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Old December 21st, 2005, 12:29 AM   #1
sronggot
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I/O error in OMRON PLC

hello.. I have Problem with my OMRON PLC. I used OMRON PLC type CQM1H. and I use CX-programmer software.

My problem is I/O error. In the error log, we have the message : "Fatal error " and "I/O error" and in the PLC error sign always lit.

anyone can help me how to repair that..
thanks for your help
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Old December 21st, 2005, 02:21 AM   #2
Paulus
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Hello strongot,

Is there an error code displayed in the error log?
Have you tried power cycling the PLC?
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Old December 22nd, 2005, 09:32 AM   #3
chavak
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Talking

Turn off power,

Pull out all the modules & fix it back. Poor contact sometimes causes this.

It helped me once.
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Old December 22nd, 2005, 10:22 AM   #4
Jay Anthony
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Do you have the end panel on the end of the stack? It must be there as it has a termination resistor for the I/O Bus.
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Old December 26th, 2005, 08:34 PM   #5
sronggot
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Thanks for your respond paulus, Chavak and Jay..

yes, i have the end panel on the end of the stack.., so i mush check the end panel..

I already try the power cycling the plc, but it's have the I/O error
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Old January 2nd, 2006, 10:57 PM   #6
sronggot
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thanks paulus,

the error code is 080C..

thanks..
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Old January 3rd, 2006, 07:25 AM   #7
chavak
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Encik,



"Awak sudah try, belum apa saya suggest!!"



You have nothing to loose, if you can afford to stop a short while.

Good Luck.
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Old January 3rd, 2006, 08:43 AM   #8
Paulus
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Quote:
Originally Posted by sronggot
the error code is 080C..
I can't find that code?
What is the value in AR24?
This will give you a good idea as to what the problem may be.
Sounds like you need a manual...

http://www.knowledge.omron.com/
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Old December 14th, 2007, 02:50 PM   #9
aliehghaghi
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Hi sronggot
I have same problem in omron plc type as cpm2c?can you fix your problem?If you solved that problem please help me how can I do it?
my problem also is I/O bus error.
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