PROFIblog – Industrial Ethernet & Fieldbus, Profinet & Profibus Blog

What is PROFINET?

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PROFINET is a mechanism to exchange data between controllers and devices. Controllers could be PLCs, DCSs, or PACs. (Programmable Logic Controllers, Distributed Control Systems, or Programmable Automation Controllers.) Devices could be I/O blocks, vision systems, RFID readers, drives, process instruments,… Read more »


Complementing PROFINET

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“Nice job, PROFINET.”  “Way to be deterministic there PROFINET.” No, not complimenting PROFINET, complementing PROFINET. PROFINET is a great backbone for I/O, controllers, vision systems, drives, and more.  But it isn’t all things to all devices.  There are times and… Read more »


Computer History

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This post is mostly off the PROFINET and PROFIBUS topics, but there is plenty of engineering-related material here… Prior to the Silicon Valley PROFINET one-day training class, I had a chance to visit the Computer History Museum in Mountain View,… Read more »


A Social Media Milestone

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I honestly don’t know how this happened.  But the PROFIblog started ten years ago… quite inauspiciously.  The first post said that we’re starting to blog.  And check back a couple times a week for updates.  Well, the couple times a… Read more »




Developing a PROFINET Product

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There are so many choices of ways to add PROFINET to an automation device that it is difficult to know where to start.  Where to start depends on: Existing design Type of product Quantities expected Time to market needed For… Read more »


The Data-Driven Factory

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Being in the business of moving data with PROFINET, references to the data-driven factory* appeal to me.  Appealing as that is, it’s an incomplete story.  Like a word-driven blog post.  Random words collected do not a blog post make. Random… Read more »



2015’s Most Popular PROFI Stuff

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It is traditional to spend time in January looking back and evaluating the preceding year.  In the world of PROFINET and PROFIBUS this was the most popular stuff from 2015: Web page: PROFINET Technology Everything you need to know about… Read more »