Omron CPM2A - 11-2005 - Unit Components; CPU Unit Components

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2-2 Unit Components
2-2-1 CPU Unit Components
CPU Units with 20 or 30 I/O Terminals
1. Power supply input terminals
2. Functional ground terminal
(AC power supplies only)
3. Protective ground terminal
5. Input terminals
10. Analog controls
11. Peripheral Port
13. Communications
Switch
8. Input indicators
(0CH only for
20-point CPU Units)
9. Output indicators
(10CH only for
20-point CPU Units)
4. External Power supply terminals
(AC power supplies only)
6. Output terminals
12. RS-232C port
15. Expansion
connector cover
7. PC Status Indicators
14. Battery compartment
CPU Units with 40 I/O Terminals
CPU Units with 60 I/O Terminals
Unit Components
Section 2-2