Mitsubishi QJ71LP21 Reference Manual page 12

7.6 Reserved Station Function ..................................................................................................................... 7-17
7.7 Interrupt Settings..................................................................................................................................... 7-18
7.8 I/O Assignment Function ........................................................................................................................ 7-19
7.9 Stopping/Restarting the Cyclic Transmission and Stopping Link Refreshing (Network Test) ............. 7-20
7.10 Multiplexed remote master function (QnPHCPU only) ........................................................................ 7-21
7.11 Multiplexed remote master function for redundant system (QnPRHCPU only).................................. 7-36
7.11.1 Backup function of master operation on system switching between control system and
standby system................................................................................................................................ 7-37
7.11.2 Master operation by the station that has started up as the control system ................................. 7-38
7.11.3 System switching request function of control system ................................................................... 7-39
7.11.4 Access function by specifying either the control system or standby system ............................... 7-41
7.12 Remote password ................................................................................................................................. 7-42
8 TROUBLESHOOTING
8.1 Network Diagnostics (Network Monitor)................................................................................................. 8- 2
8.1.1 Host information ............................................................................................................................... 8- 4
8.1.2 Other station information.................................................................................................................. 8- 6
8.1.3 Network monitor details ................................................................................................................... 8- 8
8.1.4 Error history monitor......................................................................................................................... 8-11
8.2 Troubleshooting ...................................................................................................................................... 8-14
8.2.1 Items to be checked first .................................................................................................................. 8-20
8.2.2 When data link cannot be executed on the entire system.............................................................. 8-20
8.2.3 When data link is disabled because of reset or power off of each station ..................................... 8-21
8.2.4 When a specific-station's data link cannot be executed ................................................................. 8-21
8.2.5 When the transmission and reception data are abnormal.............................................................. 8-22
8.2.6 When the dedicated link instruction is not completed..................................................................... 8-22
8.2.7 When a multiplexed remote I/O network for the redundant system does not operate normally ... 8-23
8.2.8 When checking for reversely inserted fiber-optic cables online ..................................................... 8-24
8.3 Error Codes ............................................................................................................................................. 8-26
8.3.1 MELSECNET/H error code list ........................................................................................................ 8-26
8.3.2 Error codes corresponding to CPU module detected on remote I/O station ................................. 8-38
8.4 H/W Information .................................................................................................................................... 8-156
APPENDIX
Appendix 1 Precautions when Changing Over from a MELSECNET/10 Remote I/O Network to
a MELSECNET/H Remote I/O Network................................................................................App- 1
Appendix 2 Link Special Relay (SB) List ..................................................................................................App- 3
Appendix 3 Link Special Register (SW) List.............................................................................................App-11
Appendix 4 Special Relay (SM) for Remote I/O Modules List.................................................................App-28
Appendix 5 Special Register (SD) for Remote I/O Module List...............................................................App-31
Appendix 6 Discontinued Models that can be Mounted on Remote I/O Stations...................................App-43
Appendix 7 External Dimensions..............................................................................................................App-44
INEDX
A - 10
8- 1 to 8-157
App- 1 to App-48
Index- 1 to Index- 2
A - 10