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 Communications Coupler Unit.
Refer to the user’s manual for the connected Communications Coupler Unit for details on the
amount of event logs that are stored in the Unit.
Refer to the NJ-series Troubleshooting Manual (Cat. No. W503) and the Sysmac Studio Version 1
Operation Manual (Cat. No. W504) for the items that you can check and the procedures to check for
errors.
Refer to 9-3-2 Event Codes and Corrections for Errors on page 9-7 for details on event codes.
Log of Past Errors