SPS Drives 2008 Report: IO-Link

I’ve previously described IO-Link as HART for discrete.  IO-Link was widely displayed at this year’s show.  For more explanation, how it fits with PROFIBUS and PROFINET, reports, photos, and video, click here.

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News from Nuremberg

There were plenty of press releases pronounced in press conferences at the SPS Drives Show, but the real news was what was waiting to be discovered in conversation in the aisles and booths.  We’ll see how long I stay awake here on the flight home to set down what I learned. PROFINET chips.  Siemens says…

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IO-Link, HART for discrete?

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 HART, you can use an IO-Link device in a standard system and a non-IO-Link device…

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