Omron CPM1A User Manual

133
Environmental Conditions Check
Consider using a
fan or cooler.
Is the ambient
temperature
below 55°C?
Is the ambient
temperature above
0°C?
Is noise being
controlled?
Is the installation envi-
ronment okay?
Consider using a
heater.
Consider using an
air conditioner.
Install surge pro-
tectors or other
noise-reducing
equipment at
noise sources.
Consider
constructing an
instrument panel
or cabinet.
End.
Yes
No
Yes
No
No
No
No
Yes
Yes
Yes
Is the ambient humidity
between 10% and
90%?
Environmental conditions check
Troubleshooting Flowcharts
Section 5-6

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)