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VisualBasic.rar
- VB连接S7 200 PLC的PC ACCESS服务器的OPC源码，很详细,VB to connect the S7 200 PLC
prodave5.6
- 开发S7-300/400与第三方软件串口通讯软件！对自行开发上位机工控软件者是非常难得的好资料！网上很难找的！万勿错过！-Development S7-300/400 with third-party software serial communication software! Pairs of self-developed Host Computer Control Software It is very rare good information! Very difficult to fi
opc6
- s7-200与组态王的OPC连接,连接速度特快-s7-200 with Kingview OPC connectivity, connection speeds Express
SiemensS7-200communicationset-upprocess
- 西门子S7-200 与opc软件KEPServerEx的 通讯设置过程-Siemens S7-200 communication set-up process
200PLC
- w95_s7.dll是西门子300与VB通迅的一个DLL文件有了它就可以实现无OPC通讯方式 -w95_s7.dll Siemens 300 communication with VB with a DLL file it can be achieved without OPC communication