Programmable Logic P54x/EN PL/La4
MiCOM P543, P544, P545 & P546
(PL) 7-19
PL
DDB no. English text Source Description
329 AR CB2 Unhealthy CB2 Auto-reclose
Auto-reclose circuit breaker unhealthy signal,
output from auto-reclose logic. Indicates
during auto-reclose in progress, if the circuit
breaker has to become healthy within the
circuit breaker healthy time window
P544 and P546 only
330 AR CB2 No C/S CB2 Auto-reclose
Indicates during auto-reclose in progress, if
system checks have not been satisfied within
the check synchronizing time window
P544 and P546 only
331 Invalid AR Mode Auto-reclose
AR Mode selected via optos is not supported
P544 and P546 only
332 to 333 Not used
334 Main Prot. Fail Co-processor Interface
Indicates a failure in differential or distance or
DEF
335 Config Error C Diff
In three ended schemes on power up, the
relays check to see if one of them should be
configured out. Under some circumstances it
is possible for them to fail to resolve this in
which case they produce the
DDB_CONFIGURATION_ERROR alarm
336 Re-Config Error C Diff
Indicates that RESTORE or RECONFIGURE
or CONFIGURE operations have failed
335, 336 Not used
337 Comms Changed C Diff
This is an alarm which indicates that C3794
comms have been changed to standard or
vice versa and relay must be rebooted
338 to 343 Not used
344 SR User Alarm 1 PSL
Triggers user alarm 1 message to be alarmed
on LCD display (self-resetting)
347 SR User Alarm 4 PSL
Triggers user alarm 4 message to be alarmed
on LCD display (self-resetting)
348 MR User Alarm 5 PSL
Triggers user alarm 5 message to be alarmed
on LCD display (manual-resetting)
351 MR User Alarm 8 PSL
Triggers user alarm 8 message to be alarmed
on LCD display (manual-resetting)
352 Battery Fail Self Monitoring
Front panel miniature battery failure - either
battery removed from slot, or low voltage
353 Field Volts Fail Self Monitoring 48V field voltage failure
354 Rear Comm 2 Fail Self Monitoring
Comm2 hardware failure - second rear
communications board
355 GOOSE IED Absent
The IED is not subscribed to a publishing IED
in the current scheme
356 NIC Not Fitted Ethernet board not fitted
357 NIC No Response Ethernet board not responding
358 NIC Fatal Error Ethernet board unrecoverable error
359 NIC Soft. Reload Ethernet problem
360 Bad TCP/IP Cfg. Ethernet problem
361 Bad OSI Config. Ethernet problem
362 NIC Link Fail Ethernet link lost
363 NIC SW Mis-Match
Ethernet board software not compatible with
main CPU
364 IP Addr Conflict
The IP address of the IED is already used by
another IED
365 to 368 Not used
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