Sel SEL-421 - Page 605

R.A.35
Date Code 20111215 Reference Manual SEL-421 Relay
Relay Word Bits
Row List
58 RTB1 Circuit Breaker 1 B-phase retrip
58 RTC1 Circuit Breaker 1 C-phase retrip
58 RTS3P1 Circuit Breaker 1 current-supervised three-pole retrip
59 RTSA1 Circuit Breaker 1 current-supervised A-phase retrip
59 RTSB1 Circuit Breaker 1 current-supervised B-phase retrip
59 RTSC1 Circuit Breaker 1 current-supervised C-phase retrip
59 RT1 Circuit Breaker 1 retrip
59 FBFA1 Circuit Breaker 1 A-phase circuit breaker failure
59 FBFB1 Circuit Breaker 1 B-phase circuit breaker failure
59 FBFC1 Circuit Breaker 1 C-phase circuit breaker failure
59 FBF1 Circuit Breaker 1 circuit breaker failure
60 50R1 Circuit Breaker 1 residual current threshold exceeded
60 BFIN1 Circuit Breaker 1 no current circuit breaker failure
initiation
60 NBF1 Circuit Breaker 1 no current circuit breaker failure
60 50LCA1 Circuit Breaker 1 A-phase load current threshold
exceeded
60 50LCB1 Circuit Breaker 1 B-phase load current threshold exceeded
60 50LCC1 Circuit Breaker 1 C-phase load current threshold exceeded
60 BFILC1 Circuit Breaker 1 load current circuit breaker failure
initiation
60 LCBF1 Circuit Breaker 1 load current circuit breaker failure
61 50FOA1 Circuit Breaker 1 A-phase flashover current threshold
exceeded
61 50FOB1 Circuit Breaker 1 B-phase flashover current threshold
exceeded
61 50FOC1 Circuit Breaker 1 C-phase flashover current threshold
exceeded
61 BLKFOA1 Circuit Breaker 1 block A-phase flashover detection
61 BLKFOB1 Circuit Breaker 1 block B-phase flashover detection
61 BLKFOC1 Circuit Breaker 1 block C-phase flashover detection
61 FOA1 Circuit Breaker 1 A-phase flashover detected
61 FOB1 Circuit Breaker 1 B-phase flashover detected
62 FOC1 Circuit Breaker 1 C-phase flashover detected
62 FOBF1 Circuit Breaker 1 flashover detected
62 BFTRIP1 Circuit Breaker 1 failure trip output asserted
62 BFTR1 Circuit breaker failure trip—Circuit Breaker 1
(SEL
OGIC control equation)
62 BFULTR1 Circuit breaker failure unlatch trip—Circuit Breaker 1
(SEL
OGIC control equation)
62 * Reserved
62 * Reserved
62 * Reserved
Table A.13 Relay Word Bits: Circuit Breaker 1 Failure (Sheet 2 of 2)
Row Name Description