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
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