Siemens SIMATIC Distributed I/O ET 200eco PN Operating Instructions Manual page 78

Maintenance interrupts
The following maintenance interrupts are available for the ET 200eco PN:
• Sync mismatch (no synchronization)
• Jitter out of Boundary (jitter too high)
• Frame dropped (frames are discarded)
• I/O error (with IO-Link devices)
System alarms in STEP 7
The maintenance information is generated in STEP 7 with the following system alarms:
• Maintenance required, identified by a yellow wrench icon at the relevant port.
See also
For additional information, refer to the SIMATIC PROFINET system description
(http://support.automation.siemens.com/WW/view/en/19292127) System Manual and the
Migration from PROFIBUS DP to PROFINET IO
(http://support.automation.siemens.com/WW/view/en/19289930) Programming Manual.
ET 200eco PN
Operating Instructions, 06/2022, A5E01250250-AN
Interrupt, error, and system messages
7.2 Maintenance interrupts
79