Table A-28 Marshalling Signal Relays of the bay unit 7SS523
Address 1st display line 2nd display line FNo. Comment
6201 SIGNAL RELAY 1 Bay o.of serv 7640 Bay is out of service
Table A-29 Marshalling TRIP RELAYS of the bay unit 7SS523
Address 1st display line 2nd display line FNo. Comment
6401 TRIP RELAY 1 BB Trip L123
CBF Trip L123
CBF Trp.rp.3p
CBF Trp.rp.L1
CB Test L1
O/C Gen.Trip
7631
7643
7632
7633
7636
1791
Busbar protection: Trip in phase L123
CBF protection: Trip L123
CBF protection: Trip repeat phase L123
CBF protection: Trip repeat phase L1
Circuit breaker test: Trip phase L1
O/C general trip command
6402 TRIP RELAY 2 BB Trip L123
CBF Trip L123
CBF Trp.rp.3p
CBF Trp.rp.L2
CB Test L2
O/C Gen.Trip
7631
7643
7632
7634
7637
1791
Busbar protection: Trip in phase L123
CBF protection: Trip L123
CBF protection: Trip repeat phase L123
CBF protection: Trip repeat phase L2
Circuit breaker test: Trip phase L2
O/C general trip command
6403 TRIP RELAY 3 BB Trip L123
CBF Trip L123
CBF Trp.rp.3p
CBF Trp.rp.L3
CB Test L3
O/C Gen.Trip
7631
7643
7632
7635
7638
1791
Busbar protection: Trip in phase L123
CBF protection: Trip L123
CBF protection: Trip repeat phase L123
CBF protection: Trip repeat phase L3
Circuit breaker test: Trip phase L3
O/C general trip command
6404 TRIP RELAY 4 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
O/C Gen.Trip
7631
7643
7632
7633
7634
7635
7636
7637
7638
1791
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
O/C general trip command
6405 TRIP RELAY 5 BB intertrip
End-Flt. Trip
7639
7644
Busbar protection: Intertrip
End fault protection: Trip phase L123
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