Omron CPM1A Operation Manual page 55

Unit Components
CPU Units with 20 I/O Terminals
CPM1A-20CDR-j-V1/20CDT-j-V1/20CDT1-j-V1
CPU Units with 30 I/O Terminals
CPM1A-30CDR-j-V1/30CDT-j/-V130CDT1-j-V1
CPU Units with 40 I/O Terminals
CPM1A-40CDR-j-V1/40CDT-j-V1/40CDT1-j-V1
CPU Unit Component Descriptions
1, 2, 3...
32
CPM1A-20CDR-j/20CDT-j/20CDT1-j
CPM1A-30CDR-j/30CDT-j/30CDT1-j
12. Expansion
I/O Unit
connector
CPM1A-40CDR-j/40CDT-j/40CDT1-j
12. Expansion
I/O Unit
connector
1. Power Supply Input Terminals
Connect the power supply (100 to 240 VAC or 24 VDC) to these terminals.
2. Functional Earth Terminal (
Be sure to ground this terminal (AC-type PCs only) to enhance immunity to
noise and reduce the risk of electric shock.
3. Protective Earth Terminal (
Be sure to ground this terminal to reduce the risk of electric shock.
4. Power Supply Output Terminals
CPM1A PCs are equipped with these 24-VDC power output terminals to
supply power to input devices. (AC-type PCs only.)
5. Input Terminals
Connect the Unit to external input devices.
6. Output Terminals
Connect the Unit to external output devices.
) (Pre-V1 CPU Units only)
)
Section 2-2
12. Expansion
I/O Unit
connector
12. Expansion
I/O Unit
connector