User Manual - Ampcontrol
Contents
1. bak kas 44 MPABO10 R0 docx Page 4 ao A AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 1 Receiving and Storage 11 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 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 12 Storage after Delivery When the equipmentis notto 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 thatthe stor2. 1 Motor Protcton Depay Veo Veralo VP A3 wet 202 t L i yi 8 a 1 M t BTW S Nt wor Am 4 ing OC e 1693 NCO it NECRHATION Tui p Q Tu Qoo TAM DA o i 1 4 4 PELLATION TEST 4 O Sms Tan MOMO Fanit o Mem i 1 Li 4 1 4 4 p ao mang amp ut vO AM AK o A lak ER PIC a m Ot ME oj sapat MROAMATON Ouse Qs Qr oo oo ana n 99 9o OF E Conte Onire Ot Li t i EM M M g 6 DATE men p om oat Se KO 13 Hi Li Li Li i 4 4 7 MAET gt Seve e ej ma e VEW amp MODE ma s met wo Li w es E 9 e at m n n n MPABO10 RO docx Page 41 MPA Motor Overload amp Short Circuit Curves MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 TANT UE N A i ws MPA 8 007 ws no s zz MPA MPA3 V0 5 MOTOR OVERLOAD amp SHORT CIRCUIT TRIP TIMES wa kit Me Trip Setting x FLC 40 Sec 32 Sec ke 28 Sec p Time vs Tri 300 80mSer 0mSer 0nSer 20mSec SHORT CIRCUIT ke _ Ld 400 500 600 700 800 900 1000 of Selected Full Load CURRENT Shows Cold Curves for 3 Sec trough to 40 Sec Trip Settings Cold gt 095 FLC for long time Thermal Acc 0 Shows Hol Curve for 3 Sec ond 40 Sec Trip Settings Hot gt 10096 FLC for long time Thermal Acc
3. Issue RO Nov 2010 CRN 8168 Ampcontrol User Manual Part No 143401 Designed and Manufactured in Australia by Ampcontrol CSM Pty Limited A KARE TAL gran an J L a ap Yv nN QMPCONTROL Pe qM MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 Safety and other Warnings WARNING This safety alert symbol identifies important safety messages in 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 prevention and proper response Information concerning possible impact on the environment and actions required for If this documentis 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 MPABO10 RO docx Page 1 Zo AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RE
4. ao gt AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 Modbus Address Description Bitmask Modbus Address Description Bitmask 55 Insulat Test Trip Mohms 0 1 1 0 2 1 5 3 2 0 4 3 0 5 5 0 621 5 1 10 8 15 9 z20 10 230 11250 12 275 13 2100 14 OFF OOF F 58 RTD G1 Trip degC 02 1 60 2 70 3 80 4 100 5 120 6 140 7 160 8 180 9 200 10 OFF OOF F 56 Insulat Test Alarm Mohms 0 1 1 0 2 1 5 322 0 423 0 5 5 0 621 5 1 10 8 15 9 20 10 230 11250 12 275 13 2100 14 OFF OOF F 59 RTD G1 Alarm deg C 0 1 50 2 60 3 10 4 80 5 100 6 120 7 140 8 160 9 180 10 200 11 OFF OOF F 57 UV Level 0 1 40 2 50 3 60 4 70 5 21596 6 80 7 28596 8 29096 9 29596 10 OFF OOF F 60 RTD G2 Trip deg C 027 1 260 2 270 3 80 4 100 5 120 6 140 7 2160 8 180 9 200 10 OFF OOF F DELIBERATELY LEFT BLANK 61 RTD G2 Alarm deg C 0 1 50 2 60 3 10 4 80 5 100 6 120 7 140 8 160 9 180 10 200 11 OFF OOF F MPABO10 RO docx Page 35 Zo AMPCONTROL Ww o Modbus Address Description Bitmask DELIBERATELY LEFT BLANK 62 Analogue Output Mode 2777 1 O L 0 20mA 2 Cur 0 20mA 3 lel 0 20mA 4 R
5. 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 Dil This is an auxiliary digital input It can be configured to activate an Insulation Test IT PTC This input is designed for connection to a Positive Temperature Coefficient semiconductor thermistor The nominal operating threshold is 2 2k 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 I O Status Information Page Level 5 Position 19 EventLog The MPA provide
6. 89 MPABO10 RO docx Short Circuit Selectable at 3 0 3 5 4 0 4 5 5 0 5 5 6 0 6 5 7 0 7 5 8 0 8 5 9 0 9 5 10 0 Times Selected Full Load Current S C Trip Times Selectable at 20 40 60 80 100 120 amp 160 mSec REFERENCE IEC 60255 8 Page 42 Issue R0 Date 11 2010 CRN 8168 MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL L g 1 amp L w 1 z 1 L Ev 0 2 pon pim m AN wama mann ET T D oa vas waqasa aU SOSAN 3972 a SS v RNC r Mesi mon rcv i war MOU DIL Lost d DDT dwa CO OD P dabiskie meni ai iare 0 EA AW TS OU OI Ob SOLOW AN TIN 33 0 00 A PN u wa V YONN T Peor 7153 YY ian ur Sere s muna oU CAD KNOW vow asc We 011 Ald 3041NOOu Mv mu F au as wa t O31NI3d 4l wuse x WWGEL MIIA 30IS 037108LNOINN jnoin TANVd Vd BJON T3NVd VIDSYA A KA k t s TPPA T 5 De o o o 8 g S 5 o 1 N o o i A e j Q C SAN Y 1330vu8 l ONLLNNON 3SVO D uugez a ww 966 m uugg ME mean Lasi xr woe uu OSS OP Page 43 MPABO010 R0 docx or MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 Appendix B Approvals Certification of EXPLOSION PROTECTED ELECTRICAL EQUIPMENT Administered by Standards Australia Quality Assurance Services Certificate of Conformity Certificate No 01 2533X Issue 0 21 December 2001 Original Issue Date of expiry 21 De
7. AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 Modbus Address Description Bitmask Modbus Address Description Bitmask 46 DELIBERATELY LEFT BLANK SC Trip Time 0 77 1 20 ms 2 40 ms 3 60 ms 4 80 ms 5 100 ms 6 120 ms 7 160 ms OOF F DELIBERATELY LEFT BLANK 47 High Alarm 96FLC 0 1210096 2 108 3 212096 4 14096 5 216096 6 220096 7 224096 8 28096 9 232096 10 36096 11 400 12 250096 13 6009 14 OFF OOF F 50 EL trip Level xCTRatio 0 120 001 2 20 002 3 20 003 OOF F 51 EL Trip Time 0 ms 1 Ins Instantaneous 2 155 ms 3 195 ms 4 235 ms 5 275 ms 6 315 ms 7 2355 ms 8 395 ms 9 435 ms 10 475 ms OOF F 48 O Load Alarm 0 1 50 2 60 3 27096 4 21596 5 8096 6 2 8596 7 29096 8 29596 9 OFF OOF F 52 Ires Trip Level F LC Q0z 12 1096 2 2096 3 30 4 4096 5 25096 6 60 7 1096 8 8096 9 90 10 10096 11 OFF OOF F 49 Low Alarm Q2 12 32 2 40 3 48 4 56 5 64 6 72 7 80 8 88 9 96 10 OFF OOF F 53 Ires Trip Time 0 12100 ms 2 200 ms 3 500 ms 4 1 0 Sec 5 2 0 Sec 6 3 0 Sec 7 25 0 Sec OOF F MPAB010 RO docx 54 Insulat Test Mode OOF F Page 34
8. Address Table MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 ene Description Bitmask 0 EtherNet IP Internal status only Trip Status 1 Bit Motor O L Trip 1 Bitl 2 Short Cct Trip Bit2 Cur Bal Trip Note Bit3 2 N A 00F 7 Bits set Bit4 Earth Leak Trip when Bits Residual Cur Trip tripped Bit6 Thermistor Trip Bit Under Volts Trip Trip Status 2 Bit MPA Memory Error 2 Bitl RTD Group Trip Bi2 RTD Group2 Trip Note Bit3 MCF 001F Bits set Bit4 Insulat Test Trip when Bib N A tripped Bit6 N A Bit N A Alarm Status 1 Bit High Cur Alarm 3 Bitl Over Load Alarm Bit2 N A Note Bit3 Under Cur Alarm 00CB Bits set Bit4 Earth Leakage Alarm when Bits N A tripped Bit6 RTD Group Alarm Bit RTD Group2 Alarm Alarm Status 2 Bit Insulat Test Alarm 4 Bitl N A Bit2 N A Note Bit3 N A 0001 Bits set Bit4 N A when Bits N A tripped Bit6 N A Bit N A Status Bit Testing Insulat Bitl Insulat Test Enable 5 Open Naga Bit2 Insulat Test OK 00C7 Bits set BIB cS when an NA active BI 2 N A Bit6 Motor Stopped Bit Motor Running MPABO10 RO docx s Description Bitmask DELIBERATELY LEFT BLANK Relay Status Bit 2 Main Trip Relay MTR 6 Bitl Alarm Relay ALM Note Bit2 Auxiliary Relay AUX Bits set
9. 100 a Motor Overload trip occurs The full load currentis selected via the I 10096 setting Level 7 Position 1 and can be setbetween 5 125 A and 640A in 224 increments as shown in Table 5 1 Current Settings MPA Full Load Current Selection Table Amps 5 125 m 00 20 00 28 0 40 0 5250 spas 1050 14350 210 290 22 se e T ase ze as 7375 10 5 1475 215 295 43 s e6 ne 17 232 344 7500 11 00 1500 220 30 0 44 60 ee ns 176 236 352 rans ana ss ms ws e a pw m n sn Bs fans 5 56 pan Table 5 1 Current Settings MPABO10 RO docx Page 14 Zo AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 The trip time is selected via the 6xI Trip t setting Level 7 Position 2 Itis a function of the current and the selected trip time curve The drawing MPA Motor Overload and Short Circuit Trip Times MPAB007 in Appendix A Drawings shows the trip time curves The fifteen motor overload curves allow trip settings from 3 to 40 seconds atsix 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 1 1238A96 Trip Time C 31 53 In 100 P 1 1238 Where C zCurve Selected Current FLC 1
10. A lnitial 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 selectthe 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 30 A 40 A 50 A 60 A 70 A 80 A 90 The A settings automatically reset a motor overload trip once the thermal accumulator falls below the set value Otherwise 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 I A 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
11. CT ratio Trip settings are 100 500 mA with the approved 100 1 Toroid Setting the trip levelto Off will disable this function The time delay is selected via the EL Time setting Settings are Instantaneous and are adjustable between 155 ms and 475 ms 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 resetthe 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 MPABO10 RO docx Page 17 Zo AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 8 Metering The MPA Motor Protection relay provides the following information f Phase Currents Current Balance Residual Current Leakage Current Trip Accumulator thermal capacity indicating how close to a trip condition Result of Insulation Test MPA I option Phase voltage MPA I option Stator Temperature MPA M option DDD DDD DW W Bearing Temperature MPA M option 9 Insulation Test The opti
12. Current Earth Leakage RTD Temp 0 200 C Current Balance 20 mA 100 S X Phase Voltage A phase 20 mA 120 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 l out mA Displayed Value x 8 1458 x 10 5 D DDD 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 data is available over the network See Section 23 MPA Communications Address Table for accessible data MPAB010 R0 docx Page 21 Zo AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL 13 1 Modbus Communications 13 1 1 Modbus Configuration Issue RO Date 11 2010 CRN 8168 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 RS 485 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 via the Modbus Ad
13. ETE EDD 2 Disclaimers a e k e sanu BR TUS ab koy bite e BRUN A 2 B fore Vou BE YIN tr A kk a A A ki a A DA n E 2 Ampcontrol Electronics Contact details C 2 1 Receiving and Storage eM 5 L RSCG WG aa ta Zana kt a kk e a e add n a a ko a kk a e a a tp Ek D 5 12 Storage after Delivery ll l avanti ea it pa d k not aa Ronda na nda RA napa AB n it ko kstdkesenksdda 5 1 3 Unpacking of D UT c TN 5 2 Generals o oe ettet 6 LHME T CODE EVE EE OE o Em 6 211 RTT AUCUNE ROTE TT 6 2 1 2 5 EN DNNWA Or La Ni ki kn n e a ka da ka ka n kk kk ek A ka e pt A 6 22 Safe Use ONE QUI NE M kk ty ok oka n et kn ik kak n ak n pi uites e kk kn an n al 6 2 2 1 Changes to EQUIDIVIGING La a a AS A n A A Ak 6 2 2 2 Equipment Knowledge l l nn nnnnnnnnnnnnnnnsnnnnnnsnnnnnnnnnnnnnnns 6 23 Conditions to Maintain Intrinsically Safe Ratling l l nnnnnnnnnnnnnnnnnnnnnninnans 7 3 Overview OT MPAS VO K Y sek ke kb kon e e a 8 3 1 General Description LLL tage oo o DETIENE 8 3 2 Protection Functions assis ll a n ES ei al e n e kk a b MUR ab pd bank Mis URDU kis an 8 33 Optional Monitoring Modules sc kari aa oi a lt a nc ts pacato a a a e kak ke e pa 9 3 3 1 MPA M m 9 3 3 2 MPASI rnama a aa a aa kaa 9 3 3 3 POE AMI E iaoa kk ko ek n E EN aa A E A N 9 4 Basic Display Operation a tk kan kk l a n a ka e e a ka kn kk ee ka pa ba ia 9 41 S
14. in Appendix B Approvals atthe back of this manual of this manual The ISB 1 Battery Assembly Module is certified as complying with the relevant standards for intrinsically safe electrical equipment with the following grouping and classification Ex ia 150 C 20 C to 40 C ambient temperature range Underground Coal Mines WARNING To ensure that this equipment does not contravene the Certificate of STOP Conformity certain conditions must be met they are as follows a Thefollowing entity parameters must be observed Um 132V Entity Parameters Group Uo lo Apparatus V mA Co Lo pF mH ISB 1 37 0 5 10000 1000 b ThelSB 1 Battery Assembly Module shall be installed in an appropriately certified enclosure providing a Degree of Protection of at least IP 20 c ThelSB 1 Battery Assembly Module shall only be removed or replaced in a nonhazardous area d ThelSB 1 Battery Assembly Module is considered intrinsically safe only when the mains power and any other power sources are de energised MPAB010 R0 docx Page 7 ao A AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 3 Overview of MPA3 V6 Relay 3 1 General Description The 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 Itcan also b
15. of the motor when itis 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 MPABO10 RO docx Page 15 ao gt AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 5 22 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 The 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 I 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 an 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
16. setting Level 7 Position 26 and is adjustable between 1 and 31 13 1 2 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 responses are Modbus Exception Comment 01 Illegal Function 02 Illegal Data Address 03 Illegal Data Value 13 13 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 No OptCard 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 a valid Online OK Modbus transaction has occurred in the last 30 seconds MPABO10 RO docx Page 22 Zo GMESONTRAL S MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 13 2 EtherNet IP Communications 13 21 Ethernet Network Co
17. the setting process Review the new value to confirm the correct setting j Open the lock input Ifthe ESC key is operated at any stage during the procedure the modifying sequence is aborted and the setting reverts to its previously stored value MPABO10 RO docx Page 26 ao A AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 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 DiP wr terminal to the respective digital input s terminal The status of each input can be viewed on the MPA 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 Startinputcan be used to resetthe 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
18. voltages drop below the selected trip setting ofthe 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 4096 to 9596 Setting the trip level to Off disables this function 11 PT 100 RTD Temperature Protection The optional Monitoring Module MP A 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 RTD s 1 2 and 3 and Group 2 RTD s 4 and 5 Each Group has a separate alarm and trip level Group 1 G1 is intended for monitoring 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 T settings Level 7 Position 20 and 22 and are adjustable from 60 C to 200 C If the measured value exceeds the trip level for 2 seconds a trip occurs Trip s 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 A and or RTD G2 A settings Level 7 Position 21 and 23 and are adjustable from 50 C to 200 C If the measured value exceeds the al
19. 2001 Additional Information The ISB 1 Battery Assembly Module is considered Intrinsically Safe only when the mains power and any other power sources are de energised Issued by Engineering Testing and Certification Centre s 2 Smith Street REDBANK QLD 4301 Australia enan to sitar Postal Address PO Box 467 GOODNA QLD 4300 Australia Quality System Certified to Phone 61 7 3810 6381 Fax 617 3810 6366 AS NZS ISO 9001 Certification No 6039 STANDARDS dme i Standards Auscralia Quality Assurance Services Pay Limited ABN 67 050 611 G42 MPABO10 RO docx Page 47
20. 2010 CRN 8168 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 MPA I and M contain alarm settings for Insulation Test and Temperature Monitoring 15 1 High Current Alarm This is triggered by the phase currents exceeding the selected threshold Itis selected via the HI 1 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 Itis selected via 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 Itis selected via the LO I Alm setting Level 7 Position 10 and is adjustable from 32 to 96 This alarm is only activated when the motor is runnin
21. 50 Hz 2 Hz Trip Setting 0 001 x to 0 005 x CT Ratio and Off Time Delay Instantaneous and 155 ms to 475 ms Trip Setting 10 to 100 FLC and Off Time Delay 100 ms to 5 Seconds 5 125 to 640 Amps 224 values across the range Steps of 1 6 3 3 4 5 6 7 8 10 12 14 16 20 24 28 32 40 Seconds 3096 4096 5096 6096 7096 8096 90 1 0 1 5 2 0 2 5 3 0 4 0 5 0 5 10 20 50 and Off 3 0x to 10 0x FLC 0 5 increments or Off 20 40 60 80 100 120 160 ms PTC resistor lt 2 2 k Selectable from 40 to 95 and Off Trip delay 1 5 Seconds Selectable from 1 0 to 100 Meg Ohm and Off Selectable from 60 C to 200 C and Off 2 Seconds Selectable from 100 to 600 and Off Time Delay 1 Second Selectable from 32 to 96 and Off Time Delay 2 Seconds Selectable from 50 to 95 and Off Time Delay 2 Seconds Selectable from 32 to 96 and Off Time Delay 2 Seconds Selectable from 20 50 80 and Off Time Delay 1 Second Selectable from 1 0 to 100 Meg Ohm and Off Selectable from 50 C to 200 C and Off RS485 Communication P ort EtherNet IP Relay Contacts MTR ALM AUX MPAB010 RO docx Standard Modbus RTU Protocol MPA is a slave Device Baud rate 1200 2400 4800 and 9600 with even odd or no parity IP address default gateway and subnet mask are selectable 1 N 0 5 A 250 VAC 1C 0 5 A 250 VAC 1 N O 5 A 250 VAC Page 31 Zo AMPCONTROL w o 23 MPA Comms
22. Bit3 Megger Activated 000F Bit4 N A when Bits N A energised Bit6 N A Bit N A Digital Inputs Bit Insulat Test Enable Bitl Insulat Test Fitted d Bit2 Lock Note Bit3 Reset OOF F Bits set Bitd Estart when open BIG T MCI Bito Dil Bit PTC 8 OC Thermal Accum 0 120 OOFF 9 RESERVED 0000 10 A Phase Current 0 1000 O3FF 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 OOF F Avg Current 18 0 250 0 1000 UE 19 Current Balance 0 100 OOF F Control Byte from modus write address 65 id Keyboard Data Bit Up Arrow Bit Left Arrow 21 Bi Enter Key Bit3 Right Arrow OOF F Bits clear Bit4 Down Arrow whenkey Bits Reset Key pressed Bit6 Esc Key Bit Test Key 22 A Phase Voltage 0 120 OOF F 23 B Phase Voltage 0 120 OOF F 24 C Phase Voltage 0 120 OOFF 25 RTD1 Temp 0 210 degC OOF F 26 RTD2 Temp 0 210 degC OOF F 27 RTD3 Temp 0 210 degC OOF F 28 RTD4 Temp 0 210 degC OOF F Page 32 ao gt AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 Modbus Address Description Bitmask Modbus Address Description Bitmask DELIBERATELY LEFT BLANK 29 RTD5 Temp 0 210 degC OOF F 30 Insulat Test Result MO hms 0 for 0 8Mohm
23. LAY MANUAL Issue RO Date 11 2010 CRN 8168 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 ofthis documentation and specifically disclaims any implied warranties or fitness for any particular purpose Ampcontrol further reserves the rightto 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 momentto thank you for purchasing the MPA3 V6 Motor Protection Relay WARNING f uu f 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 MPABO10 RO docx Page 2 L AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 Table of Contents Safely and other Wafi g n d Gase e a Data a ak kk date a l e cnt Eel eed marae apa 1 Copyright NOICE MR E E
24. TD 0 20mA 5 Ibal 0 20mA 6 Va 0 20mA 7 O L 4 20mA 8 Cur 4 20mA 9 lel 4 20mA 10 RTD 4 20mA 11 Ibal 4 20mA 12 Va 4 20mA OOF F 63 Modbus RTU Comms Mode Q2 1 1200n 2 1200e 3 12000 4 2400n 5 2400e 6 24000 7 4800n 8 4800e 9 48000 10 9600n 11 9600e 12 96000 OOF F 64 Modbus Address 0 1 31 OOF F MPAB010 RO docx MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 Notes 1 MPA is a Modbus Slave RTU device 2 Supported Modbus Commands 03 Read Setpoints amp Actual Values 04 Read Setpoints amp Actual Values 06 Store Single Setpoint See note 5 16 Stores Multiple Setpoints 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 Page 36 Zo AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 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 MPA to Ampcontrol for repair It is essential that no attempt be made to repair the MPA as any attempt to disman
25. age area is notan area where water will collect 13 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 AN 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 i 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 AE environmentally responsible manner Where possible dispose ofall waste products i e oils metals plastic and rubber products by ENVIRONMENTAL ALERT using an approved recycling service centre MPAB010 R0 docx Page 5 Zo AMPCONTROL Ww o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 2 General safety 2 Personnel Safety Warnings W 2 1 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 m
26. al 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 Ifthe 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 gt 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 2 Press 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 a 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 v 5 Repeatsteps 3 and 4 until the correct time and date are displayed 6 With the V showing pr
27. arm EL EL Time EL Alarm Ires Trp Ir Time ITst Mode ITst Trp ITst Alm UV Level RTD G1T RTD G14A RTD G2T 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 current alarm threshold as a 96 of FLC Selects the overload alarm threshold as a of the thermal accumulator Selects the low current alarm threshold as a 96 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 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 96 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 MPABO10 RO docx Selects the commu
28. arm level for 2 seconds an alarm occurs Alarm s 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 MPABO10 RO docx Page 20 ao 07s AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 The RTD temperatures for group 1 and group 2 can be viewed on the Temperature Information Page Level 2 Positions land 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 open circuitor the RTD resistance rises above 330 Unused an RTD inputs can be terminated with a 100 resistor 0 C to avoid the error code 245 Error code 245 results ifthe RTD is short circuited or its resistance falls below 80 The RTD s will operate correctly if the combined installation cable resistance to the PT 100 RTD is less than 40 12 Analogue Output The optional Monitoring Module MP A M provides an isolated analogue output configurable as 0 20 mA or 4 20 mA The outputis selected via the An OP setting Level 7 Position 24 to continuously monitor one of the following sections 20 mA 100 20 mA 100090 20 mA 100 20 mA 200 C S Trip Accumulator Average
29. care does not ensure compliance with electrical safety and performance requirements other than those included in the standards listed above The equipment listed bas successfully met the examination and test requirements as recorded in Test Report No NJ01 0009 File Reference 1 ference 91 0074 P80960 ia mat m r A Ni Signed for and on be v of issuing authority AlSenior Engineer Certification Engineering Testing and Certification Centre Position 21 December 2001 Date of tssue This certificate and schedule may not be veproduced except in full Uhis certificate ts not transferable and remains the property of Standards Australia Quality Assurance Services and must be returned in the event of its beiug revoked ov not renewed Certificate No 01 2533X Issue 0 Issued by Engineering Testing and Certification Centre wA 2 Smith Street REDBANK QLD 4301 Australia r b us Postal Address PO Box 467 GOODNA QLD 4300 Australia Quality System Certified to Phone 61 7 3810 6381 Fax 617 3810 6366 AS NZS ISO 9001 Certification No 6039 STANDARDS AUSTRALIA Standards Auscralta Quality Assurance Services Pty Limired AB N 67 650 611 642 Page 2 of sus MPABO10 RO docx Page 45 w s MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 Certification of EXPLOSION PROTECTED ELECTRICAL EQUIPMENT Administered by Standards Australia Quality Assurance Services Schedule Equi
30. cember 2011 Certificate Holder AMPCONTROL Pty Ltd 250 Macquarie Road WARNERS BAY NSW 2282 Electrical Equipment LS Battery ISB 1 Type of Protection and Marking Code Ex ia I AUS 01 2533X Manufactured by AMPCONTROL Pty Ltd 250 Macquarie Road WARNERS BAY NSW 2282 lisued by Engineering Testing and Certification Centre A 2 Smith Street REDBANK QLD 4301 Australia LA Postal Address PO Box 467 GOODNA QLD 4300 Australia Quality System Certified to Phone 61 7 3810 6381 Fax 61 7 3810 6366 AS NZS ISO 9001 Certilication No 6039 Page 1 of Standards Australia Quality Assurance Services Pry Limited A BIN 67 050 611 692 MPABO10 RO docx Page 44 MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 Certification of Administered by Standards Australia Quality Assurance Services This certificate is granted subject to the conditions as set out in Standards Australia Miscellaneous Publication MP 69 and the Procedures Doc Q7 134 of the scheme Lhe electrical equipment and any acceptable variation to it specified in the schedule to this certificate and tbe identified documents was found to comply with the following standards AS NZS 60079 0 2000 Electrical equipment for explosive gas atmospheres Part 0 General requirements AS NZS 60079 11 2000 Electrical equipment for explosive gas atmospheres Part 11 Intrinsic Safety i Amdt 1 7 February 2001 This certifi
31. d 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 1 2 Over Current Function Tripped Motor O L Trip 3 ShortCircuit Function Tripped Short Cct Trip 1 Phase Current Balance Function Tripped Cur bal Trip Earth Leak 1 Earth Leakage Function Tripped Tri p Residual 1 Residual Current Function Tripped Trip Thermistor Thermistor PTC Function Tripped Trip Under Volts _ Under Volts Function Tripped Trip MPAB010 R0 docx Page 10 ao gt AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 Message and Type Comment MPA Memory 1 Corrupted memory in relay s stored settings Error RTD Groupl RTD Group 1 Function Tripped Trip RTD Group2 I I RTD Group 2 Function Tripped Trip Motor Cont I 1 Main Contactor Fail Function Tripped Fail Insulat Test f I 1 Insulation Test Function Tripped Trip High Cur 2 Phase current above set threshold level Alarm Over Load 2 Thermal Accumulator above set threshold level Alarm MPABO10 RO docx Page 11 ao qv a MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 Message and Type Comme
32. e 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 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 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 oftwo 2 seconds during an extreme power dip or power loss The MPA s eventlog and adjustable settings are battery backed with an approved IS Battery AUS Ex 01 2533X Ex ial when mains power is de energised The battery is not user replaceable return the MPA Relay to Ampcontrol for replacement of the approved battery The MPA is housed in an enclosure suitable for flush moun
33. ess the reset button The v then changes to E This is a promptto press the ENT key 7 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 anuary on power up 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 MPABO10 RO docx Page 30 A The date and time is used only to time stamp the events in the log which are recorded ao AMPCONTROL w o 22 MPA Specifications MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 Feature Auxiliary Supply Volts Earth Leakage Protection Residual Current Overload Protection Current Range 6x Trip Time O L Reset Level S Cool Ratio Current Balance Trip Settings Short Circuit Protection Trip Setting Trip Time Thermistor Protection Under voltage Protection Trip Setting Trip Time Insulation Test Trip Setting RTD Temperature Protection Trip Setting Time Delay MPA Alarms High Current Low Current Overload Under Current Earth Leakage MPA Optional Module Alarms Insulation Test Alarm RTD Group1 amp 2 Over Temp Serial Communications Details 240 VAC 20 50 Hz 2 Hz or 110 VAC 20
34. g 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 setto 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 the earth leakage alarm bit follows the earth leakage trip bit Setting the alarm level to Off disables this function MPABO10 RO docx Page 24 Zo AMPCONTROL Ww o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 16 Adjustable Settings The MPA settings can be reviewed and or adjusted by selecting the MPA Settings Information P age Level 7 At this level all the adjustable parameters are listed with their current value Motor Protection Relay if itis supplied with the Ethernet option and the Ethernet settings A Although settings are available in both cases the Modbus settings will not function on a 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 Trip SC Trip t HI I Alarm O Load Alm LO I Al
35. id 60 mm ID 115430 Toroid 85 mm ID 101656 Toroid 112 mm ID 143401 MPA3 V6 3 User Manual MPABO10 RO docx Earth leakage Toroid to be specified at time of order placement Page 38 Zo AMPCONTROL w o Appendix Drawings Drawing Number MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Description Issue RO Date 11 2010 CRN 8168 MPAE001 Connection Diagram MPAB003 MPA Display Map MPAB007 Motor Overload and Short Circuit Curves MPAA007 Case Dimensions The drawings appear in the following pages in the same order in which they are listed in the table above If this documentis being read via a computer the hyper links may be used Press control and click on the drawing number to go to that drawing MPABO10 RO docx Page 39 8168 Issue RO Date 11 2010 CRN MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL E 100 3 Yd mou Lg ROR Lave WVYOVIO NOILJ3NNO2 AVIRY NOILIILONE 8010 VdW TOYLNOJdWY 4936928 410941 njay xny Andina I comme 13 I 318VvN3 1531 NOU V ASNI 08v NOUdO 4531 NOU VINE NOILGO NOU VJINMWWOJ 13N83H13 O31NIl3d JI Q311081NO2Nn TI awojog 442 juod ZLZLOL ON d 4 000 19210006 5 1 ASDYJ vns gis A LONG za F ES NO Ld0 NOU VIINNWADJ ELKAJ Page 40 MPAB010 R0 docx MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 lt a u u w wo IF PRINTED aea ul e a z e w
36. ine 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 MPAB003 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 4 Hz Trip 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 MPABO10 RO docx Page 9 Ni GMESONTRAL MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 4 1 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 an
37. l 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 sec Setting the trip level to Off disables this function leakage protection It can be used to provide some detection of wiring CT internal relay A The residual current function can be used even if a core balance toroid is used for earth faults 6 Earth Leakage Protection The earth leakage protection function is designed and tested to AS2081 3 1988 and uses a 100 1 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 currentis displayed on the Current Volts Information P age as le shown as a of the selected trip level When the leakage reaches 10096 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
38. nfiguration 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 IP Address IP Addr 3 IP Addr2 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 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 150 ms The MPA data should be available as Input data once an EtherNet IP Connection has been established MPABO10 RO docx Page 23 ao A AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11
39. nications baud rate Selects the Modbus Slave address Page 25 ao A AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 16 3 Ethernet Settings IP Addr 3 D 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 SubnetMask 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 Ensurethe motor is stopped b Using the right arrow key display the parameter that has to be changed c 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 e Press the ENT key The top line of the display will change to Ent ESC 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 Save Ent h Press the ENT key The top line of the display will change to Saving i The top line ofthe display will change to Stored Value This completes
40. nt Under Cur 2 Phase current below set threshold level Alarm Earth Leak Alarm RTD Groupl Alarm RTD Group2 2 Alarm Insulat Test 1 2 Alarm Testing Insul at 2 IT Enable Open e Insulat Test OK MPABO10 RO docx Earth leakage Current is above the set threshold level Group Temperature above set threshold level Group 2 Temperature above set threshold level Test result at alarm level In process of Insulation Test Insulation test disabled Insulation Test above the set threshold Page 12 ao gt GMESONTRAL MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 Message and Type Comment 2 MCI Open Motor Stopped 2 MCI Closed Motor Amps Table 4 1 MPABO10 RO docx Page 13 ao gt wgonNrnot MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 5 Current Related Functions 5 1 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 model 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
41. old A L M Il e 4 RTD Group 1 Trip condition T RP MIMI RTD Group 2 Trip condition i T R P I T S T O K ao A AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 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 where 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 thatthe 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 origin
42. onal Insulation Test Module MPA I 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 Dil Dil digital input activates IT Key Keyboard Test Key activates IT Dil Key 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 IT Module not installed TM Mtr Motor Running IT Disabled Run IT Module installed but Enable Input ITE not bridged Enabl MPABO10 RO docx Page 18 ao A AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 e Ready to test waiting IT input according to IT Mode setting Test Testi f I f Testin progress IT input must remain for three 3 seconds ng Test IT result was OK message remains until loss of IT input OK Alarm result triggered an alarm message remains until loss of IT inp
43. pment The ISB 1 L S Battery Assembly Module consists of a battery type Varta CR 1 2AA and a current limiter resistor mounted on a printed circuit board Drawings nemen cJ REVISION DATE MPA Z 010 Ampcontrol ISB A I S Battery 17 08 01 Assembly Module Details Conditions of Certification The entity parameters as listed below shall be observed Um 132V ENTITY PARAMETERS wei ED HF mH Lm x oe Dome om The ISB 1 Battery Assembly Module shall be installed in an enclosure providing a Degree of Protection of at least IP20 The ISB 1 Battery Assembly Module shall only be removed or replaced in a nonhazardous area tonel Certificate No 01 2533X Issue 0 Date of Issue 21 December 2001 Engineering Testing and Certification Centre A 2 Smith Street REDBANK QLD 4301 Australia AAN Postal Address PO Box 467 Goopna QLD 4300 Australia Quality System Certified to Phone 61 7 3810 6381 Fax 61 7 3810 6366 AS NZS ISO 9001 Certification No 6039 STANDARDS AUSTRALIA Srandards Australia Quality Assurance Seevices Pty Limited ALBIN 67 050 61 642 Page sof d MPABO10 RO docx Page 46 T s MP A3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 Certification of EXPLOSION PROTECTED ELECTRICAL EQUIPMENT Administered by Standards Australia Quality Assurance Services Addendum to Certificate No 01 2533X Issue 0 Date of Issue 21 December
44. rent Alarm van e baga min pa ava na si Sed n ri a n ok n m a A ti ka ap n 24 15 2 AD VETO AA NNA Se ki ab w kaa o ETE 24 153 Under UTER Plane usaba utr t kn Dui a a RD n kk ku ka Quito tutus 24 IT MET PEL CHIC HP m mom 24 TO OS ej emer CWINS RE aani T DO TO di on ble k a ka pa ai 25 SM e MERE 25 162 Modbus Settings T EE 25 163 Ethernet S BW E EO a a ka kk ask Rm 26 164 Changing Settings l oak ko M MR 26 Mg ADA M SR s uu m meme 27 18 lt Output CIL m 27 19 EVEDEEOG iati b aki ap kwi ra ai rand an Mid dened ae E Hee av A atin bien km ka RENE 27 20 Advanced Display Operation od kai ka ki l l l a as ke ne kd a ko ki a ian 30 OMM ICI C mer 30 22 MEANS SCN Ce MI ING a asas kat aR ki kk aA REED ak Ru BRUT 31 23 MPAComms Add ess TI BO 2 ti eks ik dd ak a pk knn ea e kk a a kk EUER 32 24 Maintenance amp Disposal monu ya d kt as n a nac pH kk lk ki ai ai Ba E CERE M ESI E Rc OR Spa aa EEES 37 24 1 Equipment Mailntenance bobin a aaa saa ak ki kk kak de kwe kk asa k kk ka ko kek 37 24 2 Disposal of System Parts ky tay blak l e kk n e ep a a kk n n a e kk pon an 37 25 cui uM ei keep s uu pa te kk bb at a a aid ei pak ba ken te pa ka tee 38 25 1 Base Models and Options Part NoS kant ekate ka kk ak tb a n ob pk kb dp kak ik 38 25 2 Miscellaneous Extras kes ano 38 Appendix C p aa ii ka a kk a kk A A a A A A A A A kb 39 Appendix B Approvals T
45. s 1 99 for 0 1 to 9 9 Mohms 100 127 for MOhms 138 255 for 10 to 127 Mohms OOF F 31 Analogue Output Value 0 255 x 8 1458E 05 gives 0 20 77mA OOF F 32 33 34 to 38 39 40 41 MPA Version MPAxVy where x Top 3 bits Hardware Ver y Bot 5 bits Software Ver Option Version OPTxVy where x Top 3 bits Hardware Ver Bot 5 bits Software Ver O L Reset 0 1 30 2 40 3 50 4 60 5 710 6 80 7 90 8 A 30 9 A 4096 10 2 A 5096 11 2 A 6096 12 2 A 7096 13 2 A 8096 14 2 A 9096 E L Alarm Setting 0 1 20 2 50 3 80 4 EL T 5 Off FLC Setting See OC section 1 32 5 125 10 000 A 33 64 10 25 20 00 A 65 96 20 5 40 0A 97 128 241 80 A 129 160 82 160 A 161 192 164 320 A 193 224 328 640 A OOF F OOF F OOF F OOF F OOF F OOF F 42 6xFLC Trip Time 0 1 3s 2 45 3 55 4 65 5 75S 6 8s 12105 82125 9z14s 10 16 5 112205 122245 13 2285 142325 15 2405 OOF F 43 S Cool Ratio 0 1 1 0 2 15 3 2 0 4 25 5 3 0 6 4 0 7 25 0 OOF F 44 Balance Trip 0 1 5 2 10 3 20 4 25096 5 Off OOF F 45 SC Trip Level xFLC 0 1 3 NA I w cn ul WO CO C Un A Ww ul ou 1027 5 12 8 5 13 9 14 29 5 15 210 16 Off OOF F MPAB010 RO docx Page 33 ao gt
46. s a real time clock calendar which combines with non volatile memory to provide a data logging feature This log has I S battery back up and 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 MPABO10 RO docx Page 27 ao A AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 An example typical display is as follows This log indicates thatan earth leakage fault caused a trip condition on Monday 15 May at9 46am Log 10 indicates that itis 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 MPABO10 RO docx Page 28 2s Comment ao So Il MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL III 1 Control power to MPA was applied Issue RO Date 11 2010 CRN 8168 U P l i u T RIP ii Thermal Accumulator has exceeded the set threshold A L A R M li CUR AL Phase Currents above set threshold M II n ill T T W lt I P Overload Trip condition P N Short Circuit Trip condition Il 9 E Motor Contactor F ail E MI AD Phase Currents below set thresh
47. tatus apro ana kt tk aa kk kk A e e kk EK FEY 10 5 CurrentRelated Functions CC 14 MEE rU oem 14 5 2 Short Circuit PROTEC ON u a kk a asit na ont cuta unte D Rapp kk kk 16 5 33 Phase Current Balance 16 b Residual Current SO NA casse s u aR a aan Yeu EAE URS ki DU l ks secu a pik LATO EIN GEM apaq 17 amp Eanth Leakage PIOUSCUON cias oii uda dique ront pde dieses OE Cdi qu Mut am acd Abc REUS 17 7 Motor Contactor Fail Protection p i soi ekspe k daso pan rud cansashceatesaiieantathdeansarutdontateieatassbedalaiatendiients 17 JNEES CC 18 9 AANSWADON T S L epi ETT 18 ONES SIME 20 11 PT 100 RTD Temperature Protection a ri pk a od a nn uad doped ertt Ra tuebantur dna EAR aen Rand 20 LE CRT X 21 19 OEA L AA ON R k darn du ea e did use in e tk s qasaqa anka a ae kip Mamaia ak 21 13 1 Modbus Communications sa kl tl ak kak no biya ak pi laa kk ask kana ek den ke 22 131 1 Modbus Configufall ia u EE 22 13 1 2 Modbus Commands abitye ba sibi ewa saa ed pk k vi ia denie ena ik api vide 22 13 3 MOUNUE SONE al t a e S 22 132 EtnerNetIP CoOmma u iCatiole oui l d kl n a l a kk DS aE aude hua Et AE 23 14 Energy Storage MOUS u a di a a ak a ann e tt n a a pk n ad e n 24 MPABO10 R0 docx Page 3 L AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 15 MP AA AN FUN CHON S un u kl a e ananassa aasawa bc cosa esa e bk e DA DE 24 15 1 High Cur
48. ting 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 D Overload Short Circuit Earth Leakage Designed and Tested to AS2081 3 1988 Motor Contactor Fail Phase Current Unbalance Undercurrent Over current Alarms Over Temperature PTC Thermistor Optional Under voltage Optional Insulation Test Optional PT 100 RTD Temperature Protection D D CQ CO UU WD DW W MPAB010 R0 docx Page 8 Zo AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 33 Optional Monitoring Modules 3 3 1 MPA M This optional monitoring module MPA M can be utilised to provide the following features S Five PT 100 RTD inputs which are arranged in two groups three for the stator and two for the bearings B RS485 Modbus RTU communication port that can be connected to Motor Starter PLC s or a central monitoring system for continuous monitoring and fault finding B A 0 20 mA 4 20 mA Analogue Output 3 3 2 MPA I This is an optional insulation test module which allows frequent testing of motor insulation 3 3 3 MPA M e This optional monitoring module has the same features as the MPA M module exceptthe 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 l
49. tle or repair the MPA can seriously compromise the safety of the unit and the consequence can be fatal The MPA3 V6 Motor Protection Relay does not have any customer serviceable parts and is not provided with any user adjustments WARNING The ISB 1 Battery Assembly Module shall only be removed or replaced in a STOP nonhazardous area 24 2 Disposal of System Parts negative consequences for the environment and human health which could otherwise be caused by incorrect waste handling of this product 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 MPABO10 RO docx Page 37 a b 1 AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL 25 Equipment List 25 1 Base Models and Options Part Nos Issue RO Date 11 2010 CRN 8168 Optional Monitoring Serial Communications Auxiliary Extended Modules Option Supply Service PART NUMBER MODEL DESCRIPTION Volts Motor Insulation Over EtherNet IP RS485 Test Temp Modbus MPA3V06 3 Std 110 120366 MPA3V06 3 1 110 120368 MPA3V06 3 M 110 120369 MPA3V06 3 IM 110 120371 MPA3V06 3 IM e 110 143095 MPA3V06 3 IM e 240 143096 e Each Relay is supplied complete with the required Phase Current Transformers 25 2 Miscellaneous Extras 101658 Toro
50. ust 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 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 not permitted 2 2 2 Equipment Knowledge Experience with or understanding of this equipmentis essential forthe safe installation and removal ofthe 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 MPABO10 RO docx Page 6 Zo GMEGONTRAL MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 2 3 Conditions to Maintain Intrinsically Safe Rating Refer also to Certificate of Conformity
51. ut ed Tripp I f IT result triggered a trip message remains until trip is reset ed MPABO10 RO docx Page 19 ao A AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 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 M downto0 8M with lt 0 8M displayed for values less than 0 8 M The trip level is selected via the ITst Trp setting Level 7 Position 17 and is adjustable between 1 0M and 100 M The alarm level is selected via the ITst Alm setting Level 7 Position 18 and is adjustable between 1 0M and100 M A trip takes 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 MPA I allows Under voltage protection that is enabled as soon as the main contactor is closed indicated by closing the MCI input If any ofthe phase
52. via the Sc Trip t setting Level 7 Position 7 and is adjustable from 20 to 160 ms See Drawing MPABOO7 in Appendix A Drawings To resetthe relay following a short circuittrip itis necessary close the lock input then 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 MAX 1 x100 la m ave Where ave Average of the 3 phase currents MAX 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 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 MPABO10 RO docx Page 16 Zo AMPCONTROL w o MPA3 V6 3 MOTOR PROTECTION RELAY MANUAL Issue RO Date 11 2010 CRN 8168 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 digita
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