PROFIblog – Industrial Ethernet & Fieldbus, Profinet & Profibus Blog

Why Use a Fieldbus?

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There are two main reasons to use a fieldbus or Industrial Ethernet like PROFIBUS or PROFINET: Save wiring. Prevent downtime. Most users think about saving wiring as the most important reason.  Not just wiring, of course.  When you reduce the… Read more »



Also Catching the Process Fieldbus

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I have often recommended James Powell’s Catching the Process Fieldbus: An Introduction to Profibus for Process Automation.  It’s a great start to understanding PROFIBUS.  I’ve even previously blogged about it as “Catching the Process Fieldbus.” It’s been available at Amazon… Read more »


PROFINET Student Tips

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With sixteen free PROFINET one-day training classes around the USA, we probably have one near you.  You should come.  (See the city list.)  Here are some tips to get the most out of the class: Be prepared.  If you are… Read more »


Hanover 2015: The Lighter Side

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I enjoy meeting unexpected people at the fair.  This year that included sitting next to the deputy mayor of Akron, Ohio at breakfast one morning.  (I got my BSEE from the University of Akron.)  Akron has been represented at Hanover… Read more »


Hanover 2015: IO-Link News

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IO-Link had some big news at the fair, but first let’s look at some of the IO-Link products.  First, the IO-Link wall at the PI booth with more products than ever before. One of those products was an AS-interface master… Read more »


Hanover 2015: Members’ Booths

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I always enjoy visiting PI North America members’ booths to see what’s new and talk to folks from the US and from headquarters.  There is always news about PROFINET and PROFIBUS. At the Phoenix Contact booth, PI North America Board… Read more »


Hanover 2015: Around the Fair

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I was able to get around the fair two ways this year.  One, I took two guided tours offered by the Fair (Industry 4.0 and Industrial Automation and IT).  Second, I always make it a point to visit PI North… Read more »


Hanover 2015: The PROFI News

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“Good News Is No News.”  The PROFINET and PROFIBUS news from Hanover Fair was slim… and that’s a good thing.  This means the technologies are stable and complete.  Although work continues “around the edges,” the core communications protocols are where… Read more »


Hanover 2015: The PI Booth

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I wish you could have been there to see and hear all about PROFINET, PROFIBUS, and IO-Link.  Since you weren’t, here’s the photo gallery (click to enlarge and start slide show): The PI Booth provided a great meeting point for… Read more »