3.6.2.1 Default I/O connections
Table 21: Default connections for binary inputs
Binary input
Description Connector pins
X120-BI1 Blocking of overcurrent instantaneous stage X120:1-2
X120-BI2 Circuit breaker closed position indication X120:3,2
X120-BI3 Circuit breaker open position indication X120:4,2
X120-BI4 - X120:5-6
X130-BI1 - X130:1-2
X130-BI2 - X130:3,2
X130-BI3 - X130:4-5
X130-BI4 - X130:6,5
Table 22: Default connections for binary outputs
Binary input Description Connector pins
X100-PO1 Close circuit breaker X100:6-7
X100-PO2 Circuit breaker failure protection trip to upstream breaker X100:8-9
X100-PO3 Open circuit breaker/trip coil 1 X100:15-19
X100-PO4 Open circuit breaker/trip coil 2 X100:20-24
X100-SO1 General start indication X100:10-12
X100-SO2 General operate indication X100:13-15
Table 23: Default connections for LEDs
LED
Description
1 Overcurrent operate
2 Earth fault protection operate
3 Negative-sequence overcurrent/phase discontinuity operate
4 Thermal overload alarm
5 Autoreclose in progress
6 Disturbance recorder triggered
7 Trip circuit supervision alarm
8 Circuit-breaker failure operate
1MRS757456 D Section 3
REF611 standardized configurations
REF611 123
Application Manual
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