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Modicon B883-201 Circuit Troubleshooting
Need help troubleshooting defective rtd card


We have my defective rtd card. some of these defective is just one or two channels each card, and spare part is obsolete. I want to trouble shoot these defective. how to do that?

Is there circuit diagram and troubleshooting tips?

It apparently it is a smart I/O module that multiplexes up to ten thermocouples.

There are 2 Manuals.
it diagram and troubleshooting tips?


Thanks for reply, but the link has only the software manual. there is not hardware or electronic circuit diagram manual.