3.4.2.1
Default I/O connections
Connector pins for each input and output are presented in the Protection relay's
physical connections section.
Table 17:
Default connections for analog inputs
Analog input
Description
Connector pins
IL1
Phase A current
X120:7-8
IL2
Phase B current
X120:9-10
IL3
Phase C current
X120:11-12
Io
Residual current
X120:13-14
U12B
not in use
X130:9-10
U1
Phase voltage U1
X130:11-12
U2
Phase voltage U2
X130:13-14
U3
Phase voltage U3
X130:15-16
Uo
Residual voltage
X130:17-18
mA1
-
X130:1-2
RTD1
-
X130:3-4
RTD2
-
X130:6-7
Table 18:
Default connections for binary inputs
Binary input
Description
Connector pins
X110-BI1
Lockout reset
X110:1-2
X110-BI2
Binary signal transfer input
X110:3-4
X110-BI3
Circuit breaker low gas pressure indication
X110:5-6
X110-BI4
Circuit breaker spring charged indication
X110:7-6
X110-BI5
Circuit breaker truck in (service position) indication
X110:8-9
X110-BI6
Circuit breaker truck out (test position) indication
X110:10-9
X110-BI7
Earthing switch closed indication
X110:11-12
X110-BI8
Earthing switch open indication
X110:13-12
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
-
X130:3-4
X130-BI3
-
X130:5-6
X130-BI4
-
X130:7-8
1MRS758127 C
Section 3
RED615 standard configurations
RED615
63
Application Manual