Modbus: The Everyman’s Guide to Modbus

How a Protocol Born in the 1970’s Has Stayed Relevant in Automation for Over 30 Years

by John Rinaldi

Pageflex Persona [document: PRS0000448_00013]Book Description:
Modbus has found its way into thousands of applications and hundreds of thousands of devices. And even in this age of the Internet, Cloud data storage and the Internet of Things (IoT), Modbus will continue to be relevant for many years to come because of its utter simplicity.

In this short and entertaining book, Rinaldi describes the birth and history of Modbus technology and the reasons why it has flourished the way it has. Besides the deep dive into Modbus technology, the book describes everything else you need to know about Modbus; including the Modbus Organization, certification, router technology, interfacing Modbus to IoT protocols like OPC UA and, most of all, why it will live forever.

This book is an important resource for those companies trying to manage the loss of a generation of engineers and technicians who grew up with Modbus and know the technology inside and out. This book can fill that knowledge gap for that next generation of engineers as they grab the keyboard from their predecessors.

 

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Praise for the Modbus Book

“Modbus is a really important technology for our company, Progea. It enables our SCADA/HMI platform connectivity to a wide range of devices allowing companies in almost any industry the ability to Monitor Visualize and Control (Movicon) their process. This book is a great resource if you’re new to automation, to SCADA or need to understand the background on this important technology.”
Tim Donaldson, Progea Sales Manager – North America. www.progea.us

 

“Industrial automation domain experts – the guys who build a lot of valves, pumps, drives, etc,, and need a way to talk to their devices – will find their Modbus champion in John Rinaldi. The author has almost as much shop floor experience as Modbus itself, the 40 years it’s been (and remains) the sole open source electronic networking protocol for connecting automation systems. John brings his trademark passion for, and quirky treatment of, all things industrial automation, to Modbus in the 21st Century. Internet of Things? OPC UA? All good – but automation engineers for whom small, simple, cheap, fast solutions will suffice will walk away from this book joining John in declaring ‘Hail Modbus! Modbus forever!.”
Heather Angus-Lee, writer/editor & content strategist (coacheditor.com) and former Editor-in-Chief of Manufacturing AUTOMATION magazine

 

“The very first industrial networks that we included in our Thin Client PLC were Modbus RTU and Modbus TCP. You can’t build a high performance, flexible, factory integration device without supporting Modbus technology. If you’re not familiar with Modbus or want to make sure you understand its history, how it works and where it’s going in the future, you need to read this interesting book. I highly recommend it.”
Feisal Hurzook, President and CTO, ARCX Inc, Toronto Canada, inventor of the World’s First Thin Client PLC. www.arcx.com

 

“I have found that over my career in automation, there typically are two stakeholders at my customer; the control engineers who deal in the PLC and motion control arena and the IT(information technology) folks who just want to capture the data from the production area and are not PLC literate, nor do they care to be. The simplicity of the Modbus protocol has made it very attractive to the IT folks and it is still relevant today. This book will be a great resource to both of them.”
Kevin Mahoney, President, Mtech Wisconsin, Inc., Fond du Lac, WI, www.mtechwi.com

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