12/17/2009 3:43 PM | |
Posts: 26 Rating:
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Hello, looks ok from here... have you checked/traced the return values of the Modbus calls? (error, status, busy) glubb |
12/18/2009 9:52 AM | |
Posts: 8 Rating:
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Hi, Ok we just tried that and it stilldoesn'twork. Losing faith in these S7-1200's... |
12/18/2009 10:18 AM | |
Joined: 5/28/2008 Last visit: 7/15/2024 Posts: 1343 Rating:
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Do not despair. I think there is a solution for the problem. I think more and more it is a modbus communication problem. I found some links with usefull information. Maybe you should read them and check your system again. Tips for Modbus Multiple MODBUS masters on single 1211 CPU How to use S7-1200 Modbus library with more than one slave S7-1200 MODBUS RTU - how to use it? S7-1200 Modbus Communication Problems |
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