Omron CPM1A User Manual

130
Non-fatal Error Check
Identify the error, eliminate its
cause, and clear the error.
ERR/ALM indicator flashing.
Is a non-fatal error
indicated?
Is the ERR/ALM indi-
cator flashing?
Replace the CPU
Unit.
End
Determine the cause of the error
with a Peripheral Device.
No
Yes
Flashing
Not lit
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)