Omron CPM1A User Manual

134
Memory Error Check
Memory error occurred.
AR 1309 ON?
AR 1314 ON?
AR 1308 ON?
Replace the CPU
Unit.
Check/correct data backed up by
capacitor and clear error.
Check the program, correct any
errors, and clear the error.
End
No
Yes
No
No
Yes
No
Yes
AR 1310 to
AR 1312 ON?
Check the error indicated by
the flag that is ON, correct set-
tings as required, and write
data to the flash memory.
No
Turned ON during
startup?
Yes
Yes
Check the external
environment.
No
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)