Relay Output Contact Mapping - GE P741 Technical Manual

P74x/EN PL/Na7
(PL) 7-48
1.12

Relay output contact mapping

The default mappings for each of the relay output contacts are as shown in the following
table:
Central Unit P741:
Relay
Contact
Number
1
2
3
4
5
6
7
8
Peripheral Unit P742:
PL
Relay
Contact
Number
1
2
3
4
5
6
7
8
9
10
11
12
P74x Relay
P74x Relay Text
Conditioner
Pick-up 0/0
Relay Label 01
Pick-up 0/0
Relay Label 02
Pick-up 0/0
Relay Label 03
Relay Label 04 Pick-up 0/0
Relay Label 05 Pick-up 0/0
Relay Label 06 Pick-up 0/0
Relay Label 07 Pick-up 0/0
Relay Label 08 Pick-up 0/0
P74x Relay
P74x Relay Text
Conditioner
Pick-up 0/0
Relay Label 01
Pick-up 0/0
Relay Label 02
Pick-up 0/0
Relay Label 03
Relay Label 04 Pick-up 0/0
Relay Label 05 Pick-up 0/0
Relay Label 06 Pick-up 0/0
Relay Label 07 Pick-up 0/0
Relay Label 08 Pick-up 0/0
Relay Label 09 Pick-up 0/0
Relay Label 10 Pick-up 0/0
Relay Label 11 Pick-up 0/0
Relay Label 12 Pick-up 0/0
Programmable Logic
MiCOM P741, P742, P743
Function
Trip 87BB or 50BF backtrip or
overcurrent / earth fault trip (fixed)
Trip 87BB or 50BF backtrip or
overcurrent / earth fault trip (fixed)
Trip 87BB or 50BF backtrip or
overcurrent / earth fault trip (fixed)
Trip zone 1
Trip zone 2
Circuit fault or PU error
Zone 1 or zone 2 blocked
Check Zone fault
Function
Trip 87BB or 50BF backtrip or
overcurrent / earth fault trip (fixed)
Trip 87BB or 50BF backtrip or
overcurrent / earth fault trip (fixed)
Trip 87BB or 50BF backtrip or
overcurrent / earth fault trip (fixed)
Circuit Breaker failure
Circuit Breaker failure or out of service
Circuit Breaker failure retrip
Trip or Dead Zone Fault
Circuit Breaker or Isolator status alarm
Circuit Breaker failure retrip phase A
Circuit Breaker failure retrip phase B
Circuit Breaker failure retrip phase C
Not Mapped