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7 Troubleshooting and Maintenance
7-12
CJ-series PROFINET IO Controller Unit Operation Manual for NJ-series CPU Unit (W511)
Missing IO Devices will be marked will be marked Red. IO Devices that signalled an alarm will be
Yellow. The standard PROFINET alarms are implemented:
•
Pull Module
•
Plug Module
•
Plug Wrong Module
•
Other
When the type of Alarm is Other then additional information can be found in the Description and the
Manufacturer Specific Data (Raw) fields.
The additional information can be copied to the Clipboard for further analysis. When selecting an IO
Device either in the New Alarms & data Exchange Active Flags or the Selected IO Device area will
show the last known alarm of the IO Device. It does not necessarily mean that the alarm is still
active. If a IO Device has an active alarm that this will be displayed in the color of the IO Device (Yel-
low).
Alarms can be acknowledged with the Clear new Alarm Flags button.
Error History
The Error History item is reading the Error Log in the IO Controller. The IO Controller stores up to 30
errors in its Error Log. Information on the errors logged can be found in the list of errors. Below the
Error Log View is displayed.
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