Introduction - If you have any usage issues, please Google them yourself
OPC is Microsoft's Object Linking and Embedding OLE/COM technology in the process control The application of the system for industrial control areas of the standard data access mechanism. OPC client/server architecture to provide two sets of interface programs, respectively COM interface and OLE Automation interface. COM Interface high efficiency, through which customers can play the best OPC server performance, C language clients generally use this program
Packet : 73462698opcinterface.rar filelist
OPC接口技术在工业控制中的应用.pdf