A - 9                                                A - 9
7  DATA COMMUNICATION USING THE BIDIRECTIONAL PROTOCOL 7- 1 to 7-28
7.1  Data Reception from the External Device..............................................................................................7-  2
7.1.1  Receiving methods...........................................................................................................................7-  2
7.1.2  Arrangement and contents of the receive area and the receive data ............................................7-  4
7.1.3  Sequence program for data reception.............................................................................................7-10
7.1.4  How to detect reception errors.........................................................................................................7-13
7.1.5  Receive data clear............................................................................................................................7-14
7.2  Sending Data to the External Device .....................................................................................................7-15
7.2.1  Transmission methods.....................................................................................................................7-15
7.2.2  Arrangement and contents of the transmission area and the transmission data........................... 7-16
7.2.3  Sequence program for data transmission .......................................................................................7-19
7.2.4  How to detect transmission errors...................................................................................................7-22
7.3  Processing when Simultaneous Transmission Performed During Full-Duplex Communications .......7-24
7.3.1  Processing when simultaneous transmissions occur .....................................................................7-24
7.3.2  Communication data processing when simultaneous transmissions occur................................... 7-25
7.4  Data Communications Precautions........................................................................................................7-27
8  UTILITY PACKAGE (GX CONFIGURATOR-SC) 8- 1 to 8-51
8.1  Functions Available with Utility Package................................................................................................ 8-  2
8.2  Installing and Uninstalling Utility Package..............................................................................................8-  3
8.2.1  Usage precautions ...........................................................................................................................8-  3
8.2.2  Operating environment.....................................................................................................................8-  5
8.3  Explanation of Utility Package Operation...............................................................................................8-  6
8.3.1  Operation overview ..........................................................................................................................8-  6
8.3.2  Starting the intelligent function module utility
(displaying the [select parameter setting module] screen)........................................................................8-10
8.3.3  Performing common utility operations.............................................................................................8-13
8.4  System Registration to Flash ROM........................................................................................................8-16
8.4.1  User frame registration.....................................................................................................................8-18
8.4.2  Data for modem initialization registration ........................................................................................8-19
8.4.3  Data for modem connection registration .........................................................................................8-20
8.4.4  Modem function system setting/registration.................................................................................... 8-21
8.4.5  Transmission control and others system setting.............................................................................8-22
8.4.6  MC protocol system setting..............................................................................................................8-24
8.4.7  Non procedure system setting.........................................................................................................8-25
8.4.8  Bidirectional system setting .............................................................................................................8-26
8.4.9  PLC CPU monitoring system setting...............................................................................................8-27
8.4.10  Transmission user frame No. designation system setting............................................................8-29
8.4.11  Resetting the buffer memory/flash ROM setting values to the default values............................. 8-30
8.4.12  Flash ROM write allow/prohibit setting..........................................................................................8-30
8.5  Auto Refresh Setting...............................................................................................................................8-31
8.6  Monitor/Test ............................................................................................................................................8-32
8.6.1  X · Y monitor/test..............................................................................................................................8-33
8.6.2  Modem function monitor/test ...........................................................................................................8-34
8.6.3  Transmission control and others monitor/test .................................................................................8-37
8.6.4  MC protocol monitor.........................................................................................................................8-39