Omron CJ1W-DRM21 - Page 17

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CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
CONTENTS
9-3 Troubleshooting..................................................................................................................... 9-32
9-3-1 CPU Unit's ERR/ALM Indicator Lit or Flashing ......................................................................... 9-32
9-3-2 Remote I/O Communications Disabled..................................................................................... 9-32
9-3-3 I/O Link Problems ..................................................................................................................... 9-33
9-3-4 Communications Error Operation Settings ............................................................................... 9-34
9-3-5 Scan List Problems................................................................................................................... 9-34
9-4 Event Logs ............................................................................................................................. 9-35
9-4-1 Overview of the Event Logs...................................................................................................... 9-35
9-4-2 Error Table ................................................................................................................................ 9-36
9-4-3 Error Descriptions..................................................................................................................... 9-41
9-5 Maintenance and Replacement ............................................................................................ 9-60
9-5-1 Cleaning.................................................................................................................................... 9-60
9-5-2 Inspection ................................................................................................................................. 9-60
9-5-3 Replacing Faulty Units .............................................................................................................. 9-61
Appendices
A-1 Differences in Available Functions Depending on the CPU Unit (NJ or CJ Series) ..........A-2
A-1-1 Functional Differences ................................................................................................................A-2
A-1-2 Differences in Accessing from User Program............................................................................. A-2
A-2 DeviceNet Connections ........................................................................................................A-35
A-3 DeviceNet Explicit Message Send Command for Other Manufacturer Nodes.................A-41
A-3-1 Explicit Message Send (2801).................................................................................................. A-41
A-4 Multi-vendor Applications ....................................................................................................A-43
Index
Index ................................................................................................Index-2