6/7/2024 7:47 AM | |
Joined: 3/30/2020 Last visit: 8/16/2024 Posts: 4696 Rating: (975) |
Modbus RTU is natively available on the S7-1200, but Modbus ASCII is not. You seem to attempt to make your own code to compensate. Several problems may come up which could cause issues, one of which is byte order. Regardless, it is maybe best to start with a code base that has a good chance to be working. Have a look at this article: |
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