5.2.11 Transistor outputs (open collector outputs)
The open collector outputs can be used as kWh and kvarh counter outputs or as relay outputs. The outputs
are low power outputs. For that reason, one of the following circuits must be applied.
External counter:
Relay outputs:
20 kWh
Multi-line 2
22 (Com. For 20/21)
External
counter
+12/24 VDC
0 VDC
0,5 µF
100 V
20 (Relay 20)
Multi-line 2
22 (Common)
+12/24 VDC
0 VDC
Relay
A1
A2
Connection to PLC:
20 kWh
Multi-line 2
22 (Com. For 20/21)
+12/24 VDC
0 VDC
4,7 k
Ω
PLC
Input (positive)
Remember to mount the freewheeling diode.
Maximum load on the open collector outputs is 10 mA at 24 V DC.
AGC-3 installation instructions 4189340728
UK
Wirings
DEIF A/S
Page 54 of 65
