GE P742

P74
x/EN PL/Na7
Programmable Logic
(PL)
7-
34
MiCOM P74
1, P742, P743
PL
Relay
DDB
No.
English Text Type Source Description
P743
123
CB Aux. 3ph(52a)
PSL Output
Signal
PSL
52-A (CB closed)
CB Auxiliary Input (3 phase)
P743
124
CB Aux. 3ph(52b)
PSL Output
Signal
PSL
52-B (CB open)
CB Auxiliary Input (3 phase)
P743
125
CB Aux. A (52a)
PSL Output
Signal
PSL
52-A (CB closed)
CB Auxiliary Input (phase A)
P743
126
CB Aux. A (52b)
PSL Output
Signal
PSL
52-B (CB open)
CB Auxiliary Input (Phase A)
P743
127
CB Aux. B (52a)
PSL Output
Signal
PSL
52-A (CB closed)
CB Auxiliary Input (phase B)
P743
128
CB Aux. B (52b)
PSL Output
Signal
PSL
52-B (CB open)
CB Auxiliary Input (Phase B)
P743
129
CB Aux. C (52a)
PSL Output
Signal
PSL
52-A (CB closed)
CB Auxiliary Input (phase C)
P743
130
CB Aux. C (52b)
PSL Output
Signal
PSL
52-B (CB open)
CB Auxiliary Input (Phase C)
P743
131
Reset Trip latch
PSL Output
Signal
PSL
(Commissioning)
Reset Latched Relays
P743
132
Sett Grp Bit LSB
PSL Output
Signal
PSL
Setting Group Selector X1 (low bit)
SG1 is active DDB 104=0 & DDB 105=0
SG2 is active DDB 104=1 & DDB 105=0
P743
133
Sett Grp Bit MSB
PSL Output
Signal
PSL
Setting Group Selector 1X (high bit)
SG3 is active DDB 104=0 & DDB 105=1
SG4 is active DDB 104=1 & DDB 105=1
P743
134
Reset All values
PSL Output
Signal
PSL
(Commissioning)
Not used
P743
135
Reset Indication
PSL Output
Signal
PSL
(Commissioning)
Reset all indications (Led and relays latched in
PSL)
that includes the Led Alarm
P743
136
User Alarm 1
PSL Output
Signal
PSL
Triggers User Alarm 1 message to be alarmed
on LCD display
(self-resetting)
P743
142
User Alarm 7
PSL Output
Signal
PSL
Triggers User Alarm 7 message to be alarmed
on LCD display
(self-resetting)
P743
143
Aux Volt Superv
PSL Output
Signal
PSL (Scheme
Integrity)
Auxiliary voltage supervision (To freeze the
CB/Isolators position)
P743
144
PU->CU Signal
01
PSL Output
Signal
PSL
Virtual Signal 01 from the PU to the CU via the
fibre optic
P743
159
PU->CU Signal
16
PSL Output
Signal
PSL
Virtual Signal 16 from the PU to the CU via the
fibre optic
P743
160
Man.Close Q1
Cmd
PSL Output
Signal
PSL
Manual/operator Isolator 1 (switch) closing
command
P743
165
Man.Close Q6
Cmd
PSL Output
Signal
PSL
Manual/operator Isolator 6 (switch) closing
command
P743
166
Man. Close CB
PSL Output
Signal
PSL
Circuit Breaker closing order (CB Control)
P743
167
Man. Trip CB
PSL Output
Signal
PSL
Circuit Breaker tripping order (CB Control)
P743
168
Ext. Retrip Ph A
PSL Input Signal
50BF Protection
Retrip of phase A due to an external trip
initiation of this phase (at tBF3)
P743
169
Ext. Retrip Ph B
PSL Input Signal
50BF Protection
Retrip of phase B due to an external trip
initiation of this phase (at tBF3)
P743
170
Ext. Retrip Ph C
PSL Input Signal
50BF Protection
Retrip of phase C due to an external trip
initiation of this phase (at tBF3)
P743
171
Int. Retrip 3 ph
PSL Input Signal
50BF Protection
Retrip triphase due to a 87BB trip initiation (at
tBF1)
P743
172
CBF Int Backtrip
PSL Input Signal
50BF Backtrip
Protection
Backtrip triphase due to a trip initiation from CU
(at tBF2)
P743
173
CBF Ext Backtrip
PSL Input Signal
50BF Backtrip
Protection
Backtrip triphase due to a trip initiation (at
tBF4)
P743
174
Breaker failure
PSL Input Signal
50BF Protection
Circuit Breaker Fail Alarm
Logical OR of DDB 172 to 173
P743
176
I>1 Start A
PSL Input Signal
Phase Overcurrent
1st Stage Overcurrent Start A
P743
177
I>1 Start B
PSL Input Signal
Phase Overcurrent
1st Stage Overcurrent Start B
P743
178
I>1 Start C
PSL Input Signal
Phase Overcurrent
1st Stage Overcurrent Start C
P743
179
IN>1 Start
PSL Input Signal
Earth Fault
1st Stage Earth Fault Start
P743
180
I>1 Trip
PSL Input Signal
Phase Overcurrent
1st Stage Overcurrent Trip 3 phase
P743
181
IN>1 Trip
PSL Input Signal
Earth Fault
1st Stage Earth Fault Trip
P743
182
I>2 Start A
PSL Input Signal
Phase Overcurrent
2nd Stage Overcurrent Start A
P743
183
I>2 Start B
PSL Input Signal
Phase Overcurrent
2nd Stage Overcurrent Start B
P743
184
I>2 Start C
PSL Input Signal
Phase Overcurrent
2nd Stage Overcurrent Start C
P743
185
IN>2 Start
PSL Input Signal
Earth Fault
2nd Stage Earth Fault Start
P743
186
I>2 Trip
PSL Input Signal
Phase Overcurrent
2nd Stage Overcurrent Trip 3 phase