GE P742

P74
x/EN PL/Na7
Programmable Logic
(PL)
7-
24
MiCOM P74
1, P742, P743
PL
Relay
DDB
No.
English Text Type Source Description
P742
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
P742
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
P742
134
Reset All values
PSL Output
Signal
PSL
(Commissioning)
Not used
P742
135
Reset Indication
PSL Output
Signal
PSL
(Commissioning)
Reset all indications (Led and relays latched in
PSL)
that includes the Led Alarm
P742
136
User Alarm 1
PSL Output
Signal
PSL
Triggers User Alarm 1 message to be alarmed
on LCD display
(self-resetting)
P742
142
User Alarm 7
PSL Output
Signal
PSL
Triggers User Alarm 7 message to be alarmed
on LCD display
(self-resetting)
P742
143
Aux Volt Superv
PSL Output
Signal
PSL (Scheme
Integrity)
Auxiliary voltage supervision (To freeze the
CB/Isolators position)
P742
144
PU->CU Signal
01
PSL Output
Signal
PSL
Virtual Signal 01 from the PU to the CU via the
fibre optic
P742
159
PU->CU Signal
16
PSL Output
Signal
PSL
Virtual Signal 16 from the PU to the CU via the
fibre optic
P742
160
Man.Close Q1
Cmd
PSL Output
Signal
PSL
Manual/operator Isolator 1 (switch) closing
command
P742
165
Man.Close Q6
Cmd
PSL Output
Signal
PSL
Manual/operator Isolator 6 (switch) closing
command
P742
166
Man. Close CB
PSL Output
Signal
PSL
Circuit Breaker closing order (CB Control)
P742
167
Man. Trip CB
PSL Output
Signal
PSL
Circuit Breaker tripping order (CB Control)
P742
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)
P742
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)
P742
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)
P742
171
Int. Retrip 3 ph
PSL Input Signal
50BF Protection
Retrip triphase due to a 87BB trip initiation (at
tBF1)
P742
172
CBF Int Backtrip
PSL Input Signal
50BF Backtrip
Protection
Backtrip triphase due to a trip initiation from CU
(at tBF2)
P742
173
CBF Ext Backtrip
PSL Input Signal
50BF Backtrip
Protection
Backtrip triphase due to a trip initiation (at tBF4)
P742
174
Breaker failure
PSL Input Signal
50BF Protection
Circuit Breaker Fail Alarm
Logical OR of DDB 172 to 173
P742
176
I>1 Start A
PSL Input Signal
Phase Overcurrent
1st Stage Overcurrent Start A
P742
177
I>1 Start B
PSL Input Signal
Phase Overcurrent
1st Stage Overcurrent Start B
P742
178
I>1 Start C
PSL Input Signal
Phase Overcurrent
1st Stage Overcurrent Start C
P742
179
IN>1 Start
PSL Input Signal
Earth Fault
1st Stage Earth Fault Start
P742
180
I>1 Trip
PSL Input Signal
Phase Overcurrent
1st Stage Overcurrent Trip 3 phase
P742
181
IN>1 Trip
PSL Input Signal
Earth Fault
1st Stage Earth Fault Trip
P742
182
I>2 Start A
PSL Input Signal
Phase Overcurrent
2nd Stage Overcurrent Start A
P742
183
I>2 Start B
PSL Input Signal
Phase Overcurrent
2nd Stage Overcurrent Start B
P742
184
I>2 Start C
PSL Input Signal
Phase Overcurrent
2nd Stage Overcurrent Start C
P742
185
IN>2 Start
PSL Input Signal
Earth Fault
2nd Stage Earth Fault Start
P742
186
I>2 Trip
PSL Input Signal
Phase Overcurrent
2nd Stage Overcurrent Trip 3 phase
P742
187
IN>2 Trip
PSL Input Signal
Earth Fault
2nd Stage Earth Fault Trip
P742
188
I>1 Timer Block
PSL Input Signal
PSL
Blocking of the 1
st
stage overcurrent time delay
P742
189
IN>1 Timer Block
PSL Input Signal
PSL
Blocking of the 2
nd
stage earth fault time delay
P742
190
I>2 Timer Block
PSL Input Signal
PSL
Blocking of the 1
st
stage overcurrent time delay
P742
191
IN>2 Timer Block
PSL Input Signal
PSL
Blocking of the 2
nd
stage earth fault time delay
P742
192
CU->PU Signal
01
PSL Input Signal
PSL
Virtual Signal 01 from the CU to the PU via the
fibre optic
P742
207
CU->PU Signal
16
PSL Input Signal
PSL
Virtual Signal 16 from the CU to the PU via the
fibre optic