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8 Channel RS485 MODBUS RTU relay board type R421A08

This Python project can control up to 64 individual 8 channel R421A08 relay boards from the command line and GUI. It uses a universal USB - RS485 dongle. Python packages for easy application ...
GitHub

ProcessSensingTechnologies/OXY-LC-485_modbus_python

See UG-004_OXY-LC-User-Guide for full implementation details for modbus with OXY-LC This repository provides Python code for interacting with an OXY-LC-485 oxygen sensor using the Modbus RTU protocol.
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Pythonライブラリ（Modbus通信）：Pymodbus

PythonでModbus通信ができるライブラリPyModbusを紹介します。 Welcome to PyModbus’s documentation! — PyModbus 4.0.0dev documentation pymodbus.readthedocs.io 参考として、ネットワーク通信用のライブラリsocketは下記の通りです。 1－1．Modbusとは ...