Tag Archives: C20K

Omron C20K, C28K, C40K, C60K Troubleshooting

The Omron C20K, C28K, C40K and C60K shoebox programmable logic controllers have been discontinued since March of 2002. These ‘K’ series PLCs were a popular controller and have been in installations for over 25 years. We will take a look at this PLC and review some troubleshooting techniques. Planning for the eventual fatal failure of the CPU will also be discussed.
Find parts for your Omron K series PLC.
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