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7 PROGRAMMING WHEN EXECUTING THE MASTER FUNCTION 7- 1 to 7- 12
7.1 Precautions on Programming.................................................................................................................. 7- 1
7.2 System Configuration............................................................................................................................... 7- 2
7.3 Setting Parameters .................................................................................................................................. 7- 4
7.3.1 Parameter settings using the sequence program ............................................................................7- 4
7.3.2 Creating parameters using auto configuration ................................................................................. 7- 6
7.3.3 Saving parameters in flash ROM...................................................................................................... 7- 6
7.4 I/O Communication with Slave Nodes..................................................................................................... 7- 7
7.5 Performing Message Communication.....................................................................................................7- 8
7.5.1 Example of message communication read ...................................................................................... 7- 8
7.5.2 Example of message communication write...................................................................................... 7- 9
7.6 Obtaining Error Information ....................................................................................................................7- 10
7.7 Allocating Transmission/Reception Data Storage Devices for Future Expansion................................ 7- 11
8 PROGRAMMING WHEN EXECUTING THE SLAVE FUNCTION 8- 1 to 8- 4
8.1 System Configuration............................................................................................................................... 8- 1
8.2 Setting Parameters Using the Sequence Program................................................................................. 8- 2
8.3 I/O Communication with the Master Node ..............................................................................................8- 3
8.4 Obtaining Error Information .....................................................................................................................8- 4
9 TROUBLESHOOTING 9- 1 to 9- 12
9.1 Items to Check When an Error Occurs ...................................................................................................9- 2
9.1.1 Checking the LEDs ...........................................................................................................................9- 2
9.1.2 When communication with all slave nodes cannot be performed (using the master function) ......9- 3
9.1.3 When communication with a specific slave node cannot be performed
(using the master function)................................................................................................................ 9- 4
9.1.4 When communication with the master node cannot be performed (using the slave function)....... 9- 5
9.2 Error Codes ..............................................................................................................................................9- 6
9.2.1 Communication error codes..............................................................................................................9- 6
9.2.2 Execution error codes of message communication (using the master function only) .................... 9- 9
9.3 Verifying the QJ71DN91 Status on the GX Developer System Monitor ...............................................9- 11
APPENDIX App- 1 to App- 7
Appendix 1 External Dimension Diagram .................................................................................................App- 1
Appendix 2 Differences between the QJ71DN91 and the AJ71DN91/A1SJ71DN91 .............................App- 2
Appendix 3 Parameter Setting Sheet (For the Master Function) .............................................................App- 3
Appendix 4 Parameter Setting Sheet (For the Slave Function) ...............................................................App- 4
Appendix 5 List of Communication Parameters of Slave Nodes Manufactured by Various
Manufacturers .........................................................................................................................App- 5
Appendix 6 EDS File of the QJ71DN91 ....................................................................................................App- 6
INDEX Index- 1 to Index- 2