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5 Operation
CJ-series PROFIBUS Master Unit Operation Manual for NJ-series CPU Unit (W509)
5-7 Monitoring the Network
5
5-7-3 Using the Error Log
Reading the Error Log
The Error Log can now be retrieved from the Unit, and displayed through the CJ1W-PRM21 Master
DTM Diagnosis User Interface. To retrieve and view the Unit’s Error Log,
1
Open the CJ1W-PRM21 Master DTM Diagnosis User Interface.
2
Select the Monitor - Error History tab.
3
If the Automatic checkbox in the Refresh box has not been selected, press the Manual button to
retrieve the Error Log contents from the Unit.
As an example, the contents of the Error Log as it is displayed is shown in the figure below. In this
case a Hardware Error has been detected on the PROFIBUS network.
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