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- MODBUS通信程序.可用于学习施耐得PLC通信、现在国产好多RTU都用MODBUS协议-MODBUS communications procedures. Learning can be used Shi able to endure PLC communications, now many domestic MODBUS RTU using agreement
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- 用VB实现的Client,实现S7—PLC和计算机通信,遵照OPC协议实现-Using VB to achieve the Client, the realization of S7- PLC and computer communication, according to the OPC protocol implementation
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- 西门子 通信程序 vb与西门子PLc通讯程序源码()