Omron CPM2A - 11-2005 User Manual

5-5SectionTroubleshooting Flowcharts
134
Power Supply Check
PWR indicator not lit.
Replace the CPU
Unit.
Is power being
supplied?
Is voltage adequate?
Are there any loose
terminal screws or bro-
ken wires?
Connect power
supply.
Is PWR indicator lit?
Set supply voltage
within acceptable limits.
Is PWR indicator lit?
Tighten screws or
replace wires.
End
Yes
No
No
Yes
Yes
No
No
No
Is PWR indicator lit?
Yes
No
Yes
Yes
Has the external
power supply shorted
or overloaded?
Correct the short circuit or limit
the connected load to the spec-
ification range.
No
No
Is PWR indicator lit?
Yes
Yes

Omron CPM2A - 11-2005 Specifications

General

Category	Controller
Manufacturer	Omron
Output Type	Relay
Input Voltage	24 VDC
Supply Voltage	100 to 240 VAC
Timer/Counter	256
Communication Port	RS-232
Operating Temperature	0 to 55°C
Humidity	10% to 90% RH (with no condensation)
Program Capacity	2048 Steps