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Questions tagged [pymodbus]

Pymodbus is a python implementation of modbus protocol providing both client and slave features.

PYMODBUS is a full modbus implementation of modbus protocol using python. It provides both client and server features and supports Modbus over RTU, ASCII, TCP, UDP protocols. The library also supports both synchronous and asynchronous variants of both client and server features.

Pymodbus is supported on both on python 2.7 and python 3.x

For more info refer

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Python + pymodbus to send byte code to slave device

I am using pymodbus to communicate with indicators and displays. The indicators are straightforward to read and write to, using client.read_holding_registers(address, unit) and client.write_register(address, value, unit) However, the instructions…
adaone
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Can't install the drivers needed to connect my Tracer BN Solar Charger to Raspberry Pi 4

I'm trying to use pymodbus lib to retrieve data from my Epever tracer BN series solar charge controller, here is my pymodbus code: from pymodbus.client.sync import ModbusSerialClient as ModbusClient client = ModbusClient(method = 'rtu', port =…
André Gomes
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How do assign holding registers in pymodbus?

I am making a modbus server on a Raspberry Pi Zero to send data to a Modbus Client/Data Logger. I am trying to use pymodbus but I am having trouble following the documentation and was wondering if someone could show me how to assign specific values…
Michael H.
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How to calculate Energy readings from the raw data on an Power Meter

I'm IoT newbie and I have a project with Schneider Power Meter. I read voltage raw data from registers using pymodbus but I don't know how to convert it to the correct value. Raw data is [24206, 17242] from registers address 3927-3928. Here is my…
Mr.Ping
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