Appendix
400
7SS52 V4 Manual
C53000-G1176-C182-3
Table A-30 Marshalling LED indicators of the bay unit 7SS523
Address 1st display line 2nd display line FNo. Comment
6301 LED 1 >Isolator1on nm 7601 >Isolator 1 - position closed
6302 LED 2 >Isolator1off nm 7602 >Isolator 1 - position open
6303 LED 3 >Isolator2on nm 7603 >Isolator 2 - position closed
6304 LED 4 >Isolator2off nm 7604 >Isolator 2 - position open
6305 LED 5 >Isolator3on nm 7605 >Isolator 3 - position closed
6306 LED 6 >Isolator3off nm 7606 >Isolator 3 - position open
6307 LED 7 >Isolator4on nm 7607 >Isolator 4 - position closed
6308 LED 8 >Isolator4off nm 7608 >Isolator 4 - position open
6309 LED 9 >Isolator5on nm 7609 >Isolator 5 - position closed
6310 LED 10 >Isolator5off nm 7610 >Isolator 5 - position open
6311 LED 11 I supervision nm 0161 Measured value supervision of currents
(group alarm)
6312 LED 12 not marshalled 1 No function assigned to this output
6313 LED 13 Fail Com.CU nm 7650 Failure in communication w.Central Unit
6314 LED 14 BB Trip L123
CBF Trip L123
CBF Trp.rp.3p
CBF Trp.rp.L1
CBF Trp.rp.L2
CBF Trp.rp.L3
CB Test L1
CB Test L2
CB Test L3
relay Trip
m
m
m
m
m
m
m
m
m
m
7631
7643
7632
7633
7634
7635
7636
7637
7638
0511
Busbar protection: Trip in phase L123
CBF protection: Trip L123
CBF protection: Trip repeat phase L123
CBF protection: Trip repeat phase L1
CBF protection: Trip repeat phase L2
CBF protection: Trip repeat phase L3
Circuit breaker test: Trip phase L1
Circuit breaker test: Trip phase L2
Circuit breaker test: Trip phase L3
General trip of device
6315 LED 15 BB intertrip
End-Flt. Trip
m
m
7639
7644
Busbar protection: Intertrip
End fault protection: Trip phase L123
6316 LED 16 Bay o.of serv nm 7640 Bay is out of service
nm: not memorized
m: memorized
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