MPAB009 Rev0 MPA3 V5.4 Motor Protection Relay
Contents
1. IP Address IP Addr 3 IP Addr 2 IP Addr 1 IP Addr 0 192 168 10 25 Gateway Gateway 3 Gateway 2 Gateway 1 Gateway 0 192 168 11 254 SubnetMsk 16 13 2 2 EtherNet IP Settings The MPA provides process data to the originator of an EtherNet IP connection using I O messaging The connection can be established by creating a generic Ethernet Module and setting the following parameters Assembly Instance Size Input 101 65 Output 102 1 Configuration 128 0 Comms Format Data INT Requested Packet Interval gt 150 ms The MPA data should be available as Input data once an EtherNet IP Connection has been established MPAB009 V5 4 Motor Protection Relay Manual Page 18 mad MPA3 V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 14 Energy Storage Module The Energy Storage Module MPA E allows the MPA Relay to function normally for a period of two 2 seconds during an extreme power dip or power loss 15 MPA Alarm Functions The MPA has several standard alarm functions If any are triggered the Alarm Relay ALM picks up Each has a selectable alarm level and can be disabled Generally the alarms are self resetting once the alarm condition is removed Optional modules and contain alarm settings for Insulation Test and Temperature Monitoring 15 1 High Current Alarm This is2. n addicta dt ca 8 3 3 2 E 8 3 3 3 8 dh RSS mmm 8 4 1 Trip Status Messages tente tenente tenet 9 B Curent Related eI 10 5 1 Overload PROTEC OD Gesendet E 10 5 2 Short Circuit Protection 12 5 3 Phase Current 12 5 4 Residual Current 2 13 Ee Lea neiaa 13 7 Motor Contactor Fall etd dia 13 enorm C rer 14 9 Jnsulation rete 14 10 Undervoltage REDE 15 11 100 RTD Temperature Protection 15 12 Analogue UNNI cem 16 13 Communications 16 13 1 Modbus 17 13 11 AMOS nan aE 17 17 13 2 EtherNSUIP COmbilbi GA DES odoris Sha 18 MPAB009 V5 4 Motor Protection R
3. 8887 06 20 3 017414 WS TOYLNOIdWY 5240312313 TONLNOIdWY 1190 NOILVIINNWWOD 13N33H13 W034 sod ayy 244 10 10 4100 pa3npoudaj aq jou 3 10224 04 pafqns si j JONINOJdWV 30 1834084 SNIVW3Y 5 0 3801943931 1190 NOILVIINNWWOD 58758 Ex om sv 3125 LON 00 NI SNOISN3WIG 3NVH310L 1 83839 C0 30 83101 1V83N35 031 0311081 8 0 9 ZLZLOL ON d 7000 10 4 5 1 asDYd 09 Revd V5 4 Motor Protection Relay Manual Page 35 D AMPCONTROL lt gt V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 009 V5 4 Motor Protection Relay Manual Page 36 D AMPCONTROL lt gt V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 a e e lt tO S 1 4 16 Em s c x
4. 1 400 500 600 700 800 900 1000 of Selected Full Load CURRENT GENERAL LINEAR TOLERANCE 0 2 GENERAL ANGULAR TOLERANCE DIMENSIONS mm DO NOT SCALI Shows Cold Curves for X 3 Sec trough to 40 Sec Trip Settings Short Circuit Selectable at Cold gt 0 FLC for long time 22 2 TA d 6 5 Thermal Acc 096 0 7 5 8 0 8 5 9 0 9 5 10 Times Selected Full Load Current Shows Hot Curve for T 3 Sec and 40 Sec Trip Settings ee Hot gt 100 FLC for long time Thermal Acc 89 REFERENCE IEC 60255 8 2 1 4838 0 4553 DELZ 009 Rev0 V5 4 Motor Protection Relay Manual Page 38 D AMPCONTROL lt gt V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 009 V5 4 Motor Protection Relay Manual Page 39 P tih AMPCONTROL gt wr rA lt Y 55 0 Wu 3 vos aka Dr eee e 1398 350 gt NEST E gt 200 van SS TER SE ES iS 660 8 gt AQ ES B S VaN auva awn QLY ALd TOYLN
5. V5 4 Motor Protection Relay Manual Page 22 AMPCONTROL lt gt V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 An example typical display is as follows This log indicates that an earth leakage fault caused a trip condition on Monday 15 May at 9 46am Log 10 indicates that it is the 10th log in the list Log 1 is always the most recent event Each time a new log is recorded the 50th log is removed from the list The following events are logged LOG 10 EL TRIP MO 15 05 09 46 21 Log Comment Power Up Control power to MPA was applied EL Trip Earth Leakage Trip condition O L Alarm Thermal Accumulator has exceeded the set threshold H Cur Alm Phase Currents above set threshold OC Trip Overload Trip condition 56 Tip Short Circuit Trip condition Mot Con F Motor Contactor Fail Y uLoad Alm Phase Currents below set threshold 1 Trp RTD Group 1 Trip condition RTDg2 Trp RTD Group 2 Trip condition ITst Insulation Test Result OK RESET Trip conditions were Reset Setup Mod MPA setting was modified Pwr Down Control power to MPA was lost Mem ERROR MPA non volatile memory has been corrupted uVOLT Trp Under Volts Trip condition u reset
6. Issue RO Nov 2010 CRN 8168 Ampcontrol User Manual Part No 143402 Designed and Manufactured in Australia by Ampcontrol CSM Pty Limited lt o AMPCONTROL V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 Safety and other Warnings WARNING This safety alert symbol identifies important safety messages this manual and indicates a potential risk of injury or even death to the personnel When you see this symbol be alert your safety is involved carefully read the message that follows and inform other operators CAUTION This safety alert symbol identifies important information to be read in order to ensure the correct sequence of work and to avoid damage or even destruction of the equipment and reduce any potential risk of injury or death to the personnel Supplementary information not directly affecting safety or damage to equipment Carefully read the message that follows and inform other relevant personnel p Information concerning possible impact on the environment and actions required for prevention and proper response ENVIRONMENTAL ALERT If this document is being read via a computer the hyper links may be used Press control and click on the blue highlighted text to go to that topic 009 V5
7. lt i 4 2 JL CX LE Position gt R 1 2 3 4 gt t 4 i 529 Level 25 29 0 Status lt MPA 3 061 2002 5 Motor Run 682 00042345 ax gs 2 5 2 lt lt lt S 4 4 4 4 CURRENT VOLTS 1 B C f amp A B O _ INFORMATION Trip r 96 gt v Y t t m 2 2 lt 2 gt lt S lt N 85 ie 4 4 4 2 TEMPERATURE 2 RTD s Git C lt ATD s G2 3 g INFORMATION 4 60 5 6 2 v 18 8 X lt 2 lt E 5 gt 4 2 d g 8 4 4 3 EVENTLOG Logt h Cu Am lt Log2 MCCised lt Log3 MCCiosed lt INFORMATION 12 10 45 Tuvo 12 08 21 Tua 12 05 56 os 2 Y Y Y 2 2 amp al i L 4 INSULATION TEST 4 IT Status Test INFORMATION Result Mohms ERE m 5505 H8 in 132 X lt lt lt 8 4 4 389 p MPA VO STATUS 5 ALM AUX lt Ast Lock ESR IM lt Analog Out 49 8 INFORMATION Out Out oo olo Out t Comms On Line OK t y Y v Y oz 2 2 lt 2 4 s 6 DATE 6 g 091000 13 54 11 00
8. 009 V5 4 Motor Protection Relay Manual Page 5 AMPCONTROL lt gt V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 2 General safety 21 Personnel Safety Warnings 2 14 1 Relevant Personnel Ensure all personnel directly responsible or involved with the installation operation and maintenance of the equipment reference this manual in conjunction with any relevant risk assessments to identify all foreseeable hazards 2 1 2 Safety Communication All safety instructions and design requirements within this manual must be communicated to all users These requirements are necessary to identify and control any foreseeable risk associated with this piece of equipment In the event of any damage or malfunction that results in the potential to harm the health or safety of any person the owner operator should notify the manufacturer immediately 2 2 Safe Use of Equipment Equipment supplied has been manufactured within the guide lines of the relevant Australian Standards and state legislative requirements Equipment identified within this manual has been designed for a specific intended purpose therefore any modification or damage must be reported to the manufacturer for repair The instructions within this manual must be observed as an aid towards achieving maximum safety during operation 2 2 1 Changes to Equipment Changes in the design and modifications to the equipment are
9. 19 Current Balance 0 100 00 20 Control Byte from modus write OOFF address 65 Keyboard Data Bit0 Up Arrow Bit1 Left Arrow 21 Bit2 Enter Key Bit3 Right Arrow 00 Bits clear Down Arrow when key Bit5 Reset Key pressed Bit6 Esc Key Bit Test Key 22 A Phase Voltage 0 120 23 Phase Voltage 0 120 00 24 Phase Voltage 0 120 00 25 RTD1 Temp 0 210 degC 00 26 RTD2 Temp 0 210 degC 00 27 RTD3 Temp 0 210 degC 00 ao AMPCONTROL lt 27 Modbus Address Description Bitmask 28 RTD4 Temp 0 210 degC DELIBERATELY LEFT BLANK 29 RTD5 Temp 0 210 degC 30 Insulat Test Result Meg ohm 0 for lt 0 8 Meg ohm 1 99 for 0 1 to 9 9 Meg ohm 100 127 for Meg ohm 138 255 for 10 to 127 Meg ohm 31 Analog Output Value 0 255 x 8 1458E 05 gives 0 20 77 32 33 34 to 38 39 40 41 009 V5 4 Motor Protection Relay Manual MPA Version Reads 69 Hex 150 for MPA3 V5 4 Option Version OPTxVy where X Top 3 bits Hardware Ver y Bot 5 bits Software Ver O L Reset 0 297 1 30 2 40 3 50 4 60 5 70 6 80 7 90 8 A 30 9 40 10 50 11 60 12 70 13 80 14 90 Alarm Setting 0 2272 1 20 2 50
10. Internal microprocessor reset I bal Trp Current Balance Trip condition Tmem Loss The thermal memory data has been corrupted Ires Trip Residual E L Trip condition Urip Thermistor Trip condition 1 Alm RTD Group 1 Alarm condition RTDg2 Alm RTD Group 2 Alarm condition T mem Rst Thermal memory has been manually reset to zero ITst Trip Insulation test result is below the set threshold MPAB009 V5 4 Motor Protection Relay Manual Page 23 Mx an chm nad MPA3 V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 20 Advanced Display Operation The MPA display is structured to allow experienced users quicker access to information This is achieved by the use of the ENT and ESC keys to move quickly around the display structure Operating the ENT key causes the current display position to be remembered and then a jump occurs to a new display position The ESC key reverses this or jumps back to the top left position If the ENT key is pressed while the display is on a position where there is information related to relay settings then the display will jump to the related MPA Settings Page For example if the display is showing the 3 phase currents Level 1 Position 1 on the display then pressing the ENT key will cause the display to jump to the position w
11. 20 50 and off The phase current balance protection is inhibited until the average current exceeds both 20 of the selected full load current and the selected balance trip level 009 V5 4 Motor Protection Relay Manual Page 12 ao AMPCONTROL lt gt V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 5 4 Residual Current Signal The three phase current signals are summed electronically in the MPA to produce a residual current signal that can be used to detect earth fault currents If the residual current signal exceeds the trip level for the selected trip time a trip occurs tripping the MTR relay The fault is latched To reset the relay following a residual current trip operate the reset key digital input The residual current is displayed as Ir on the Current Volts Information Page Level 1 Position 2 The trip level is selected via the Ires Trp setting Level 7 Position 14 and is adjustable from 10 to 100 FLC The trip time is selected via the Ir Time setting Level 7 Position 15 and is adjustable from 100 ms to 5 5 Setting the trip level to disables this function leakage protection It can be used to provide some detection of wiring CT internal relay The residual current function can be used even if a core balance toroid is used for earth faults 6 Earth Leakage Protection The earth leakag
12. 10 9600n 11 9600e 12 96000 64 Modbus Address 0277 1 31 009 V5 4 Motor Protection Relay Manual Page 31 MPA3 V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 Notes 1 MPA is a Modbus Slave RTU device 2 Supported Modbus Commands 03 Read Set points amp Actual Values 04 Read Set points amp Actual Values 06 Store Single Set point See note 5 16 Stores Multiple Set points See Note 5 3 Supported Modbus Exception Responses 01 Illegal Function 02 Illegal Data Address 03 Illegal Data Value 4 Read Address space is 0001 to 0064 5 Write Address Write Address support for address 0065 0096 The only write address is 0065 Data written to this location is folded back to output address 0020 AMPCONTROL lt gt V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 24 Maintenance amp Disposal 24 1 Equipment Maintenance WARNING The MPA has no user serviceable parts All repairs must be carried out by Ampcontrol personnel only If a fault develops return the MPA3 to Ampcontrol for repair It is essential that no attempt be made to repair the MPA3 as any attempt to STOP dismantle or repair the MPA3 can seriously compromise the safety of the unit and the consequence can be fatal The MPA3 V5 Motor Protection Relay does not have any customer ser
13. Selectable from 1 0 to 100 Meg Ohm and Off Selectable from 50 C to 200 C and Off Standard Modbus RTU Protocol MPA is a slave Device Baud rate 1200 5485 Communication Port 2400 4800 and 9600 with even odd or no parity EtherNet IP IP address default gateway and subnet mask are selectable Relay Contacts MTR 1 N 0 5A 250VAC 1 C 0 5A 250VAC 009 V5 4 Motor Protection Relay Manual Page 25 AMPCONTROL V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 Feature Details ALM AUX 1 5A 250VAC 009 V5 4 Motor Protection Relay Manual Page 26 ao AMPCONTROL lt o 23 MPA Comms Address Table ee Description Bitmask 0 EtherNet IP Internal status only Trip Status 1 Motor Trip 1 Short Cct Trip Bit2 Cur Bal Trip Note Bit3 N A 00 7 Bits set Bit4 Earth Leak Trip when Bit5 Residual Cur Trip tripped Thermistor Trip Bit Under Volts Trip Trip Status 2 MPA Memory Error 2 RTD Group1 Trip Bit2 RTD Group2 Trip Note Bit3 MCF 001F Bits set Bit4 Insulat Test Trip when Bits N A tripped Bit6 N A Bit N A Alarm Status 1 High Cur Alarm 3 Bit Over Load Alarm Bit2 N A Note Bit3 Under Cur Alarm 00CB Bits set Bit4 Earth Leakage Alarm when Bits N A
14. CT Ratio and Off Time Delay 55 ms to 475 ms Residual Current Trip Setting 10 to 100 FLC and Off Time Delay 100 ms to 5 Seconds Earth Leakage Protection Overload Protection Current Range 5 125 to 640 Amps 224 values across the range Steps of 1 6 3 6 1 Trip Time 3 4 5 6 7 8 10 12 14 16 20 24 28 32 40 Seconds O L Reset Level 30 40 50 60 70 80 90 S Cool Ratio 1 0 1 5 2 0 2 5 3 0 4 0 5 0 Current Balance Trip Settings 5 10 20 50 and Off Short Circuit Protection Trip Setting 3 0x to 10 0x FLC 0 5 increments or Off Trip Time 20 40 60 80 100 120 160mS Thermistor Protection PTC resistor lt 2 2 kQ Under voltage Protection Trip Setting Selectable from 40 to 95 and Off Trip Time Trip delay 1 5 Seconds Insulation Test Trip Setting Selectable from 1 0 to 100 Meg Ohm and Off RTD Temperature Protection Trip Setting Selectable from 60 C to 200 C and Off Time Delay 2 Seconds MPA Alarms High Current Selectable from 100 to 600 and Off Time Delay 1 Second Low Current Selectable from 32 to 96 and Off Time Delay 2 Seconds Overload Selectable from 50 to 95 and Off Time Delay 2 Seconds Under Current Selectable from 32 to 96 and Off Time Delay 2 Seconds Earth Leakage Selectable from 20 50 80 and Off Time Delay 1 Second MPA Optional Module Alarms Insulation Test Alarm RTD 1 amp 2 Over Temp Serial Communications
15. Either one of the above activate IT Off IT disabled The ITstatus is shown on the Insulation Test Information Page Level 4 Position 1 and indicates the following Status Comment No ITM IT Module not installed Mtr Run Motor Running IT Disabled Enable IT Module installed but Enable Input ITE not bridged Test Ready to test waiting IT input according to IT Mode setting Testing Test in progress IT input must remain for three 3 seconds Test OK IT result was OK message remains until loss of IT input ni triggered an alarm message remains until loss of IT Tripped IT result triggered a trip message remains until trip is reset 009 V5 4 Motor Protection Relay Manual Page 14 Queso nidi MPA3 V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 The testing phase takes 3 seconds during which time the IT input must remain active in order to obtain a valid result The last IT result is retained in memory and displayed until a subsequent test or power down The measurement range is 125 MO down to 0 8 MQ with 0 8 MQ displayed for values less than 0 8 MQ The trip level is selected via the ITst Trp setting Level 7 Position 17 and is adjustable between 1 0 MQ and 100 MO The alarm level is selected via the ITst Alm setting Level 7 Position 18 and is adjustable between 1 0 MQ and 100 MO A trip take
16. It is a function of the current and the selected trip time curve The drawing MPA Motor Overload and Short Circuit Trip Times 007 in Appendix A Drawings shows the trip time curves The fifteen motor overload curves allow trip settings from 3 to 40 seconds at six times FLC and are shown for both cold and hot conditions The hot curve corresponds to the trip time after the motor has been running at the selected full load current indefinitely The trip time can be calculated as follows p 1123849 Trip Time C x 31 53 xIn 100 1 1238 Curve Selected I FLC 1 A Initial Thermal Accumulator Value The motor manufacturer s data should always be consulted to select the appropriate settings for the motor being protected Typically the capacity of a cold motor is given at six times its rated current The MPA Relay s trip curves can then be used to select the trip time curve which best suits the motors overload capacity The motor overload trip latches once the thermal accumulator reaches 100 and can only be reset once the thermal accumulator falls below a preset value The pre set value is selected via the O L Reset setting Level 7 Position 3 and can be set to 30 40 50 60 70 80 90 A 3096 A 4096 A 5096 A 6096 A 7096 A 8096 and A 90 The settings automatically reset a motor overload trip once the thermal accumulator falls below the set value Otherwise
17. Red 1 Hz The Motor Status Page is the default screen on power up and shows the current status of the MPA Protection Relay A one line status message is displayed and if more than one message is active the display cycles through all active messages at 1 second intervals MPAB009 V5 4 Motor Protection Relay Manual Page 8 AMPCONTROL lt o V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 41 Trip Status Messages The following table Table 4 1 shows a list of the twenty three status messages and the category type of the messages Messages are cleared according to their message category Type 1 Messages are triggered by their respective functions and cleared by operating the RESET key digital input Type 2 Messages are triggered and cleared automatically Type 3 Messages are triggered by their respective trip functions Messages are cleared by closing the lock input and then operating the RESET key digital input and then releasing the lock input Message and Type Comment Motor O L Trip 1 2 Over Current Function Tripped Short Cct Trip 3 Short Circuit Function Tripped Cur bal Trip Phase Current Balance Function Tripped Earth Leak Trip 1 Earth Leakage Function Tripped Residual I Trip 1 Residual Current Function Tripped Thermistor Trip Thermistor PTC Function Tripped Under Volts Trip 1 Under Volts Function
18. the trip has to be reset manually by pressing the keypad RESET button or activating the RESET digital input once the thermal accumulator has fallen below the set value An emergency restart on a hot motor can be achieved by zeroing the thermal accumulator memory This is done by closing the E start input and reset key digital input simultaneously for 1 5 seconds Repeated attempts to restart the motor in this condition may damage the motor The Stopped Cooling Ratio modifies the cooling output of the thermal model when the motor is stopped This can be used to account for reduced cooling capacity of the motor when it is not running motor run status monitored via MCI digital input The ratio is selected via the S Cool Ratio setting Level 7 Position 4 and is adjustable from 1 0 to 5 0 A cooling multiplier of 1 means the cooling is independent of whether the motor is running or not e g a water cooled motor Protection for a fan cooled motor is based on a setting of 2 5 however for the best protection consult the motor manufacturer MPAB009 V5 4 Motor Protection Relay Manual Page 11 AMPCONTROL V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 5 2 Short Circuit Protection The short circuit function has a definite time characteristic If the current exceeds the selected level for the pre set time then a trip occurs T
19. triggered by the phase currents exceeding the selected threshold It is selected via the Alarm setting Level 7 Position 8 and is adjustable from 100 to 600 FLC The highest of the three phase currents is used Time delay 1 sec Setting the alarm level to Off disables this function 15 2 Overload Alarm This is triggered by the thermal accumulator exceeding the selected threshold It is selected the O Load Alm setting Level 7 Position 9 and is adjustable from 50 to 95 Time delay 2 Sec A motor overload trip overrides this alarm Setting the alarm level to Off disables this function 15 3 Under Current Alarm This is triggered by the phase current falling below the selected threshold It is selected via the LO 1 Alm setting Level 7 Position 10 and is adjustable from 32 to 96 This alarm is only activated when the motor is running MCI input closed Time delay 2 sec Setting the alarm level to Off disables this function 15 4 Earth Leakage Alarm This is triggered when the earth leakage current exceeds a set level The alarm level is selected via the E L Alarm setting Level 7 Position 13 and can be set to 20 50 and 80 The earth leakage alarm has a time delay of 1 second and auto resets when the earth leakage current falls below the selected level There is also a special setting called EL T which causes the alarm relay to activate whenever the earth leakage trip activates i e th
20. 0 10 360 11 400 12 500 13 600 14 OFF 48 O Load Alarm 0 1 50 2 60 3 70 4 75 5 80 6 85 7 90 8 95 9 OFF 49 MPAB009 V5 4 Motor Protection Relay Manual Low Alarm 0 77 1 32 2 40 3 48 4 56 5 64 6 72 29 V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 Modbus Address Description Bitmask 7 80 8 88 9 96 10 OFF 50 EL trip Level xCTRatio 0 277 1 0 001 51 EL Trip Time 0 222 ms 1 55ms 2 75ms 3 95 ms 4 115 5 155 ms 6 195 ms 7 235 ms 8 275 9 315 ms 10 355 ms 11 395 ms 12 435 ms 13 475 ms 52 Ires Trip Level FLC 0 1 10 2 20 3 30 4 40 5 50 6 60 7 70 8 80 9 90 10 100 11 53 lres Trip Time 0 1 100 ms 2 200 ms 3 500 ms 4 1 0 Sec 5 2 0 Sec 6 3 0 Sec 7 5 0 Sec 54 Insulat Test Mode 0 229999 9 AMPCONTROL lt o MPA3 V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 Modbus Address Description Bitmask Modbus Address Description Bitmask 1
21. 1099 13 54 325 e 7 MPA SETTINGS 7 Stored Value Stored Value lt Stored Vata lt 8 VIEW amp MODIFY 100096 10254 gt 6 Trip 1 28 gt S Cool Ratio 25 gt i pe HH 1 HIE lt lt pa iB iiti Y m 2011018 868b 00 90 02 5997 00 MPAB009 V5 4 Motor Protection Relay Manual Page 37 AMPCONTROL lt gt V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 a w MPA Overload amp Short Circuit Curves MPA B 007 SHEET NUMBER Sheet 1 of 1 SIZE NTS amp SHORT CIRCUIT TRIP TIMES SCALE DATE APPROVED 24 9 10 Trip Setting 6x FLC 40 Sec p Time es Tri AMPCONTROL ELECTRONICS AMPCONTROL CSM PTY LTD ABN 35 000 770 141 CAMERON PARK N S W 2285 02 4903 4800 02 4903 4888 electronics ampcontrolgroup com 7 BILLBROOKE CLOSE 160mSec 120mSec 100mSec 80mSec 60mSec 40mSec whole or the contents divulged to a third party without the prior written approval from AMPCONTROL 20mSec SHORT CIRCUIT PROPERTY OF AMPCONTROL It is subject to their recall amp THIS DRAWING REMAINS THE must not be reproduced in part
22. 3 80 4 EL T 5 Off Setting section 1 32 5 125 10 000A 33 64 10 25 20 00A 65 96 20 5 40 0 See OC 28 V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 Modbus Address Description Bitmask 97 128 41 80A 129 160 82 160A 161 192 164 320 193 224 328 640 42 6xFLC Trip Time 0 1 3s 2 4s 3 55 4 65 5 75 6 8s 7 10s 8 12s 9 14s 10 16s 11 20s 12 24s 13 28s 14 32s 15 40s 43 5 0 Ratio 0 1 1 0 2 1 5 3 2 0 4 2 5 5 3 0 6 4 0 7 5 0 44 0 772 1 5 2 10 3 20 4 50 5 Off 45 SC Trip Level xFLC 0 2772 1 3 DOO FW gt ao AMPCONTROL lt 27 Modbus Address Description Bitmask 13 9 14 9 5 15 10 16 DELIBERATELY LEFT BLANK 46 SC Trip Time 0 1 20 ms 2 40 ms 3 60 ms 4 80 ms 5 100 ms 6 120 ms 7 160 ms 47 High Alarm FLC 0 1 100 2 108 3 120 4 140 5 160 6 200 7 240 8 280 9 32
23. 4 Motor Protection Relay Manual Page 1 Sarre nad MPA3 V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 Copyright Notice No part of this publication may be reproduced transmitted or transcribed into any language by any means without the express written permission of Ampcontrol CSM Pty Ltd 7 Billbrooke Close Cameron Park NSW 2285 Australia Disclaimer Ampcontrol CSM Pty Ltd will make no warranties as to the contents of this documentation and specifically disclaims any implied warranties or fitness for any particular purpose Ampcontrol further reserves the right to alter the specification of the system and or manual without obligation to notify any person or organisation of these changes Before You Begin We would like to take a moment to thank you for purchasing the MPA3 V5 Motor Protection Relay WARNING To ensure the correct and safe operation of this equipment the user is to become completely familiar with the safety requirements and correct operating procedures detailed in this user manual Ampcontrol Electronics Contact details Ampcontrol CSM Pty Ltd 7 Billbrooke Close Cameron Park NSW 2285 P 61 2 4903 4800 F 61 2 4903 4888 EMAIL electronicsorders ampcontrolgroup com WEB www ampcontrolgroup com MPAB009 V5 4 Motor Protection Relay Manual Page 2 ao AMPCONTROL lt o V5 4 MOTOR PROTECTION RELAY MANUAL Issue
24. 8168 Date 11 2010 17 Digital Inputs The MPA provides six voltage free digital inputs for correct operation To activate an input a connection needs to be made from DiPwr terminal to the respective digital input s terminal The status of each input can be viewed on the I O Status Information Page Level 5 Position 2 and 3 The function of each input is as follows Lock The lock input needs to be closed while changes are being made to the relay settings If the lock input is not closed then the settings cannot be changed The lock input must also be closed to reset a short circuit trip Reset The reset digital input performs the same function as the keyboard reset allowing for external remote resetting of trips To reset a trip an open to close transition on the reset input or reset key is required Estart The Emergency Start input can be used to reset the thermal memory to allow an emergency re start To perform a reset the motor must be stopped MCI open and both the reset key and the Estart key must be held closed for 1 5 seconds This will reset the Thermal Accumulator and allow the motor to be started immediately MCI The Motor Contactor Interlock input provides the MPA Relay with the status of the motor contactor Its status is used by the thermal modelling through the Cooling Multiplier and also provides the basis for Motor Contactor Fail MCF monitoring Dit This is an auxiliary digital input It can
25. Di 2 Key 3 4 55 Insulat Test Trip Meg ohm 0 1 1 0 2415 3 2 0 4 3 0 5 5 0 6 7 5 7 10 8 15 9 20 10 30 11550 12 75 13 100 14 OFF DELIBERATELY LEFT BLANK 56 Insulat Test Alarm 58 RTD G1 Trip deg C 0 1 60 2 70 3 80 4 100 5 120 6 140 7 160 8 180 9 200 10 59 RTD G1 Alarm deg C 0 2772 1 50 2 60 3 70 4 80 5 100 6 120 7 140 8 160 9 180 10 200 11 OFF 57 009 V5 4 Motor Protection Relay Manual Page 30 60 RTD G2 Trip deg C 0 7277 1 60 2 70 3 80 4 100 5 120 6 140 7 160 8 180 9 200 10 DELIBERATELY LEFT BLANK ao D AMPCONTROL lt 27 Modbus Address Description Bitmask 61 RTD G2 Alarm deg C 0 7277 1550 2 60 3 70 4 80 5 100 6 120 7 140 8 160 9 180 10 200 11 62 Analog Output Mode 0 222 1 0 20mA 2 Cur 0 20mA 3 lel 0 20 4 RTD 0 20mA 5 Va 0 20mA 6 4 20 7 Cur 4 20mA 8 lel 4 20mA 9 RTD 4 20mA 10 Va 4 20mA 63 Modbus RTU Coms Mode 02 1 1200n 2 1200e 3 12000 4 2400n 5 2400 6 24000 7 4800 8 4800e 9 48000
26. MTR Main Trip Relay ALM Alarm Relay and AUX Auxiliary Relay Inputs are also provided for PTC Thermistors and current transformers A two line backlit LCD display used in conjunction with a keypad provides an easy to use operator interface The display provides easy access to all available information A simple procedure allows adjustment of the relay s settings The Energy Storage Module allows the MPA Relay to function normally for a period of two seconds during an extreme power dip or power loss The MPA s event log and adjustable settings are backed up with a battery The battery is not user replaceable return the MPA Relay to Ampcontrol for replacement of the battery The MPA is housed in an enclosure suitable for flush mounting in a 135 mm square cut out and has robust plug in connectors on the rear 3 2 Protection Functions The Ampcontrol MPA motor Protection Relay provides protection functions for Overload ShortCircuit Earth Leakage Motor Contactor Phase Current Unbalance Undercurrent Over current Alarms Over Temperature PTC Thermistor Optional Under voltage Optional Insulation Test Optional 100 RTD Temperature Protection 009 V5 4 Motor Protection Relay Manual Page 7 r chm V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 3 3 Optional Monitoring Modules 3 3 1 This optional monitor
27. OOdWY odori suma Due lt oo 031 Jl x MalA 3015 03110 1 02 0 LNOYS TANVd AA OJON Ee TANVd VIOSV3 3 05 5 2 1 2 c a 2 2 o 9 3 3019130 2 2 4 Aejay ueyensny 8 1 4 ONILNNOW ASVO uugtz 0 66 095 T T T T T gt 009 V5 4 Motor Protection Relay Manual Page 40
28. RO CRN 8168 Date 11 2010 Table of Contents Safety and other Warnings 1 CO MNT NOTCE ice 2 Disclaimer UI 2 Rte arene CE UE 2 Ampcontrol Electronics Contact details 2 1 SONA tT 5 5 1 2 Storage after Delivery 5 1 3 Unpacking ot Eguipmibfil cae tice nace en ncn 5 6 2 4 Personnel Safety 6 2 1 1 Relevant Personnel 6 2 1 2 Safety 6 22 Safe Se Ss ox soci 6 2 2 1 Changes to CUMMINS s a ae ERN 6 2 2 2 Equipment Knowledge nsi ertet mari ann unin 6 Overview of V5 RELAY 7 3 1 General Description PM 7 3 2 Protection Functions 2 1 020000 7 3 3 Optional Monitoring 8 3 3 1
29. Tripped MPA Memory Error Corrupted memory in relay s stored settings RTD Groupl Trip RTD Group 1 Function Tripped RTD Group2 Trip RTD Group 2 Function Tripped Motor Cont Fail Main Contactor Fail Function Tripped Insulat Test Trip Insulation Test Function Tripped High Cur Alarm Phase current above set threshold level Over Load Alarm Thermal Accumulator above set threshold level Under Cur Alarm Phase current below set threshold level Earth Leak Alarm Earth leakage Current is above the set threshold level RTD 1 Alarm Group 1Temperature above set threshold level RTD Group2 Alarm Group 2 Temperature above set threshold level Insulat Test Alarm 2 Test result at alarm level Testing Insulat In process of Insulation Test IT Enable Open Insulation test disabled Insulat Test OK Insulation Test above the set threshold MCI Open MCI Closed Motor Stopped Motor Amps Table 4 1 MPAB009 V5 4 Motor Protection Relay Manual Page 9 AMPCONTROL lt o V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 5 Current Related Functions 51 Overload Protection The motor overload function is based on a thermal model of the motor The three phase currents are squared to provide the I R heating input to the motor model The selected Stopped Cooling Ratio determines the cooling output for the model The state of the thermal mode
30. be carefully repacked to ensure protection of the contents or else the parts should be packaged and stored in a safe place Examine all packing boxes wrappings and covers for items attached to them especially if the wrappings are to be discarded 1 2 Storage after Delivery When the equipment is not to be installed immediately proper storage is important to ensure protection of equipment and validity of warranty All equipment should be stored indoors protected from the elements in a cool dry area If storing on the ground ensure that the storage area is not an area where water will collect 1 3 Unpacking of Equipment The method of packing used will depend on the size and quantity of the equipment The following cautions should be interpreted as appropriate CAUTION Take care when unpacking crates as the contents may have shifted during transport Make sure that cable drums are securely attached to their shipping pallets before attempting to move them if applicable The disposal of packaging materials replaced parts or components must comply with environmental restrictions without polluting the soil air or water Ensure that any timber and cardboard used as packaging is disposed of in a safe and environmentally responsible manner Where possible dispose of all waste products i e oils metals plastic and rubber products ALERT by using an approved recycling service centre
31. be configured to activate an Insulation Test PTC This input is designed for connection to a Positive Temperature Coefficient semiconductor thermistor The nominal operating threshold is 2 2 k The PTC resistance needs to be below this level for normal operation A PTC trip will be triggered and latched if the PTC resistance rises above this level 18 Output Relays The MPA provides three relay outputs for correct operation All relay contacts are rated at 5 A 250 VAC MTR Main Trip Relay This relay energizes when there are no trips and drops out whenever a trip occurs A normally open and a change over set of contacts are provided ALM Alarm Relay This relay energizes whenever there are alarms active and drops out when all alarms are clear One normally open contact is provided AUX Auxiliary Relay This relay is normally energized and drops out if there is a short circuit trip or a motor contactor fail trip One normally open contact is provided The status of each relay can be viewed on the MPA Status Information Page Level 5 Position 19 Event Log The MPA provides a real time clock calendar which combines with non volatile memory to provide a data logging feature This log sequentially records the time date and details of the most recent event A chronological list of the last 50 events is stored on a first in first out basis Use the right and left arrow keys to scroll the event log MPAB009
32. e earth leakage alarm bit follows the earth leakage trip bit Setting the alarm level to Off disables this function 009 V5 4 Motor Protection Relay Manual Page 19 AMPCONTROL lt gt V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 16 Adjustable Settings The MPA settings can be reviewed and or adjusted by selecting the MPA Settings Information Page Level 7 At this level all the adjustable parameters are listed with their current value a Motor Protection Relay if it is supplied with the Ethernet option and the Ethernet A Although settings are available in both cases the Modbus settings will not function on settings will not function if the relay is supplied with the Modbus option 16 1 Common Settings 100 6xl Trip t O L Reset S Cool Ratio Bal Trip SC I Trip SC Trip t HI I Alarm O Load Alm LO I Alarm EL EL Time EL Alarm Ires Trp Ir Time ITst Mode ITst Trp Alm UV Level RTD 61 RTD G1 RTD 62 T RTD G2 A An OP Sets the basic current range Selects the overload trip time at six 6 times FLC Selects the reset level as a of the thermal accumulator Allows the cooling rate of the thermal model to be modified Selects the current balance trip threshold as a of FLC Selects the short circuit trip level Selects the trip time for the short circuit function Selects the high c
33. e protection function uses an optional core balance toroid to measure the earth fault current A definite time operating characteristic is provided with adjustable trip sensitivity and time delay If the earth leakage signal exceeds the trip level for the selected trip time a trip occurs tripping the MTR relay The fault is latched The leakage current is displayed on the Current Volts Information Page as le shown as of the selected trip level When the leakage reaches 100 for the selected time delay a trip occurs To reset the relay following an earth leakage trip operate the reset key digital input The trip level is selected via the EL setting Level 7 Position 11 and is adjustable between 0 001 A to 0 005 A x CT ratio e g with 100 1 CT trip 100 500 mA The time delay is selected via the EL Time setting Settings are Instantaneous and are adjustable between 55 ms and 475 ms Setting the trip level to Off will disable this function For alarm functions see MPA Alarm Functions Section 15 7 Motor Contactor Fail Protection The status of the motor contactor is monitored via the MCI digital input If the MPA trips its MTR relay then it expects to see the MCI open Failure to open within 1 second will cause a Motor Contactor Fail trip that operates the AUX relay The AUX relay should be arranged to provide backup tripping of the motor usually through a main circuit breaker To reset th
34. e relay following a motor contact failure trip operate the reset key digital input The status of the MCI input can be viewed on the MPA I O Status Information Page Level 5 Position 1 MPAB009 V5 4 Motor Protection Relay Manual Page 13 AMPCONTROL 2 V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 8 Metering The MPA Motor Protection relay provides the following information Phase Currents Current Balance Residual Current Leakage Current Trip Accumulator thermal capacity indicating how close to a trip condition Result of Insulation Test option Phase voltage option Stator Temperature MPA M option Bearing Temperature MPA M option 9 Insulation Test The optional Insulation Test Module allows the insulation resistance of 415 V motors and or installations to be tested with 500 VDC to earth Selectable trip and alarm thresholds can be triggered if the resistance to earth is too low This test can only be performed when the motor is stopped MCI open The external Insulation Test Enable ITE terminals must also be bridged to allow a test to be performed An insulation test IT is activated by the option selected by the ITst Mode setting Level 7 Position 16 The options are Setting Comment Di1 Di1 digital input activates IT Key Keyboard Test Key activates IT Di1 Key
35. elay Manual Page 3 ao AMPCONTROL lt gt V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 Energy Storag Modul idt ntc ette aaa 19 15 MPA Alarm Functions 19 19 15 2 6 Alai 19 15 3 Under Cument 1 a EEE 19 15 4 amp _ 19 16 Adjustable Settings sois 20 Common Settings 20 16 2 Modbus Settings 20 16 3 Ethernet Settings EET 21 Changing 21 17 Digital MIN RUNS 22 18 Output Relays 22 22 20 Advanced Display Operation 24 21 9 DX RR C eR 24 22 MPASDSCIICH OS tae chobia gous 25 23 MPA Comms Address Table cscssssssssssssssssssssessessssssssssssscsssessssessc
36. essecessessssesesessesesacessucersesesaeessecassesaceses 27 24 Maintenance MER 92 241 Equipment Maintenance 92 24 2 Diuposalor System PANS caress 32 25 Equipment List 33 25 1 Base Models and Options Part Nos ertet tenente 33 25 2 Miscellaneous Extras tnter nennen intet ten 33 Appendix A DraAWNgS 34 009 V5 4 Motor Protection Relay Manual Page 4 ae mad MPA3 V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 1 Receiving and Storage 1 1 Receiving All possible precautions are taken to protect the equipment against damage or losses during shipment however before accepting delivery check all items against the packing list or Bill of Lading If there are shortages or evidence of physical damage notify Ampcontrol immediately Notify Ampcontrol within 7 days maximum in case of shortages or discrepancies according to the packing list This action will help ensure a speedy resolution to any perceived problems Keep a record of all claims and correspondence Photographs are recommended Where practicable do not remove protective covers prior to installation unless there are indications of damage Boxes opened for inspection and inventory should
37. et Mask Sets the number of bits 0 32 used to form the Subnet Mask for the device 16 4 Changing Settings To change a value of a particular parameter the following steps are required a Ensure the motor is stopped Using the right arrow key display the parameter that has to be changed Ensure the Lock input is closed d Press the ENT key The following warning message will be displayed on the top line of the display Change Ent ESC Press the ENT key The top line of the display will change to Ent f Use the left and right arrows to step through the allowable values until the desired new setting is displayed Note that holding the keys in will cause the values to scroll through quickly g When the desired value is displayed press the ENT key The top line of the display will change to Confirm Press the ENT key The top line of the display will change to Saving i top line of the display will change to Stored Value This completes the setting process Review the new value to confirm the correct setting j the lock input If the ESC key is operated at any stage during the procedure the modifying sequence is aborted and the setting reverts to its previously stored value 009 V5 4 Motor Protection Relay Manual Page 21 aie chm mad MPA3 V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN
38. he short circuit function trips the auxiliary relay The AUX relay is normally energised and drops out when tripped The short circuit trip level is selected via the SC Trip setting Level 7 Position 6 and is a multiple of the selected full load current from 3 0 to 10 times FLC in steps of 0 5 The trip level may be set to off to disable the SC protection WARNING 42 Setting the trip level to OFF disables the SC function and is intended to only ever be used with coordinated SC tripping circuit breakers or when the SC function is performed external to the MPA Use extreme caution when choosing this option The trip time is selected via the Sc Trip t setting Level 7 Position 7 and is adjustable from 20 ms to 160 ms See Drawing 007 in Appendix A Drawings To reset the relay following a short circuit trip it is necessary close the lock input operate the reset key digital input and then release the lock input 5 3 Phase Current Balance The current balance measurement Ib is displayed on the Current Volts Information Page Level 1 Position 1 and is calculated as A I x 100 Tave Where Tave Average of the 3 phase currents The maximum deviation of a phase current from the average Phase current balance protection is selected via the I Bal Trip setting Level 7 Position 5 The trip level is selectable at 5 10
39. here the full load current level is selected The current level can then be adjusted or just reviewed Once this is done pressing the ESC key will return the display to the original display position In this way the ENT and ESC keys can be used to toggle back and forth between the two displays Note that the display can be moved left or right on the setup level to change a parameter Once the parameter has been changed the operation of the ESC key will still return to the original display Pressing the ENT key again will cause a jump back to the new position on the setup level Pressing the ESC key when there has been no return position recorded will return the display to the top left Motor Status Page Pressing the ENT key after escaping to the top will cause the display to return to the previous position If the ENT key was pressed on the default Motor Status Page when there has been no return position remembered the display will jump down to the settings level To allow rapid movement through the displays when viewing adjusting the settings holding the left or right arrow keys for 0 5 Sec will cause faster incrementing through the values 21 Time amp Date The MPA real time clock calendar can be adjusted by carrying out the following procedure 1 Select the Date and Time Information Page Level 6 Position 1 to display the Day Month Year Hours and Minutes Press the right arrow to display Mo 150500 09 46 2 P
40. ing module MPA M can be utilised to provide the following features Five PT 100 RTD inputs which are arranged in two groups three for the stator and two for the bearings 25485 Modbus communication port that can be connected to Motor Starter PLC s or a central monitoring system for continuous monitoring and fault finding A0 20 mA 4 20 mA Analogue Output 3 3 2 This is an optional insulation test module which allows frequent testing of motor insulation 3 3 3 This optional monitoring module has the same features as the MPA M module except the RS485 Modbus communication port is replaced by an EtherNet IP communications port 4 Basic Display Operation The facia of the MPA Motor Protection Relay has a two line 16 character backlit LCD display Status LED and a tactile keypad The layout of the display structure is shown on the MPA Display Map The display level is changed with the Up Down arrow keys and the Left Right arrow keys control the display Position See drawing MPA Display Map MPA B 003 in Appendix A Drawings The ENT and ESC keys are used to modify settings and provide hyper jump access to the display structure The Reset key allows reset following a trip condition The Status LED is a single bi coloured LED that can be viewed some distance from the relay Status indication is as follows MPA Status LED Colour LED Flash OK Green 4 Hz Alarm Red 4Hz Trip
41. l is shown by the Thermal Accumulator which can be viewed on the Current Volts Information level on the display The thermal accumulator represents the motor temperature When it reaches 100 a Motor Overload trip occurs The full load current is selected via the I 100 setting Level 7 Position 1 and can be set between 5 125 A and 640 A in 224 increments as shown in Table 5 1 Current Settings below MPA Full Load Current Selection Table Amps 5 125 7 000 10 000 14 00 120 00 28 0 40 0 56 80 110 160 220 320 440 5250 8 5315 456 5500 7375 1075 1475 215 795 43 so ao 116 tra 232 st 464 5626 700 1100 1500 220 100 44 60 88 176 26 352 47 5750 7626 1125 1625 225 305 6t 90 120 100 240 5 875 188 2000 o 6125 6000 1200 16 00 240 320 48 64 96 126 192 252 6250 8500 1225 170 245 4 128 tos 266 392 90 6375 zm 6500 560 6825 576 6750 502 2875 608 __ ___ 75 5 el fex gt Table 5 1 Current Settings 009 V5 4 Motor Protection Relay Manual Page 10 AMPCONTROL lt gt V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 The trip time is selected the 6 Trip setting Level 7 Position 2
42. n circuit or the RTD resistance rises above 330 xis Unused RTD inputs can be terminated with a 100 Q resistor 0 C to avoid the error code 245 Error code 245 results if the RTD is short circuited or its resistance falls below 80 Q The RTD s will operate correctly if the combined installation cable resistance to the PT 100 RTD is less than 40 Q 12 Analogue Output The optional Monitoring Module MPA M provides an isolated analogue output configurable as 0 20 mA or 4 20 mA The output is selected via the An setting Level 7 Position 24 to continuously monitor one of the following sections 20 mA 100 Trip Accumulator 20 120 Average Current Earth Leakage RTD Temp 0 200 C Current Balance Phase Voltage A phase 20 mA 100 20 mA 200 C 20 mA 100 20 mA 120 p The analogue output status is shown on the MPA I O Status Information Page Level 5 Position 4 The value shown for Analog Out is related to the analogue output current according to Tout mA Displayed Value x 8 1458 x 10 5 13 Communications When the MPA is ordered with an optional monitoring module a communications port is provided This allows for the connection of the MPA to PLC or SCADA systems Two different monitoring modules are available providing a choice between RS485 Modbus RTU and EtherNet IP With either communications option the same da
43. not permitted 2 2 2 Equipment Knowledge Experience with or understanding of this equipment is essential for the safe installation and removal of the equipment If in doubt contact Ampcontrol immediately Mechanical and or Electrical installation and maintenance of plant and equipment must only be carried out by appropriately trained qualified and competent personnel 009 V5 4 Motor Protection Relay Manual Page 6 AMPCONTROL lt gt V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 3 Overview of V5 Relay 31 General Description Ampcontrol MPA Motor Protection Relay has been designed to provide optimum overload protection of small to medium sized 415 V motors used on conveyors pumps fans and compressors It can also be used with higher voltage motors In addition to motor protection the relay has features to monitor temperature provide alarms before a trip condition and through a 50 record event log allows diagnosis of a problem after a fault has occurred The standard current transformers supplied with the MPA Protection Relay enable protection of motors with full load currents ranging from 5 125 A to 640 A The selected full load current can be set to one of 224 values across the range The MPA Motor Protection Relay has 5 digital inputs which feed into a microprocessor unit The microprocessor has been programmed to control three output relays
44. onitoring stator temperature while group 2 G2 is intended for bearing temperature The Trip levels are selected via the RTD G1 T and or RTD G2 settings Level 7 Position 20 and 22 and adjustable from 60 C to 200 C If the measured value exceeds the trip level for 2 seconds a trip occurs Trips are latched and cannot be reset by the reset digital input until the temperature falls back below the trip threshold Setting the trip level to Off disables this function The Alarm levels are selected via the RTD G1 and or RTD G2 settings Level 7 Position 21 and 23 and are adjustable from 50 C to 200 C If the measured value exceeds the alarm level for 2 seconds an alarm occurs Alarms self clear once the measured value falls below selected value for 2 seconds Setting the alarm level to Off disables this function A trip takes priority if both trip and alarm conditions occur as a result of a RTD s temperature 009 V5 4 Motor Protection Relay Manual Page 15 AMPCONTROL ar MPA3 V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 The RTD temperatures for group 1 and group 2 can be viewed on the Temperature Information Page Level 2 Positions 1 and 2 respectively The measurement range is 0 C to 210 C Values greater than 210 C represent an error condition as follows Error Comment Error code 246 results if the RTD terminals are left ope
45. ormers 101272 1000 1 45mm ID Current Transformers 3 Required 101658 60 mm ID 115430 Toroid 85 mm ID Earth leakage Toroid to be specified at time of order placement 101656 112 mm ID 143402 V5 4 User Manual 009 V5 4 Motor Protection Relay Manual Page 33 AMPCONTROL lt V5 4 MOTOR PROTECTION RELAY MANUAL Appendix Drawings Issue RO CRN 8168 Date 11 2010 Drawing Number Description MPAE001 Connection Diagram MPA Display Map MPAB007 Motor Overload and Short Circuit Curves 007 Case Dimensions The drawings appear in the following pages in the same order in which they are listed in the table above If this document is being read via a computer the hyper links may be used Press control and click on the drawing number to go to that drawing 009 V5 4 Motor Protection Relay Manual Page 34 n OL AMPCONTR gt V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 L00 3 VdW 4330849 xny dis 40 19945 13395 WVYOVIC 01123 02 133 NOIL2310 d YOLOW 5 addi 318VN3 08 2 0190 1531 NOILVINSNI 1531 NOILV INSNI
46. ress the ENT key A v will appear in the top line above the minute section This indicates the number to be changed 3 Use the left and right arrow keys to move the v to the desired Position 4 Press the ENT key The v now changes to The right arrow key is used to increment the allowable values once the desired value is obtained press the ENT key again The returns to a 5 Repeat steps 3 and 4 until the correct time and date are displayed 6 With the v showing press the reset button The v then changes to E This is a prompt to press the ENT key T Press the ENT key At that instant the seconds are zeroed and the selected time date information is transferred to the internal clock If the battery voltage is low the time will zero and the date will reset to 1st January on power up The date and time is used only to time stamp the events in the log which are recorded sequentially regardless of the date time The time function also allows the thermal model to continue to simulate the motors thermal behaviour when the power is removed from the relay 009 V5 4 Motor Protection Relay Manual Page 24 AMPCONTROL V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 22 MPA Specifications Feature Details Auxiliary Supply Volts 240 20 50Hz 2 Hz or 110VAC 20 50Hz 2 Hz Trip Setting 0 001x to 0 005x
47. s priority if both trip and alarm conditions occur as a result of an IT IT alarms self clear when a subsequent IT result is greater than the selected alarm value They can also be reset manually by operating the reset key digital input IT trips are latched and prevent subsequent IT s until the trip is manually reset by operating the reset key digital input Setting either the ITst Trp or ITst Alm setting to OFF disables that function 10 Under voltage Trip The optional Insulation Test Module allows Under voltage protection that is enabled as soon as the main contactor is closed indicated by closing the MCI input If any of the phase voltages drop below the selected trip setting of the nominal line voltage for 1 5 Seconds then the MTR relay is de energised To reset the relay following an under voltage trip operate the reset key digital input The trip level is selected via the UV Level setting Level 7 Position 19 and is adjustable from 40 to 95 Setting the trip level to disables this function 11 PT 100 RTD Temperature Protection The optional Monitoring Module MPA M allows temperature monitoring of 5 PT 100 RTDs connected in 3 wire mode The three wire connection allows compensation of installation lead resistance The RTD inputs are configured as Group1 1 2 and 3 and Group 2 RTD s 4 and 5 Each Group has a separate alarm and trip level Group 1 61 is intended for m
48. ses are Modbus Exception Comment 01 Illegal Function 02 Illegal Data Address 03 Illegal Data Value 13 1 2 Modbus Status The MPA Modbus status is shown on the MPA I O Status Information Page Level 5 Position 4 and indicates the following Status Comment Opt Card No monitoring card installed Monitoring card installed but there No Mbus RxD has not been a valid Modbus transaction in the last 30 seconds Monitoring card installed and a Online OK valid Modbus transaction has occurred in the last 30 seconds 009 V5 4 Motor Protection Relay Manual Page 17 Ma Quesnel V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 13 2 EtherNet IP Communications 13 2 1 Ethernet Network Configuration The Ethernet connection allows for the setting of the MPA s IP Address Default Gateway Address and Subnet Mask The IP Address can only be set statically using the MPA configuration menu Dynamic address configuration protocols such as DHCP or BOOTP cannot be used Both the IP address and the default gateway are set using four individual parameters one for each byte of the address The subnet mask is set as a single number between 0 and 32 This number is the number of bits used in the subnet mask Example configuration IP Address 192 168 10 25 Default Gateway 192 168 11 254 Subnet Mask 255 255 0 0
49. ta is available over the network See Section 23 MPA Communications Address Table for accessible data MPAB009 V5 4 Motor Protection Relay Manual Page 16 AMPCONTROL dift MPA3 V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 13 1 Modbus Communications The baud rate is selected via the Modbus setting Level 7 Position 25 and is selectable between 1200 and 9600 Baud with even odd or no parity One stop bit is used in conjunction with parity while two stop bits are used with no parity The half duplex 3 wire RS485 communications interface allows up to 31 devices to be multi dropped onto a single master communication line The MPA s Modbus Slave address is selected the Modbus setting Level 7 Position 26 and is adjustable between 1 and 31 13 1 1 Modbus Commands The following Modbus commands are supported Modbus CMD Comment 03 Read Holding Registers 04 Read Input Registers 06 Store Single Register 16 Store Multiple Registers Valid read registers are in the range from 1 to 96 An attempt to read a register outside this range will result in an exception scan Currently only the first 64 registers contain valid data The range from 65 to 96 is for future expansion The range from 65 to 96 are also write addresses the only active write address is 65 which is folded back to the read only address 20 Supported Modbus exception respon
50. tripped Bit RTD Group Alarm Bit RTD Group2 Alarm Alarm Status 2 Insulat Test Alarm 4 Bit1 N A 812 N A Note Bit3 N A 0001 Bits set Bit4 N A when Bits N A tripped Bit6 N A Bit N A Status Testing Insulat Insulat Test Enable 5 812 Insulat Test OK moe Bi3 when Bit4 N A active Bits N A Bit6 Motor Stopped Bit7 Motor Running 009 V5 4 Motor Protection Relay Manual Page 27 MPA3 V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 Description Bitmask DELIBERATELY LEFT BLANK Relay Status Main Trip Relay MTR 6 Alarm Relay ALM Bit2 Auxiliary Relay AUX Note Bit3 Megger Activated 000 Bits set Bit4 N A when Bits N A energised Bit N A Digital Inputs Insulat Test Enable Insulat Test Fitted 7 Bit2 Lock Note Bits Reset 00 Bits set Bid Estart when open Bit 7 MCI Bit6 Di1 Bit PTC 8 OC Thermal Accum 0 120 9 RESERVED 0000 10 A Phase Current 0 1000 11 RESERVED 0000 12 B Phase Current 0 1000 O3FF 13 RESERVED 0000 14 C Phase Current 0 1000 O3FF 15 RESERVED 0000 16 Residual Current 0 1000 O3FF 17 E L Current 0 110 00 18 Avg Current 0 250 0 1000
51. urrent alarm threshold as a of FLC Selects the overload alarm threshold as a of the thermal accumulator Selects the low current alarm threshold as a of FLC Selects the sensitivity trip level for the earth leakage protection Selects the trip time for the earth leakage protection Selects the alarm trip level for the earth leakage protection Selects the residual current trip threshold as a 96 of FLC Selects the trip time for the residual current function Selects the insulation test mode or disables the function Selects the insulation test trip threshold Selects the insulation test alarm threshold Selects the under voltage trip threshold as a of line volts Selects the temperature trip threshold Selects the temperature alarm threshold Selects the temperature trip threshold Selects the temperature alarm threshold Selects the section to be monitored 16 2 Modbus Settings Modbus Modbus Ad Selects the communications baud rate Selects the Modbus Slave address MPAB009 V5 4 Motor Protection Relay Manual Page 20 Mx AMPCONTROL V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 16 3 Ethernet Settings IP Addr 3 IP Addr 2 IP Addr 1 These four parameters are combined to create the 32 bit IP address for the device IP Addr 0 Gateway 3 Gateway 2 Gateway 1 Gateway 0 These four parameters are combined to create the 32 bit default Gateway address for the device Subn
52. viceable parts and is not provided with any user adjustments 24 2 Disposal of System Parts The electronic equipment discussed in this manual must not be treated as general waste By ensuring that this product is disposed of correctly you will be helping to prevent potentially ENAREN negative consequences for the environment and human health which could otherwise be caused by incorrect waste handling of this product 009 V5 4 Motor Protection Relay Manual Page 32 ao AMPCONTROL Ww 27 25 Equipment List MPA3 V5 4 MOTOR PROTECTION RELAY MANUAL Issue RO CRN 8168 Date 11 2010 25 1 Base Models and Options Part Nos 25 2 Miscellaneous Extras Optional Monitoring Serial Communications Auxiliary Extended Modules Option MODEL DESCRIPTION Sen Insulation Over EtherNet IP RS485 eee Test Temp Modbus 05 4 Std 110 110 X X X X X 120405 wwweasumo x x x x wwwsasuE z v x x uw NPASVOS A 1 110 m x wv mx 054 110 12040 054 240 24 TA MPA3VOS 4 M E240 20 120870 NPASVOS A 110 12045 NPASVOS A IM 240 12020 NPASVOS A 110 121529 05 4 IM E240 120572 5 10 MPA3V05 4 IM e 240 240 X v v v X 143094 A Each Relay is supplied complete with the required Phase Current Transf
Download Pdf Manuals
Related Search