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7-1
CJ-series PROFINET IO Controller Unit Operation Manual for NJ-series CPU Unit (W511)
7
This section describes error processing, periodic maintenance operations, and trouble-
shooting procedures needed to keep the PROFINET network operating properly. We
recommend reading through the error processing procedures before operation so that
operating errors can be identified and corrected quickly.
7-1 Troubleshooting with the PROFINET IO Controller Unit Indicators . . . . . 7-2
7-1-1
Determining Operating Status from the Indicators . . . . . . . . . . . . . . . . . . . . . . 7-2
7-1-2
Troubleshooting Errors Occurring in the PROFINET IO Controller Unit . . . . . 7-3
7-2 Troubleshooting the Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
7-2-1
Troubleshooting Parameter Download . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
7-2-2
Troubleshooting the Network using CX-ConfiguratorFDT . . . . . . . . . . . . . . . . 7-9
7-2-3
CPU Unit’s ERR/ALM Indicator Lit or Flashing . . . . . . . . . . . . . . . . . . . . . . . 7-13
7-3 Event Logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-14
7-3-1
Overview of the Event Logs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-14
7-3-2
Error Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-14
7-3-3
Error Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-16
7-4 Maintenance and Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-21
7-4-1
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-21
7-4-2
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-21
7-4-3
Replacing Faulty Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-22
7-4-4
Addition/Replacement of Units on the PROFINET Network . . . . . . . . . . . . . 7-23
Troubleshooting and Maintenance