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Mitsubishi QJ71LP21 User Manual

Mitsubishi QJ71LP21
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A - 10 A - 10
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 to 8-157
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 App- 1 to App-48
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 Index- 1 to Index- 2

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Mitsubishi QJ71LP21 Specifications

General IconGeneral
BrandMitsubishi
ModelQJ71LP21
CategoryController
LanguageEnglish

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