Programmable Logic
P74x/EN PL/Na7
MiCOM P741, P742, P743
(PL) 7-
27
PL
Relay
DDB
No.
English Text
Type
Source
Description
P742 346
CB Trip 3 ph
PSL Input Signal
50BF Protection
Triphase Circuit Breaker Trip from CU (Init
50BF TBF1 / TBF2), Logical OR of :
87BB, 50BF, Manual Trip Zone X
P742 347
CB Trip phase A
PSL Input Signal
50BF Protection
Phase A Circuit Breaker Trip (Init 50BF TBF3 /
TBF4), Logical OR of :
O/C Protection, External Trip A, External Trip
3ph
P742 348
CB Trip phase B
PSL Input Signal
50BF Protection
Phase B Circuit Breaker Trip (Init 50BF TBF3 /
TBF4), Logical OR of :
O/C Protection, External Trip B, External Trip
3ph
P742 349
CB Trip phase C
PSL Input Signal
50BF Protection
Phase C Circuit Breaker Trip (Init 50BF TBF3 /
TBF4), Logical OR of :
O/C Protection, External Trip C, External Trip
3ph
P742 351
General Alarm
PSL Input Signal
Relay Integrity
General Alarm
P742 352
CB Status Alarm
PSL Input Signal
Scheme Integrity
Indication of discrepancy between the 52a and
52b auxiliary contacts of the Circuit Breaker
P742 353
Man CB Cls Fail
PSL Input Signal
Scheme Integrity
Circuit Breaker Failed to Close
(after a manual/operator close command)
P742 354
Man CB Trip Fail
PSL Input Signal
Scheme Integrity
Circuit Breaker Failed to Trip
(after a manual/operator trip command)
P742 355
Ctrl Cls in Prog
PSL Input Signal
Commissioning
Control Close in Progress
The relay has been given an instruction to close
the circuit breaker, but the Manual Close timer
Delay has not yet finished timing out
P742 356
Control Close
PSL Input Signal
Commissioning
Control Close command to the circuit breaker.
Operates for a manual close command (menu,
SCADA)
P742 357
Control Trip
PSL Input Signal
Commissioning
Control Trip
Operator trip instruction to the circuit breaker,
via menu, or SCADA. (Does not operate for
protection element trips)
P742 358
Any Trip
PSL Input Signal
All Protections
Any Trip (Logical OR of ddbs:
0, 1, 2, 168, 169, 170, 171, 256, 261)
P742 362
RP1 Read Only
PSL Output
signal
PSL
All setting changes and most command/control
actions blocked for Rear Port 1.
P742 363
RP2 Read Only
PSL Output
signal
PSL
All setting changes and most command/control
actions blocked for Rear Port 2 (not used).
P742 376
87BB Fault Ph A
PSL Output
signal
PSL
87BB Phase Fault detected in phase A
P742 377
87BB Fault Ph B
PSL Output
signal
PSL
87BB Phase Fault detected in phase B
P742 378
87BB Fault Ph C
PSL Output
signal
PSL
87BB Phase Fault detected in phase C
P742 379
87BB Earth Fault
PSL Output
signal
PSL
87BB earth Fault detected
P742 428
LED Cond IN 1
LED_CON
PSL
Assignment of signal to drive LED 1 Red.
P742 435
LED Cond IN 8
LED_CON
PSL
Assignment of signal to drive LED 8 Red.
P742 436
Timer in 436
TIMERIN
PSL Timer Input
Input to Auxiliary Timer 1
P742 451
Timer in 451
TIMERIN
PSL Timer Input
Input to Auxiliary Timer 16
P742 452
Timer out 452
TIMEROUT
Timer Output
Output from Auxiliary Timer 1
P742 467
Timer out 467
TIMEROUT
Timer Output
Output from Auxiliary Timer 16
P742 468
Fault_REC_TRIG FRT
PSL
Trigger for the Fault Recorder
P742 469
Battery Fail
PSL Input Signal
Relay Integrity
Front panel Battery Failure
P742 470
Field Voltage Fail PSL Input Signal
Relay Integrity
48V Field Voltage Failure
P742 486
Backup Setting
PSL Input Signal
InterMiCOM
Backup setting Alarm
This is an alarm that is ON if any setting fail
during the setting changing process. If this
happens, the relay will use the last known good
setting.
P742 600
CBF I< Start A
PSL Output
Signal
50BF Protection
Phase A undercurrent CBF Dead Pole Start
P742 601
CBF I< Start B
PSL Output
Signal
50BF Protection
Phase B undercurrent CBF Dead Pole Start
P742 602
CBF I< Start C
PSL Output
Signal
50BF Protection
Phase C undercurrent CBF Dead Pole Start
P742 603
CBF I> Start A
PSL Output
Signal
50BF Protection
Phase A overcurrent CBF Dead Pole Start
Summary of Contents for P741
Page 2: ......
Page 4: ......
Page 6: ...P74x EN IT Na7 Introduction MiCOM P741 P742 P743 ...
Page 8: ...P74x EN IT Na7 Introduction IT 1 2 MiCOM P741 P742 P743 IT ...
Page 18: ...P74x EN TD Na7 Technical Data MiCOM P741 P742 P743 ...
Page 30: ...P74x EN TD Na7 Technical Data TD 2 14 MiCOM P741 P742 P743 TD ...
Page 32: ...P74x EN GS Na7 Getting Started MiCOM P741 P742 P743 ...
Page 70: ...P74x EN ST Na7 Getting Started MiCOM P741 P742 P743 ...
Page 72: ...P74x EN ST Na7 Settings ST 4 2 MiCOM P741 P742 P743 ST ...
Page 116: ...P74x EN OP Na7 Operation MiCOM P741 P742 P743 ...
Page 120: ...P74x EN OP Na7 Operation OP 5 4 MiCOM P741 P742 P743 OP ...
Page 136: ...P74x EN OP Na7 Operation OP 5 20 MiCOM P741 P742 P743 OP FIGURE 8 CB FAIL LOGIC ...
Page 166: ...P74x EN AP Na7 Application Notes MiCOM P741 P742 P743 ...
Page 234: ...P74x EN PL Na7 Programmable Logic MiCOM P741 P742 P743 ...
Page 290: ...P74x EN PL Na7 Programmable Logic PL 7 56 MiCOM P741 P742 P743 PL ...
Page 291: ...Programmable Logic P74x EN PL Na7 MiCOM P741 P742 P743 PL 7 57 PL ...
Page 292: ...P74x EN PL Na7 Programmable Logic PL 7 58 MiCOM P741 P742 P743 PL ...
Page 294: ...P74x EN PL Na7 Programmable Logic PL 7 60 MiCOM P741 P742 P743 PL ...
Page 295: ...Programmable Logic P74x EN PL Na7 MiCOM P741 P742 P743 PL 7 61 PL ...
Page 296: ...P74x EN PL Na7 Programmable Logic PL 7 62 MiCOM P741 P742 P743 PL ...
Page 298: ...P74x EN PL Na7 Programmable Logic PL 7 64 MiCOM P741 P742 P743 PL ...
Page 299: ...Programmable Logic P74x EN PL Na7 MiCOM P741 P742 P743 PL 7 65 PL ...
Page 300: ...P74x EN PL Na7 Programmable Logic PL 7 66 MiCOM P741 P742 P743 PL ...
Page 302: ...P74x EN MR Na7 Measurements and Recording MiCOM P741 P742 P743 ...
Page 324: ...P74x EN FD Na7 Firmware Design MiCOM P741 P742 P743 ...
Page 344: ...P74x EN FD Na7 Firmware Design FD 9 20 MiCOM P741 P742 P743 FD FIGURE 10 P74x SYSTEM OVERVIEW ...
Page 351: ...Firmware Design P74x EN FD Na7 MiCOM P741 P742 P743 FD 9 27 FD ...
Page 353: ...P74x EN CM Na7 Commissioning MiCOM P741 P742 P743 ...
Page 429: ...P74x EN MT Na7 Maintenance MiCOM P741 P742 P743 ...
Page 431: ...P74x EN MT Ma7 Maintenance MT 11 2 MiCOM P741 P742 P743 MT ...
Page 451: ...P74x EN TS Na7 Troubleshooting MiCOM P741 P742 P743 ...
Page 453: ...P74x EN TS Na7 Troubleshooting TS 12 2 MiCOM P741 P742 P743 TS ...
Page 475: ...P74x EN SC Na7 SCADA Communications MiCOM P741 P742 P743 ...
Page 499: ...P74x EN SC Na7 SCADA Communications SC 13 24 MiCOM P741 P742 P743 SC ...
Page 501: ...P74x EN SG Na7 Symbols and Glossary MiCOM P741 P742 P743 ...
Page 511: ...P74x EN SG Na7 Symbols and Glossary SG 14 10 MiCOM P741 P742 P743 SG Logic Gates ...
Page 513: ...P74x EN IN Na7 Installation MiCOM P741 P742 P743 ...
Page 515: ...P74x EN IN Na7 Installation IN 15 2 MiCOM P741 P742 P743 IN ...
Page 528: ...Installation P74x EN IN Na7 MiCOM P741 P742 P743 IN 15 15 IN FIGURE 6 P742 40TE REAR VIEW ...
Page 533: ...P74x EN VH Na7 Firmware and Service Manual Version History MiCOM P741 P742 P743 ...
Page 542: ...APPENDIX A WIRING DIAGRAMS ...
Page 543: ...Appendix A Wiring Diagrams P74x P74x EN M Na7 ...
Page 559: ......