CB Manager (TripControl)............................................................................................................................251
Breaker Wear...............................................................................................................................................258
Protective Elements....................................................................................................................262
MStart - Motor Starting and Control [48,66]..................................................................................................262
I>> - IOC Function.......................................................................................................................................288
I - Overcurrent [50, 51].................................................................................................................................288
I2> - Negative-Sequence Overcurrent [51Q]................................................................................................310
%I2/I1> - Unbalanced Load [46]...................................................................................................................314
Special Notes on Earth Fault Current Transformers....................................................................................321
IG> - Earth Fault [50N/G, 51N/G].................................................................................................................322
I< - Undercurrent [37]...................................................................................................................................342
JAM [51LR]..................................................................................................................................................348
LRC - Locked Rotor During Start.................................................................................................................354
MLS - Mechanical Load Shedding...............................................................................................................355
RTD - Temperature Protection [23]..............................................................................................................359
URTD - Temperature Protection Interface....................................................................................................381
Theta - Thermal Model [49M, 49R]..............................................................................................................385
UTC - Ultimate Trip Current.........................................................................................................................392
ExP - External Protection.............................................................................................................................397
Supervision..................................................................................................................................402
CBF- Circuit Breaker Failure [50BF].............................................................................................................402
TCS - Trip Circuit Supervision [74TC]..........................................................................................................409
CTS - Current Transformer Supervision [60L]..............................................................................................414
Self Supervision...........................................................................................................................................420
Commissioning...........................................................................................................................422
Commissioning/Protection Test....................................................................................................................423
Putting out of Operation – Plug out the Relay..............................................................................................423
Service and Commissioning Support...........................................................................................................424
Forcing the Relay Output Contacts..............................................................................................................424
Technical Data.............................................................................................................................427
Climatic Environmental Conditions...............................................................................................................427
Degree of Protection EN 60529...................................................................................................................427
Routine Test.................................................................................................................................................427
Housing........................................................................................................................................................427
Current and Earth Current Measurement.....................................................................................................428
Voltage Supply.............................................................................................................................................428
Power Consumption.....................................................................................................................................429
Display.........................................................................................................................................................429
Front Interface RS232..................................................................................................................................429
Real Time Clock...........................................................................................................................................429
Digital Inputs................................................................................................................................................429
Binary Output Relays...................................................................................................................................430
Time Synchronization IRIG..........................................................................................................................430
Analogue Output..........................................................................................................................................430
RS485*........................................................................................................................................................430
Fibre Optic*..................................................................................................................................................430
URTD-Interface*..........................................................................................................................................430
Boot phase...................................................................................................................................................431
Standards.....................................................................................................................................432
Approvals.....................................................................................................................................................432
Design Standards........................................................................................................................................432
High Voltage Tests (IEC 60255-6) ...............................................................................................................432
EMC Immunity Tests....................................................................................................................................432
EMC Emission Tests....................................................................................................................................433
Environmental Tests.....................................................................................................................................433
Mechanical Tests.........................................................................................................................................434
Tolerances....................................................................................................................................435
Real Time Clock Tolerances........................................................................................................................435
Measured Value Acquisition Tolerances.......................................................................................................435
Protection Stages Tolerances......................................................................................................................435
Assignment List..........................................................................................................................439
Page 6
EN MRM4 01/11
Summary of Contents for MRM4
Page 1: ...MRM4 HighPROTEC Motor Protection Device Manual DOK HB MRM4E...
Page 3: ...Order Code EN MRM4 01 11 Page 3...
Page 18: ...Important Definitions Page 18 EN MRM4 01 11 41 SG Prot ON 42 SG ON Cmd SG Prot ON SG ON Cmd...
Page 115: ...Navigation Operation Navigation Operation EN MRM4 01 11 Page 115 1 2 3 5 7 6 8 10 9...
Page 162: ...Recorder Name Description I 2 TripCmd Signal Trip Command Page 162 EN MRM4 01 11...