banpot408 / modbus-rtu

Python RS-485 Modbus RTU

MODBUS RTU [RS-485]

This is example code to run modbus RTU using python with minimalmodbus or pymodbus libraries

Installation

conda create -n modbus_env python=3.7 pip
pip install requirement.txt

Packages (requirement.txt)

pyserial
minimialmobdus
pymodbus
numpy

Run the code

1. Using minimalmodbus library

python modbus_min.py

2. Using pymodbus library

python modbus_py.py

References

1. https://minimalmodbus.readthedocs.io/en/stable/usage.html
2. https://minimalmodbus.readthedocs.io/en/stable/apiminimalmodbus.html
3. https://stackoverflow.com/questions/60431210/modbus-rtu-master-python-script-with-minimalmodbus