Almost every week I support someone using Modbus communications in one form or another. And when I say one form or another, I truly mean that. Modbus is not a single protocol but a family of protocols. There’s Modbus ASCII, Modbus RTU, and Modbus TCP and maybe even more, but those are the ones I am most familiar with.
I cannot say that I am a guru on Modbus, but I can certainly attest to dozens, if not hundreds of hours setting up and using this protocol. Mostly I have used it in two fo