Omron NX Series User Manual page 114

5 Troubleshooting
Current Errors
Open the Sysmac Studio's Controller Error Tab Page to check the current error's level, source,
source details, event name, event codes, details, attached information 1 to 4, and correction.
Errors in the observation level are not displayed.
Additional Information
Number of Current Errors
The following table gives the number of errors that are reported simultaneously as current
errors in each Unit.
EtherCAT Coupler Unit
System Units
If the number of errors exceeds the maximum number of reportable current errors, errors are
reported with a priority given to the oldest and highest-level errors. Errors that exceed the limit
on simultaneous error notifications are not reported.
Errors that are not reported are still reflected in the error status.
Log of Past Errors
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.
Additional Information
Number of Logs of Past Errors
Each event log can contain the following number of records. If the number of events exceeds
the following number of records, the oldest events are overwritten.
Event logs in the Digital I/O Units are stored in the EtherCAT Coupler Unit.
Event log category
System event log
Access event log
5 - 6
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Unit
128 errors
Since current errors are managed in the Communications Coupler
Unit, the number of current errors is limited by the number of
errors for the Communications Coupler Unit.
EtherCAT Coupler Unit
Total: 128 events
Total: 32 events
Number of simultaneous error notifications
Types of Units
NX-series System Unit User's Manual (W523)
System Units