Mitsubishi MELSEC-F User Manual page 10

11 TROUBLESHOOTING
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 (GX Developer) ............................................. 11- 6
11.2.1 Buffer memory that can be monitored with the FX Configurator-EN (GX Developer)
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........ 11-19
11.4.3 Abnormal codes returned during communication using MC protocol ......................................... 11-20
11.4.4 Error codes stored in the buffer memory...................................................................................... 11-21
11.5 Troubleshooting Flowchart .................................................................................................................. 11-34
11.5.1 Sending errors during fixed buffer communication
(common to procedure exist and no procedure)......................................................................... 11-37
11.5.2 Receiving errors during fixed buffer communication
(common to procedure exist and no procedure)......................................................................... 11-39
11.5.3 Errors in communication using MC protocol ................................................................................ 11-42
11.5.4 Sending errors during e-mail communication .............................................................................. 11-44
11.5.5 Receiving errors during e-mail communication............................................................................ 11-45
APPENDIX
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 of 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
A - 8
11- 1 to 11-45
App- 1 to App-25
A - 8