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
Summary of Contents for REF611
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