Omron CPM1A User Manual

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Installation
Lower the CPM1A so that the notch on the back of the PC catches the top of the
DIN Track. Push the PC forward until the lock snaps into place.
Removal
Pry the lock down with a standard screwdriver and pivot the PC upward to
remove it.
Screwdriver
3-3-3 Connecting an Expansion I/O Unit
Up to 3 Expansion I/O Units can be connected to the CPM1A-30CDR-(-V1)/
30CDT-(-V1)/30CDT1-(-V1) and CPM1A-40CDR-(-V1)/40CDT-(-V1)/
40CDT1-(-V1) CPU Units. Use the following procedure when connecting an
Expansion I/O Unit.
V1 Units
1, 2, 3... 1. Remove the cover from the CPU Unit’s Expansion I/O Unit Connector. Insert
a flat-blade screwdriver into the slot on the cover and press down lightly on
the handle of the screwdriver to remove it from the case.
Expansion I/O Unit
connector cover
Screwdriver
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)