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I apologize for taking so long to get back to you on this.
This sounds interesting 🙂
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Thanks for posting!
If there is an SD already in the 350, have you carefully checked it for any files? There might be a backup of the program on the card, if the original developer thought it OK.
If they thought this way, there might be various named files which could be backups...of sorts. If you locate any files within the directory structure you will find already exisiting on the SD, save them and ask the forum about them. Or consult Visilogic help.
Has the customer fully checked all their computers for any file with *.vlp?
I want to ask one more question in this topic. How can I back up the project from the controller? I don’t want to upload it with editing purposes, I need to have it, if something happened to the hardware. Is it possible to use SD card or other way to get in (in compile form for example)? I need to have in case of controller problem and be able to load it in new PLC.