9 Troubleshooting
9 - 6
NX-series Digital I/O Unit User’s Manual (W521)
Open the Sysmac Studio's Controller Event Log Tab Page to check the times, levels, sources, source
details, event names, event codes, details, attached information 1 to 4, and corrections for previous
errors.
Number of Logs of Past Errors
Event logs in the Digital I/O Units are stored in the CPU Unit or Communications Coupler Unit
to which they are connected.
Refer to the user’s manual for the connected CPU Unit or Communications Coupler Unit for
details on the amount of event logs that are stored in the Unit.
Refer to the troubleshooting manual for the connected CPU Unit or Industrial PC and the Sysmac Stu-
dio Version 1 Operation Manual (Cat. No. W504) for the items that you can check and the procedures
to check for errors.
Refer to 9-3-3 Event Codes and Corrections for Errors on page 9-7 for details on event codes.
You can check the error descriptions and logs with Support Software other than the Sysmac Studio. For
the error checking methods, refer to the user’s manual for the connected Communications Coupler Unit
and the operation manual for the Support Software.
Refer to 9-3-3 Event Codes and Corrections for Errors on page 9-7 for details on event codes.
The number of current errors and the number of error log errors that occurred in the past in the Digital
I/O Units are the same as for the Sysmac Studio.
Log of Past Errors
9-3-2 Checking for Errors from Support Software Other Than the Sys-
mac Studio
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