P54x/EN OP/B94 Operation
(OP) 5-266
MiCOM P543, P544, P545, P546
OP
Name Description
CB2 LARIP Int Sig: CB2 ARIP as leader
CB2 Op1P Int Sig: CB2 open single phase
CB2 Op2/3P Int Sig: CB2 open on 2 or 3 phases
CB2 OpAny Int Sig: CB2 open on 1, 2 or 3 phases
CB2 SPOK Int Sig: CB2 OK for SP AR (leader or
follower)
CB2 SysCh Off Int Sig + DDB: CB2 CS1 & CB2
CS2checks disabled
CB2 TAR 2/3Ph Int Sig: 2Ph or 3Ph trip & AR initiation CB2
CB2 TARA Int Sig: A Ph trip & AR initiation CB2
CB2 TARB Int Sig: B Ph trip & AR initiation CB2
CB2 TARC Int Sig: C Ph trip & AR initiation CB2
CB2 TMEM 1Ph Int Sig: CB1 1Ph trip +AR AR initiation
memory CB2
CB2 TMEM 2/3Ph Int Sig: CB1 2Ph trip +AR AR initiation
memory CB2
CB2 TMEM 3Ph Int Sig: CB1 3Ph trip +AR AR initiation
memory CB2
CB2CRLO Int Sig: CB2 in service – reset CB2 lockout
CB2F3PAR Int Sig from “Three Phase AR Cycle
Selection”
CB2F3PAROK Int Sig: CB2 OK to 3Ph AR as follower
CB2FSPAR Int Sig: CB2 SPAR in progress as follower
CB2FSPAROK Int Sig: CB2 OK to SP AR as follower
CB2L3PAR Int Sig from “Three Phase AR Cycle
Selection”
CB2L3PAROK Int Sig: CB2 OK to 3Ph AR as leader
CB2LFRC Int Sig: CB2 failed to reclose as leader
CB2LFRC Int Sig from “Leader/Follower Logic – 1”
CB2LSPAR Int Sig from “Single Phase AR Cycle
Selection”
CB2LSPAROK Int Sig: CB2 OK to SP AR as leader
CB2SPDTCOMP Int Sig: CB2 SP dead time complete
CB2SPFTCOMP Int Sig: CB2 SP follower time complete
CBARCancel Int Sig: Stop and reset CB1 and CB2 AR In
progress
CS VBus1< Int Sig + DDB: Bus1 Volts < CS UV setting
CS VBus1> Int Sig + DDB: Bus1 Volts > CS OV setting
CS VBus2< Int Sig + DDB: Bus2 Volts < CS UV setting
CS VBus2> Int Sig + DDB: Bus2 Volts > CS OV setting
CS VLine< Int Sig + DDB: Line Volts < CS UV setting
CS VLine> Int Sig + DDB: Line Volts > CS OV setting
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