MVP 2021 Flex727 Posted September 12, 2014 MVP 2021 Report Share Posted September 12, 2014 I have a V570 PLC out in the field that needs to have some code updated. The original project, which I have, was generated using Visilogic 8.6.3. The firmware on the PLC is the firmware associated with Visilogic 8.6.3. I am currently using Visilogic 9.7.9 and no longer have 8.6.3 installed. Can I update the code in Visilogic 9.7.9 and generate a .V57 file to be delivered via the SD card, or do I need to re-install 8.6.3 to ensure compatibility with the older firmware? Quote Link to comment Share on other sites More sharing options...
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