Home Network Security – Finding Hardware (part 2)

Home Network Security – Finding Hardware (part 2)

According to my plan in Home Network Security – The Idea (part 1), there is some hardware that I need to source and buy. I do not have any affiliation with the mentioned brands or shops, these are just my personal choices from my own use-case scenario. I already have a Lenovo ThinkCentre M910q that

MODBUS TCP between Codesys controllers

MODBUS TCP between Codesys controllers

This is a example code of how to set up Master <– Slave communication between two Codesys Runtime controllers. This example was made in Codesys version 3.5.16.20 . This example is intentionally set up as one-way communication, so you have to repeat the Master/Slave setup in both controllers or change the configuration to use R/W