SoCalJim Posted May 17, 2016 Report Share Posted May 17, 2016 I have been contracted to maintain an existing PLC. I located a version of the source code but I don't know if it matches the code in the PLC. How do I backup the embedded code before downloading the source I have? If the source doesn't work, I'll need to restore the existing code. Quote Link to comment Share on other sites More sharing options...
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