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I'm using two arduinos as Modbus TCP slaves to my codesys/raspberry (using this tutorial as base http://www.fleaplc.it/en/tutorials/33-a ... io-codesys). Normally everything works fine but sometimes (can bee months between) the modbus communication is going down. As far as I can see (I'm no expert to codesys) it is the slaves that stops working. If I disconnect and then reconnect the power supply to the arduinos the communication starts working again. is there anybody that have experienced the same problem and found a solution?
/Johan
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There is a setting that by default is turned off. It's called auto-reconnect - its in the setup page near the IP address I believe. I've had issues before where turning this on fixed things. This is only assuming the Arduino end is not messed up..
I attached a screenshot of it..
If you would like to refer to this comment somewhere else in this project, copy and paste the following link:
I'm using two arduinos as Modbus TCP slaves to my codesys/raspberry (using this tutorial as base http://www.fleaplc.it/en/tutorials/33-a ... io-codesys). Normally everything works fine but sometimes (can bee months between) the modbus communication is going down. As far as I can see (I'm no expert to codesys) it is the slaves that stops working. If I disconnect and then reconnect the power supply to the arduinos the communication starts working again. is there anybody that have experienced the same problem and found a solution?
/Johan
There is a setting that by default is turned off. It's called auto-reconnect - its in the setup page near the IP address I believe. I've had issues before where turning this on fixed things. This is only assuming the Arduino end is not messed up..
I attached a screenshot of it..
Have to check that setting...
Thank You!
This setting is enabled. Any more suggestions....