Programmable Logic P54x/EN PL/La4
MiCOM P543, P544, P545 & P546
(PL) 7-33
PL
DDB no. English text Source Description
844 AR 3pole in prog (CB1) Auto-Reclose
Auto-reclose 3 pole in progress (dead time is
running)
845 AR 1pole in prog (CB1) Auto-Reclose
Single pole auto-reclose in progress (dead
time is running)
846 Seq Counter = 0 Auto-Reclose
Auto-reclose sequence counter is at zero - no
previous faults have been cleared within
recent history. The sequence count is at zero
because no reclaim times are timing out, and
the auto-recloser is not locked out. The
recloser is awaiting the first protection trip, and
all programmed cycles are free to follow
847 Seq Counter = 1 Auto-Reclose
The first fault trip has happened in a new
auto-reclose sequence. Dead time 1, or
reclaim time 1 are in the process of timing out
848 Seq Counter = 2 Auto-Reclose
Auto-reclose sequence counter is at 2. This
means that the initial fault trip happened, and
then another trip followed, moving the counter
on to 2
849 Seq Counter = 3 Auto-Reclose
Auto-reclose sequence counter is at 3. This
means that the initial fault trip happened, and
then 2 trips followed, moving the counter on to
3
850 Seq Counter = 4 Auto-Reclose
Auto-reclose sequence counter is at 4. This
means that the initial fault trip happened, and
then 3 trips followed, moving the counter on to
4
851 Reserved
852 Successful Close (CB1) Auto-Reclose
Successful re-closure indication. The circuit
breaker was re-closed by the AR function, and
stayed closed. This indication is raised at the
expiry of the reclaim time
853 3P Dead Time IP Auto-Reclose
3 pole Auto-reclose dead time in progress
P544 and P546 only
854 Auto Close (CB1) Auto-Reclose Auto-reclose command to the circuit breaker
855 CB2 AR 1p InProg Auto-reclose CB2
Single pole auto-reclose in progress (dead
time is running) CB2
P544 and P546 only
856 A/R Status 3P Auto-Reclose
3 Pole auto-recloser in service - the auto-
reclose function has been enabled either in the
relay menu, or by an opto input
P544 and P546 only
857 AR Status 1P Auto-Reclose
Single pole auto-recloser in service - the
auto-reclose function has been enabled either
in the relay menu, or by an opto input
P544 and P546 only
858 Force 3 pole (CB1) Auto-Reclose
Due to the sequence count reached, lockout,
or any outage of the internal auto-recloser -
this signal instructs any other trips to be forced
to three pole trips
859 AR Blocked Auto-Reclose
It indicates that AR has been blocked (ex. from
external input BAR)
860 Lockout Alarm (CB1) CB Control
Composite lockout alarm - circuit breaker
locked out due to auto-recloser, or condition
monitoring reasons
861 GPSAlarm Instant C Diff
Instantaneous GPS Alarm initiated
immediately on loss of the GPS 1 pulse per
second input signal
862 to 863 Not used
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