Omron C200HW-CORT21, Руководство по эксплуатации

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Error Indicators
Section 5-1
50
5-1 Error Indicators
The Unit provides the following error indicators:
•
The two LEDs (RUN and ERR) and the 7-segment display at the front of
the Unit. See section 3-3.
•
The status word IR n+3. See section 3-2-2.
5-2 Troubleshooting
Possible problems have been divided in the following categories:
•
PLC Errors
•
Start-up problems
•
Message communication problems
PLC Errors
Description Possible cause Possible remedy
An I/O verification
error occurred. The current PLC configuration is not the same
as it was when the I/O table was registered. Check the I/O table with the I/O table
verification operation and correct it if
necessary. After correcting it, perform the I/O
Table Create operation.
An I/O Unit Over
error occurred. The MACHINE No. rotary switch setting is
incorrect. Make sure that the setting does not exceed
the maximum allowed Unit number. See
section 2-1-3.
If it does exceed the limit, adjust the Machine
number and restart the Unit.
Two Units claim the same Unit number. Adjust the MACHINE No. switch setting and
restart the Unit.
A Special I/O Unit
error occurred. The Unit is not connected properly or was
removed while the power was on. Turn the power off, make sure that the Unit is
connected properly and turn the power on
again.
An I/O Bus error
occurred. The Unit is not connected properly. Turn the power off, make sure that the Unit is
connected properly and turn the power on
again.
The Unit is defective. Replace the C200HW-CORT21.