12-3
Checking for Errors with the Sysmac
Studio
Error management on the NX Series is based on the methods used for the NJ/NX-series Controllers.
This allows you to use the Sysmac Studio to check the meanings of errors and troubleshooting proce-
dures.
12-3-1
Checking for Errors from the Sysmac Studio
When an error occurs, you can place the Sysmac Studio online to the Controller or the Communica-
tions Coupler Unit to check current Controller errors and the log of past Controller errors.
Refer to the user’s manual for the connected NX bus master for information on checking errors.
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 er-
rors in each Unit.
Unit Number of simultaneous errors
Safety CPU Unit NX-SL3300 / NX-SL3500: 32
NX-SL5500
/
NX-SL5700: 64
Safety I/O Units 16
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. The errors that occur be-
yond this limit are not reported.
Errors that are not reported are still shown in the error status.
Log of Past Errors
You can check the following information on past errors on the Controller Event Log T
ab Page in the
Sysmac Studio: times, levels, sources, source details, event names, event codes, details, attached
information 1 through 4, and corrections.
12 Troubleshooting
12 - 14
NX-series Safety Control Unit User's Manual (Z930)
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