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Modbus : History, Structure, Modes, Addressing, Functions

S Bharadwaj ReddyJanuary 26, 2018March 13, 2019

History of the Modbus protocol Some communication standards just emerge. Not because they are pushed by a large group of vendors or a special standards organisation. These standards—like the Modbus...

What is a Fieldbus ?

S Bharadwaj ReddySeptember 5, 2016February 1, 2019

Fieldbus is a digital two-way multidrop communication link between intelligent field devices. It is a local area network dedicated to industrial automation. It replaces centralized control networks with distributed control...

How Modbus Communication works

S Bharadwaj ReddyJune 21, 2016October 30, 2018

Introduction to Modbus Modbus is the “granddaddy” of industrial communication protocols. It was originally designed in the mid-1970s by Modicon as a way to link intelligent devices with PLCs using...

Modbus Communication Interview Questions and Answers

S Bharadwaj ReddyFebruary 8, 2016March 22, 2019

Read the Modbus communication interview questions prepared for your interview. Modbus Communication Interview Questions and Answers What is Modbus? Modbus is a serial communication protocol developed by Modicon published by...

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