toarne Posted March 3, 2020 Report Share Posted March 3, 2020 Hello How can you make a easy setup for modbus rtu with rs 232? My problem is that i cant force a coil at the slave.I have 2 V570, one master and one slave. I have contact with the other PLC. Hope anyone can help me. Best regards Tommy Link to comment Share on other sites More sharing options...
MVP 2023 Joe Tauser Posted March 3, 2020 MVP 2023 Report Share Posted March 3, 2020 Moved to correct forum First look at the Modbus examples under Help- There are example programs for the V130, which will have the same Modbus commands as the V570. If you can post the programs you're using we can look them over and see what's going on. Also, what kind of cable are you using to connect them? Joe T. Link to comment Share on other sites More sharing options...
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