106 Rockwell Automation Publication 5032-UM001A-EN-P - April 2023
Appendix C IO-Link Master Module and IO-Link Device Tag Definitions
IO-Link Device Tags Every type of IO-Link device has a set of common tags. For device-specific IO-Link tags, see
the documentation for that device.
The following types of tags are available:
• Configuration Tags for IO-Link Device
(as indicated by a ‘C’)
• Input Tags for IO-Link Device
(as indicated by an ‘I’)
• Output Tags for IO-Link Device
(as indicated by an ‘O’)
DLRNetworkState SINT The status of the network.
• 0 = Normal
• 1 = Ring Fault
• 2 = Unexpected Loop Detected
• 3 = Partial Network Fault
• 4 = Rapid Fault/Restore Cycle
DLRSupervisorState SINT The status of the network supervisor.
• 0 = Device is functioning as a backup
• 1 = Device is functioning as the active ring supervisor
• 2 = Device is functioning as a normal ring node
• 3 = Device is operating in a non-DLR topology
• 4 = Device cannot support the current ring
parameters (Beacon Interval and Beacon Timeout)
DLREnabled BOOL Indicates if DRL network redundancy mode is enabled.
0 = DLR is not enabled
1 = DLR is enabled
LocalClockOffset LINT
The offset in nanoseconds from the local clock to the
system time.
Use this value to detect steps in time. This value
updates when a PTP update is received.
All values
LocalClockOffsetTimestamp LINT
The most recent time the LocalClockOffset was
sampled.
The initial value is zero and the first time stamp occurs
when the module synchronizes with the master clock.
N/A
GrandMasterClockID SINT[8]
The EUI-64 Identity of the CIP Sync Grandmaster clock
that the module is synced to.
All values
ChxxChyyDiagEvent.EventType USINT Indicates the type of event.
• 1 = Notification
•2 = Warning
•3 = Error
ChxxChyyDiagEvent.EventMode USINT Indicates the event mode.
• 1 = Event single shot
• 2 = Event disappears
• 3 = Event appears
ChxxChyyDiagEvent.EventCode UINT The value that represents the event. All positive values
ChxxChyyDiagEvent.EventTimestamp LINT The time stamp of the event. All positive values
Table 33 - IO-Link Master Module Status Tags (Continued)
Name Data Type Definition Valid Values
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