PROFIblog – Industrial Ethernet & Fieldbus, Profinet & Profibus Blog

Do the Engineering

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I realized I had a pet phrase to go with my pet peeves: “There’s never a substitute for doing the engineering.”  I realized it was a pet phrase when Gary Mintchell noticed I said it in a comment to his… Read more »


Hanover Fair Preview

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Remember when there were big independent shows in the US?  Shows like ISA and National Manufacturing Week? Hanover Fair (April 25-29) in Germany makes them look tiny.  Hanover Fair is big, although not as big as in years gone by. … Read more »




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 »