I have found my self in a plant with no experience with this PLC its old and I cant find much documentation. Just out of curiosity say I had a failed input output card (series 800). Can I remove power to the processor and have it retain its memory ? also are they any changes I would have to make in Concept programming software to see this new input/Output card. I am aware of top and bottom keying on input/output modules. Just want to be prepared so if any thing happens which I am sure it wont I will atleast know a thing or two. Thanks for any info
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