3/17/2021 1:58 AM | |
Joined: 10/17/2007 Last visit: 9/17/2024 Posts: 4031 Rating: (353)
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I may not directly answer your question. but I hope this can help you to solve your problem. "titanic" give you a good suggestion which I agree with. as end-user always backs up PLC by Archive. and if you want to add some function just modify in related OB and add your own FC/FB, when your download to 840D, and the function working ok, make a new archive and record the name.Then you will not worry about lose anything. @titanic do you know FB15 is the system version information? when you upload all program by PG/PC from 840D, you need always delete FB15 after done. FB15 will not be delete even the whole PLC is deleted
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