System Components
150 SICAM RTUs, SICAM AK 3 User Manual
Edition 07.2016, DC2-028-2.03
2.7.3.1  Block Diagram
2.7.3.2  Connector to Carrier Module
The pin assignment of the connector is described as follows:
Pin Alias Signal Pin Alias Signal
1 I/O 0  IN IREF0-  2 I/O 1  IN IREF0+
3 I/O 2  IN V0- 4 I/O 3  IN V0+
5 6
7 I/O 4  IN V1- 8 I/O 5  IN V1+
9 I/O 6  IN IREF1-  10 I/O 7  IN IREF1+
The abbreviations have the following meaning:
IN IREFx = reference current
IN Vx = measuring-circuit voltage
x…number of input 0…1