Industrial Communications
IO-Link
A point-to-point digital communication system for sensors and actuators.
IN ONE SENTENCE
It lets a compatible field device exchange measurements, diagnostics and configuration with an IO-Link master.
In normal English
Unlike a conventional switch or analogue sensor, an IO-Link device can identify itself, report detailed status and accept parameter changes while still using familiar industrial cabling.
Why would I use it?
Use it when you want smarter devices without putting a full industrial Ethernet interface on every sensor.
THINK OF IT LIKE…
A conventional sensor sends a postcard; IO-Link lets you have a conversation.
Related terms
IO-Link Master, M12, PLC, PROFINET
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