Jonas Neubert

… works with bits and atoms

Python & Programmable Logic Controllers: A Step by Step Guide

Presented at PyCon India 2020, October 2020, Virtual Conference

Abstract on conference website

Video

Slides

General Information on Modbus

Modbus on Wikiped has both high level information as well as detailed specifications on the protocol.

Python Modbus implementations mentioned

More links related to Python & PLCs are available on the page for my 2019 PyCon US talk: What is a PLC and how do I talk Python to it?