Omron CPM1A User Manual

49
Pre-V1 Units
1, 2, 3... 1. Remove the cover from the CPU Unit’s or the Expansion I/O Unit’s Expan-
sion I/O Unit Connector. Use a flat-blade screwdriver to remove the cover
from the Expansion I/O Connector.
Expansion I/O Unit
connector cover
2. Insert the Expansion I/O Unit’s Connecting Cable into the CPU Unit’s or the
Expansion I/O Unit’s Expansion I/O Unit Connector.
3. Replace the cover on the CPU Unit’s or the Expansion I/O Unit’s Expansion
I/O Unit Connector.
Installing the CPM1A
Section 3-3

Omron CPM1A Specifications

General

Model	CPM1A
Type	Compact PLC
Communication Ports	RS-232C (optional)
Instruction Set	Basic and advanced instructions
Operating Temperature	0 to 55°C
Storage Temperature	-20 to 75°C
Humidity	10% to 90% RH (non-condensing)
Power Supply	24 VDC or 100-240 VAC
Expansion	Expansion I/O units available
Timers	128
Counters	256 counters
I/O Points	10, 20, 30, or 40 points (depending on model)