FX3U-ENET-L USER'S MANUAL - Automation Systems and Controls

11 TROUBLESHOOTING 11- 1 to 11-4211.1 How to Check Errors Using LED Displays ................................................................................. 11- 211.1.1 Checking error display ......................................................................................................... 11- 211.1.2 How to turn off COM.ERR LED and to read/clear error information .................................... 11- 411.2 How to Check an Error Through FX Configurator-EN-L ............................................................ 11- 611.2.1 Buffer memory that can be monitored with the FX Configurator-EN-L diagnostic function.. 11- 711.2.2 Ethernet diagnostics ............................................................................................................ 11- 911.3 Checking the error information by the buffer memory batch monitoring function ...................... 11-1011.4 Error Code List........................................................................................................................... 11-1111.4.1 Type of error incident ........................................................................................................... 11-1111.4.2 End codes (Complete codes) returned to an external device during data communication.. 11-1711.4.3 Abnormal codes returned during communication using MC protocol .................................. 11-1811.4.4 Error codes stored in the buffer memory ............................................................................. 11-1911.5 Troubleshooting Flowchart......................................................................................................... 11-3211.5.1 Sending errors during fixed buffer communication(common to procedure exist and no procedure).................................................................. 11-3511.5.2 Receiving errors during fixed buffer communication(common to procedure exist and no procedure).................................................................. 11-3711.5.3 Errors in communication using MC protocol ........................................................................ 11-4011.5.4 Sending errors during e-mail communication ...................................................................... 11-42APPENDIXApp- 1 to App-26Appendix 1 Processing Time ...........................................................................................................App- 1Appendix 2 ASCII Code List ............................................................................................................App- 4Appendix 3 References....................................................................................................................App- 4Appendix 4 Program Examples .......................................................................................................App- 5Appendix 4.1 Program example for communication using MC protocol -1 ...................................App- 6Appendix 4.2 Program example for communication using MC protocol -2 ...................................App-14Appendix 5 Differences between the Ethernet and the IEEE802.3 .................................................App-19Appendix 6 ICMP Protocol Supported by the Ethernet Module .......................................................App-19Appendix 7 Setting Value Recording Sheets ...................................................................................App-20Appendix 8 Versioin Information ......................................................................................................App-25A - 8 A - 8