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 .................................................................................................................. 8-19

8.2.2 When data link cannot be executed on the entire system .............................................................. 8-19

8.2.3 When data link is disabled because of reset or power off of each station ..................................... 8-20

8.2.4 When a specific-station's data link cannot be executed ................................................................. 8-20

8.2.5 When the transmission and reception data are abnormal.............................................................. 8-21

8.2.6 When the dedicated link instruction is not completed..................................................................... 8-21

8.2.7 When a multiplexed remote I/O network for the redundant system does not operate normally ... 8-22

8.3 Error Codes ............................................................................................................................................. 8-23

8.3.1 MELSECNET/H error code list ........................................................................................................ 8-23

8.3.2 Error codes corresponding to CPU module detected on remote I/O station.................................. 8-34

8.4 H/W Information ...................................................................................................................................... 8-96

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-27

Appendix 5 Special Register (SD) for Remote I/O Module List...............................................................App-29

Appendix 6 Discontinued Models that can be Mounted on Remote I/O Stations...................................App-40

Appendix 7 External Dimensions..............................................................................................................App-41

INEDX

A - 10

8- 1 to 8-97