A - 8 A - 8
11 TROUBLESHOOTING 11- 1 to 11-42
11.1 How to Check Errors Using LED Displays................................ ................................................. 11- 2
11.1.1 Checking error display................................. ........................................................................ 11- 2
11.1.2 How to turn off COM.ERR LED and to read/clear error information.......... ..........................11- 4
11.2 How to Check an Error Through FX Configurator-EN-L ............................................................ 11- 6
11.2.1 Buffer memory that can be monitored with the FX Configurator-EN-L diagnostic function.. 11- 7
11.2.2 Ethernet diagnostics ............................................................................................................ 11- 9
11.3 Checking the error information by the buffer memory batch monitoring function ......................11-10
11.4 Error Code List.................................................................................... .......................................11-11
11.4.1 Type of error incident................................................................. ..........................................11-11
11.4.2 End codes (Complete codes) returned to an external device during data communication..11-17
11.4.3 Abnormal codes returned during communication using MC protocol ..................................11-18
11.4.4 Error codes stored in the buffer memory ............................................................................. 11-19
11.5 Troubleshooting Flowchart......................................................................................................... 11-32
11.5.1 Sending errors during fixed buffer communication
(common to procedure exist and no procedure).................................................................. 11-35
11.5.2 Receiving errors during fixed buffer communication
(common to procedure exist and no procedure).................................................................. 11-37
11.5.3 Errors in communication using MC protocol.......... .............................................................. 11-40
11.5.4 Sending errors during e-mail communication ...................................................................... 11-42
APPENDIX App- 1 to App-26
Appendix 1 Processing Time..................... ......................................................................................App- 1
Appendix 2 ASCII Code List ............................................................................................................App- 4
Appendix 3 References.................................................................................................................... App- 4
Appendix 4 Program Examples .......................................................................................................App- 5
Appendix 4.1 Program example for communication using MC protocol -1................................... App- 6
Appendix 4.2 Program example for communication using MC protocol -2................................... App-14
Appendix 5 Differences between the Ethernet and the IEEE802.3 .................................................App-19
Appendix 6 ICMP Protocol Supported by the Ethernet Module........................... ............................App-19
Appendix 7 Setting Value Recording Sheets.............................................. .....................................App-20
Appendix 8 Versioin Information................................................. .....................................................App-25