Deif GPU-3 Hydro - Digital Inputs; Digital Inputs with Wire Break Supervision (Option M4)

6.1.17 Digital inputs
All digital inputs are 12/24 V DC bi-directional optocoupler. Typical input is:
Bin IN
Common
12/24V DC
6.1.18 Digital inputs with wire break supervision (option M4)
The digital inputs with wire break supervision only need potential free contacts.
Multi-line 2
Multi-input
A
B
C
R
The resistor value should be 270 Ω +/-10 %.
ML-2 installation instructions 4189340582
UK
Wirings
DEIF A/S Page 53 of 64