input Produced Assemblies 247 Standard Output Consumed Assemblies 250 Connection Object CLASS CODE 0x0005 251 Discrete Input Point Object CLASS CODE 0x0008 254 Discrete Output Point Object CLASS CODE 0x0009 255 Discrete Output Point Object Special Requirements 256 State Transition Diagram 256 Parameter Object CLASS CODE 0x000F 257 Parameter Group Object CLASS CODE 0x0010 258 Discrete Output Group Object CLASS CODE 0x001E 259 Control Supervisor Object CLASS CODE 0x0029 261 Acknowledge Handler Object CLASS CODE 0x002b 261 Overload Object CLASS CODE 0x002c 262 DeviceNet Interface Object CLASS CODE 0x00B4 262 Rockwell Automation Publication 825 UM004D EN P November 2012 241 ChapterE DeviceNet Information Electronic Data Sheets Product Codes DeviceNet Objects 242 Electronic Data Sheet EDS files are specially formatted ASCII files that provide all of the information necessary for a configuration tool e g RSNetWorx for DeviceNet to access and alter the parameters of a device The EDS file contains all the parameter information of a device number of parameters groupings parameter name min max and defau
153. elay settings are correct It is not necessary to test every element timer and function in these tests The following procedure is a guideline to help you enter settings into the 825 P and to verify that it is properly connected Modify the procedure as necessary to conform to your standard practices Use this procedure at initial relay installation you do not need to repeat it unless major changes are made to the relay electrical connections Required Equipment Before proceeding with commissioning tests ensure the following equipment is present and properly installed as stated 825 P Relay installed and connected according to your protection design Rockwell Automation Publication 825 UM004D EN P November 2012 147 Chapter 11 148 Testing amp Troubleshooting PC with Serial Port MPS Explorer software and serial communication cable Terminal Emulation Software Serial Communication Cable AC and DC Elementary Schematics Wiring Diagrams for this relay installation Continuity Tester Protective Relay AC Test Source Minimum single phase voltage and current with phase angle control Preferred three phase voltage and current with phase angle control Procedure 11 Remove the control voltage and AC signals from the 825 P by opening the appropriate breakers or removing fuses Isolate the relay trip contact Verify the correct AC and DC connections by performing point to point continuity che
154. er leads The maximum current rating for the power disconnect circuit breaker or overcurrent device fuse must be 20 A Be sure to locate this device within 3 0 m 9 8 ft of the relay Operational power is internally fused by power supply fuse See Field Serviceability on page 31 for details Be sure to use fuses that comply with IEC 127 2 Rockwell Automation Publication 825 UM004D EN P November 2012 19 Chapter 2 Installation 20 110 240V AC 24 48V DC or 110 250 V DC 1 0 Diagram A more functional representation of the control I O connections are shown in Figure 5 Figure 5 Control 1 0 Connections in Powered Down State 24 or 120V AC V 24V AC V DC aie F O Cable e to RTD Scanner 1 45 9 Pig 9 H 4 9 lt gt 19 ail vas vo4 vo2 via vi2 95 13 23 33 43 53 72 xO PS 2 2 Aux2 Aux3 Aux4 Aux5 Aux6 825 P Relay Alarm mI o d A2 Yo Yi 98 14 24 34 44 54 64 BK SH RD S IN lt V CANL Drain CANH V 24 or 120V ACI V 24V AC V DC lt t DeviceNet Cable See Table 44 for control function assignment to the input IN1 and IN2 Connect the appropriate external contacts 1 and 2 to the inputs Inpu
155. er supply lt 5 2V No Not Latched 24 8V 156 Rockwell Automation Publication 825 UM004D EN P November 2012 Testing amp Troubleshooting Chapter 11 Table 89 Relay Self Tests Sheet 2 of 2 Protection Disabled on Critical Front Panel Message Self Test Description Limits Failure Alarm Status on Failure 5V Fail Measure 5V power supply 54V Yes Latched 5V FAIL gt 4 65V 2 5V Warn Measure 2 5V power supply lt 2 60V No Not Latched gt 2 42V 2 5V Fail Measure 2 5V power supply lt 2 68V Yes Latched 2 5V FAIL gt 2 32V 3 75V Warn Measure 3 75 power supply lt 3 90V No Not Latched gt 3 60V 3 75V Fail Measure 3 75 power supply lt 4 02V Yes Latched 3 75V FAIL gt 3 48V 1 25V Warn Measure 1 25V power supply gt 1 27V No Not Latched lt 1 20V 1 25V Fail Measure 1 25V power supply 2 1 3V Yes Latched 1 25V FAIL 1 16V 5V Warn Measure 5V power supply gt 5 2V No Not Latched lt 4 8V 5V Fail Measure 5V power supply gt 5 4V Yes Latched 5 FAIL 4 65V CT Board A D Fail Check received data Yes Latched CT BOARD ADC FAILURE PT Board A D Fail Check received data Yes Latched PT BOARD ADC FAILURE Clock Battery Warn Check battery voltage level lt 2 7 Not Latched CLOCK BATTERY WARN RTC Chip Unable to communicate with clock or fails time No Not Latched RTC WARN keeping test Temperature Warn Measure inte
156. ering Data Max Winding RTD deg Max Bearing deg Ambient deg Other RID deg I deg 10 deg C 11 deg C 12 deg F Motor Load x le Y Thermal Capacity Used X RTO xTCU Y Thermal Trip In sec ime to A Rockwell Automation Publication 825 UM004D EN P November 2012 57 Chapter5 Using MPS Explorer TAR Display Target Words The Display Target Words function shows the status of relay elements and is independent from the main window To view the full bit description place the cursor over any masked heading E Display Relay Word Date 08 29 2012 08 29 2012 08 29 2012 08 29 2012 08 29 2012 08 29 2012 08 29 2012 06 29 2012 08 29 2012 08 29 2012 08 29 2012 08 29 2012 Dialog buttons function as follows Start Begin data collection based on the contents of the Times and Interval boxes Times Interval Action Empty Empty Poll Row as fast as possible until Stop button is clicked Empty Number Poll Row at every time interval until Stop button is clicked Number Empty Poll Row as fast as possible until Times number of sets have been acquired Number Number Poll Row at every time interval until Times number of sets have been acquired Stop Stop collecting data at any time Show all Display every row sequentially one time Clear Clear the list contents on the screen Exit Hide th
157. ering function describes the monitoring functions Chapter 8 Analyzing Events Describes front panel LED operation trip type front panel messages event summary data standard event reports and Serialized Events Recording SER report Chapter 9 825 PDN DeviceNet Communication Card Describes the communication features supported by the 825 P DeviceNet option card Chapter 10 Modbus RTU Communications This chapter describes the communications features supported by the 825 P Modbus RTU Option Card Chapter 11 Testing amp Troubleshooting Describes protection element test procedures relay self test and relay troubleshooting Chapter 12 ASCII Serial Communications Describes the serial port commands supported by the 825 P Chapter 13 Firmware Upgrade Instructions Describes the process to upgrade the firmware for the 825 P Rockwell Automation Publication 825 UM004D EN P November 2012 11 Preface Conventions e Appendix A Specifications Provides detailed specification and certification information for all components of the 825 P Modular Protection System e Appendix B Parameter List Describes the available parameters for the 825 P e Appendix C Relay Word Bits Lists and describes the Relay Word bits e g real time status of relay I O protection functions e Appendix D ASCII Port Relay Command Summary Briefly describes the serial port commands that are fully described in Chapter 12 ASCII Serial Communication
158. erved for future use Reserved for future use Reserved for future use 5 49A 7 Thermal Overload Alarm Assert when the relay issues a thermal element alarm warning because of locked rotor starting or running overload conditions LOSSALRM 6 Load Loss Alarm Warning Assert when the relay detects a load loss as defined by that function and its settings JAMALRM 5 Load Jam Alarm Warning 236 Rockwell Automation Publication 825 UM004D EN P April 2012 Relay Word Bits Chapter Table 112 Relay Word Bit Definitions for the 825 P Sheet 3 of 4 Row Bit Definition 46UBA 4 Phase Current Unbalance Alarm Assert when the relay issues an alarm warning in response to a current unbalance condition as defined by that function and its settings RTDA 3 Winding Bearing RTD Overtemperature Alarm Warning 55 2 Power Factor Alarm Assert when the relay issues a power factor element alarm warning 50N2T 1 Definite Time Neutral Core Balance Overcurrent Warning Level 50G2T 0 Definite Time Residual Overcurrent Warning Level 6 VARA 7 Reactive Power Alarm Assert when the relay issues a reactive power element alarm warning 37PA 6 Underpower Alarm Assert when the relay issues an underpower element alarm warning 27P2T 5 Phase Undervoltage Alarm Warning Definite time delayed 59P2T SPDSAL 81D1A 81D2A OTHALRM 7 AMBALRM SALARM WARNING LOADUP LOADLOW TIMERTT TIMER2T 50P2T Phase Overvoltage Alarm Warning Definite time delayed
159. est to send 8 CTS Clear to send Configure Your Terminal Emulation Software Personal computers use terminal emulation software to send and interpret received characters at the ELA 232 serial port This software allows you to type letters and numbers to form commands at the computer keyboard and to see the characters you type and the relay responses on the computer screen To ensure the PC communicates correctly with the relay configure the terminal emulation software connection properties to match the relay serial port configuration Configure the terminal emulation software to match the default settings shown in Table 96 For the best display use V T 100 terminal emulation If V T 100 is not available WYSE 100 and ANSI terminal emulations also work Table 96 825 P Relay Serial Communications Default Settings Setting Default Speed bps 9600 Data Bits 8 Parity N Stop Bits 1 Flow Control XON XOFF software flow control To change the port settings use the front panel SET SHOW gt PORT settings menu item The 825 P provides settings that allow you to configure the communication parameters for the front panel serial port The front panel serial port supports only ASCII communications Rockwell Automation Publication 825 UM004D EN P November 2012 163 Chapter 12 ASCII Serial Communications 164 Table 97 Front Panel Serial Port Settings Setting Prompt Setting Range
160. et 406 40307 RUNNING TIME dd 0 65535 1 Get 407 40308 STOPPED TIME mm 0 59 1 Get 408 40309 STOPPED TIME hh 0 23 1 Get Motor 409 40310 STOPPED TIME dd 0 65535 1 Get Statistics 410 40311 96 TIME RUNNING 0 1000 10 Get 411 40312 STARTS COUNT 0 65535 1 Get 412 40313 EMER START COUNT 0 65535 1 Get 413 40314 LAST RST TIME ss 0 5999 1 Get 414 40315 LAST RST TIME mm 0 59 100 Get 415 40316 LAST RST TIME hh 0 23 1 Get 416 40317 LAST RST DATE dd 1 31 1 Get 417 40318 LAST RST DATE mm 1 12 1 Get 418 40319 LAST RST DATE yr 2000 9999 1 Get Rockwell Automation Publication 825 UM004D EN P April 2012 229 ChapterB Parameter List Group DeviceNet oles aka Parameter Name Min Max Default Sae Units Access Param Read 0x03h Write 0x06h Factor 419 40320 NO EVENT LOGS 0 5 1 Get 420 40321 400321 EVENT LOG SEL 0 5 1 Get Set 421 40322 EVENT TIME ss 0 5999 1 Get 422 40323 EVENT TIME mm 0 59 100 Get 423 40324 EVENT TIME hh 0 23 1 Get 424 40325 EVENT DAY dd 1 31 1 Get 425 40326 EVENT DAY mm 1 12 1 Get 426 40327 EVENT DAY yy 2000 9999 1 Get 42 40328 EVENT TYPE 0 No Trip Get 1 0verload Trip 2 Lockd Rotor Trip 3 Undercurr Trip 4 Jam Trip 5 Curr Imbal Trip 6 Short Ckt Trip 7 Ground Flt Trip 8 Speed Sw Trip 9 Undervo
161. et Set 290 40191 400191 LD CTL PWR LOWER 1 25000 12500 1 kW Get Set 291 40192 400192 LD CTL TCU LOWER 1 99 90 1 96TCU Get Set Rockwell Automation Publication 825 UM004D EN P April 2012 209 ChapterB Parameter List Group DeviceNet Parameter Name Min Max Default Units Access Param Read 0x03h Write 0x06h Factor 292 40193 400193 ANALOG OUT SEL 0 Load 0 Get Set 1 Therm 2 Wdg_RTD 3 Brg_RTD 4 PF 5 Pwr_kW 6 7 293 40194 400194 TRIP INHIBIT 0 Curr Imbalance 0 m Get Set 1 Jam 0 2 Ground Fault 0 1 0 Settings 3 Short Circuit 0 4 Undercurrent 0 5 Start Inhibit 0 6 PTC 0 7 RTD 0 294 40195 400195 RELAY BEHAVIOR 0 Trip Fail Safe 1 Get Set 1 Aux Fail Safe 1 2 2 Fail Safe 1 3 Aux3 Fail Safe 1 4 Aux4 Fail Safe 1 5 Aux5 Fail Safe 1 6 Aux6 Fail Safe 1 295 40196 400196 ON DELAY 1 0 240 0 1 Timer 296 40197 400197 OFF DELAY 1 0 240 0 1 Get Set Settings 297 40198 400198 ON DELAY T2 0 240 0 1 s Get Set 298 40199 400199 OFF DELAY T2 0 240 0 1 Get Set 299 40200 400200 LCD TIMEOUT 0 Off 30 0 1 min Get Set 300 40201 400201 LCD CONTRAST 1 8 0 1 Get Set 301 40202 400202 DISPLAY ENABLE 0 Time amp Date 0 Get Set 1 Ground Current 0 Front Panel 2 Curr Imbalance 0 Set 3 Frequency 0 4 Therm Cap Used 0 5 Volt Imbalance 0 6 Power 0 7 RID Temp 0 210 Roc
162. et Set Idle Action BOOL 0 Fault Value attribute 1 Hold Last State 10 Get Set Idle Value BOOL 0 0FF 1 0N 113 Get Set Pr Fault Action BOOL 0 Fault Value attribute 1 Hold Last State 114 Get Set Pr Fault Value BOOL 0 0FF 1 0N 260 The following common services are implemented for the Discrete Input Group Object Rockwell Automation Publication 825 UM004D EN P April 2012 DeviceNet Information Chapter E Implemented for Service Code Service Name Te SU OxOE No Yes Get Attribute Single 0x10 No Yes Set Attribute Single Control Supervisor Object 2 No class attributes are supported CLASS CODE 0x0029 Only Instance 1 of the Control Supervisor Object is supported The following instance attributes are supported Attribute ID Access Rule Name Data Type Value 10 Get Tripped BOOL 11 Get Warning BOOL 12 Get Set Fault Reset BOOL 0 gt 1 Trip Reset The following common services are implemented for the Control Supervisor Object Implemented for Service Code Service Name te NN OxOE No Yes Get Attribute Single 0x10 No Yes Set Attribute Single Acknowledge Handler No class attributes are supported for the Acknowledge Handler Object Object CLASS CODE Only Instance 1 of the Acknowledge Handler Object is supported The 0x002b following instance attributes are supported Attribute ID Access Rule Name Data Type Value 1 Get Set Acknowledge Timer UINT milliseconds 2 Get Retry Limit USIN
163. et Set Node Address USINT 0 63 2 Get Set Baud Rate USINT 0 125K 1 250K 2 500K 5 Get Allocation Info Structure of Allocation Choice BYTE Allocation_byte Master Node Addr USINT 0 63 address 255 unallocated 8 Get MAC ID Switch Value USINT 0 63 244 Allocation_byte Bit 0 Explicit messaging Bit 1 Polled I O Bit 4 COS I O Bit 5 Cyclic I O Bit 6 Acknowledge Suppression The following services are implemented for the DeviceNet Object Rockwell Automation Publication 825 UM004D EN P April 2012 DeviceNet Information Chapter E Implemented for Service Code SSS Service Name Class Instance OxOE Yes Yes Get Attribute Single 0x10 No Yes Set Attribute Single Ox4E No Yes Allocate Master Slave Connection Set 0x4C No Yes Release Master Slave Connection Set Assembly Object CLASS The following class attributes are supported for the Assembly Object CODE 0x0004 All of the various instances of the assembly object supports attribute 3 Data Details about the specific content of the data attribute for each of the instances is described after the following summary Assembly Object Instance table Instance Type Description 2 Consumed Required ODVA Consumed Instance 50 Produced Required ODVA Produced Instance 51 Produced ODVA Starter 100 Produced Custom Parameter Based Word Wise Assembly 101 Produced 825 Average Current Overload 102 Produced 825
164. etting Prompt Setting Range DeviceNet Modbus Empty COMM INTERFACE 232 485 232 232 232 PROTOCOL ASC MOD MOD MOD MOD SPEED 300 38 400 bps 19 200 19 200 19 200 PARITY 0 E N N N N MODBUS SLAVE ID 1 248 248 1to 247 1 Rockwell Automation Publication 825 UM004D EN P November 2012 Modbus Communications Chapter 10 Modbus Queries Modbus Responses Supported Modbus Function Codes Modbus RTU master devices initiate all exchanges by sending a query The query consists of the fields shown in Table 65 Table 65 Modbus Query Fields Field Number of Bytes Slave Device Address 1 byte Function Code 1 byte Data Region 0 250 bytes Cyclical Redundancy Check CRC 2 bytes The 825 P SLAVEID setting defines the device address Set this value to a unique number for each device on the Modbus network For Modbus communication to operate properly no two slave devices may have the same address The cyclical redundancy check detects errors in the received data If an error is detected the relay discards the packet The slave device sends a response message after it performs the action requested in the query If the slave cannot execute the command for any reason it sends an error response Otherwise the slave device response is formatted similarly to the query including the slave address function code data if applicable and a cyclical redundancy check value The 825 P supports the Modbus functio
165. facility However if your product is not functioning and needs to be returned follow these procedures United States Contact your distributor You must provide a Customer Support case number call the phone number above to obtain one to your distributor to complete the return process Outside United States Please contact your local Rockwell Automation representative for the return procedure Documentation Feedback Your comments will help us serve your documentation needs better If you have any suggestions on how to improve this document complete this form publication RA DU002 available at http www rockwellautomation com literature Rockwell Otomasyon Ticaret A S Kar Plaza Is Merkezi E Blok Kat 6 34752 erenk y stanbul Tel 90 216 5698400 www rockwellautomation com Power Control and Information Solutions Headquarters Americas Rockwell Automation 1201 South Second Street Milwaukee WI 53204 2496 USA Tel 1 414 382 2000 Fax 1 414 382 4444 Furope Middle Fast Africa Rockwell Automation NV Pegasus Park De Kleetlaan 12a 1831 Diegem Belgium Tel 32 2 663 0600 Fax 32 2 663 0640 Asia Pacific Rockwell Automation Level 14 Core F Cyberport 3 100 Cyberport Road Hong Kong Tel 852 2887 4788 Fax 852 2508 1846 Rockwell Automation Publication 825 UM004D EN P November 2012 Supersedes Publication 825 UM004C EN P June 2006 Copyright 2012 Rockwell Automation Inc All rights reserved Printed in
166. following format 1 byte Slave Address 1 byte Function Code 7Dh 2 bytes Subfunction 2000h 1 byte Modbus Function nbytes Optional Data to Support Modbus Function 0 250 2 bytes CRC 16 A successful response from the slave will have the following format 1 byte Slave Address 1 byte Function Code 7Dh 2 bytes Subfunction 2100h or 2101h 1 byte Function Code 7Eh nbytes Optional Data to Support Modbus Function 0 250 2 bytes CRC 16 The format of the relay responses to errors in the query is shown in Table 82 Table 82 7Dh Encapsulated Packet Query Errors Bytes Field Requests from the master must have the following format 1 byte Slave Address 1 byte Function Code 7Dh 2 bytes Subfunction 2100h or 2101h 1 byte Function Code 7Eh 1 byte Function Error Code 2 bytes CRC 16 Rockwell Automation Publication 825 UM004D EN P November 2012 143 Chapter10 Modbus RTU Communications 7Eh NOP Command Modbus Password Control and Parameter Modification 144 This function code the allows a Modbus master to perform a control operation and is used inside of the 7Dh when no regular Modbus query is required Table 83 17Eh NOP Command Bytes Field Requests from the master must have the following format 1 byte Slave Address 1 byte Function Code 7Eh 2 bytes CRC 16 A successful response from the slave will have the following format 1 byte S
167. for each RTD Monitoring Features The monitoring features of the 825 P are as follows Event summaries contain relay ID date and time trip cause and current voltage magnitudes Serialized Events Recording SER Motor running time since the last reset Start cycles since the last reset Emergency start cycles since the last reset A complete suite of accurate metering functions Options and Accessories Options The 825 P has the following options Voltage Option four wire wye or open delta connected potential transformers Input Output I O Option one 4 20 mA analog transducer output three additional control inputs and four additional contact outputs Network communications options DeviceNet Modbus 14 Rockwell Automation Publication 825 UM004D EN P November 2012 Introduction Chapter 1 Accessories Phase current inputs require one of the following external 825 MCM converter modules Table 1 Converter Module List Description Cat No 0 5 2 5 A Converter Module 825 MCM2 1 0 5 0 A Converter Module 825 MCM5 2 5 20 A Converter Module 825 MCM20 20 180 A Converter Module 825 MCM180 160 630 A Converter Module 825 MCM630 160 630 A Converter Module 825 MCM630N The ground fault current zero sequence feature requires an external 825 CBCT Core Balance Current Transformer or equivalent The following devices are required to add RTD protection Anexter
168. g an overload trip You can bypass the Thermal Model by ambient temperature when OL RTD BIASING is set equal to Y The Overload RTD Bias is calculated using the ambient temperature above 40 C and Winding RTD Trip temperature setting NOTE In addition to setting OL RTD BIASING Y you must set RTD Location equal to Ambient at least one RTD Location equal to Winding and set the Winding Trip Level see Table 27 for details Short Circuit Table 13 Short Circuit Settings Setting Prompt Setting Range Factory Default SCTRIP LEVEL Off 4 00 12 00 x 7 Off SCTRIP DELAY 0 00 5 005 0 00 SC WARN LEVEL Off 4 00 12 00 x 7 off SC WARN DELAY 0 00 5 00 0 50 If the 825 P is connected to a motor protected a fused contactor disable the short circuit element by setting its Trip level to Off If the relay is connected to a device capable of interrupting fault current use the element to detect and trip for short circuit faults Set the Short Circuit Trip Level to a value greater than the motor locked rotor current rating Set the Short Circuit Warn Level to the value that you want with appropriate time delay NOTE The 825 P short circuit elements normally operate using the output of a cosine filter algorithm During heavy fault currents when the relay detects severe MCM CT saturation the overcurrent elements operate on the output of a bipolar peak detector Based on the level of an harmonic distortio
169. g the functions to be inhibited you must assign Block Protection to an input See Table 44 for a description and Figure 16 for a typical connection diagram With a Block Protection control input one or more protective functions listed in Table 37 can be inhibited when the contact closes During certain operational phases when the level e g motor current differs from the normal values such as in the following situations During starting earth fault and short circuit protection Rockwell Automation Publication 825 UM004D EN P November 2012 91 Chapter 6 Configuring Protection amp Logic Functions 92 At no load protection against asymmetry and underload During brief overload phases high overload jam During commissioning and fault location localizing the source of the trouble the selected functions are completely disabled as long as the control input is asserted e No warning No trip no reset Tripping delays begin to run only after the function is re enabled Output Relay Behavior Table 38 Relay Behavior Settings Setting Prompt Setting Range Factory Default TRIP FAIL SAFE YN Y AUX1 FAIL SAFE YN Y AUX2 FAIL SAFE YN Y AUX3 FAIL SAFE YN Y AUX4 FAIL SAFE YN Y AUXS FAIL SAFE YN Y AUX6 FAIL SAFE YN Y The 825 P allows you to enable fail safe output contact operation for relay contacts on an individual basis When contact fail safe is enabled the relay
170. hapter10 Modbus RTU Communications Table 75 60h Read Parameter Descriptor Field Definition Bit Name Description 0 RO Read only 1 when the setting is read only 1 H Hidden 1 when the setting is hidden 2 DBL 32 bit 1 when the following setting is a fractional value of this setting 3 RA RAM only 1 when the setting is not saved in nonvolatile memory 4 RR Read only if running 1 when the setting is read only if in running operational state 5 P Power Cycle or Reset 1 when the setting change requires a power cycle or reset 6 0 Reserved 7 Extend Reserved to extend the descriptor table The Parameter Conversion field is defined in Table 76 Table 76 60h Read Parameter Conversion Field Definition Conversion Type Multiplier Divisor Offset Base Value 0 Boolean 1 1 0 1 1 Unsigned Integer 1 1 0 1 Unsigned Integer 1 10 0 1 3 Unsigned Integer 1 100 0 1 4 Unsigned Integer 1 1000 0 1 5 Hexidecimal 1 1 0 1 6 Integer 1 1 0 1 7 Integer 1 10 0 1 8 Integer 1 100 0 1 9 Integer 1 1000 0 1 10 Enumeration 1 1 0 1 11 Bit Enumeration 1 1 0 1 Calculate the actual not scaled value of the parameter setting using Equation 2 Parameter Value Offset Multiplier Base value Divisor Equation 1 Calculate the scaled setting value using Equation 2 value amp Divisor value Offset Multiplier e Base Baiona 140 Rockwell Automation Publication
171. he following message Confirm Hardware Config Enter Press the Enter key to confirm that you want this hardware change Confirm Config Select Yes to confirm the new hardware configuration and the display ko will show Config Accepted Enter to Reboot Press Enter to reboot the relay NA Rockwell Automation Publication 825 UM004D EN P November 2012 Adding the Optional Communication Card Hardware Commissioning Chapter 4 Remove control power from the relay and remove the back cover Add the optional communication card into Slot C in the 825 P Replace the cover and reapply control power to the relay Navigate to Main gt Status to view the Status display If the display shows the following message Confirm Hardware er Config Enter Press the Enter key to confirm that you want this hardware change Confirm Config Yes No Select Yes to confirm the new hardware configuration and the display will show Config Accepted Enter to Reboot Press Enter to reboot the relay p If there is an address conflict on the internal communication bus the display show the following message COMMFLT Warning To correct this conflict navigate to Main Set Show Port Port and select the parameter named Modbus Slave ID Change the Modbus Slave ID to the value of 247 Press the ESC key and the display will show the following message
172. hed by setting the Network Override and Communication Override parameter The following information describes the varying levels of operation If both overrides are disabled and the logic is enabled the only time DeviceLogix runs is if there is an active I O connection with a master i e the master is in Run mode At all other times DeviceLogix is running the logic but does not control the status of the outputs Ifthe Network Override is enabled and the logic is enabled then DeviceLogix controls the state of the outputs when the PLC is in Run mode and if a network fault such as Duplicate MAC ID or Module Bus off condition occurs 124 Rockwell Automation Publication 825 UM004D EN P November 2012 825 PDN DeviceNet Communication Card Chapter 9 Ifthe Communications Override is enabled and the logic is enabled the device does not need any I O connection to run the logic As long as there is control power and a DeviceNet power source connected to the device the logic controls the status of the outputs DeviceLogix has many applications and the implementation is typically only limited to the imagination of the programmer Keep in mind that the application of DeviceLogix is only designed to handle simple logic routines DeviceLogix is programmed using simple Boolean math operators such as AND OR NOT timers counters and latches Decision making is made by combining these Boolean operations with any of the available I O
173. hroughout this manual we use notes to make you aware of safety considerations WARNING Identifies information about practices or circumstances that can cause an explosion in a hazardous environment which may lead to personal injury or death property damage or economic loss ATTENTION Identifies information about practices or circumstances that can lead to personal injury or death property damage or economic loss Attentions help you identify a hazard avoid a hazard and recognize the consequence SHOCK HAZARD Labels may be on or inside the equipment for example a drive or motor to alert people that dangerous voltage may be present BURN HAZARD Labels may be on or inside the equipment for example a drive or motor to alert people that surfaces may reach dangerous temperatures gt e eD IMPORTANT Identifies information that is critical for successful application and understanding of the product DeviceNet and the DeviceNet logo are trademarks of the Open Device Vendors Association ODVA Microsoft Windows is a registered trademark of the Microsoft Corporation European Communities EC Directive Compliance If this product has the CE mark it is approved for installation within the European Union and European Economic Area EEA It has been designed and tested to meet the following directives EMC Directives This product is tested to meet the Council Directive 89 336 EEC Electromagnetic Compatibility EMC
174. i100 cont 2 Ni120 3 Cu10 228 40129 400129 RTD12 TRIP LEVEL 0 Off 250 0 1 C Get Set 229 40130 400130 RTD12 WARN LEVEL 0 0ff 250 0 1 C Get Set 230 40131 400131 WIND TRIP VOTING 0 N 0 Get Set 1 Y 231 40132 400132 BEAR TRIP VOTING 0 N 0 Get Set 232 40133 400133 TMP RTD BIASING 0 N 0 Get Set 1 233 40134 400134 UV TRIP ENABLE 0 N 0 Get Set 1 Y 234 40135 400135 UV TRIP LEVEL 60 100 80 100 x Vnm Get Set Undervoltage 235 40136 400136 UV TRIP DELAY 0 1200 0 10 Get Set Set 236 40137 400137 UV WARN ENABLE 0 N 0 Get Set 1 Y 237 40138 400138 UV WARN LEVEL 60 100 80 100 x Vnm Get Set 238 40139 400139 UV WARN DELAY 0 1200 0 10 Get Set 239 40140 400140 OV TRIP ENABLE 0 N 0 Get Set 1 240 40141 400141 OV TRIP LEVEL 100 120 110 100 xVnm Get Set Overvoltage 241 40142 400142 OV TRIP DELAY 0 1200 0 10 Set 242 40143 400143 OV WARN ENABLE 0 N 0 Get Set 1 Y 243 40144 400144 OV WARN LEVEL 100 120 110 100 xVnm Get Set 244 40145 400145 OV WARN DELAY 0 1200 0 10 5 Get Set Rockwell Automation Publication 825 UM004D EN P April 2012 207 ChapterB Parameter List Group DeviceNet p al ds Parameter Name Min Max Default ne Units Access Read 0x03h Write 0x06h Factor 245 40146 400146 NEG VAR TRIP EN 0 N 0 asd Get Set 246 40147 4001
175. ication Data adi sa Aq EE Res Main SCLIN S MF EE RE ENE Phase Rotation Nominal Frequency Settings Date Format E Ae EAS Current Transformer CT Configuration Full Load Current EN REE ETNE EE Voltage Transformer VT Configuration Settings Basic Motor Overload Thermal Model erre re serende A Ground Palio Undercurrent Load 58 Rockwell Automation Publication 825 UM004D EN P November 2012 Metering amp Monitoring Analyzing Events Table of Contents Current Imbalance D DA 78 Protection Disable EE dada asas 79 Start Monitoring dm e 79 Star Delea Wye Delta Starting Ry er x EE E PERROS 80 Start IMIG 81 Phase Reversal Protection 81 Speed Switch Stalling D ring Statt M A 82 Thermistor PTC Monitoring EEE 82 RTD Based Protection 83 Voltage Based Protection duae vida ee bb E da 86 ni D P 86 S PR 87 VAR Functions x ead res FER ECC IE arcas 87 UNPAID vl pra 88 Power Factors de 88 89 Load Control Function A 89 O CORA da epo bon
176. ing Figure 7 shows fail safe and non fail safe wiring methods to control breakers and contactors Keep in mind that the Fail Safe Electrically Held and Non Fail Safe labels apply to the whole row that they are aligned with and not just to the single diagram that they are next to Figure 7 TRIP Contact Fail Safe and Non Fail Safe Options Circuit Breaker Contactor Fail Safe Electrically Held STOP START t 95 f 96 CB Contactor Coil Non Fail Safe E STOP 95 58 GRIS START 95 Tc Breaker Trip Coil 96 52A Contactor Coil NOTE Contact numbering changes are based on TRIP Fail Safe setting 22 Rockwell Automation Publication 825 UM004D EN P November 2012 Installation Chapter 2 Converter Module Connection Figure 8 Converter Module Connection 4M Connection Cable JAG cs Gc B GUL supplied with MCM DEVICENET e MCM NOTE The 825 P relay is not EMC tested for converter module connecting cable lengths greater than the 4 meter cable that is supplied Figure 9 Converter Module Dimensions b1 Cat No 825 MCM2 825 MCM180 Cat No 825 MCM420
177. ings The relay checks setting interdependencies after you answer Y to the Save Settings prompt but before the settings are stored If any one of these checks fail the relay issues one of the error messages shown in the Table 5 and returns you to the settings list for a correction Table 5 Setting Interdependency Error Messages Error Message Setting Function Correct the Condition 50NnP must be within xx xx and yy yy Ground Fault Core Modify the 50N1P or 50N2P setting to satisfy the requirement shown n 10r2 Balance in the error message 50PnP must be less than xx xx Short Circuit Modify the 50P1P or 50P2P setting to satisfy the requirement shown n 10r2 in the error message CTRn FLAn Setting Combination Out of Range Main Settings Modify the CTRn or FLAn setting to satisfy n 10r2 0 5 FLAn CTRn 2 5 when MCM2 is used 1 0 FLAn CTRn 5 0 when MCMS is used 2 5 FLAn CTRn 20 when MCM20 is used 20 FLAn CTRn 180 when 180 is used 160 FLAn CTRn 630 when MCM630 is used LRAn must be less than xxx Overload Modify the LRA1 or LRA2 setting to satisfy the requirement shown in n 10r2 the error message Minimum STOP COOL TIME xxxx min Overload Modify the COOLTIME setting to satisfy the requirement shown in the error message Only one ambient RTD allowed RTD Modify the RTD location setting RTDnLOC to satisfy the requirement n 1 12 shown in the error
178. ings display after the last setting Use this parameter to speed up the SET command If you want to review the settings before saving do not use the TERSE option Rockwell Automation Publication 825 UM004D EN P November 2012 181 Chapter12 ASCII Serial Communications 182 Rockwell Automation Publication 825 UM004D EN P November 2012 Overview Chapter 13 Firmware Upgrade Instructions Rockwell Automation occasionally offers firmware upgrades to enhance the performance of your relay Since the 825 P relay stores firmware in flash memory changing physical components is not necessary Upgrade the relay firmware by downloading a file from a personal computer to the relay via the front panel serial port as outlined in the following sections Required Equipment Gather the following equipment before starting this firmware upgrade Personal computer PC Terminal emulation software that supports XMODEM CRC protocol e g Microsoft Windows HyperTerminal Serial communication cable null modem cable e Disk containing the firmware upgrade S19 file Upgrade Instructions The instructions below assume you have a working knowledge of your personal computer terminal emulation software In particular you must be able to modify your serial communications parameters baud rate data bits parity etc select transfer protocol XMODEM CRO and transfer files e g send and receive binary files 1 Ifthe relay is
179. ion Publication 825 UM004D EN P November 2012 103 Chapter6 Configuring Protection amp Logic Functions 104 Rockwell Automation Publication 825 UM004D EN P November 2012 Overview Metering Chapter 7 Metering amp Monitoring The 825 P relay includes metering functions to display the present values of current voltage if included and RTD measurements from the external 825 PR12D Module The relay provides the following methods to read the present meter values Rotating front panel display e Front panel menu e Front panel EIA 232 serial port Network port if installed e Analog output For monitoring and preventive maintenance purposes the 825 P provides a motor operating statistics report available using either the front panel the serial port or the optional network port The 825 P meter data falls into the following categories e Instantaneous metering e Thermal metering Thermal model metering RID metering Note that the phases and neutral are identified by 1 2 3 N for currents and A B C N for voltages Table 46 details each of the meter data types in the 825 P Chapter 3 Front Panel Operation and Chapter 5 Using MPS Explorer describe how to access the various types of meter data using the relay front panel and communications ports Rockwell Automation Publication 825 UM004D EN P November 2012 105 Chapter7 Metering Monitoring Instantaneous Metering Table 46 Measured Val
180. istics USINT 0x33 Group 3 7 Get Produced Connection Size UINT 0 8 Get Consumed Connection Size UINT 9 Get Set Expected Packet Rate UINT in milliseconds 1 Get Watchdog Action USINT 01 auto delete 03 deferred delete 13 Get Produced Connection Path Length UINT 0 14 Get Produced Connection Path Empty 15 Get Consumed Connection Path Length UINT 0 16 Get Consumed Connection Path Empty The following services are implemented for the Connection Object Implemented for Service Code Service Name Class Instance 0x05 No Yes Reset OxOE No Yes Get Attribute Single 0x10 No Yes Set Attribute Single Discreet Input Point Object Thefollowing class attributes are supported for the Discrete Input Point Object CLASS CODE 0x0008 Get Revision UINT Attribute ID Value 2 Get Max Instance UINT 2 5 0r8 254 Rockwell Automation Publication 825 UM004D EN P April 2012 DeviceNet Information Chapter E Five Instances of the Discrete Input Point Object are supported All instances contains the following attributes Attribute ID Access Rule Name Data Type Value 3 Get Value BOOL 0 OFF 1 ON 115 Get Set Force Enable BOOL 0 Disable 1 Enable 116 Get Set Force Value BOOL 0 OFF 1 ON The following services are implemented for the Discrete Input Point Object Service Code Service Name m Mme OxOE Yes Yes Get Attribute Single 0x10 No Yes Set Attribute Single Discreet Output
181. kwell Automation Publication 825 UM004D EN P April 2012 Group 1 0 Mapping DeviceNet Param No 302 Modbus Register Read 0x03h 40203 Write 0x06h 400203 Parameter Name TRIP ASSIGN LO Min Max 0 Overload 1 Undercurrent 2 Jam 3 Curr Imbalance 4 Short Circuit 5 RTD Wind Bear 6 PIC 7 GF Res 8 VAR 9 Underpower 10 Undervoltage 11 Overvoltage 12 Phase Reversal 13 Power Factor 14 Speed Switch 15 GF CB Default UD c O O O QO Scale Factor Parameter List Units Chapter B Access Get Set 303 40204 400204 TRIP ASSIGN HI 0 Start Time 1 Frequency 1 2 Frequency 2 3 Other 4 Ambient 5 PTC Error 6 RTD Error 7 MCM CWE Error 8 Comm Idle 9 Comm Loss 10 Remote Trip 11 Comm Fault 12 Reseved 13 Reserved 14 Reserved 15 Reserved Rockwell Automation Publication 825 UM004D EN P April 2012 a O O O c c c c oO Go Get Set 211 ChapterB Parameter List DeviceNet Group Param No 304 1 0 Mapping Modbus Register Read 0x03h 40205 Write 0x06h 400205 Parameter Name AUX1 ASSIGN REG1 Min Max 0 Overload 1 Undercurrent 2 Jam 3 Curr Imbalance 4 Short Circuit 5 RTD Wind Bear 6 PIC 7 GF Res 8 VAR 9 Underpower 10 Undervoltage 11 Overvoltage 12
182. l X Aborts editing session without saving changes The relay checks each entry to ensure that the entry is within the setting range If itis not in range an Out Of Range message is generated and the relay prompts you for the setting again When all the settings are entered the relay displays the new settings and prompts you for approval to enable them Type Y and then press Enter to enable the new settings The relay is disabled for as long as 5 seconds while it saves the new settings The ALARM Relay Word bit is set momentarily and the Enable LED extinguishes while the relay is disabled The relay also runs interdependency checks between some parameters If it detects a configuration error between parameters a message is displayed and the user is prompted to change settings to eliminate error before settings can be saved Rockwell Automation Publication 825 UM004D EN P November 2012 ASCII Serial Communications Chapter 12 To change a specific setting enter the command shown in Table 111 Table 111 SET Command Format SET ns TERSE Where n is left blank to enter RELAY settings n is P to enter front panel serial port settings n is M to enter 1 0 mapping settings is the name of the specific setting you want to jump to and begin setting If s is not entered the relay starts at the first setting e g enter 50P1P to start at Short Circuit Trip level setting TERSE instructs the relay to skip the sett
183. l 2 function such as the relay setting entry the function is automatically terminated without saving changes after inactivity for this length of time The front panel display returns to the default display see Table 41 for the default rotating display settings If you prefer to disable the front panel timeout function during relay testing set the LCD Timeout equal to 0 minutes Use the front panel LCD Contrast setting to adjust the contrast of the liquid crystal display Display Enable Table 41 Display Enable Settings Setting Prompt Setting Range Factory Default TIME amp DATE y N GROUND CURRENT y N CURRENT IMBALANC YN N FREQUENCY Y N THERM CAP USED N RTD TEMPERATURE Y N VOLTAGE IMBALANC YN N POWER Y N The relay default front panel rotating display shows unit identifiers see Table 7 and magnitudes of measured phase currents and if included phase to phase voltages The Display Enable settings give you the option to add quantities listed in Table 41 to the default display When you select Y for a quantity it is added to the rotating display Voltage Imbalance and Power displays require the voltage input option When the relay is equipped with external RTD inputs and the Display Enable RTD Temperature setting equals Y the relay displays the temperatures of the hottest winding bearing and other RTDs plus the ambient temperature Rockwell Automation Publication 825 UM0
184. lave Address 1 byte Function Code 7Eh 2 bytes CRC 16 An example of a 7D message using 7E will have the following format 1 byte Slave Address 1 byte Function Code 7Dh 2 bytes Subfunction 2100h 2 bytes Subfunction 2101h 1 byte Function Code 7Eh 2 bytes CRC 16 The 825 P parameters MID TID Password and the User Map Registers are settable via Modbus Any settable parameter or reset that requires a valid password write will timeout 15 minutes after the last valid write to any of these restricted registers Writing the password for access level change requires the 10h preset multiple register command Changing the password can be done one register at a time A device error is returned during settings save if the relay is disabled or settings are being changed on another port Device error is also returned for attempts to write to settable values if the access level has not been changed To enable modification of the settable parameters a valid Access Level E EAC password must be written to the password registers using function code 10h Note changing the password will change the password for all ports Once a valid password has been written then the values may be changed using standard single or multiple register writes 06h or 10h Until a command is issued to save or discard the settings the value returned when reading the settable parameter registers is a temporary copy To save the modified parameters write a 0x00
185. lay the relay displays the prompt an equal sign This is referred to as Access Level 0 The only command available at Access Level 0 is the ACC command see Table 99 Type ACC at the Access Level 0 prompt and then press Enter The ACC command takes the relay to Access Level 1 Access Level 1 The Access Level 1 commands primarily allow you to view information such as settings and metering but not to change settings When the relay is in Access Level 1 the relay sends the prompt gt Type 2AC at the prompt and then press Enter to take the relay to Access Level 2 Access Level 2 The Access Level 2 commands primarily allow you to change relay settings reset data buffers and control relay outputs If left in Access Level 2 the serial port automatically returns to Access Level 1 after a settable inactivity period All Access Level 1 commands are also available in Access Level 2 When the relay is in Rockwell Automation Publication 825 UM004D EN P November 2012 165 Chapter12 ASCII Serial Communications 166 Access Level 2 the relay sends the gt gt prompt at which you press Enter or after a command response is finished Command Summary Table 99 lists the serial port commands associated with particular activities The commands are shown in upper case letters but they can also be entered with lower case letters Table 99 825 P Serial Port Command Summary
186. licate node problem If other devices on the Bus off media issue network appear to be operating fine and power cycling the device does not work contact Technical Support Flashing Red and Green The device is in a communication faulted state Power cycling the device could resolve the problem however if the problem continues it could be necessary to contact Technical Support Flashing Red and Green The device has detected a network access error and is ina This is not a common state for DeviceNet products Power cycling the device could Troubleshooting Device communication faulted state The device has subsequently received and accepted an Identify Communication Faulted Request Protocol message Backplane Communication resolve the problem however if the problem continues it could be necessary to find out what is causing the problem Table 93 Device Backplane Communication Troubleshooting Procedures Table 94 Bus Status LED Definition Possible Cause Off The device is in Power up mode Check to ensure that the product is wired correctly Confirm that the product has appropriate DeviceNet and control power Verify that the 825 PDN card is inserted correctly Green The device is operating in a normal condition No action required Red The 825 PDN card has lost backplane communications Confirm product has appropriate DeviceNet and control power with the 825 P relay 160 Rockwell Automation Publication 825 UM004D EN P
187. licit UCMM connections Instance I is the Predefined Group 2 Connection Set Explicit Message Connection The following Instance I attributes are supported Attribute ID Access Rule Name Data Type Value 1 Get State USINT 0 nonexistant 1 configuring 3 established 4 timed out 2 Get Instance Type USINT 0 Explicit Message 3 Get Transport Class Trigger USINT 0x83 Server Transport Class 3 4 Get Produced Connection ID UINT 10 011 XXXXXX node address 5 Get Consumed Connection ID UINT 10 100 XXXXXX node address 6 Get Initial Comm Characteristics USINT 0x22 7 Get Produced Connection Size UINT 0x61 8 Get Consumed Connection Size UINT 0x61 9 Get Set Expected Packet Rate UINT in milliseconds 12 Get Watchdog Action USINT 01 auto delete 03 deferred delete 13 Get Produced Connection Path Length UINT 0 Rockwell Automation Publication 825 UM004D EN P April 2012 251 Chapter E DeviceNet Information 252 Attribute ID Access Rule Name Data Type Value 14 Get Produced Connection Path Empty 15 Get Consumed Connection Path Length UINT 0 16 Get Consumed Connection Path Empty Instance 2 is the Predefined Group 2 Connection Set Polled IO Message Connection The following Instance 2 attributes are supported Attribute ID Access Rule Name Data Type Value 1 Get State USINT 0 nonexistant 1 configuring
188. linearly Replace the fixed percentage value with an R to ramp the signal from zero to full scale over time For example the command ANA R 10 instructs the relay to ramp the analog signal from zero to full scale reaching full scale in 10 minutes Stop the test by pressing a keyboard character key or the space bar DATE Level 1 or 2 DATE displays the date stored by the internal calendar clock Rockwell Automation Publication 825 UM004D EN P November 2012 167 Chapter 12 168 ASCII Serial Communications If the date format setting DATE_F is set to MDY the date is displayed as month day year If the date format setting is set to YMD the date is displayed as year month day and for DMY it is displayed as day month year To set the date and the date format setting is MDY type DATE mm dd yyyy and then press Enter To set the date for a date format setting of YMD type DATE yyyy mm dd and then press Enter To set the date for a date format setting of DMY type DATE dd mm yyyy and then press Enter You can separate the month day and year parameters with spaces commas slashes colons or semicolons METER Level 1 or 2 The METER commands provide access to the relay metering data The relay divides the displayed information into two groups Note All ASCII command responses in this section are examples only Your specific relay has differences based on model number firmware revision number and application e Inst
189. lt Trip Historical 10 0vervolt Trip Data 11 Underpower Trip 12 Pwr Factor Trip 13 React Pwr Trip 14 Phase Rev Trip 15 Underfreq Trip 16 0verfreq Trip 17 RTD Trip 18 PTC Trip 19 Start Time Trip 20 MCM CWE Fail 21 RTD Fail Trip 22 PTC Fail Trip 23 Reserved 24 Trigger 25 CommldleLossTrip 26 Remote Trip 27 Comm Fail Trip 28 TestButton Trip 428 40329 EVENT L1 0 65535 1 A Get 230 Rockwell Automation Publication 825 UM004D EN P April 2012 Parameter List Chapter B Group DeviceNet _ Parameter Name Min Max Default seale Units Access Param Read 0x03h Write 0x06h Factor 429 40330 EVENT L2 0 65535 1 A Get 430 40331 EVENT L3 0 65535 1 A Get 431 40332 EVENT GF RES 0 65535 1 A Get 432 40333 EVENT GF CB 0 65535 1 A Get 433 40334 EVENT VAB VAN 0 65535 1 V Get 434 40335 EVENT VBC VBN 0 65535 1 435 40336 EVENT VCA VCN 0 65535 1 V Get Ea 436 40337 EVENT DELTA WYE 0 Delta Get cont 1 Wye 437 40338 RESERVED 438 40339 RESERVED 439 40340 RESERVED 440 40341 RESERVED 441 40342 RESERVED 442 40343 RESERVED 443 40344 RESERVED 444 40345 TRIP STATUS LO 0 0verload Get 1 Undercurrent 2 Jam 3 Curr Imbalance 4 Short Circuit 5 RTD Wind Bear 6 PTC Trip W
190. lt values units data format and scaling EDS files are available from the Internet at www ab com networks eds index html They can also be built automatically by some configuration tools since all of the information necessary for an EDS file can be extracted from the 825 P Modular Protection System Configuration tools use product codes to identify which EDS file to use for a given device The 825 P Modular Protection System has a product code of 100 64 hex The 825 P Modular Protection System supports the following DeviceNet object classes Table 114 DeviceNet Object Classes Class Object 0x0001 Identity 0x0002 Message Router 0x0003 DeviceNet 0x0004 Assembly 0x0005 Connection 0x0008 Discrete Input Point 0x0009 Discrete Output Point 0x000F Parameter Object 0x0010 Parameter Group Object 0x001E Discrete Output Group 0x0029 Control Supervisor 0x002B Acknowledge Handler 0x002C Overload Object 0x00B4 DN Interface Object 0 00 2 PCP Object Rockwell Automation Publication 825 UM004D EN P April 2012 DeviceNet Information Chapter E Ide ntity Object CLASS The following class attributes are supported for the Identity Object CODE 0x0001 The table below shows Instance 1 attributes of the Identity Object Each instance of the Identity Object contains the following attributes Attribute ID Access Rule Name Data Type Value 1 Get Vendor UINT 1 2 Get Device Type UI
191. message PTR Setting Out of Range Main Settings Modify VNOM or PTR setting to satisfy 100 VNOM PTR 250 Warning Duplicate Assignment Input Mapping Modify INn assignment ensuring that input is not assigned to more than one element Warning Verify 50PnP is lower than MCM CWE saturation current Short Circuit Answer Y if you are using MCM630N Save Changes Y N If you are using MCM630 you must modify the 50P1P or 50P2P n 10r2 setting below its saturation current to ensure proper protection Warning Verify LRAn is lower than MCM CWE saturation current Overload Answer Y if you are using MCM630N Save Changes Y N If you are using MCM630 you must modify the LRA1 or LRA2 setting n 10r2 below its saturation current to ensure proper protection Rockwell Automation Publication 825 UM004D EN P November 2012 43 Chapter3 Panel Operation 44 Rockwell Automation Publication 825 UM004D EN P November 2012 Chapter 4 Hardware Commissioning All hardware that is added to the 825 P must be installed and commissioned individually Listed below are the processes required to commission an 825 P for a specific Converter Module Optional I O Module Optional Voltage Module and Optional Communication Module Connecting a Converter e Connect the MCM module to 825 P Module MCM e Apply power to the 825 P base relay The following fault will be displayed STATUS FAIL MCM CWE Error Navigate to Main gt
192. n Publication 825 UM004D EN P November 2012 Basic Motor Protection Configuring Protection amp Logic Functions Chapter 6 Voltage Transformer VT Configuration Settings Relays that are not equipped with phase voltage inputs will hide these settings and disable voltage based protection and metering functions Table 10 shows voltage settings for relay models with optional voltage inputs Table 10 CT Configuration and Full Load Current Settings Setting Prompt Setting Range Factory Default PHASE VT RATIO 1 250 34 65 LINE VOLTAGE 100 30000V 4160 XFMR CONNECTION Delta Wye Delta NOTE The line voltage setting is in primary volts These settings configure the optional relay voltage inputs to correctly measure and scale the voltage signals Calculate the Phase VT Ratio by dividing the primary rating by the secondary rating EXAMPLE Phase VT Ratio Setting Calculation Consider a Phase VT Ratio Setting calculation consider a 4000V motor application where 4200 120V rated voltage transformers connected in open delta are used Set the VT Ratio 4200 120 35 and DELTA Y Delta When phase to phase PTs are connected to the relay set XFMR Connection equal to Delta When phase to neutral PTs are connected to the relay set XFMR Connection equal to Wye IMPORTANT Settings associated with options or accessories converter module voltage input card expansion 1 0 card RTD scanner require their ins
193. n codes shown in Table 66 Table 66 825 P Modbus Function Codes Codes Description 03h Read Holding Registers 06h Preset Single Register 10h Preset Multiple Registers 60h Read Parameter Information 61h Read Parameter Text 62h Read Enumeration Text 7Dh Encapsulate Modbus Packet With Control 77Eh NOP Rockwell Automation Publication 825 UM004D EN P November 2012 135 Chapter10 Modbus RTU Communications Modbus Exception Responses The 825 P sends an exception code under the conditions described in Cyclical Redundancy Check 03h Read Holding Register Command 136 Table 67 Table 67 825 P Modbus Exception Codes Exception Error Type Description Code 1 Illegal Function Code The received function code is either undefined or unsupported 2 Illegal Data Address The received command contains an unsupported address in the data field 3 Illegal Data Value The received command contains a value that is out of range 4 Device Error The 825 P is in the wrong state for the requested function This also stands for Service Failure for DeviceNet interface applications The relay is unable to perform the requested action i e cannot write to a read only register 6 Busy The 825 P is unable to process the command at this time a resource is busy 8 Memory Error Checksum error on stored data In the event that any of the errors listed in Table 67 occur the relay assembles a re
194. n index the short circuit overcurrent elements operate on either the output of the cosine filter or the output of the bipolar peak detector When the harmonic distortion index exceeds the fixed threshold that indicates severe MCM CT saturation the short circuit overcurrent elements operate on the output of the bipolar peak detector Rockwell Automation Publication 825 UM004D EN P November 2012 Configuring Protection amp Logic Functions Chapter 6 Ground Fault When the harmonic distortion index is below the fixed threshold the short circuit overcurrent elements operate on the output of the cosine filter The cosine filter provides excellent performance in removing DC offset and harmonics However the bipolar peak detector has the best performance in situations of severe MCM CT saturation when the cosine filter magnitude estimation is significantly degraded Combining the two filters ensures dependable short circuit overcurrent element operation Basic Information Table 14 Ground Fault Core Balance Settings Setting Prompt Setting Range Factory Default GF CB TRIP LEVEL Off 0 01 25 00 Off GF CB TRIP DELAY 0 00 5 005 0 00 GF CB WARN LEVEL Off 0 01 25 00 Off GF CB WARN DELAY 0 0 120 05 10 0 NOTE GF CB Trip Level settings are in Primary Amperes The relay offers two types of ground fault detecting elements The CB elements operate using current measured through an external core balance ze
195. n the protected motor is starting Asserts when the Star Delta Starting function issues a command to switch motor configuration to Star see Star Delta Starting on page 2 28 Asserts when the Star Delta Starting function issues a command to switch motor configuration to Delta see Star Delta Starting on page 2 28 Output of the motor start logic Reserved for future use Reserved for future use Control inputs IN1 IN5 inputs IN3 IN5 are optional Reserved for future use Rockwell Automation Publication 825 UM004D EN P April 2012 237 ChapterC Relay Word Bits Table 112 Relay Word Bit Definitions for the 825 P Sheet 4 of 4 Row Bit Definition 1 Reserved for future use Reserved for future use 10 Output of Trip Logic Output of AUX1 AUX6 mapping outputs AUX3 AUX6 are optional Reserved for future use Table 113 Additional 825 P Relay Status Bits for SER Command Bit Name Definition THERMLO Motor Lockout Conditions Asserted by the thermal element THERMLO NOSLO Starts per hour function NOSLO TBSLO Minimum time between starts TBSLO ABSLO Anti backspin timer ABSLO SPEED2 Asserts when control input mapped to SPEED2 asserts 238 Rockwell Automation Publication 825 UM004D EN P April 2012 ASCII Port Relay Appendix D ASCII Port Relay Command Summary The ASCII Port Relay Command Summary table below lists the front serial port ASCII commands associated wi
196. nal RTD scanner Cat No 825 PR12D RTD A fiber optic cable is not included with the 825 PR12D Asimplex 62 5 125 um fiber optic cable with ST connector for connecting the external RTD scanner to the 825 P e g part 1570FCBL MM SX 62 STST 2M from Ultra Spec Cable http store ultraspec us Applications The 825 P can be used with the following across the line starter applications Lowand medium voltage with 2 or 3 potential transformers e With or without phase current transformers With or without zero sequence core balance current transformer With or without external RTD module e Reversing starter e Star delta starting e Two speed motors Figure 1 shows across the line starting AC connections for the case where external current transformers are not required Refer to Chapter 2 Installation for additional applications and the related connection diagrams Rockwell Automation Publication 825 UM004D EN P November 2012 15 Chapter 1 16 Introduction Figure 1 AC Connections Without CTs 825 P L1 2 L3 A1 NNN A2 1 3 5 825 MCM 2 4 6 M Ja Rockwell Automation Publication 825 UM004D EN P November 2012 Converter Module Cat No 825 MCM2 Cat No 825 MCM5 Cat No 825 MCM20 Cat No 825 MCM180 Cat No 825 MCM420 Cat No 825 MCM630N Chapter 2 Relay Placement Installation Proper placement of the 825 P Motor Relay helps make certain that you re
197. ncomin Current Voltage Input Expansion Communication Power 9 Card yo Input ard Inpu 18 Rockwell Automation Publication 825 UM004D EN P November 2012 Installation Chapter 2 Top Panel Diagram The input and output designations for the rear panel connectors of a fully configured 825 P are shown in Figure 4 This diagram is located on the top panel of the relay Figure 4 Top Panel Input and Output Designations N 157 0138 157 0126 300V LN DEVICENET AUX3 Al WC POWER A2 N 43 n x 44 AUXI ALARM 14 23 E ETWORK 7 7 STATUS 24 NODEADDRESS px TD NON 00 63 MODULE FAL SAFE FAIL SAFE ft m m PTC t See documentation for input voltage rating Power Connections The power terminals on the rear panel A1 and A2 must connect to 110 240V AC or 110 250V DC for the 825 PD and 24 48V DC for the 825 PZ For complete power input specifications see Appendix Specifications The power terminals are isolated from the chassis ground Use 16 AWG 1 5 mm size or heavier wire to connect to the POWER terminals Connection to external power must comply with IEC 947 1 and IEC 947 3 Place an external switch circuit breaker or overcurrent device in the power leads for the 825 P this device must interrupt both the positive 1 4 neutral A2 pow
198. ned off Overload Enable N the thermal model is disabled the output of the thermal model is blocked and the relay reports the Thermal Capacity as 999 as noted in Chapter 7 Metering amp Monitoring 70 Rockwell Automation Publication 825 UM004D EN P November 2012 Configuring Protection amp Logic Functions Chapter 6 Table 11 Overload Thermal Model Settings Setting Prompt Setting Range Factory Default OVERLOAD ENABLE YN Y OL RESET MODE Man Auto Man OL RESET LEVEL 10 99 TCU 75 SERVICE FACTOR 1 01 1 50 1 01 MOTOR LRC 25 120x1 6 0 LOCKD ROTOR TIME 1 0 600 05 10 0 ACCEL FACTOR 0 10 1 50 1 00 RUN STATE TIME Auto 1 2000 min Auto MOTOR LRC 2nd 25 120x1 6 0 MOTOR LRT 2nd 1 0 600 0 s 10 0 ACCEL FACT 2nd 0 10 1 50 1 00 RUN ST TC 2nd Auto 1 2000 min Auto OL WARN LEVEL Off 50 9996TCU 85 START INH LEVEL Off 1 99 TCU Off STOP COOL TIME 1 2200 min 18 OL RTD BIASING YN N IMPORTANT For compliance to IEC standards regarding thermal overload protection set the SERVICE FACTOR to a value 1 05 1 20 When you enable overload protection the relay requests information about the protected motor capabilities Obtain the requested information except the acceleration factor from the motor specifications The 825 P thermal element always operates in one of two modes starting or running In starting mode the thermal element trips in L
199. nsert the printed circuit board into Slot A Reinstall the relay rear panel ground screw and eight rear panel screws A Energize the relay Real Time Clock RTC Battery Replacement The RTC battery which is a 3V lithium coin cell battery Rayovac BR2335 or equivalent performs the following functions Powers the clock date and time if the external power source is lost or removed e Retains the thermal memory for the thermal overload function when the power source is lost or removed Operates nominally at room temperature 25 C for ten years at rated load Experiences a low self discharge rate when the relay is powered from an external source Thus battery life can extend well beyond ten years The battery cannot be recharged To replace the real time clock battery perform the following steps De energize the relay Remove the eight rear panel screws ground screw and relay rear panel Remove the Slot B printed circuit board Locate the battery clip holder on the circuit board Remove the existing battery from beneath the battery clip Properly dispose of the battery N ON V N Install the new battery 3V lithium coin cell battery Rayovac BR2335 or equivalent with the positive side facing up oo Insert the printed circuit board into Slot B 9 Reinstall the relay rear panel ground screw and eight rear panel screws 10 Energize the relay 11
200. nt this hardware change Confirm Config Yes No Select Yes to confirm the new hardware configuration and the display will show Config Accepted Enter to Reboot Press Enter to Reboot the relay Remove control power from the relay and remove the back cover Add the optional I O card into Slot D in the 825 P Replace the cover and reapply control power to the relay The 825 P will detect a hardware configuration change and display the following message STATUS Fail 1 0 Card Failure Navigate to Main gt Status to view the Status display The display will show the following message Confirm Hardware Config Enter Press the Enter key to confirm that you want this hardware change Confirm Config Yes No Rockwell Automation Publication 825 UM004D EN P November 2012 47 Chapter4 Hardware Commissioning Adding the Optional Voltage Card 48 Select Yes to confirm the new hardware configuration and the display will show Config Accepted Enter to Reboot Press Enter to reboot the relay Remove control power from the relay and remove the back cover Add the optional Voltage Card into Slot E in the 825 P Replace the cover and reapply control power to the relay The 825 P will detect a hardware configuration change and display the following message STATUS Fail Volt Card Fail Navigate to Main gt Status to view the Status display T The display will show t
201. o accurately measure and interpret the AC current and optional voltage input signals Basic Motor Protection settings for protection elements included in all models of the 825 P including the thermal element overcurrent elements load loss functions and load jam functions RTD Based Protection settings associated with the RTD inputs requires RTD Scanner Module Voltage Based Protection Relays With Voltage Inputs settings associated with the optional AC voltage based protection elements I O Configuration settings for the front panel display control control inputs outputs and analog output for all relay models Serial Port Settings settings that configure the relay front and rear panel serial ports DeviceNet Port Settings settings that configure the relay rear panel DeviceNet port Select Relay Logic Diagrams selected logic diagrams for protection control and outputs Rockwell Automation Publication 825 UM004D EN P November 2012 65 Chapter6 Configuring Protection Logic Functions Application Data Main Settings 66 Calculate the settings for the 825 P by collecting the following information before you begin collect the information for each speed for two speed motor applications NOTE Specifications of the protected motor Rated full load current Service factor Locked rotor current Maximum locked rotor time with the motor at ambient and or operating temperature Ma
202. o speed up the SET command If you want to review the settings before saving do not use the TERSE option SHOW Use the SHOW command to view relay settings and serial port settings see Figure 61 The SHOW command options are listed in Table 104 Table 104 SHOW Command Options Command Description SHOW Show relay settings SHO A Show all relay settings enabled disabled hidden SHOP Show serial port settings SHOM Show 1 0 mapping settings You can append a setting name to each of the commands to specify the first setting to display e g SHO 50 displays the relay settings starting with setting 50P1P The default is the first setting The SHOW command displays only the enabled settings To display all the settings including disabled hidden settings append an A to the SHOW command e g SHOW Rockwell Automation Publication 825 UM004D EN P November 2012 173 Chapter 12 174 ASCII Serial Communications Figure 57 SHOW Command Example THERBL_T START T ESTAR D MAXSTART ABSDLY E47T SPDSDLYT EPTC E49RTD TRTMP1 RTD3TY RTD4TY RTD5TY RTD6TY RTD7TY RTD8TY RTD9TY RTD10TY RTD11TY RTD12TY EBRGV 27P1P 59P1P NVARTP 37PTP 55LGTP 55LDAP 81D1TP 81D2TP 81D2AP LOAD AOPARM BLK46 BLK37 TRIPFS AUXAFS TlONDLY FP TO FP TD FP TH gt 825 P Modular Prot System ABC FNOM 25 0 E2S PEED 600 DELTA Y x 49RSTMD 12 0 LRTHOT1 85 TCSTART OFF 50P2P OFF 50G2P OFF LJ
203. oad always accelerates in less than the rated locked rotor time you could use an acceleration factor less than 1 00 to provide a faster trip in locked rotor conditions Do not however set the value greater than 1 00 except to allow a start with a longer than normal accelerating time e g high inertia motor application emergency condition Acceleration Factor Setting Calculation EXAMPLE Ina particular application a motor with a 10 second hot locked rotor time always starts in 5 seconds Setting the acceleration factor equal to 0 75 causes the relay to trip in 7 5 seconds under locked rotor conditions This setting allows ample time for the motor to start but does not subject the motor to the full 10 seconds of locked rotor current if a locked rotor start attempt takes place When the motor thermal capacity used exceeds the Overload Warning Level setting the relay issues a warning The early warning could allow you to correct the load problem before a thermal trip occurs The motor tripping and starting functions include supervision to help prevent a thermal trip on a normal start The relay prevents motor starting until the thermal element has enough available thermal capacity to allow a motor start without tripping Set START INH LEVEL to a value equal to the incremental increase in percent thermal capacity utilized for one start plus additional margin The 825 P allows a new start when the percent thermal capacity utilized val
204. ocked Rotor Time at Locked Rotor Current whether the motor is at ambient or at normal operating temperature In running mode the thermal element provides overload protection by limiting the motor heat energy estimate to a value represented by the overload settings The locked rotor time setting is for a hot motor condition If only one locked rotor time is specified for a particular motor unless the specification states otherwise assume the time is the cold locked rotor time Multiply the cold locked rotor time by 0 833 to determine a hot locked rotor time which is acceptable for most motors NOTE When Two Speed Enable Y and a Speed 2 control input is specified the relay uses the 2nd FLA related settings for the overload thermal model Rockwell Automation Publication 825 UM004D EN P November 2012 71 Chapter6 Configuring Protection Logic Functions EXAMPLE Thermal Element Setting A 4000V 600 Hp motor is protected using the 825 P Thermal Overload Element Motor data sheet includes the following e Rated Horsepower 600 Hp e Rated Voltage 4000V e Rated Full Load Current 80 e Rated Locked Rotor Amps 480 A e Safe Stall Time at 100 Volts e Cold 18 seconds Hot 15 seconds e Service Factor 1 2 Phase current transformers with 100 5 A rating and the MCM20 module are selected for application 825 P settings for application are calculated as shown below e Current Transformer Ratio 100
205. ocol Modbus RTU is a binary protocol that permits communication between a single master device and multiple slave devices The communication is half duplex only one device transmits at a time The master transmits a binary command that includes the address of the desired slave device All of the slave devices receive the message but only the slave device with the matching address responds The 825 P Modbus communication allows a Modbus master device to do the following Acquire metering monitoring and event data from the relay Control 825 P output contacts and remote bits Read the 825 P self test status and learn the present condition of all the relay protection elements Mounting The optional 825 PMB Modbus Communication Card occupies the communication expansion slot C in the 825 P Modular Protection System Rockwell Automation Publication 825 UM004D EN P November 2012 131 Chapter 10 132 Modbus RTU Communications Wiring EY PORT 4A VW O CO CO CO OU WU o o o o o o9 o O PORT 4C 157 0146 Jeje WO CO CO UU UU Table 61 RS 485 Connections top to bottom Pin Pin Function Definition 1 Dx Transmit Data Positive 2 Dx Transmit Data Negative 3 Rx Receive Data Positive 4 Rx Receive Data Negative 5 SH Shield Rockwell Automation Publication 825 UM004D EN P November 2012 Modbus Communications Chapter 10 RS 232 Connections
206. ollowing format 1 byte Slave Address 1 byte Function Code 06h 2 bytes Register Address 2 bytes Data 2 bytes CRC 16 The relay responses to errors in the query are shown in Table 71 Table 71 Responses to 06h Preset Single Register Query Errors Error Error Code Returned Communication Counter Increments Illegal register address Illegal Data Address 02h Invalid Address Illegal Write Illegal register value Illegal Data Value 03h Illegal Write Format error Illegal Data Value 03h Bad Packet Format 10h Preset Multiple This function code works much like code 06h except that it allows you to write multiple registers at once up to 100 per operation If you are accustomed to 4X references with the function code for six digit addressing simply add 400001 to the standard database addresses Registers Command Table 72 10h Preset Multiple Registers Command Bytes Field Requests from the master must have the following format 1 byte Slave Address 1 byte Function Code 10h 2 bytes Starting Address 2 bytes Number of Registers to Write 1 byte Bytes of Data n n bytes Data 2 bytes CRC 16 A successful response from the slave will have the following format 1 byte Slave Address 1 byte Function Code 10h 138 Rockwell Automation Publication 825 UM004D EN P November 2012 Modbus Communications Chapter 10 Bytes Field 2 bytes Starting
207. oltage elements Set the Overload Inhibit Time for a delay to disable the Overload Thermal Model element If you are using the time delay settings keep them as short as possible NOTE The 825 P determines the motor state Starting Running or Stopped primarily based on the motor current Start Monitoring Table 21 Start Monitor Settings Setting Prompt Setting Range Factory Default START MOTOR TIME Off 1 2405 Off NOTE With Star Delta Wye Delta starting the total starting time Star and Delta is monitored If immediate tripping is required in the event of stalling monitoring must be provided by a Speed Switch Function If motor starting has not finished by the set time the relay produces a trip The start monitoring is independent of the overload protection provided by the thermal model Figure 30 shows the typical current during motor start and the Start Motor Time setting Rockwell Automation Publication 825 UM004D EN P November 2012 79 Chapter6 Configuring Protection Logic Functions Star Delta Wye Delta Starting 80 Figure 30 Monitoring Starting Time 157 amp 14 la ty jo 1 Motor Starting Current ty Start Motor Time 2 Rated Conditions 3 Tripping if starting lasts too long Table 22 Star Delta Settings Setting Prompt Setting Range Factory Default STAR DELTA ENABL YN N MAX STAR TIME Off 1 600s Off NOTE In addition to enabling th
208. on 825 UM004D EN P April 2012 Parameter List Chapter B Group DeviceNet Parameter Name Min Max Default sale Units Access Param Read 0x03h Write 0x06h Factor 271 40172 400172 FREQ1 TRIP ENABL 0 Get Set 1 Y 272 40173 400173 FREQ TRIP LEVEL 450 650 600 10 Hz Get Set 273 40174 400174 FREQ1 TRIP DELAY 0 2400 10 10 Get Set 274 40175 400175 FREQ WARN ENABL 0 0 Get Set 1 Y 275 40176 400176 FREQ WARN LEVEL 450 650 600 10 Hz Get Set Freq 276 40177 400177 FREQ WARN DELAY 0 2400 10 10 Get Set Settings 277 40178 400178 FREQ2 TRIP ENABL 0 0 Get Set 1 Y 278 40179 400179 FREQ2 TRIP LEVEL 450 650 600 10 Hz Get Set 279 40180 400180 FREQ2 TRIP DELAY 0 2400 10 10 Get Set 280 40181 400181 FREQ2 WARN ENABL 0 0 Get Set 1 Y 281 40182 400182 FREQ2 WARN LEVEL 450 650 600 10 Hz Get Set 282 40183 400183 FREQ2 WARN DELAY 0 2400 10 10 Get Set 283 40184 400184 LOAD CONTROL SEL 0 Off 0 Get Set 1 Current 2 Power 3 TCU 284 40185 400185 LD CTL UPP ENABL 0 N 0 Get Set 1 Y T 285 40186 400186 LD CTL CUR UPPER 20 200 50 10 xle Get Set ControlSet 2 40187 400187 LD CTL PWR UPPER 1 25000 22500 1 kW Get Set 287 40188 400188 LD CTL TCU UPPER 1 99 90 1 TCU Get Set 288 40189 400189 LD CTL LOW ENABL 0 N 0 Get Set 1 Y 289 40190 400190 LD CTL CUR LOWER 20 200 50 10 xle G
209. on to allow a Modbus master to read parameter enumeration or bit enumeration values setting lists from the relay One parameter enumeration is read in each query Table 80 62h Read Enumeration Text Command Bytes Field Requests from the master must have the following format 1 byte Slave Address 1 byte Function Code 62h 2 bytes Parameter Number 1 byte Enumeration Index 2 bytes CRC 16 A successful response from the slave will have the following format 1 byte Slave Address 1 byte Function Code 62h 2 bytes Parameter Number 1 byte Enumeration Index 16 bytes Enumeration Text 2 bytes CRC 16 The relay responses to errors in the query are shown below Table 81 61h Read Parameter Enumeration Text Query Error Messages Error Error Code Returned Communication Counter Increments Illegal parameter to read Illegal Data Value 03h Illegal Register Rockwell Automation Publication 825 UM004D EN P November 2012 Modbus Communications Chapter 10 7Dh Encapsulated Packet With Control Command The 825 P uses this function to allow a Modbus master to perform control operations and another Modbus function with one query This command will be transmitted periodically to achieve high speed I O processing and also serve as a heartbeat between the communication option card and the main board Bytes Field Requests from the master must have the
210. ondary 1 x I A primary A primary A primary Minimum Mid range Maximum For the minimum mid range and maximum values refer to the 7 setting range for a given converter module These converter module current ranges are 825 MCM2 0 5 2 5 A 825 MCMS 1 0 5 0 825 MCM20 2 5 20 A 825 MCM 180 20 180 A 825 MCM420 160 420 A 825 MCM630N 160 630 A Current Unbalance Element Accuracy 1 Connect the current source to the MCM module as shown in Figure 48 2 Using the front panel SET SHOW function or MPS Explorer software record the Phase CT Ratio Phase Rotation and Motor FLA 7 setting values 3 Set the phase current angles to apply balanced three phase currents in accordance with the Phase Rotation setting See Figure 48 4 Apply the appropriate magnitude for each phase current as shown in column 1 of Table 86 Table 86 Current Unbalance Measuring Accuracy Applied A secondary Expected Reading Actual Reading 0 9 FLA 7 IB FLA IC FLA 0 75 FLA 17 IB FLA IC FLA Rockwell Automation Publication 825 UM004D EN P November 2012 Testing amp Troubleshooting Chapter 11 Table 86 Current Unbalance Measuring Accuracy Applied A secondary Expected Reading Actual Reading IA FLA 12 1 2 FLA 0 12 0 9 13 IB 1 1 FLA 1 1 FLA Power an
211. option to enable RTD Trip Temperature biasing by setting TMP RTD BIASING equal to Y The thermal model can also be biased by setting OL RTD BIASING equal to Y see Table 11 When you enable either of the biasing the relay does the following Calculates RTD Thermal Capacity and adds the value to the Thermal Meter values Automatically reduces the winding RTD Trip Temperatures if ambient temperature rises above 40 C and TMP RTD BIASING is set equal to Y Automatically reduces the Thermal Model element trip threshold if ambient temperature rises above 40 C and OL RTD BIASING is set equal to Y Rockwell Automation Publication 825 UM004D EN P November 2012 85 Chapter6 Configuring Protection Logic Functions Voltage Based Protection 86 e Provides an RTD Bias Alarm if the winding temperature exceeds 60 C rise over ambient and the RTD 96 Thermal Capacity exceeds the thermal element Thermal Capacity by more than 10 EXAMPLE Relay Calculation of RTD Thermal Capacity Winding RTD _ Ambient RTD Temperature Temperature Thermal Capacity Winding RTD Trip Ambient Temperature Temperature As ambient temperature rises the motor s ability to shed heat to the surroundings is reduced and internal temperatures rise To preserve insulation life NEMA standards suggest a 1 C reduction in RTD Trip Temperature for each 1 C rise in ambient temperature over 40 C When you enable RTD biasing the 825 P
212. or that input The four available RTD types are e 100 ohm platinum PT100 e 100 ohm nickel 31100 120 ohm nickel NI120 e 10 ohm copper CU10 The 825 P provides temperature warnings and trips using the RTD temperature measurements and the warning and trip temperature settings in Table 27 The relay issues a winding temperature warning if any of the healthy winding RTDs RTD Location setting equals WDG indicate a temperature greater than the corresponding RTD Warning Temperature setting The relay issues a winding temperature trip if one or two of the healthy winding RTDs indicate a temperature greater than their RTD Trip Temperature settings Two winding RTDs must indicate excessive temperature when the Winding Trip Voting setting equals Y Only one excessive temperature indication is required if Winding Trip Voting is not enabled Bearing Trip Voting works similarly The warning and trip temperature settings for Bearing Ambient and Other RTD types function similarly except that trip voting is not available for Ambient and Other RTDs To disable a temperature warning or trip function set the appropriate temperature setting to Off Only healthy RTDs can contribute temperatures to the warning and trip functions The relay includes specific logic to indicate if RTD leads are shorted or open When you have connected an ambient temperature sensing RTD and set trip temperatures for one or more winding RTDs the relay gives you the
213. ow XX Oe C CX 3 E X o o Get Set Group 1 0 Mapping cont DeviceNet Param No 330 Modbus Register Read 0x03h 40231 Write 0x06h 400231 Parameter Name IN3 ASSIGN Min Max 0 Emergency Start 1 Disable Settings 2 Trip Reset 3 Timer 1 4 Timer 2 5 Speed Switch 6 Block Protection 7 Speed 2 8 Bkr Cont Aux 9 Remote Trip 10 Reserved 11 Reserved 12 Reserved 13 Reserved 14 Reserved 15 Reserved Default Scale Factor Parameter List Units Chapter B Access Get Set 331 40232 400232 IN4 ASSIGN 0 Emergency Start 1 Disable Settings 2 Trip Reset 3 Timer 1 4 Timer 2 5 Speed Switch 6 Block Protection 7 Speed 2 8 Bkr Cont Aux 9 Remote Trip 10 Reserved 11 Reserved 12 Reserved 13 Reserved 14 Reserved 15 Reserved Rockwell Automation Publication 825 UM004D EN P April 2012 O O O 3 lt 2 oo C C 3 C 3 lt lt 53 C cC Get Set 225 ChapterB Parameter List Group DeviceNet les Parameter Name Min Max Default Units Access Param Read 0x03h Write 0x06h Factor 332 40233 400233 IN5 ASSIGN 0 Emergency Start 0 Get Set 1 Disable Settings 0 2 Trip Reset 0 3 Timer 1 0 4 Timer 2 0 5 Speed Switch 0 6 Block Protection 0 1 0 7 S
214. ow byte 7 Value of the parameter pointed to by Produced Word 3 Param high byte 4 8 Value of the parameter pointed to by Produced Word 4 Param low byte 9 Value of the parameter pointed by Produced Word 4 Param high byte 5 10 Value of the parameter pointed to by Produced Word 5 Param low byte 11 Value of the parameter pointed to by Produced Word 5 Param high byte 6 12 Value of the parameter pointed to by Produced Word 6 Param low byte 13 Value of the parameter pointed to by Produced Word 6 Param high byte 7 14 Value of the parameter pointed to by Produced Word 7 Param low byte 15 Value of the parameter pointed to by Produced Word 7 Param high byte 246 Rockwell Automation Publication 825 UM004D EN P April 2012 DeviceNet Information Chapter E Instance 50 is the required input produced assembly defined in the DeviceNet Motor Overload Profile Standard Input Produced Assemblies Instance 50 ODVA Overload Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 Fault Instance 51 is the required input produced assembly defined in the DeviceNet Motor Starter Profile Instance 51 ODVA Starter Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 Warning Fault Instance 101 is the 825 Average Current Overload Input produced assembly Instance 101 825 Average Current Overload
215. ower kVA 21 Power Factor 0 74 LAG 3 9 3 9 0 6 0 3 0 Frequency Hz 60 0 gt gt METER T Thermal and RTD Metering The METER T command displays the temperatures of any connected RTDs This command also shows the average motor current x the present Thermal Capacity used and the RTD Thermal Capacity if ambient and winding temperatures are monitored and a winding RTD trip temperature is set If the motor is in overload this command response shows the calculated time to a thermal trip Ifthe motor is not in overload e g see Figure 56 the time shown is 9999 seconds The Starts Available and Time To Reset values are also displayed Figure 56 Calculated Time to a Thermal Trip Example gt gt MET T 825 P Modular Date 03 05 2003 Time 16 13 50 321 Prot System Max Winding RTD Max Bearing RTD Ambient RTD Max Other RTD RTD WDG 61 C RTD NONE RTD WDG 59 C RTD WDG 58 RTD WDG Open RTD WDG 57 RTD BRG 48 RTD BRG 46 RTD BRG 45 RTD 10 BRG 44 RTD 11 AMB 28 RTD 12 OTH 50 Motor Load x Ie Thermal Capacity Used RTD Thermal Capacity Calculated Time to Thermal Trip sec Time to Reset min gt gt Rockwell Automation Publication 825 UM004D EN P November 2012 169 Chapter 12 170 ASCII Serial Communications MOTOR Level 1 or 2 The MOTOR command displays the motor operating statistics that include the following e Motor running time s
216. p Asserts when the relay detects a phase reversal condition 55T Power Factor Trip Assert when the relay issues a power factor element alarm or trip SPDSTR Speed Switch Trip Asserts when the relay does not detect a speed switch contact closure within a settable trip period from the beginning of a motor start 50N1T Definite Time Neutral Core Balance Overcurrent 3 SMTRIP Asserts when Start Motor Timer times out 81D1T Definite Time Over and Underfrequency Element Trip Level 1 Assert when the frequency has been either above or below the element set point for a definite time 81D2T Definite Time Over and Underfrequency Element Trip Level 2 Assert when the frequency has been either above or below the element set point for a definite time OTHTRIP Other Temperature Trip Asserts when one or more healthy Other RTD temperature exceeds the trip set points AMBTRIP Ambient Temperature Trip Asserts when the healthy ambient RTD temperature exceeds its trip set point PTCFLT Indicates faulted shorted thermistor RTDFLT Asserts when an open or short circuit condition is detected on any enabled RTD input or communication with the external RTD module has been interrupted MCMELT Asserts when the MCM module detected does not agree with the relay part number 4 COMMIDLE DeviceNet Card in programming mode COMMLOSS DeviceNet communication fail REMTRIP Remote Trip Control Input Asserted COMMFLT Internal communication time out Reserved for future use Res
217. page 235 and Table 113 on page 238 The relay saves up to 512 records in nonvolatile memory The relay adds the following message to the SER to indicate power up or settings change conditions Relay newly powered up or settings changed e Each entry in the SER includes SER row number date time element name and element state 110 Rockwell Automation Publication 825 UM004D EN P November 2012 Analyzing Events Chapter 8 Example Reports Event Summary Report The example event summary report in Figure 36 corresponds to the example Serialized Events Recording SER report in Figure 37 Figure 36 Example Event Summary Report gt SUM lt Enter gt 825 P Modular Date 06 07 2003 Time 14 50 06 032 Prot System Event 1 Event No Trip Event Date 06 07 2003 Event Time 14 39 47 907 11 12 13 RES CB CURRENT MAG A 259 7 191 6 190 6 0 1 68 2 VAN VBN VCN VG VOLTAGE MAG L N V 458 460 457 456 Serialized Events Recording SER Report The example SER report in Figure 37 includes records of events that occurred before the beginning of the event summary report in Figure 36 The SER event report rows are explained in Table 50 numbered in correspondence to the Item column Figure 37 Example SER Report gt SER lt Enter gt 825 P Modular Date 07 07 2003 Time 14 50 04 744 Prot System FID 825 Modular xxxx Vxxxx Zxxxxxx Dxxxxxxxxx DATE TIME ELEMENT STATE 11 06 07 2003 14 34 32 786 STOPPED Deasserted
218. pd Switch Warn 13 Freq Warn 14 Freq2 Warn 15 RTD OtherWarn Rockwell Automation Publication 825 UM004D EN P April 2012 O O O D O C C 3 lt 3 CO O c QD C C O uc c Get Set 213 ChapterB Parameter List DeviceNet Group Param No 308 1 0 Mapping Modbus Register Read 0x03h 40209 Write 0x06h 400209 Parameter Name AUX2 ASSIGN REG1 Min Max 0 Overload 1 Undercurrent 2 Jam 3 Curr Imbalance 4 Short Circuit 5 RTD Wind Bear 6 PIC 7 GF Res 8 VAR 9 Underpower 10 Undervoltage 11 Overvoltage 12 Phase Reversal 13 Power Factor 14 Speed Switch 15 GF CB Default Scale Factor Units Access Get Set cont 309 214 40210 400210 AUX2 ASSIGN REG2 0 Start Time 1 Frequency 1 2 Frequency 2 3 Other 4 Ambient 5 PTC Error 6 RTD Error 7 MCM CWE Error 8 Comm Idle 9 Comm Loss 10 Remote Trip 112 Comm Fault 12 Latch Trip 13 Reserved 14 Reserved 15 Reserved Rockwell Automation Publication 825 UM004D EN P April 2012 C d OX UC cO WO Co X UD o D 3 gt X X CD X Get Set Group 1 0 Mapping cont DeviceNet Param No 310 Modbus Register Read 0x03h 40211 Write 0x06h 400211 Parameter
219. peed 2 0 Mapping 8 Bkr Cont Aux 0 9 Remote Trip 0 10 Reserved 0 11 Reserved 0 12 Reserved 0 13 Reserved 0 14 Reserved 0 15 Reserved 0 333 40234 400234 RESERVED 334 40235 400235 RESET TRIP 0 Ready 0 Get Set 1 Reset 335 40236 400236 SET TO DEFAULTS 0 Ready 0 Get Set Reset 1 Reset Settings 336 40237 400237 RESET STAT DATA 0 Ready 0 Get Set 1 Reset 337 40238 400238 RESET HIS DATA 0 Ready 0 Get Set 1 Reset 338 40239 400239 SET SEC 0 5999 0 100 Get Set 339 40240 400240 SET MIN 0 59 0 1 Get Set Date Time 340 40241 400241 SET HOUR 0 23 0 1 Get Set Set 341 40242 400242 SET DAY 1 31 1 1 Get Set 342 40243 400243 SET MONTH 1 12 1 1 Get Set 343 40244 400244 SET YEAR 2000 9999 2000 1 Get Set 226 Rockwell Automation Publication 825 UM004D EN P April 2012 Parameter List Chapter B Group DeviceNet AE _ Parameter Name Min Max Default ae Units Access Param No Read 0x03h Write 0x06h Factor 344 40245 L1 CURRENT 0 65535 1 A Get 345 40246 L1 ANGLE 1800 1800 10 Get 346 40247 L2 CURRENT 0 65535 1 A Get 347 40248 L2 ANGLE 1800 1800 10 o Get 348 40249 L3 CURRENT 0 65535 1 A Get 349 40250 ANGLE 1800 1800 10 o Get pue 350 40251 GF CURR CORE B 0 65535 1 A Get 351 40252 GF CB ANGLE 1800 1800 10 Get 352 40253 GF CURR RESID 0 65
220. pical DC Current Ratings O 24V DC 0 75A 48V DC 0 50A 125V DC 0 30A 250V DC 0 20A Inputs Rated Operating Voltage INT and IN2 IN3 4 and IN5 24V AC DC 120V AC DC 825 PIOD 24V AC DC 825 PIOR Operating Range 0 80 1 1 Ue Rated Insulation Voltage U 300V AC Rated Impulse Strength Vimp 4kV Rated Frequency AC 50 60 Hz 5 Hz On State Voltage 15V 79V On State Current turn on 2mA 2mA Steady State Current 15mA 15mA Off State Voltage 5V 20V Off State Current 0 5mA 1mA O Capacity at L R 40 ms Rockwell Automation Publication 825 UM004D EN P April 2012 Specifications Chapter A Mechanical Ratings RTD Scanner Module Environment Operating open 20 60 C 4 140 F Humidity Operating 5 95 Non condensing Maximum Altitude 2000 m Vibration per IEC 68 2 6 36 Shock per IEC 68 2 27 30G Control Terminals Terminal Screw M3 Cross Section 1 wire stranded solid 0 14 2 5 mm 420 12 AWG Torque 0 79 N m 7Ib in Degree of Protection 1 20 Ground Screw Terminal Screw 6 Torque 1 4 N m 12 Lb in Supply Rated Supply Voltage U 110 240V AC Operating Range 0 80 1 2 U Rated Frequency 50 60 Hz 5 Hz Max Power Consumption 5 VA Rated Insulation Voltage U 300V AC Rated Impulse Strength Ui AkV Pollution Degree 2 Environmental Ambient Temperature Storage Storage 40 85 40 185 F Operating 20 60
221. port uses software flow control meaning that character transmission is controlled by receipt of XON and XOFF characters When the relay receives the XOFF character during transmission it pauses until it receives an XON character If a message is not in progress when the relay receives the XOFF character it blocks transmission of a message presented to its buffer Messages are transmitted after the relay receives the XON character You can send control characters from most keyboards using the keystrokes listed in Table 98 Rockwell Automation Publication 825 UM004D EN P November 2012 ASCII Serial Communications Chapter 12 Table 98 Serial Port Control Characters Control Characters Key Commands XON Ctrl Q XOFF Ctrl 5 CAN Ctrl X You can use the XOFF character to pause in the middle of long transmissions from the relay To resume the transmission use the XON character To cancel a transmission in progress use the Ctrl X key commands Serial Port Access Levels Issue commands to the relay via the front serial port e g to view metering values or change the relay settings Refer to Table 99 available serial port commands Access these commands only from the corresponding access level as listed in the table Access levels are e Access Level 0 the lowest access level e Access Level 1 Access Level 2 the highest access level Access Level 0 Once serial port communications are established with the re
222. press the Enter push button The front panel displays the following Confirm Hardware Config Enter f Press qJ The front panel displays the following Accept Config Yes No g Select Yes then press the Enter push button The front panel displays the following Config Accepted Enter to Restart h Press J The 825 P will restart and the ENABLE LED will illuminate to indicate that the MCM module is recognized Rockwell Automation Publication 825 UM004D EN P November 2012 Testing amp Troubleshooting Chapter 11 20 Perform any protection element tests using the individual element test procedures in Selected Functional Tests on page 151 Perform the tests until it is proven that the relay operates as intended Exhaustive element performance testing is not necessary for commissioning 21 Connect the relay for tripping duty 22 Verify that any settings changed during the tests performed in Step 19 and Step 20 are changed back to the correct values for your application 23 Prepare the relay for operation by clearing the relay data buffers using MPS Explorer software Clearing the relay buffers prevents data generated during commissioning testing from being confused with operational data collected later 24 Start the motor only when it is safe to do so 25 Verify the following AC quantities using the front panel METER or serial port METER command phase current magnitudes are nearly equal and phase current
223. quipment esses tlie ern tek aa 116 po o PER TELE 116 Node Commissioning saa ex pra ERR PPAR Ep te 117 Setting the Hardware Switches sous dade ire Ua 118 Using RSNet Worx for DeviceNet tras irae et rans 119 Explicit Messaging i ken eoe pao ERR aa 121 Setting Up the MSG Instructions Le ebat esa ede bae s 122 Device Lori EE RR 124 DeviceLogix Programming Example i dosis een nra dp nta 125 Parameter GIO caserio ra 129 Chapter 10 i m 131 Installation aqu V PAP ES 131 SC dag D ER A T Ra Gate 131 WHINE ii vb e E rex d dd bea epa 132 FS AA EE AKARE Eaa 134 Modbus QUeri S ictericia 135 Mods ondaa Ad 135 Supported Modbus Function Codes 135 Modbus Exception Responses i pcia 136 Cyclical Redundancy Check sso lira Kod set 136 03h Read Holding Register Command 136 06h Preset Single Register Command 137 10h Preset Multiple Registers 138 60h Read Parameter Information 139 61h Read Parameter Text Command isis didactica da 141 62h Read Enumeration Text Command 142 7Dh Encapsulated Packet With Control Command 143 TERNOP GENE Fan eap telas 1
224. r Factor 14 Speed Switch 15 GF Core Bal Default Scale Factor Units Access Get TRIP STATUS 2 0 Start Time 1 Frequency 1 2 Frequency 2 3 Other 4 Ambient 5 PTC Error 6 RTD Error 7 MCM Error 8 Comm Idle 9 Comm Loss 10 Remote Trip 11 Comm Fault 12 Alarm Critical Rockwell Automation Publication 825 UM004D EN P April 2012 4 5 9 C 3 C C CH C C 9 4 C gt 8 gt 9 C 53 C Get Group Status cont DeviceNet Param No Read 0x03h Modbus Register Write 0x06h Parameter Name WARN STATUS 1 Min Max 0 Overload 1 Undercurrent 2 Jam 3 Curr Imballance 4 Short Circuit 5 RTD Wind Bear 6 PTC 7 GF Residual 8 VAR 9 Underpower 10 Undervoltage 11 Overvoltage 12 Reserved 13 Power Factor 14 Speed Switch 15 GF Core Bal Default Scale Factor Parameter List Units Chapter B Access Get Rockwell Automation Publication 825 UM004D EN P April 2012 WARN STATUS 2 0 Reserved 1 Frequency 1 2 Frequency 2 3 Other 4 Ambient 5 PTC Error 6 RTD Error 7 MCM Error 8 Comm Idle 9 Comm Loss 10 Reserved 11 Comm Fault 12 Alarm Critical 65 O c 3 GOG 5 OD O 3 C od O A 3
225. r of the protected motor Rockwell Automation Publication 825 UM004D EN P November 2012 Configuring Protection amp Logic Functions Chapter 6 Phase Rotation Nominal Frequency Settings Table 8 Phase Rotation Nominal Frequency Settings Setting Prompt Setting Range Factory Default PHASE ROTATION ABC ACB ABC RATED FREQUENCY 50 60 Hz 60 DATE FORMAT MDY YMD DMY MDY The phase rotation setting tells the relay your phase labeling standard Set Phase Rotation equal to ABC when B phase current lags A phase current by 120 Set Phase Rotation equal to ACB when B phase current leads A phase current by 120 The thermal overload algorithm is dependent on the proper phase rotation setting An improper phase rotation will cause nuisance tripping Figure 28 Phase Rotation Setting C B PHROT ABC PHROT ACB Set the Rated Freq equal to your system nominal frequency Date Format The Date Format setting allows you to change the relay date presentation format to either North American standard Month Day Year engineering standard Year Month Day or European standard Day Month Year Rockwell Automation Publication 825 UM004D EN P November 2012 67 Configuring Protection amp Logic Functions Current Transformer CT Configuration Full Load Current Settings Table 9 CT Configuration and Full Load Current Settings Setting Prompt Setting Range Factory Default PHASE CT RATIO 1
226. rforms the control action assigned to the input The control action of each of the available functions is described below Table 45 Control Actions Function Control Action Emergency Start Overrides all active start inhibits clears the 96 TCU to zero and immediately initiates a motor start Disable Settings Disables all settings changes from the front panel serial port and DeviceNet network when this input is asserted you can view the settings but you cannot change them Disables the Test Reset push button function Trip Reset Resets the Trip output and front panel Trip LED provided there is no trip condition present including start inhibit lockouts TIMERT Timer 1 Input Provides input to Timer Function see Figure 33 for more details TIMER2 Timer 2 Input Provides input to Timer2 Function see Figure 33 for more details Speed Switch Provides input to Speed Switch Protection Function See Speed Switch Stalling During Start on page 82 for more details Block Protection Inhibits selected protection functions when the input is asserted See Table 37 for more details Rockwell Automation Publication 825 UM004D EN P November 2012 99 Chapter6 Configuring Protection Logic Functions Logic Explanation 100 Table 45 Control Actions Speed 2 When the SPEED2 control input is asserted and Two Speed Enable setting is Y the 825 P selects second values for the settings See Table 11 for
227. rnal relay temperature gt 40 Not Latched TEMPERATURE WARN lt 85 Temperature Fail Measure internal relay temperature gt 100C Yes Latched TEMPERATURE FAIL Mainboard FPGA Fail if mainboard Field Programmable Gate Array does Yes Latched FPGA FAIL not accept program MCM CWE Type Fail if the detected external converter module does not No MCM CWE FAIL match the part number Back plane Comms Fail if GPSB is busy two processing intervals in a row Yes Latched GPSB FAIL Diagnostics Troubleshooting Refer to Table 90 for troubleshooting instructions in particular situations Table 90 Troubleshooting Problem Possible Cause Solution The relay enable front panel LED is not illuminated Input power is not present or a fuse is blown Verify that input power is present Check fuses continuity Self test failure View the self test failure message on the front panel display The relay front panel display does not show characters The relay front panel has timed out Press the Esc push button to activate the display The relay is de energized Verify input power and fuse continuity The relay does not accurately measure voltages or currents Wiring error Verify input wiring Incorrect Phase CT Ratio Core B CT Ratio or Phase VT Ratio setting Verify instrument transformer ratios connections and associated settings Voltage neutral terminal N is not properly grounded Verify
228. ro sequence CT The residual RES elements operate using a residual ground fault measurement from the MCM module While the ground fault trip and warning levels offer an overall range of 0 01 25 A the actual input circuitry has a dynamic sensing range of 5 500 mA Determine the range in terms of primary amps that is valid for a given application by multiplying the input sensing range of 5 500 mA by the turns ratio of the core balance sensor For information about corresponding valid ground fault setting ranges for typical sensors see Table 15 Table 15 Ground Fault Sensor to Settings Correlation Ground Fault Sensor Ratio Valid Setting Range 11 0 01 0 50 50 5 0 10 5 00 100 1 1 00 25 00 2000 1 20 00 25 00 Rockwell Automation Publication 825 UM004D EN P November 2012 75 Chapter6 Configuring Protection Logic Functions When a ground fault CT is connected to the 825 P as in Figure 14 use the CB ground fault element to detect motor ground faults Calculate the Trip and Warn level settings based on the available ground fault current and the CB CT ratio EXAMPLE Ground Fault CB CT Application A resistance grounded transformer limits current for motor or cable ground faults The resistor is sized to limit current to 10 A primary The three motor leads are passed through the window of a 10 1 core balance CT The CT secondary is connected to 825 P CBCT input terminals as shown in Fig
229. rr Start Inh RTD gt Relay Behavior H Trip Fl Sfe Aux1 Fl Sfe Aux2 Fl Sfe Aux3 Fl Sfe Aux4 FI Sfe Aux5 FI Sfe Aux6 Fl Sfe Timer Settings On Dly T1 Off Dly T1 On T2 Off Dly T2 gt Front Panel Set LCD Time LCD Cntrst gt Display Enable Time Date Gr Curr Curr Imb Freq TCU RTD Temp Volt Imb Power 40 Rockwell Automation Publication 825 UM004D EN P November 2012 View or Change Settings Using the Front Panel Front Panel Operation Chapter 3 Enter the front panel menu by pressing the Esc button It displays the following MAIN Scroll through the menu by using the DownArrow and UpArrow push buttons message E until the display shows the appropriate menu Targets SET SHOW The cursor underline indicates the selected menu item Press Enter to navigate into the submenu Scroll through the parameters by using the DownArrow and UpArrow buttons SET SHOW RELAY Press the Enter button to change a parameter setting Use the UpArrow and DownArrow and the LeftArrow and Right Arrow push buttons to modify the parameter After changing the parameter press the Esc push button until the following message appears Save Changes Yes No Select and enter the appropriate command by pressing the Enter push button Select Yes to save the settings changes and No to discard the changes NOTE Each 825 P is shippe
230. rrents inside this device can cause electrical shock that can lead to injury or death Equipment components are sensitive to electrostatic discharge ESD Undetectable permanent damage can result if you do not use proper ESD procedures Ground yourself your work surface and this equipment before removing any cover from this equipment If your facility is not equipped to work with these components contact Rockwell Automation about returning this device and related Rockwell Automation equipment for service The 825 P firmware can be upgraded in the field refer to Chapter 13 Firmware Upgrade Instructions You know when a self test failure has occurred by monitoring the front panel messages By using the metering functions you know if the analog front end not monitored by relay self test is functional Refer to Chapter 11 Testing and Troubleshooting for detailed testing and troubleshooting information The only two components that can be replaced in the field are the power supply fuse and the real time clock battery A lithium battery powers the clock date and time if the external power source is lost or removed The battery retains the thermal memory for the thermal overload function when the power source is lost or removed The battery is a 3V lithium coin cell Rayovac BR2335 or equivalent At room temperature 25 C the battery operates nominally for ten years at rated load When the relay is powered from an external source the battery
231. rts ServFact RnSTIC STIC2nd OLBiasing Data Bits Protocol In GF CB An Parity Speed In2 GR Res P Trip Alarm gt Short Set Trip Lvl Trip Dly Warn Lvl Warn Dly Stop Bits Parity GF Ang GF CB Settings H Trip Lvl Dly Warn Lvl Warn Dly Port TO Slave 1D iva Overload Hndshke I GF Res Settings H Trip Lvl Trip Dly Warn Lvl Warn Dly Mtr Load Undercur EINE Jam gt Jam Settings Trip Lvl Trip Dly Warn Lvl Warn Dly Freq Curr Imb Under Current Set H Trip Level Trip Delay Warn Lvl Warn Dly Start Inh Shrt Ckt G Current Imb Set Trip Level Trip Delay Warn Lvl Warn gt Thermal Speed SW t Prot Disable Prot Inh OL Inh Mtr Load Undrfreq Start Monitor St Mtr Time Queres Star Delta 5 Star Del En Max StarT I Star Delta Set tar Del En Max Star Thrm Trip Lckd Rot Tto Rset Ph Rever gt Start Inhibit Set H Start Hr Min Rstrt blk T atima Phase Rev Set Ph Rv En Rem Trip Other gt Speed SW Set Trip Dly Warn Dly Total PTC Settings PTC En PTC Rst e Reset Stats gt RTD Settings RTD En RTD Rst RTD Loc RTD Type RTD Trip RTD Warn Wdng Trip Bear Trip TMP Bias 1 Freq Settings F1 Trip Lvl F1 Trip Dly F1 Wen Lvl F1 Wen Dly F2 Trip Lvl F2 Trip Dly F2 Wen Lvl F2 Wrn Dly Yes No Load Control Set H Load Ctrl Ctrl Up Ctrl Low gt 1 0 Settings Analog 0 Trip Inhibit Curr Imb Jam GF Short Ckt Undercu
232. ry is permitted as the burden is provided in the converter module circuitry 5 Total Measurement Error percentage 5 within range up to rated nominal overcurrent 196 at rated nominal primary current P For Protection Purposes 10 Rated Nominal Overcurrent Factor 10X rated nominal primary current ext Extended Rated Thermal Current 120 of rated nominal primary current if motor gt 8796 12096 of rated nominal transformer current Ratio 100 1 Current Range 0 5 10A Continuous Thermal Current 0 5A Saturation Current 30A Thermal Current 1s Duration 25A Rated Burden at Maximum Rated Current 04 VA Rated Frequency 50 60 Hz Rockwell Automation Publication 825 UM004D EN P April 2012 191 ChapterA Specifications DeviceNet Communication Card 192 Electrical DeviceNet Supply Voltage 11 25 VDC Input Current 0 085 A max 0 035 A typical Power Consumption 2 04 W max 0 84 W typical Environmental Ambient Temperature Operating 20 60 Storage 40 852 40 185 Humidity operating 5 95 non condensing Vibration per IEC 68 2 6 5G Shock per IEC 68 2 27 306 Communication Baud Rates 125 250 500 kbps Distance max 125 kbps 500 m 1640 ft 250 kbps 200 m 656 ft 500 kbps 100 m 328 ft Standards CSA 22 2 No 14 EN 60947 4 1 EN 60947 5 1 UL 508 Rockwell Automation Publication 825 UM004D EN P
233. s e Appendix E DeviceNet Information Describes the details of the features supported by the 825 P DeviceNet option card Typographic Conventions The primary ways to configure the 825 P are by using MPS Explorer configuration and monitoring software e acommand line interface on a PC terminal emulation window such as Microsoft HyperTerminal the front panel menus and push buttons Examples This instruction manual uses several example illustrations and instructions to explain how to effectively operate the 825 P These examples are for demonstration purposes only The firmware identification information or settings values included in these examples may not necessarily match those in the current version of your 825 P Example Description STATUS Commands typed at a command line interface on a PC Enter Single keystroke on a PC keyboard Ctrl D Multiple combination keystroke on a PC keyboard Start Settings PC dialog boxes and menu selections The gt character indicates submenus CLOSE Relay front panel push buttons ENABLE Relay front panel or rear panel labels MAIN gt METER Relay front panel LCD menus and relay responses The gt character indicates submenus Rockwell Automation Publication 825 UM004D EN P November 2012 Overview Features Chapter 1 Introduction The 825 P Motor Relay is designed to protect three phase motors The basic relay provides locked rotor overload unb
234. sponse message that includes the exception code in the data field The relay sets the most significant bit in the function code field to indicate to the master that the data field contains an error code instead of the requested data The 825 P calculates a 2 byte CRC value using the device address function code and data region It appends this value to the end of every Modbus response When the master device receives the response it recalculates the CRC If the calculated CRC matches the CRC sent by the 825 P the master device uses the data received If there is not a match the check fails and the message is ignored The devices use a similar process when the master sends queries Use function code 03h to read directly from the Modbus Register Map shown in Appendix B You may read a maximum of 125 registers at once with this function code Most masters use 4X references with this function code If you are accustomed to 4X references with this function code for five digit addressing add 40001 to the standard database address Rockwell Automation Publication 825 UM004D EN P November 2012 Modbus Communications Chapter 10 Table 68 03h Read Holding Register Command Sheet 1 of 2 Bytes Field Requests from the master must have the following format 1 byte Slave Address 1 byte Function Code 03h 2 bytes Starting Register Address 2 bytes Number of Registers to Read 2 bytes CRC 16 A successf
235. st DeviceNet systems use address 0 for the master device Scanner and node address 63 should be left vacant for introduction of new slave devices The node address and data rate for the 825 PDN DeviceNet Communication Card can be changed using software or by setting the hardware switches that reside on the card While both methods yield the same result it is a good practice to choose one method and deploy it throughout the system Rockwell Automation Publication 825 UM004D EN P November 2012 117 Chapter9 825 DeviceNet Communication Card Setting the Hardware Switches Use the following steps to commission the card 1 Set the node address switches Figure 41 Node Address and Data Rate Setting Switches PGM a MSD MAC ID 8 2 LSD PGM Table 53 Node Address MAC ID Setting Switch Setting Description 0 63 Node address setting determined by switch values when set in this range MSD most significant digit 150 least significant digit 64 99 For switch settings in this range node address setting is determined by the software setting using the RSNetWorx for DeviceNet configuration tool 99 Factory default setting 118 Rockwell Automation Publication 825 UM004D EN P November 2012 825 PDN DeviceNet Communication Card Chapter 9 2 Set the data rate switches Table 54 Data Rate Setting Switch Setting Description 0 125K 1 250K 2 500 K 32 9 For a s
236. t 4 Bit 3 Bit 2 Bit 1 Bit 0 0 MCM err RTD err PTC err RTD Amb RTD other Freq 2 Freq 1 Stall 1 Remote Comm Idle Comm Loss This is a Read Only status assembly Instance 189 Module Status Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 1 0 Idle 1 0 Flt Exp Fit 1 0 Cnxn Exp Cnxn 1 Warning Trip Rockwell Automation Publication 825 UM004D EN P April 2012 249 Chapter E DeviceNet Information Standard Output Consumed Assemblies Byte Bit7 Bit 6 Instance 2 is the required output consumed assembly defined in the Motor Overload Profile Bit 5 Instance 3 ODVA Overload Bit 4 Bit3 Bit 2 Bit 1 Bit 0 0 Fit Reset Instance 150 is the standard output consumed assembly with Network Inputs Bit 7 Instance 150 Standard Consumed Starter Byte Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 Aux 8 Aux7 Aux 6 Aux 5 Aux 4 Aux 3 Aux 2 Aux 1 1 Fit Reset Aux 10 Aux 9 Instance 151 is the standard output consumed assembly with Network Inputs Instance 151 Standard Consumed Starter with Network Inputs Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 0 Aux 8 Aux7 Aux 6 Aux 5 Aux 4 Aux 3 Aux 2 Aux 1 1 Fit Reset Aux 10 Aux 9 2 Net In 8 Net In7 Net In 6 Net In 5 Net In 4 Net In 3 Net In 2 Net In 1 3 Net In 16 Net In 15 Net In 14 Net In 13 Net In 12 Net In 11 Net In 10 NetIn 9 4 Net In 24 Net In 23 Net In 22 Net In 21 Net In 20 Net In 1
237. t Description Rule Type 7 Get Set Prod Assy Word 0 UINT 1 Defines Word 0 of Assy 100 8 Get Set Prod Assy Word 1 UINT 5 Defines Word 1 of Assy 100 9 Get Set Prod Assy Word 2 UINT 6 Defines Word 2 of Assy 100 10 Get Set Prod Assy Word 3 UINT 7 Defines Word 3 of Assy 100 15 Get Set Autobaud Enable BOOL 0 1 1 1 enabled 0 disabled 16 Get Set Consumed Assy USINT 0 185 150 17 Get Set Produced Assy USINT 0 185 103 19 Get Set Set To Defaults BOOL 0 5 1 0 0 No action 1 Reset 23 Get 1 0 Produced Size USINT 0 16 Read only 24 Get 1 0 Consumed Size USINT 0 8 Read only 30 Get DeviceNet Voltage UINT Read only 50 Get Set PNB COS Mask WORD 0 0x00FF 0 Change of state mask for PNBs 55 Get Set Prod Assy Word 4 UINT 0 Defines Word 4 of Assy 100 56 Get Set Prod Assy Word 5 UINT 0 Defines Word 5 of Assy 100 57 Get Set Prod Assy Word 6 UINT 0 Defines Word 6 of Assy 100 58 Get Set Prod Assy Word 7 UINT 0 Defines Word 7 of Assy 100 65 Get Set Status COS Mask 1 UINT 0 ffff 0 66 Get Set Status COS Mask 2 UINT 0 ffff 0 67 Get Set Trip COS Mask 1 UINT 0 ffff 0 68 Get Set Trip COS Mask 2 UINT 0 ffff 0 69 Get Set Warning COS Mask 1 UINT 0 0 70 Get Set Warning COS Mask 2 UINT 0 0 Rockwell Automation Publication 825 UM004D EN P April 2012 263 ChapterE DeviceNet Information The following common services are implemented for the DeviceNet Interface Object Implemented for Service Code Service
238. t are displayed on the screen The control type can be changed via the Bits Gauges and Graphs tab along the top of the window The Layout tab shown below can be used to view the correlation between control numbers and their position on the main trending window Data Acquisition Settings Bits E mm AUGE GAGE Pairs EJEA 4 GAUGE GAUGE GAUGE 4 5 6 GRAPH 1 GRAPH 2 Time between samples 200 seconds The time between samples can be changed within this window It can be decreased to allow for a more accurate representation of the monitored event or increased to reduce space if metering for a long period of time NOTE The sampling time will be affected by the current serial port speed setting and other factors of latency involved in serial communications Collecting TAR MET and RTD data simultaneously will have a higher minimum acquire time than collecting only one or two of the parameters separately By default MPS Explorer uses a minimum half second acquire time but in most applications this should be higher to minimize data loss Validate Settings The validate settings dialog quickly checks the device settings and will catch errors or inconsistencies when the parameter settings do not match the hardware settings or capabilities The validation can be done manually by clicking the highlighted button or automatically before a settings download takes place Rockwell Automation Publication 825 UM004D EN P
239. tallation or connection prior to being made available for configuration ATTENTION Configuration of protection elements is not complete until the elements are assigned to the trip or auxiliary relays Refer to 1 0 Assignments for instructions Rockwell Automation Publication 825 UM004D EN P November 2012 69 Chapter6 Configuring Protection Logic Functions Overload Thermal Model The 825 P motor thermal element provides integrated protection for all of the following motor operating conditions e Locked rotor starts Running overload e Imbalance current negative sequence current heating Repeated or frequent starting NOTE You can set the Run State Time Constant of the thermal overload curve If the Run State Time Constant is not known set it to Auto the relay configures the overload curve continuous with the locked rotor curve When overload protection is enabled the relay configures a thermal curve based on the motor Full Load Amps Service Factor Locked Rotor Amps Hot Locked Rotor Time and Acceleration Factor settings See Figure 32 for selected settings of Thermal Overload curves The relay operates a thermal model with a trip value defined by the relay settings and a present heat estimate that varies with time and changing motor current The relay expresses the present motor thermal estimate as Thermal Capacity When the Thermal Capacity reaches 100 the relay trips If the thermal model is tur
240. ter 6 Configuring Protection amp Logic Functions 88 For relay application on an induction motor it is recommended that the installer disable the elements by setting both the Negative VAR Warn Level and Negative VAR Trip Level settings to Off Underpower Table 31 Underpower Settings Setting Prompt Setting Range Factory Default UP TRIP LEVEL Off 1 25000 kW Off UP TRIP DELAY 0 2405 1 UP WARN LEVEL Off 1 25000 kW Off UP WARN DELAY 0 2405 1 NOTE Underpower Trip and Warning Level settings are in Primary kW If the real three phase power falls below the warning or trip level for longer than the time delay setting the relay can issue a warning or trip signal The underpower elements are disabled when the motor is stopped or starting Underpower elements operate in addition to the Load Loss function and you can use them to detect motor load loss and other underpower conditions Disable the elements by setting the Underpower Warning Level and Underpower Trip Level settings to Off Power Factor Table 32 Power Factor Settings Setting Prompt Setting Range Factory Default PF LAG TRIP LEV Off 0 05 0 99 off PF LD TRIP LEV Off 0 05 0 99 Off PF TRIP DELAY 0 2405 1 PF LAG WARN LEV Off 0 05 0 99 Off PF LD WARN LEV Off 0 05 0 99 Off PF WARN DELAY 0 2405 1 If the measured power factor falls below the leading or lagging level for longer than the tim
241. tes after the oldest start If the motor stops or is tripped within the minimum time between starts period the relay asserts the Trip output contact to prevent a new start until the minutes after the most recent start equals the Min Off Time setting In certain pump applications fluid flowing backward through the pump could spin the pump motor for a short time in the reverse direction after the motor is stopped An attempt to start the motor during this time can be damaging To prevent motor starts during the backspin period enter a time in minutes in the RESTART BLK TIME setting If the relay trips or the motor is stopped the relay generates a trip signal and maintain it for at least this amount of time The relay does not issue a start during the Restart Block period The relay maintains the trip signal until enough time passes for the motor to be safely restarted During the lockout period the relay displays a countdown time in minutes to the next allowed start The Emergency Restart function overrides all three limits clearing TCU to zero and allowing the motor to be put back in service for an emergency Table 24 Phase Reversal Setting Setting Prompt Setting Range Factory Default PH REV ENABLE The 825 P uses phase currents or phase voltages if available to determine that the phase rotation of signals applied to the relay matches the phase rotation setting When you set Ph Rev Enable equal to Y the relay trips 0
242. th particular activities The commands are shown in upper case letters but they can also be entered with lower case letters Serial Port Command Access Level Command Description 2AC 1 2 Go to Access Level 2 ACC 0 2 Go to Access Level 1 ANA 2 Test analog output refer to Chapter 12 ASCII Serial Communications for details DAT 1 2 View date DAT mm dd yyyy 1 2 Enter date in MDY format if DATE_F setting is MDY DAT dd mm yyyy 1 2 Enter date in DMY format if DATE F setting is DMY DAT yyyy mm dd 122 Enter date YMD format if DATE F setting is YMD MET 1 2 Display instantaneous metering data MET k 1 2 Display instantaneous metering data k times where kis 1 32767 METT 1 2 Display thermal and RTD metering data MOT 1 2 Display motor operating statistics report MOT R orC 2 Reset motor operating statistics PAS 2 Show existing Access Level 1 and Level 2 passwords PAS 1 2 Change Access Level 1 password to PAS 2 2 Change Access Level 2 password to QUI 12 Go to Access Level 0 SER 12 Display all Sequential Events Recorder SER data SER 12 Display the n most recent SER records starting with record n SER 7 2 1 2 Display SER records n2 n1 starting with n2 SER d1 12 Display all SER records made on date 47 SER d d2 12 Display all SER records made from dates d2 d1 inclusive starting with d2 SER R or C 1 2 Reset SER data SET
243. the U S A
244. the UNIT ID LINE 1 RID and UNIT ID LINE 2 TID settings described in Identifier Settings to change the contents of the information shown in Figure 23 If the front panel was in Access Level 2 it automatically returns to the default display when the display times out For more information see Table 40 Rockwell Automation Publication 825 UM004D EN P November 2012 33 Chapter3 Panel Operation Front Panel Automatic Messages 34 The display changes for the following relay conditions in the order of precedence see Table 3 Status failure Trip condition time to trip if under 10000 seconds Warning Lockout start request Emergency start in progress The relay displays automatic messages under the conditions described in Table 3 Table3 Front Panel Automatic Messages Condition Front Panel Message Relay detecting any failure Displays the type of latest failure see Chapter 11 Relay trip has occurred Displays the type or cause of the trip See the list of the types of Trip messages under the heading Front Panel Messages Motor running overload Displays the predicted time to thermal element trip in seconds Relay alarm condition has Displays the type of alarm see Alarm or Warning Messages occurred When a start is requested during Displays the type of lockout condition see Lockout Messages a lockout condition Control input set to Displays Protect Disabled
245. the level set by Load Control Upper for one second the assigned auxiliary relay operates The auxiliary relay resets when the parameter drops below the upper level setting for one second When the selected parameter drops below the level set by Load Control Lower for 1 second the assigned auxiliary relay operates The auxiliary relay resets when the parameter is above the lower level setting for 1 second You can use this feature to control the motor load within set limits Analog Output Table 35 1 0 Settings Setting Prompt Setting Range Factory Default ANALOG OUT SEL LOAD I AVG I MAX WDG_RTD PWR kW PF LOAD 1 The expansion I O option provides a 4 20 mA DC analog current output with a variety of output parameters Use the Analog Output Select setting to select a parameter from the list of available options Table 36 shows description and scaling of the output for different parameter selections Table 36 Scaling of Analog Output ANALOG OUT SEL Description Output Scaling 4 mA 20 mA AOPARM Unit LOAD_ Average Load Current 0 0 1 0 Per Unit of FLA AVG Average Load Current 0 2 2 0 Per Unit of FLA MAX I Maximum of the Phase currents 0 2 2 0 Per Unit of FLA THERM Percentage Thermal Capacity 0 100 TCU WDG_RTD Hottest Winding RTD Temperature 0 250 C BRG_RTD Hottest Bearing RTD Temperature 0 250 C PWR_kW Motor Power 0 0 1 0 per
246. them together to drive the Aux output By default the trip protection assignments are unlatched The 825 P with firmware revision 4 01 and higher can latch the trip protection assignment by setting bit 4 in Aux 4D The user must reset the 825 P with the front Test Reset button or through communications to reset the auxiliary output If NET WORK is mapped to an AUX output the DeviceNet network can control the output The DeviceNet can individually control those Auxiliary outputs with NET WORK mapped to them Rockwell Automation Publication 825 UM004D EN P November 2012 Configuring Protection amp Logic Functions Chapter 6 Input I 0 Table 44 Input Assignments Setting Prompt 0 1 2 3 4 5 6 7 0 1 Description IN X Emergency Start X Disable Settings X Trip Reset X Timer 1 X Timer2 X Speed Switch X Block Protection X Speed 2 X Breaker Contactor Auxiliary X Remote Trip NOTE The 825 P allows one control function to an input and one input to a control function see Table 5 NOTE In addition to setting an Input Assignment you must connect a control contact to the input see Figure 16 for a typical connection diagram The 825 P provides the ability to assign a control function to each control input Table 44 shows the available control functions and the method of assigning them When a control input is asserted the 825 P pe
247. tings or the settings in the specified file The hardware settings will not be restored until the settings are downloaded to the device Hardware Navigate to MPS gt Commands gt Restore Defaults to restore the hardware factory defaults This option will immediately restore the hardware parameter values and perform a hardware reboot After the reboot is complete the software must be reconnected manually Performing this action will alter the state of the relay and should not be performed while the relay is being used in an application Hardware Reboot Navigate to MPS gt Commands gt Reboot Relay to initiate a hardware reboot that will clear the hardware self test status This action will change the state of the relay and should not be performed while it is being used in an application Problem 5 Explorer does not detect the presence of the hardware even when the auto detect option is used Solution Ensure the correct serial port is selected in the Communications Settings window Make sure the serial cable is physically and securely connected to the computer and relay Close all other applications that may be attempting to access the serial port Problem hard copy of the parameters and their current values is desired Solution Save the parameters a file and open that file in any text editor With the text editor the file can be printed as any normal text file Be careful not to modify the text if the file will b
248. to the back panel 825 P Option Card installation instructions User Supplied Equipment e Small slotted screwdriver 0 6 x 3 5 mm e DeviceNet cable a thin cable with outside diameter of 6 9 mm 0 27 in is recommended Configuration tool e g RSNetWorx for DeviceNet Computer with an installed DeviceNet communication adapter e 825 P User Manual Wiring 1 Remove power from the DeviceNet network and 825 P Modular Protection System relay 2 Use static control precautions Connect a DeviceNet cable to the network Qe 4 Terminate the bare leads of the DeviceNet cable to the 5 pin linear plug as illustrated in Figure 40 116 Rockwell Automation Publication 825 UM004D EN P November 2012 Node Commissioning 825 PDN DeviceNet Communication Card Chapter 9 Figure 40 Connecting 5 Pin Linear Plug to DeviceNet Cable Table 52 Linear Plug Function Descriptions Terminal Color Signal Function 5 Red V Power Supply 4 White Can_H Signal High 3 Bare SHIELD Shield 2 Blue CAN_L Signal Low 1 Black V Common 5 Connect the wired 5 pin linear plug to the 825 PDN DeviceNet Communication Card securing with the two screws The 825 PDN DeviceNet Communication Card is shipped with a default software node address MAC ID setting of 63 and the data rate set to Autobaud Each device on a DeviceNet network must have a unique node address which can be set to a value from 0 to 63 Keep in mind that mo
249. topped time and percent time running e Total number of motor starts Number of emergency starts Chapter 7 Metering amp Monitoring includes additional details on the motor operating statistics report Issuing the MOTOR or MOTOR command from Access Level 2 clears the report PASSWORD Level 1 or 2 NOTE This device is shipped with Access Level 1 and Access Level 2 password protection disabled Access Level 1 and Access Level 2 password protection must be restored at installation Failure to install Access Level 1 and Access Level 2 private passwords could allow unauthorized access Rockwell Automation is not be responsible for damage resulting from unauthorized access The Access Level 2 PAS command allows you to inspect or change the existing password To inspect the Access Level 1 and Access Level 2 passwords type PAS and then press Enter The relay displays the present passwords The factory ships the relay with the passwords disabled For example to change the password for Access Level 2 to BIKE type PAS 2 BIKE and then press Enter After entering the new password type PAS and then press Enter to inspect it If the password is correct record it for future reference If you make three incorrect password guesses access is denied and the SALARM Relay Word bit is set for one second The password can include up to eight characters Valid characters consist of all printable characters from the 7 bit ASCII set
250. ts IN3 IN4 and IN5 are available when an optional 1 0 extension card is present 825 PIOD inputs are rated 120V AC DC 825 PIOR inputs are rated 24V AC DC See Table 42 for mapping protection elements to the Trip output See Figure 7 and Figure 16 for typical control circuit connections See Table 43 for mapping protection and or control elements to the Aux outputs Outputs Aux3 through Aux6 are available when an optional 1 0 extension card is present Analog Output is available when an optional 1 0 extension card is present You can connect up to six thermistors PTC in series See Table 2 for PTC cable requirements Use up to 500 meter long Simplex 62 5 125 mm fiber optic cable ST ST O Available when an optional DeviceNet Communications Protocol Card is present Rockwell Automation Publication 825 UM004D EN P November 2012 AC Control Connection Diagrams Installation Chapter 2 Table 2 shows the maximum cable lengths for the PTC connections Table 2 PTC Cable Requirements Wire Size Maximum Length Maximum Length Twisted Pair meters Shielded Cable meters AWG No Unshielded Cable 20 200 100 18 300 100 17 400 100 16 600 100 14 1000 100 This section describes fail safe versus non fail safe tripping describes voltage connections and provides the AC and DC wiring diagrams for the following applications Across the line starting e Star delta starting e Two speed motor Fail Safe
251. tting If you expect the motor to normally operate at no load disable the Trip and Warn elements The relay automatically hides the associated time delay settings Rockwell Automation Publication 825 UM004D EN P November 2012 77 Chapter6 Configuring Protection Logic Functions Current Imbalance Phase Loss Table 19 Current Imbalance Settings Setting Prompt Setting Range Factory Default CI TRIP DELAY 0 2405 5 CI WARN LEVEL Off 5 80 10 CI WARN DELAY 0 2405 10 Imbalanced motor terminal voltages cause imbalanced stator currents to flow the motor The negative sequence current component of the imbalance current causes significant rotor heating While the 825 P motor thermal element models the heating effect of the negative sequence current you could want the additional imbalance and single phasing protection offered by a current imbalance element The 825 P calculates percent imbalance current in one of two ways depending on the magnitude of the average current When the average current lav is 1 greater than the motor rated full load current the relay calculates the percent imbalance lav UB 100 x lav 2 less than the motor rated full load current the relay calculates the percent imbalance _ Im lav UB 100 x FLA where UB current imbalance percentage Im magnitude of phase current with largest deviation from average lav magnitude of the average ph
252. ue is below 100 START INH LEVEL This feature can be disabled by setting START INH LEVEL equal to Off A stopped motor could take longer to cool than a running motor because of reduced airflow or loss of forced coolant The equation used is COOLTIME 0 03 k LRTHOTn LRAn 2 minutes where 1 or 2 select the one that gives higher COOLTIME gt 1 0 Round up the result to the next integer The value k 1 0 yields stop cool time equal to run cool time The factory default settings assume that the motor stopped cooling time is approximately the same as the motor running cooling time Calculate the STOP COOL TIME setting for your application using the value that you want for k 1 0 Rockwell Automation Publication 825 UM004D EN P November 2012 73 Chapter 6 Configuring Protection amp Logic Functions 74 Motor running and stopped cooling times or time constants could be provided by the motor manufacturer If a time constant is provided multiply that value by 3 to calculate the STOP COOL TIME setting OL RESET MODE determines the reset mode for the overload element If set to Auto the overload trip resets automatically when the element resets provided no other trip conditions are present If set to Manual Operator intervention is required to reset the overload trip OL RESET LEVEL determines the Thermal Capacity Utilized TCU Level below which the relay allows Reset Automatic or Manual followin
253. uency element When the level setting is greater than the Nominal Frequency setting the element operates as an overfrequency element The relay measures system frequency for these elements using the positive sequence voltage if the voltage input option is present Otherwise the relay uses positive sequence current Load Control Function Table 34 Load Control Settings Setting Prompt Setting Range Factory Default LOAD CONTROL SEL Off Current Power TCU Off LD CTL CUR UPPER Off 0 20 2 00x Z Off LD CTL CUR LOWER Off 0 20 2 00x Z Off LD CTL PWR UPPER Off 1 25000 kW Off LD CTL PWR LOWER Off 1 25000 kW Off LD CTL TCU UPPER Off 1 99 TCU Off LD CTL TCU LOWER Off 1 99 TCU Off Rockwell Automation Publication 825 UM004D EN P November 2012 89 Chapter6 Configuring Protection Logic Functions 1 0 Configuration 90 NOTE Prompt of settings LD CTL UPPER and LD CTL LOWER are dependent on the LD CONTROL SEL setting All possible prompts are shown in Table 34 NOTE In addition to setting the Load Control levels you must assign LD CTL UPPER and LD CTL LOWER to auxiliary output relays one each see Table 43 and Figure 16 for connection diagrams The 825 P provides an ability to control external devices based on parameter Load Control Selection You can select Current Power or Thermal Capacity Utilized to operate auxiliary outputs When the selected parameter exceeds
254. ues Relay Option Meter Values All Models Line Currents L1 L2 and L3 IN Core Balance Ground Fault Current magnitudes A and phase angles IG Residual Ground Fault Current magnitude and phase angle IM Average Current Magnitude Average Motor Load x Current Imbalance 96 System Frequency Hz With Voltage Option VAB VBC VCA or VAN VBN VCN VG magnitudes V and phase angles Average Voltage L L or L N Voltage Imbalance 96 Real Power kW Reactive Power kVAR Apparent Power kVA Power Factor Real Energy MWh Reactive Energy MvARh Apparent Energy MvAh All angles are displayed between 180 180 Delta connected PT angles are referenced to VAB or L1 and wye connected PT angles are referenced to VAN or L1 If the voltage channels are not supported or if VAB 13V for Delta or VAN lt 13V for Wye PT angles are referenced to L1 current Thermal Metering The thermal metering function reports the present values of the input temperatures and several quantities related to the motor overload protection function Table 47 Table 47 Thermal Meter Values Relay Option Thermal Values All Models Average Motor Load x Thermal Capacity Used Time to Trip s Time to Reset min Starts Available With External 825 PR12D Module All RTD Temperatures RTD Thermal Capacity NOTE If the Overload Protection is disabled the relay alw
255. ul response from the slave will have the following format 1 byte Slave Address 1 byte Function Code 03h 1 byte Bytes of data n bytes Data 2 250 2 bytes CRC 16 The relay responses to errors in the query are shown in Table 69 Table 69 Responses to 03h Read Holding Register Query Errors Error Error Code Returned Communication Counter Increments Illegal register to read Illegal Data Address 02h Invalid Address Illegal number of registers to read Illegal Data Value 03h Illegal Register Format error Illegal Data Value 03h Bad Packet Format TIP The first holding register parameter for the 825 P ia 1 Some Modbus masters use 0 as the first holding register This can give the appearance of data being offset by one register 06h Preset Single The 825 P uses this function to allow a Modbus master to write directly to a Reaister C d database register Refer to the Modbus Register Map in Appendix B for a list egister comman of registers that can be written using this function code If you are accustomed to X references with this function code for six digit addressing add 400001 to the standard database addresses In Table 70 the command response is identical to the command request Rockwell Automation Publication 825 UM004D EN P November 2012 137 Chapter10 Modbus RTU Communications Table 70 06h Preset Single Register Command Bytes Field Requests from the master must have the f
256. unit FLVA PF Motor Power Factor 0 8 Lag 0 8 Lead Rockwell Automation Publication 825 UM004D EN P November 2012 Configuring Protection amp Logic Functions Chapter 6 Select LOAD_I to scale the analog output based on motor current if the output is not of interest during overload conditions Select either AVG_I or MAX_I to scale the analog output based on motor current and if the output is required during overload conditions Both LOAD Iand AVG I use an average magnitude of three phase currents to drive the analog output MAX I uses a maximum magnitude of the three phase currents If the relay includes the voltage input option and you select PWR kW parameter the analog output is scaled using real power The following defines per unit FLVA 1 per unit FLVA 1 732 FLAn where VNOM Nominal voltage setting FLAn Full Load Current setting n 1 for Speed 1 or 2 for Speed 2 If the relay includes the voltage input option and you select PF parameter the analog output is scaled using power factor For power factors 0 8 lag unity and 0 8 lead the analog outputs are 4 mA 12 mA and 20 mA respectively Trip Inhibit Block Table 37 Trip Inhibit Settings Setting Prompt Setting Range Factory Default CURRENT IMBALANC YN N JAM YN N GROUND FAULT YN N SHORT CIRCUIT YN N UNDERCURRENT YN N START INHIBIT YN N PTC YN N RTD N NOTE In addition to selectin
257. unregistered device If the screen appears like in Figure 42 continue with Registering an EDS file Rockwell Automation Publication 825 UM004D EN P November 2012 119 Chapter9 825 PDN DeviceNet Communication Card gt DeviceNet RSNet Worx for DeviceNet ele Edt Network Device Diagnostics Took Help Az Figure 42 Network Online Screen Rockwell Automation Alen Eradey Rockwell Automation Dodge Rockwell Automation gt Electro Craft Motion Control Rockwell Automation Rebance Dectric Rockwell Automation Sprecher Schuh SEW Eurodrive 18 x Unrecognized Davice 63 6 If RSNetWorx recognizes the device as an 825 P Modular Protection System skip ahead to the section Using the Node Commissioning Tool of RSNetWorx for DeviceNet Registering an EDS File Download the 825 P DeviceNet EDS from the Internet at http www rockwellautomation com rockwellautomation support networks eds page Use the RSLinx Classic EDS Hardware Installation tool to register the new EDS file 120 Rockwell Automation Publication 825 UM004D EN P November 2012 825 PDN DeviceNet Communication Card Chapter 9 Using the Node Commissioning Tool of RSNetWorx for DeviceNet 1 From the Tools menu at the top of the screen select Node Commissioning 2 To prompt a screen similar to Figure 43 select Browse Figure 43 Node Commissioning Device Solution Window
258. uration has been modified the user Rockwell Automation Publication 825 UM004D EN P November 2012 55 Chapter5 Using MPS Explorer is able to confirm or ignore the changes from this screen The relay will reboot when the hardware changes are confirmed Device Status Information 025 7 Date 04 28 2012 Time 06 59 09 803 pot TID 025 7 3503 VO 2CO1001 D20120315 CID 65F0 identity Code 188200 LIMEXIXOXQX 27 Tests Current tt Offset Voltage 10 98 0 90 02 757 3 77 Check 1 0 Crd CON og RE Mg 0009 0000 i 3 8 SUM Events Summary Report The Event Summary Report function displays the five most recent events Events Summary Report e tvm time Cur Curr Curr Curr Curr Volt vo vok vor 1 TestButton Trip 08 27 2012 13 36 39 250 0 0 0 0 0 0 0 0 0 00 2 TestButtonTrip 08 27 2012 13 36 32 350 0 0 0 0 0 0 0 0 0 00 Refresh Device Export csv Ex 56 Rockwell Automation Publication 825 UM004D EN P November 2012 Using MPS Explorer Chapter 5 MET Instantaneous Metering RTD RTD Thermal Metering The Instantaneous and Thermal Metering functions display the collection and export data in real time The user is able to configure the parameters that are displayed for both instantaneous and thermal metering L Thermal and RTD Met
259. ure 29 Setting the core balance CT Ratio equal to 10 and Ground Fault Trip Level equal to 5 A with 0 10 second time delay ensures that the element quickly detects and trips for motor ground faults but prevents faulty operation due to unequal breaker or contactor pole closing times Figure 29 Ground Fault Protection Using Core Balance CT Co pK 10 A 10A 101 C Ground Fault Window Table 16 Ground Fault Residual Settings Setting Prompt Setting Range Factory Default GF RES TRIP LEVL Off 0 10 1 00xZ Off GF RES TRIP DLAY 0 00 5 00s 0 50 GF RES WARN LEVL Off 0 10 1 00xZ Off GF RES WARN DLAY 0 0 120 05 10 0 NOTE Phase CT ratios are typically higher than CB CT ratios For this reason the relay sensitivity to motor ground faults is less when the residual overcurrent element is used instead of the CB element A separate ground fault detection method should be used if a CB CT is not available in applications where resistance grounding reduces the available ground fault current For solidly grounded systems the residual ground fault elements can be used 76 Rockwell Automation Publication 825 UM004D EN P November 2012 Configuring Protection amp Logic Functions Chapter 6 Jam Undercurrent Load Loss Table 17 Jam Settings Setting Prompt Setting Range Factory Default JAM TRIP LEVEL Off 1 00 6 00x Off JAM TR
260. urned as a NULL terminated ASCII string and provide the human readable label for the profiled data If the load profile channel is unused then the associated label is an empty string 2 Write the date and time for the first desired record to the Start Record Time Date registers of the Load Profile region of the map Up to 100 records are available on or after the selected date and time Channels that are not profiling data returns a reserved value when read see Table 84 Table 84 Modbus Conversion Conversion Description Reserved Value INT Value ranges 32767 32767 0x8000 INT10 INT with scale factor of 10 0x8000 divide by 10 to obtain value INT100 INT with scale factor of 100 0x8000 divide by 100 to obtain value INT1000 INT with scale factor of 1000 0x8000 divide by 1000 to obtain value Rockwell Automation Publication 825 UM004D EN P November 2012 145 146 Chapter10 Modbus RTU Communications Conversion Description Reserved Value UINT Value ranges from 0 to 65535 0x8000 UINT10 UINT with scale factor of 10 0x8000 divide by 10 to obtain value UINT100 UINT with scale factor of 100 0x8000 divide by 100 to obtain value UINT1000 UINT with scale factor of 1000 0x8000 divide by 1000 to obtain value LONG Value ranges 2147483647 2147483647 most 0x80000000 significant word in lower address register LONG10 LONG with scale factor of 10 0x80000000 divide by 10
261. using the Emergency Restart function Rockwell Automation Publication 825 UM004D EN P November 2012 101 Chapter6 Configuring Protection Logic Functions The relay asserts the Emergency Restart bit in response to any of the following conditions the control input assigned to Emergency Restart asserts e the relay receives a network Emergency Restart control command When the Emergency Restart bit asserts the relay does the following e Resets the motor thermal element capacity used to 0 Manipulates the Starts Per Hour Minimum Time Between Starts and Anti backspin functions to permit an immediate start De asserts the Trip output contact if a fault detecting element is not picked up e Initiates a motor start 102 Rockwell Automation Publication 825 UM004D EN P November 2012 Configuring Protection amp Logic Functions Chapter 6 Overload Curves Figure 34 Thermal Overload Curves 100000 Trip times are for cold ambient motor without preload Relay Settings Service Factor SF 1 01 Acceleration Factor TD 1 00 Run State Time Constant RTC Auto Motor LRC 6 0 la 10000 Locked Rotor Time o in seconds 1000 9 Y a 600 o 400 E 200 1 M 100 50 25 10 10 5 1 1 2 3 4 5678910 Multiples of Full Load Amps Rockwell Automat
262. ved Reserved Reserved Reserved Reserved Fault Table 56 Example ControlLogix Output Address consumed assembly Instance 2 ODVA Overload Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Address Local 1 0 Local 1 0 Local 1 0 Local 1 0 Local 1 0 Local 1 0 Local 1 0 Local 1 0 Data 1 7 Data 1 6 Data 1 5 Data 1 4 Data 1 3 Data 1 2 Data 1 1 Data 1 0 Tag Name Control fault Reset 0 Reserved Reserved Reserved Reserved Reserved Fit Reset Reserved Reserved The explicit message Request and Response is configured within the MSG function The MSG function can be found in the Input Output tab of RSLogix 5000 Note that in the ControlLogix program example rung 6 is the only required logic to complete the explicit message request Table 57 MSG Function Illustration MSG Message Message Control EA El Setting Up the MSG instruction A tag name must be given to the MSG function before the rest of the information can be defined In this example a tag was created with the name explicit_mess After the instruction has been named click on the gray box to define the rest of the instruction See Figure 58 as an example that shows the exact data format to perform a Get Attribute Single request This message specifically accesses parameter 104 Phase 122 Rockwell Automation Publication 825 UM004D EN P November 2012 825 PDN DeviceNet Communication Card Chapter 9 C
263. vent summary report includes the following information Type of event from the list of event type strings in Figure 24 e Event number date and time Magnitudes of the line core balance and residual currents Magnitudes of the line to neutral wye or phase to phase voltages delta if included Report Triggering The 825 P triggers an event summary report when the relay trips by protection elements Rockwell Automation Publication 825 UM004D EN P November 2012 109 Chapter8 Analyzing Events Current and Voltage Columns Table 49 summarizes the event summary report current and voltage columns Table 49 Event Report Current and Voltage Columns Column Heading 11 Definition Current measured by channel L1 primary A 2 Current measured by channel 12 primary 3 Current measured by channel L3 primary RES Residual current L1 L2 L3 primary CB Current measured by channel IN primary A VAN or VAB Voltage measured by channel VAN or VAB primary V VBN or VBC Voltage measured by channel VBN or VBC primary V VCN or VCA Voltage measured by channel VCN or calculated from VAB and VBC primary V VG Serialized Events SER Triggering Recording SER Report Zero sequence voltage VAN VBN VCN primary V The 825 P relay stores an entry in the SER report for a change of state of any one of the elements listed in Table 112 on
264. wiring and connections Rockwell Automation Publication 825 UM004D EN P November 2012 157 Chapter11 Testing amp Troubleshooting Table 90 Troubleshooting Problem The relay does not respond to commands from a device connected to the serial port The relay does not respond to faults Possible Cause Solution Cable is not connected Verify the cable connections Cable is not the correct type Verify the cable pinout The relay or device is at an incorrect baud rate or has another parameter mismatch Verify Device software setup The relay serial port has received an XOFF halting communications The relay is improperly set Type lt Ctrl gt Q to send the relay XON and restart communications Verify the relay settings Improper test source settings Verify the test source settings Current or voltage input wiring error Verify input wiring Failed relay self test Use the front panel RELAY STATUS function to view self test results The relay trips on overload sooner than expected The phase rotation is improperly set Verify phase rotation setting as described in Figure 48 or Figure 49 The FLA is improperly set Verify FLA settings Field Serviceability 158 The SF is improperly set Verify the Service Factor of the motor ATTENTION Disconnect or de energize all external connections before opening this device Contact with hazardous voltages and currents inside this
265. witch setting in this range data rate setting is determined by the software setting using the RSNetWorx for DeviceNet configuration tool Note The card is factory default set to autobaud to the network data rate 9 Factory default setting 3 Cycle power to the card to initialize the new settings Using RSNetWorx for DeviceNet Follow these steps if the hardware switches are left in the factory default settings or in the range of 64 99 for the node address and 3 9 for the data rate To begin the configuration of the 825 P Modular Protection System using software execute the RSNetWorx software and complete the following procedure You must use RSNetWorx Revision 3 21 Service Pack 2 or later 1 After going on line using RSNetWorx for DeviceNet do the following e Select the Network menu e Select Online 2 Choose the appropriate DeviceNet PC interface In this example a 1784 PCIDS module is chosen Other common DeviceNet interfaces are the 1770 KFD and 1784 PCD NOTE DeviceNet drivers must be configured using RSLinx prior to being available to RSNetWorx 3 Select OK 4 RSNetWorx notifies the user to upload or download devices before viewing configuration Select OK 5 RSNetWorx now browses the network and displays all of the nodes it has detected on the network For some versions of RSNetWorx software the 825 P Modular Protection System EDS files and icon might not be included and the device could be identified as an
266. ximum motor starts per hour Minimum time between motor starts Additional data regarding the motor application Minimum no load current or power if known Motor accelerating time This is the normal time required for the motor to reach full speed Maximum time to reach motor full load This time could be significantly longer than the motor accelerating time particularly in pump motor applications where the motor could run at full speed for some time before the pump reaches full head and full load Current transformer primary and secondary ratings if used System phase rotation and nominal frequency Voltage transformer ratios and connections if used Type and location of resistance temperature devices RTDs if used Expected fault current magnitudes for motor or cable ground and three phase faults Identifier Settings All models of the 825 P have the identifier settings described in Table 7 Table 7 Identifier Settings Setting Prompt Setting Range Factory Default UNIT ID LINE 1 16 Characters 825 P Modular UNIT ID LINE 2 16 Characters Prot System The 825 P prints the Relay and Terminal Identifier strings at the top of responses to serial port commands to identify messages from individual relays Enter up to 16 characters including capital letters A Z numbers 0 9 periods dashes and spaces Suggested identifiers include the location process circuit size or equipment numbe
267. y disable the RTD function by setting RTD ENABLE equal to N Setting RTD RESET MODE determines the reset mode for the RTD element If set to Auto mode the RTD trip resets automatically when the element resets provided no other trip conditions are present If set to Man operator intervention e g front panel push button is required to reset the RTD trip The relay allows you to independently define the location of each monitored RTD using the RTD LOCATION settings Define the RTD Location settings using the following suggestions Ifan RTD is not connected to an input or has failed in place and is not being replaced set the RTD Location for that input to Off For RTDs embedded in motor stator windings set the RTD Location equal to WDG For inputs connected to RTDs measuring bearing rise temperature set the RTD Location equal to BRG For the input connected to an RTD measuring ambient motor cooling air temperature set the RTD Location equal to AMB Only one ambient temperature RTD is allowed For inputs connected to monitor temperatures of another apparatus set the RTD Location equal to OTH The relay allows you to independently define the type of each monitored RTD using the RTD Type settings Rockwell Automation Publication 825 UM004D EN P November 2012 Configuring Protection amp Logic Functions Chapter 6 Ifan RTD Location setting is equal to Off the relay does not request that an RTD Type setting be entered f
268. ystem User Manual publication 825 UM004 for instructions on assignment of functions to the auxiliary output relays An output that is not used in a DeviceLogix program follows the rules described in the State Transition Diagram below Figure 63 State Transition Diagram Non Existent Power up Available Connection Transitions to Established Protection Fault DNet Fault DNet Fault Protection Fault Connection Transitions to Established Protection Fault Reset Protection Protection Fault Receive Data Protection Fault Receive Idle DNet Fault 256 Rockwell Automation Publication 825 UM004D EN P April 2012 DeviceNet Information Chapter E Parameter Object CLASS CODE 0x000F The following class attributes are supported for the Parameter Object attributelD Name ae UN 2 Max Instance UINT 8 Get Parameter Class Descriptor WORD 9 Get Configuration Assembly Instance UINT 0 There is a standard set of instances reserved 1 100 for 825 PDN DeviceNet Communication Card specific parameters These instances are followed by the motor relay parameters Refer to AppendixB of the 825 P Modular Protection System User Manual publication 825 UM004 for details of the individual motor relay parameter instances The following services are implemented for the Parameter Object

Modular Protection System for Motors User Manual

Contents

Download Pdf Manuals

Related Search

Related Contents