Programmable Logic P54x/EN PL/La4
MiCOM P543, P544, P545 & P546
(PL) 7-21
PL
DDB no. English text Source Description
416 V>1 Timer Block PSL
Block phase overvoltage stage 1 time delayed
trip
417 V>2 Timer Block PSL
Block phase overvoltage stage 2 time delayed
trip
418 VN>1 Timer Block PSL
Block residual overvoltage stage 1 time
delayed trip
419 VN>2 Timer Block PSL
Block residual overvoltage stage 2 time
delayed trip
420 CB1 Aux 3ph(52-A) PSL 52-A (CB closed) CB auxiliary input (3 phase)
421 CB1 Aux A(52-A) PSL 52-A (CB A phase closed) CB auxiliary
422 CB1 Aux B(52-A) PSL 52-A (CB B phase closed) CB auxiliary
423 CB1 Aux C(52-A) PSL 52-A (CB C phase closed) CB auxiliary
424 CB1 Aux 3ph(52-B) PSL 52-B (CB open) CB auxiliary input (3 phase)
425 CB1 Aux A(52-B) PSL 52-B (CB A phase open) CB auxiliary input
426 CB1 Aux B(52-B) PSL 52-B (CB B phase open) CB auxiliary input
427 CB1 Aux C(52-B) PSL 52-B (CB C phase open) CB auxiliary input
428 CB2 Aux 3ph(52-A) PSL
52-A (CB2 closed) CB2 auxiliary input (3
phase)
P544 and P546 only
429 CB2 Aux A(52-A) PSL
52-A (CB2 A phase closed) CB2 auxiliary
P544 and P546 only
430 CB2 Aux B(52-A) PSL
52-A (CB2 B phase closed) CB2 auxiliary
P544 and P546 only
431 CB2 Aux C(52-A) PSL
52-A (CB2 C phase closed)CB2 auxiliary
P544 and P546 only
432 CB2 Aux 3ph(52-B) PSL
52-B (CB2 open) CB2 auxiliary input (3 phase)
P544 and P546 only
433 CB2 Aux A(52-B) PSL
52-B (CB2 A phase open) CB2 auxiliary input
P544 and P546 only
434 CB2 Aux B(52-B) PSL
52-B (CB2 B phase open) CB2 auxiliary input
P544 and P546 only
435 CB2 Aux C(52-B) PSL
52-B (CB2 C phase open) CB2 auxiliary input
P544 and P546 only
436 CB Healthy PSL
Circuit breaker healthy (input to auto-recloser -
that the CB1 has enough energy to allow
re-closing)
437 CB2 Healthy PSL
Circuit breaker healthy (input to auto-recloser -
that the CB2 has enough energy to allow
re-closing)
P544 and P546 only
438 MCB/VTS PSL
VT supervision input - signal from external
miniature circuit breaker showing MCB tripped
439 Trip CB PSL
Initiate tripping of circuit breaker from a
manual command
440 Close CB PSL
Initiate closing of circuit breaker from a manual
command
441 Init Trip CB2 PSL
Initiate tripping of circuit breaker 2 from a
manual command
P544 and P546 only