A - 7                        A - 7
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 Ind-  1 to Ind-  2