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37
Board Components and their Functions
Section 2-2
11. DIP Switch Inputs
The ON/OFF status of IR 00108 through IR 00111 reflects the ON/OFF
status of these DIP switch pins.
12. Expansion I/O Connector
Connects the CPU Board to an Expansion I/O Board. Up to 3 Expansion I/
O Boards can be connected to a CPU Board.
13. Battery
This battery backs up memory in CPU Boards equipped with an internal
clock. The battery is connected when the Unit is shipped.
2-2-2
Expansion I/O Boards
CPM2B-32EDR 32-point Expansion I/O Boards with Relay Outputs
Pin
Corresponding input bit
32-point CPU Board
1
IR 00108
2
IR 00109
3
IR 00110
4
IR 00111
3. Input indicators
4. Output indicators
1. Input connector
2. Output terminals
5. Expansion I/O
connector
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