GE P741 Technical Manual page 249

Programmable Logic
MiCOM P741, P742, P743
DDB
Relay English Text
No.
P741 216 Ext Trip 50BF z8
P741 223 Ext Trip 50BF z1
P741 224 INP Lck Lev.1 z8
P741 231 INP Lck Lev.1 z1
P741 232 INP Lck Lev.2 z8
P741 239 INP Lck Lev.2 z1
P741 240 Lck Lev.1 Zone 8 PSL Input Signal
P741 247 Lck Lev.1 Zone 1 PSL Input Signal
P741 248 Lck Lev.2 Zone 8 PSL Input Signal
P741 255 Lck Lev.2 Zone 1 PSL Input Signal
P741 256 Trip 87BB
P741 257 Trip 87BB
Locked
P741 258 Trip Manual zone PSL Input Signal
P741 259 Trip 50BF
P741 260 Trip 50BF
Locked
P741 261 Ext Trip 50BF
P741 262 Fault phase A
P741 263 Fault phase B
P741 264 Fault phase C
P741 265 Earth Fault
P741 266 Circt Flt Alm Zx
P741 267 Locking Level 1
P741 268 Locking Level 2
P741 269 Config. valid
P741 270 Topology valid
P741 271 87BB 3Ph
Blocked
P741 272 Fibre Com Worn
P741 275 Fault Check
Zone
P741 276 Circt Flt ph A
P741 277 Circt Flt ph B
P741 278 Circt Flt ph C
P741 279 Circt Flt Earth
P741 280 Circt Flt Lck Zx
P741 281 PU Error Alm Zx
P741 282 PU Error Lck Zx
P741 283 SEF Blocked
P741 284 Circt Flt Alm CZ
P741 285 Circt Flt Lck CZ
P741 286 PU Error Alm CZ
Type Source
PSL Output PSL (50BF
Signal Backtrip protection)
PSL Output PSL (50BF
Signal Backtrip protection)
PSL Output PSL
Signal (Commissioning)
PSL Output PSL
Signal (Commissioning)
PSL Output PSL
Signal (Commissioning)
PSL Output PSL
Signal (Commissioning)
Scheme Integrity
Scheme Integrity
Scheme Integrity
Scheme Integrity
PSL Input Signal 87BB Busbar
Protection
PSL Input Signal Scheme Integrity
Commissioning
PSL Input Signal 50BF Backtrip
protection
PSL Input Signal Scheme Integrity
PSL Input Signal 50BF Backtrip
protection
PSL Input Signal 87BB Busbar
Protection
PSL Input Signal 87BB Busbar
Protection
PSL Input Signal 87BB Busbar
Protection
PSL Input Signal 87BB Busbar
Protection
PSL Input Signal Scheme Integrity
PSL Input Signal Scheme Integrity
PSL Input Signal Scheme Integrity
PSL Input Signal Scheme Integrity
PSL Input Signal Scheme Integrity
PSL Input Signal Scheme Integrity
PSL Input Signal Relay Integrity
PSL Input Signal 87BB Busbar
Protection
PSL Input Signal Scheme Integrity
PSL Input Signal Scheme Integrity
PSL Input Signal Scheme Integrity
PSL Input Signal Scheme Integrity
PSL Input Signal Scheme Integrity
PSL Input Signal Scheme Integrity
PSL Input Signal Scheme Integrity
PSL Input Signal 87BB SEF Busbar
Protection
PSL Input Signal Scheme Integrity
PSL Input Signal Scheme Integrity
PSL Input Signal Scheme Integrity
P74x/EN PL/Na7
Description
External Breaker failure trip order (50BF) of
zone 8 opto input
External Breaker failure trip order (50BF) of
zone 1 opto input
Maintenance Mode 1 (87BB monitoring) of zone
8 opto input
Maintenance Mode 1 (87BB monitoring) of zone
1 opto input
Maintenance Mode 2 (50BF & 87BB blocked) of
zone 8 opto input
Maintenance Mode 2 (50BF & 87BB blocked) of
zone 1 opto input
Commissioning mode 1: 50BF disabled in zone
8
Commissioning mode 1: 50BF disabled in zone
1
Commissioning mode 2: 87BB & 50BF disabled
in zone 8
Commissioning mode 2: 87BB & 50BF disabled
in zone 1
Busbar trip order (87BB)
Logical OR of DDB 184 to 191
Busbar trip order blocked by commissioning
mode or Circuitry fault
Manual Trip Order Logical OR of DDB 192 to
199
Breaker fail trip order (50BF)
Logical OR of DDB 200 to 207
Breaker fail trip order blocked by commissioning
mode or Circuitry fault
50BF backtrip request by opto input
Logical OR of DDB 216 to 223
Differential fault current in phase A
Differential fault current in phase B
Differential fault current in phase C
Differential sensitive earth fault current
Circuitry fault Alarm on 1 or several zones
Logical OR of DDB 168 to 175
Commissioning mode 1: 87BB monitoring
Logical OR of DDB 224 to 231
Commissioning mode 2: 87BB & 50BF disabled
Logical OR of DDB 232 to 239
Valid Setting configuration
Valid Topology file
87BB alarm blocked by opto input (or between
the 8 inputs "INP block 3ph" z1 to z8)
Warning: fibre communication to be changed
Differential fault detected by the Check Zone
Circuitry fault in phase A
Circuitry fault in phase B
Circuitry fault in phase C
Circuitry fault on the neutral
Circuitry fault blocking Zone x
Logical OR of DDB 160 to 239
PU error Alarm in Zone x
Logical OR of DDB 152 to 159
PU error blocking Zone x
Logical OR of DDB 144 to 151
87BB SEF blocked by opto input
Logical OR of DDB 208 to 215
Circuitry fault on the Check Zone
Circuitry fault blocking the Check Zone
PU error Alarm in the Check Zone
(PL) 7-15
PL