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S7-1200 Winsock communications

Path in start/run, type regsvr32 mswinsck.ocxRegistering a WINSOCK control, but in order to run this program (the PC communicates with the controller via WINSOCK. exe)This communication requires bilateral programming interface, call TSEND_C/TRCV_C in your S7-1200 program sends the data received, ref...

VB MODBUS RTU test cases

VB  MODBUS RTU test case support 03 and 10 of Directive, there is full read/write capabilities in closed subroutine and CRC checking program is tested on XP VB6.0...

MODBUS RTU instrument written in VB Newsletter sample

With VB prepared of and take Modbus RTU agreement communications of instrument directly communications of code, containing read and wrote, first first to set about communications serial and instrument of communications address then open communications switch, open Hou on can directly from instrument...

计量管理软件,串口通讯,不可多得的称重软件完全源代码,下载即可使用!...

Measurement of management software, serial communications, rare totally weighing software source code, you can use to download!...

用于GPRS无线通讯的TCP/IP程序,能支持100个远程测控终端。

GPRS wireless communications for the TCP/IP procedures, can support 100 Remote Terminal....

Class module communicate between Siemens S7200 and VB

This is a vb class module that communicates with s7200PLC free, can be directly used for my own work. It uses the means of communication is free port communication technology of Siemens PLC. Good performance in engineering development and hope for their valuable comments....

Mitsubishi FX series PLC communication and VB programming port source code

Mitsubishi FX series PLC programming port communication and VB source code, suitable for serial communication, you can make reasonable for PLC control, can freely change the VB source code, use VB6.0 to write....

VB serial debugging source code

VB serial debugging assistant source code, by learning this simple example to promote in-depth understanding of VB programming interface, can also have a general understanding of serial communication, for the preparation of serial communication program in the future, it is important to know the mean...

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