Meng Zhang
Abstract
Based on the principle of OPC(OLE for Process Control),the paper introduces a communication method between VC and first class automation system through WinCC,especially the set method of WinCC as the server of OPC,and the code structure using VC to program the end users.
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Based on the principle of OPC(OLE for Process Control),the paper introduces a communication method between VC and first class automation system through WinCC,especially the set method of WinCC as the server of OPC,and the code structure using VC to program the end users.
Key concepts: OPC Data Access, Operating system, Computer science, Automation, Embedded system, Process (computing), Set (abstract data type), Programming language