pip4 Posted February 14, 2016 Report Share Posted February 14, 2016 HiI can connect and update operating system all the times I want, but it is impossible to download my program.I have tried to change settings in the PLC and software, but it will not work.What can be wrong ? Quote Link to comment Share on other sites More sharing options...
AlexUT Posted February 15, 2016 Report Share Posted February 15, 2016 Hi pip4, Update OS stops PLC, replace OS, then start OS and Project. It seems that you have some Ladder code, disturbing to establish communication to PLC. Stop your Ladder code from Info mode and then test if communication can be established and project can be loaded. If you continue to have problem - send your project to support@unitronics.com for review. Quote Link to comment Share on other sites More sharing options...
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