Bender NGRM700 - Connection of Relays (Ground-Fault, NGR and Trip Relay); Connection to the X1 Interface

Connection
29
NGRM7xx_D00292_07_M_XXEN/02.2022
5.5 Connection of relays
(ground-fault, NGR and trip relay)
Fig. 5.5: Connection of relays
5.6 Connection to the X1 interface
Tab. 5.2: Pin assignment X1 interface
I1 Digital 1 (configurable: pulser, NGR method)
I2 Reset IN
I3 Test IN
A Modbus RTU (A)
B Modbus RTU (B)
Common
M+ Analogue output
Q2 Open Collector: Pulser OUT
Q1 Open Collector: Device health
+
Output for supply of external relays
(+24 V, max. 100 mA)
11
12
14
31
24
32
34
21
22
Ground-fault relay
NGR-fault relay
Trip relay
I1
I2
I3
A
B
M+
Q2
Q1
+