Pymodbus reading from multiple energy meters Question: in our company we will install multiple energy meters (abb m4m ethernet 20). This energy meter works via modbus tcp/ip. I have a working python script for reading registers from one that we already have but the problem is that when we will have multiple of them how …
Why does Pymodbus change baudrate when running on linux without requesting a baudrate change? Question: I have python3 program that acts as a Modbus Master. I start a ModbusSerialClient and then proceed to read register from the slave. This is working fine on Windows. The issue is that on Ubuntu I am seeing that the …
Modbus missing bytes error using pymodbus as Serial/RTU master with arduino slaves runnning ArduinoModbus Question: I’m facing some issues with a Modbus RTU implementation. I have 2x Arduino MKR Zeros with RS485 hats/expansions as my 2 slave devices (using the ArduinoModbus library). I am trying to poll the devices from my PC (Windows) using python …
Python Modbus RTU over TCP Question: I am trying to read and write data over Modbus TCP with python. When I am using ModbusPoll with the following setup everything works. I try to read the data now with python and I am using the pymodbus library for this. My code looks like this: from pymodbus.client.sync …
