Rockwell Automation Publication 1734-UM020B-EN-E - August 2019 59
Appendix
B
Supported IO-Link Master Events
About This Appendix
This appendix provides information about events that are defined in the IO Link
master stack. This appendix also shows where the most recent events are viewable
in the Controller Tags view of the Studio 5000 program.
IO-Link Master
Module Events
IO-Link events can be accessed through Explicit Messaging by querying the
Events attribute of an IO-Link Module object. This attribute contains a list of
events logged from the IO-Link channel. The 25 most recent events can be
viewed by querying that attribute. See the following guide for more information.
Querying the Events from the master to view 25 most recent events
Class: 0x3A2 hex
Service: 0E hex
Instance: refers to channel number and can be from 0 to 3
Attribute: 15 decimal or 0F hex
Structure of the Returned Data
Name Data Type Description of Attribute
IO-Link Events Array of Struct Events from IO-Link Device (Remote) or Master (Local)
Sequence Count USINT Count value assigned to each event (refer to sequence
count section)
Event Qualifier BYTE Type, mode, and source of the Event (refer to event
qualifier table)
Event Code UINT The identifier of an actual Event (refer to event code table)
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