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[graham22]

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[mcsarge]

Cool

[jamien82]

Hi Graham,
Is there a way to combine both your serial adapter and your mqtt code together to plug in and transmit over mqtt wifi.

Also are you able to use separated values in mqtt to more easily use the information?

You have really come a long way with this project since I suggested you add a consumption field
Thanks
Jamie

[graham22]

I assume you're referring to the esp implementation, you want to have it connect to a the modbus serial RTU interface and emit MQTT?

You could clone the project and do what you want with it but if I change this one then the android app would also have to change.

[qcda1]

Hello Graham. I've been using classic.modbusdecoder.py in my off-grid monitoring system and I greatly appreciate it. With the latest version of pymodbus (3.8.2), I realized there was an issue when inquiring registers of multiple classics. All returned values were the ones from the first classic. I saw that when closing modbusClient, it had to be initialized to None (modbusClient = None) for the code to reopen a connection with the other classics.

Also, when I upgraded to latest version of pymodbus, I realized they deprecated BinaryPayloadDecoder in pymodbus.payload. So I isolated it in one Payload.py file with all it needed to preserve the functionality of BinaryPayloadDecoder. Since it deals with Modicon PLC memory map that I believe will never change, I'm quite confident the new Payload.py file will work as long as the word boundary structure of the Modicon memory map doesn't change in the classics.

I will send to this discussion (unless there is a better way. I'm new to Github) the Payload.py file and classic.modbusdecoder.py shortly for your information.

Regards,

Daniel.

[graham22]

Thanks Daniel, Mathew Sargent was the author for the python version of ClassicMQTT ( I did the ESP32 version), just want to keep him in the loop.
You can create a PR with your update or send me the files and I'll add them...

thanks
Graham