Operation P54x/EN OP/La4
MiCOM P543, P544, P545 & P546
(OP) 5-173
OP
DDB CB2 ExtTrip C (541)
DDB CB2 Trip OutputC (1603)
DDB CB2 ExtTrip B (540)
DDB CB2 Trip OutputB (1602)
DDB CB2 ExtTrip A (539)
DDB CB2 Trip OutputA (1601)
DDB CB2 ExtTrip3ph (538)
DDB CB2 Trip 3ph (1600)
1
INTSIG Phase A Current
INTSIG Phase B Current
INTSIG Phase C Current
SET CUMULATIVE IA
BROKEN In
SET CUMULATIVE IB
BROKEN In
SET CUMULATIVE Ic
BROKEN In
S
R
S
R
S
R
1
1
1
DDB Rst CB2 Data (1597)
COMMAND: Reset CB2 Data
1 cycle
t
0
1 cycle
t
0
1 cycle
t
0
1
1
1
1
1 cycle
t
0
1
Note: Broken current totals shall not
be incremented if the relay is in test
mode.
NOTE: Broken current totals shall not be incremented if the relay is in test mode
P1113ENg
Figure 110 CB2 condition monitoring – broken current