R.A.7
Date Code 20111215 Reference Manual SEL-421 Relay
Relay Word Bits
Alphabetic
BFILC1 Circuit Breaker 1 load current circuit breaker failure
initiation
60
BFILC2 Circuit Breaker 2 load current circuit breaker failure
initiation
66
BFIN1 Circuit Breaker 1 no current circuit breaker failure initiation 60
BFIN2 Circuit Breaker 2 no current circuit breaker failure initiation 66
BFTR1 Circuit breaker failure trip-Circuit Breaker 1 (SEL
OGIC
control equation)
62
BFTR2 Circuit breaker failure trip-Circuit Breaker 2 (SEL
OGIC
control equation)
68
BFTRIP1 Circuit Breaker 1 failure trip output asserted 62
BFTRIP2 Circuit Breaker 2 failure trip output asserted 68
BFULTR1 Circuit breaker failure unlatch trip-Circuit Breaker 1
(SEL
OGIC control equation)
62
BFULTR2 Circuit breaker failure unlatch trip-Circuit Breaker 2
(SEL
OGIC control equation)
68
BK1BFT Indicates Circuit Breaker 1 breaker failure trip 228
BK1CFT Circuit Breaker 1 close failure delay timed out 38
BK1CL Circuit Breaker 1 close command 36
BK1CLSS Circuit Breaker 1 in close supervision state 38
BK1CLST Circuit Breaker 1 close supervision timer timed out 38
BK1EXT Circuit Breaker 1 closed externally 42
BK1LO Circuit Breaker 1 in lockout state 35
BK1RCIP Circuit Breaker 1 reclaim in progress (lockout state) 40
BK1RS Circuit Breaker 1 in ready state 35
BK2BFT Indicates Circuit Breaker 2 breaker failure trip 228
BK2CFT Circuit Breaker 2 close failure delay timed out 38
BK2CL Circuit Breaker 2 close command 36
BK2CLSS Circuit Breaker 2 in close supervision state 38
BK2CLST Circuit Breaker 2 close supervision timer timed out 38
BK2EXT Circuit Breaker 2 closed externally 42
BK2LO Circuit Breaker 2 in lockout state 36
BK2RCIP Circuit Breaker 2 reclaim in progress (lockout state) 40
BK2RS Circuit Breaker 2 in ready state 35
BLKFOA1 Circuit Breaker 1 block A-phase flashover detection 61
BLKFOA2 Circuit Breaker 2 block A-phase flashover detection 67
BLKFOB1 Circuit Breaker 1 block B-phase flashover detection 61
BLKFOB2 Circuit Breaker 2 block B-phase flashover detection 67
BLKFOC1 Circuit Breaker 1 block C-phase flashover detection 61
BLKFOC2 Circuit Breaker 2 block C-phase flashover detection 67
BM1CLSA Circuit breaker monitor A-phase close-Circuit Breaker 1
(SEL
OGIC control equation)
79
BM1CLSB Circuit breaker monitor B-phase close-Circuit Breaker 1
(SEL
OGIC control equation)
79
Table A.1 Alphabetic List of Relay Word Bits (Sheet 7 of 21)
Name Description
Row
To Next Page
Loading...
