IO-Link Protocol


The IO-Link protocol is a point-to-point serial communication protocol which is commonly used for sensor and actuator communication in an industrial environment.

Packet Types

Process Data

Process data is sent every communication cycle (typically 2ms).

Service Data

Service data is used to send large amounts of non-periodic data at the request of the receipient. 


Events are unsolicited messages that convey information such as alarm status or info.

Posted: April 22nd, 2015 at 5:18 pm
Last Updated on: July 5th, 2017 at 12:18 pm

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