PROFIblog – Industrial Ethernet & Fieldbus, Profinet & Profibus Blog

Control Engineers Boo IT

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I’m in Las Vegas where we are exhibiting and presenting PROFIBUS and PROFINET at the Siemens user event.  At the Tuesday morning opening Tom Kopanski related a story told him by one of the editors attending the event.  At a… Read more »




Ethernet Basics

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Another PROFINET one-day class is finished.  Here in Newton, MA, the crowd was good and the exhibitors were legion.  There were an unusually high number of device manufacturers at this event, so we added a short overview of four of… Read more »



Industrial Ethernet Survey

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Network Vision, a PTO member, has some clever tools to help maintain Industrial Ethernet networks.  We demonstrate them at the PROFINET one-day training events to show how standard tools can help troubleshoot the PROFINET network.  They’ll be exhibiting at our… Read more »


Why Use Industrial Ethernet?

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One of the topics we cover in the PROFINET one-day training classes is the industrial automation trends that have led users to Industrial Ethernet.  And more importantly, the results they can expect in using Industrial Ethernet, especially PROFINET. We were… Read more »


Whither Wireless? Which one?

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Whither Wireless?  Which one?  We talk about wireless as if it were some monolithic thing.  It’s not. There was a lot of wireless stuff at Hanover, even a wireless pavilion with many displays.  My observation is that wireless means many… Read more »


FDT vs. EDDL

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The raging controversy between FDT and EDDL continued at Hanover.  This is just silly. My advice to those who are so wrapped up in one that they can’t tolerate the other is this: get over it!  Neither is going away. … Read more »


IO-Link, HART for discrete?

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IO-Link is a point-to-point wiring system intended for smart sensors and actuators.  It communicates over the discrete device’s wires.  This reminds me of HART in the process space where communication is superimposed over the 4-20mA signal wires.  And similar to… Read more »