Technisches Handbuch
SMCI33
Connections and circuits
3
Connections and circuits
3.1 Inputs and outputs (I/O): Connector X1
Introduction
An overview of the assignments can be found in the wiring diagram in Section 2.1).
This section looks in detail at the assignment, functions and circuits of the connector
X1.
The connectors and sockets used are from Phoenix, order number: FK-MC 2/4/5/12.
Connection diagram
Pin assignment
Pin no. Name
Observations
1
Input 1
5-24 V Optocoupler
2
Input 2
5-24 V Optocoupler
3
Input 3
5-24 V Optocoupler
4
Input 4
5-24 V Optocoupler
5
Input 5
5-24 V Optocoupler
6
Input 6
5-24 V Optocoupler
7 Com
Signal
GND
8 Output
1
Open-Collector
9 Output
2
Open-Collector
10 Output
3
Open-Collector
11
Analog In
–10 V ... +10 V
12
GND
Power & Analogue GND
Note:
Com and GND connection are not connected. Com is the ground connection for the
inputs and GND is the ground connection for outputs and the internal circuitry.
10
Issue: V 2.2
