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MPA3 V5.4 MOTOR PROTECTION RELAY MANUAL

Issue: R0, CRN: 8168, Date: 11/2010

MPAB009 Rev0

MPA3 V5.4 Motor Protection Relay Manual

Page 33

Equipment List

25.1

Base Models and Options Part Nos.

MODEL DESCRIPTION

Auxiliary

Supply

Volts

Extended

Service

Motor

Optional Monitoring

Modules

Serial Communications

Option

PART NUMBER

Insulation

Test

Over-
Temp

EtherNet/IP

RS485

Modbus

MPA3V05.4 Std/110

110

120405

MPA3V05.4 Std/240

240

120228

MPA3V05.4 Std/E240

240

120367

MPA3V05.4 I/110

110

120224

MPA3V05.4 M/110

110

120404

MPA3V05.4 M/240

240

120229

MPA3V05.4 M/E240

240

120370

MPA3V05.4 IM/110

110

120403

MPA3V05.4 IM/240

240

120230

MPA3V05.4 IME/110

110

121529

MPA3V05.4 IM/E240

240

120372

MPA3V05.4 IM(e)/110

110

143093

MPA3V05.4 IM(e)/240

240

143094

Each Relay is supplied complete with the required Phase Current Transformers

25.2

Miscellaneous Extras

101272

1000/1 45mm ID Current Transformers (3 Required)

101658

Toroid 60 mm ID

115430

Toroid 85 mm ID

Earth leakage Toroid to be specified at time of order placement

101656

Toroid 112 mm ID

143402

MPA3 V5.4 User Manual

Summary of Contents for MPA3

Page 1: ...OTOR PROTECTION RELAY Suitable for General Industrial Applications USER MANUAL Issue R0 Nov 2010 CRN 8168 Ampcontrol User Manual Part No 143402 Designed and Manufactured in Australia by Ampcontrol CSM Pty Limited ...

Page 2: ...s 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 Informat...

Page 3: ... 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 Ampcontrol Electronics Contact details Ampcontrol CSM Pty Ltd 7 Billbrooke Close Camero...

Page 4: ...pment 6 2 2 2 Equipment Knowledge 6 3 Overview of MPA3 V5 Relay 7 3 1 General Description 7 3 2 Protection Functions 7 3 3 Optional Monitoring Modules 8 3 3 1 MPA M 8 3 3 2 MPA I 8 3 3 3 MPA M e 8 4 Basic Display Operation 8 4 1 Trip Status Messages 9 5 Current Related Functions 10 5 1 Overload Protection 10 5 2 Short Circuit Protection 12 5 3 Phase Current Balance 12 5 4 Residual Current Signal 1...

Page 5: ... 16 Adjustable Settings 20 16 1 Common Settings 20 16 2 Modbus Settings 20 16 3 Ethernet Settings 21 16 4 Changing Settings 21 17 Digital Inputs 22 18 Output Relays 22 19 Event Log 22 20 Advanced Display Operation 24 21 Time Date 24 22 MPA Specifications 25 23 MPA Comms Address Table 27 24 Maintenance Disposal 32 24 1 Equipment Maintenance 32 24 2 Disposal of System Parts 32 25 Equipment List 33 2...

Page 6: ...pings 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 ...

Page 7: ...f 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...

Page 8: ...med 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 operator interface The display provides easy access to all available information A simple procedure allows adjustment of the relay s settings The ...

Page 9: ...unications 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 ...

Page 10: ...1 Earth Leakage Function Tripped Residual I Trip 1 Residual Current Function Tripped Thermistor Trip 1 Thermistor PTC Function Tripped Under Volts Trip 1 Under Volts Function Tripped MPA Memory Error 1 Corrupted memory in relay s stored settings RTD Group1 Trip 1 RTD Group 1 Function Tripped RTD Group2 Trip 1 RTD Group 2 Function Tripped Motor Cont Fail 1 Main Contactor Fail Function Tripped Insul...

Page 11: ...A Full Load Current Selection Table Amps 5 125 7 000 10 000 14 00 20 00 28 0 40 0 56 80 110 160 220 320 440 5 250 7 125 10 25 14 25 20 5 28 5 41 57 82 112 164 224 328 448 5 375 7 250 10 50 14 50 21 0 29 0 42 58 84 114 168 228 336 456 5 500 7 375 10 75 14 75 21 5 29 5 43 59 86 116 172 232 344 464 5 625 7 500 11 00 15 00 22 0 30 0 44 60 88 118 176 236 352 472 5 750 7 625 11 25 15 25 22 5 30 5 45 61 ...

Page 12: ...hes 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 and 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 pr...

Page 13: ...it 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 MPAB007 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 ...

Page 14: ...ng 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 Ie shown as a of the selected trip level When the leakage reaches 100 for the selected time delay a trip occurs ...

Page 15: ...or 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 Either one of the above activate IT Off IT disabled The ITsta...

Page 16: ...ge 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 Off disables this function 11 PT 100 RTD Temperature Protection The optional Monitoring Module MPA M allows temperature monitorin...

Page 17: ...ng Module MPA M provides an isolated analogue output configurable as 0 20 mA or 4 20 mA The output is selected via the An OP setting Level 7 Position 24 to continuously monitor one of the following sections Trip Accumulator 20 mA 100 Average Current 20 mA 120 Earth Leakage 20 mA 100 RTD Temp 0 200 C 20 mA 200 C Current Balance 20 mA 100 Phase Voltage A phase 20 mA 120 The analogue output status is...

Page 18: ...put 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 f...

Page 19: ...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 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 dat...

Page 20: ...s triggered by the thermal accumulator exceeding the selected threshold It is 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 It is selected via t...

Page 21: ...s the trip time for the short circuit function HI I Alarm Selects the high current alarm threshold as a of FLC O Load Alm Selects the overload alarm threshold as a of the thermal accumulator LO I Alarm Selects the low current alarm threshold as a of FLC EL Selects the sensitivity trip level for the earth leakage protection EL Time Selects the trip time for the earth leakage protection EL Alarm Sel...

Page 22: ...f 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 chan...

Page 23: ...he thermal modelling through the Cooling Multiplier and also provides the basis for Motor Contactor Fail MCF monitoring Di1 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 2 k The PTC resistance needs to be below thi...

Page 24: ...verload Trip condition SC Trip Short Circuit Trip condition Mot Con F Motor Contactor Fail uLoad Alm Phase Currents below set threshold RTDg1 Trp RTD Group 1 Trip condition RTDg2 Trp RTD Group 2 Trip condition ITst OK 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 corrup...

Page 25: ...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 ...

Page 26: ...2 k 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 O...

Page 27: ...MPA3 V5 4 MOTOR PROTECTION RELAY MANUAL Issue R0 CRN 8168 Date 11 2010 MPAB009 Rev0 MPA3 V5 4 Motor Protection Relay Manual Page 26 Feature Details ALM AUX 1 N O 5A 250VAC ...

Page 28: ...ulat Test Enable Open Bit2 Insulat Test OK Bit3 N A Bit4 N A Bit5 N A Bit6 Motor Stopped Bit7 Motor Running Modbus Address Description Bitmask DELIBERATELY LEFT BLANK 6 Note Bits set when energised Relay Status 000F Bit0 Main Trip Relay MTR Bit1 Alarm Relay ALM Bit2 Auxiliary Relay AUX Bit3 Megger Activated Bit4 N A Bit5 N A Bit6 N A Bit7 N A 7 Note Bits set when open Digital Inputs 00FF Bit0 Insu...

Page 29: ... bits Hardware Ver y Bot 5 bits Software Ver 34 to 38 N A 00FF 39 O L Reset 00FF 0 1 30 2 40 3 50 4 60 5 70 6 80 7 90 8 A 30 9 A 40 10 A 50 11 A 60 12 A 70 13 A 80 14 A 90 40 E L Alarm Setting 00FF 0 1 20 2 50 3 80 4 EL T 5 Off 41 FLC Setting See OC section 00FF 1 32 5 125 10 000A 33 64 10 25 20 00A 65 96 20 5 40 0A Modbus Address Description Bitmask 97 128 41 80A 129 160 82 160A 161 192 164 320A ...

Page 30: ...FF 48 O Load Alarm 00FF 0 1 50 2 60 3 70 4 75 5 80 6 85 7 90 8 95 9 OFF 49 Low I Alarm 00FF 0 1 32 2 40 3 48 4 56 5 64 6 72 Modbus Address Description Bitmask 7 80 8 88 9 96 10 OFF 50 EL trip Level xCTRatio 00FF 0 1 0 001 2 0 002 3 0 003 4 0 004 5 0 005 6 OFF EL Trip Time 0 ms 1 55 ms 2 75 ms 3 95 ms 4 115 ms 51 5 155 ms 6 195 ms 00FF 7 235 ms 8 275 ms 9 315 ms 10 355 ms 11 395 ms 12 435 ms 13 475...

Page 31: ...est Alarm Meg ohm 00FF 0 1 1 0 2 1 5 3 2 0 4 3 0 5 5 0 6 7 5 7 10 8 15 9 20 10 30 11 50 12 75 13 100 14 OFF 57 UV Level 00FF 0 1 40 2 50 3 60 4 70 5 75 6 80 7 85 8 90 9 95 10 OFF Modbus Address Description Bitmask DELIBERATELY LEFT BLANK 58 RTD G1 Trip deg C 00FF 0 1 60 2 70 3 80 4 100 5 120 6 140 7 160 8 180 9 200 10 OFF 59 RTD G1 Alarm deg C 00FF 0 1 50 2 60 3 70 4 80 5 100 6 120 7 140 8 160 9 1...

Page 32: ...F 0 1 1200n 2 1200e 3 1200o 4 2400n 5 2400e 6 2400o 7 4800n 8 4800e 9 4800o 10 9600n 11 9600e 12 9600o 64 Modbus Address 0 1 31 00FF Notes 1 MPA is a Modbus Slave RTU device 2 Supported Modbus Commands 03 Read Set points Actual Values 04 Read Set points 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 Func...

Page 33: ...PA3 as any attempt to 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 serviceable 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 pro...

Page 34: ...240 240 X X X X 120367 MPA3V05 4 I 110 110 X X X 120224 MPA3V05 4 M 110 110 X X X 120404 MPA3V05 4 M 240 240 X X X 120229 MPA3V05 4 M E240 240 X X 120370 MPA3V05 4 IM 110 110 X X 120403 MPA3V05 4 IM 240 240 X X 120230 MPA3V05 4 IME 110 110 X 121529 MPA3V05 4 IM E240 240 X 120372 MPA3V05 4 IM e 110 110 X X 143093 MPA3V05 4 IM e 240 240 X X 143094 Each Relay is supplied complete with the required Ph...

Page 35: ...ption 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 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 ...

Page 36: ...MPA3 V5 4 MOTOR PROTECTION RELAY MANUAL Issue R0 CRN 8168 Date 11 2010 MPAB009 Rev0 MPA3 V5 4 Motor Protection Relay Manual Page 35 ...

Page 37: ...MPA3 V5 4 MOTOR PROTECTION RELAY MANUAL Issue R0 CRN 8168 Date 11 2010 MPAB009 Rev0 MPA3 V5 4 Motor Protection Relay Manual Page 36 ...

Page 38: ...MPA3 V5 4 MOTOR PROTECTION RELAY MANUAL Issue R0 CRN 8168 Date 11 2010 MPAB009 Rev0 MPA3 V5 4 Motor Protection Relay Manual Page 37 ...

Page 39: ...MPA3 V5 4 MOTOR PROTECTION RELAY MANUAL Issue R0 CRN 8168 Date 11 2010 MPAB009 Rev0 MPA3 V5 4 Motor Protection Relay Manual Page 38 ...

Page 40: ...MPA3 V5 4 MOTOR PROTECTION RELAY MANUAL Issue R0 CRN 8168 Date 11 2010 MPAB009 Rev0 MPA3 V5 4 Motor Protection Relay Manual Page 39 ...

Page 41: ...MPA3 V5 4 MOTOR PROTECTION RELAY MANUAL Issue R0 CRN 8168 Date 11 2010 MPAB009 Rev0 MPA3 V5 4 Motor Protection Relay Manual Page 40 ...

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