DCC Posted May 3, 2011 Report Share Posted May 3, 2011 I cannot be the only person ever to think that in the U90Ladder, download meant download the program from the PLC to my computer and upload meant uploading it back up. Well, I am sure you can see where this is going. I wrote over my program (which apparently there is no copy for) with an empty void in an attempt to make a copy of it just in case I lost the PLC so I'd have a back up. The irony is not lost on me, I assure you. Is it possible to recover old PLC programs from this M-90 T1? Quote Link to comment Share on other sites More sharing options...
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