摘要
主要通过Visual C++实现了上位机与下位机之间的OPC通讯,概述了OPC com组件的功能及其应用。
This paper mainly introduced how to implement the OPC communication between Industrial PC and S7 300 under Visual C++. It also referred to the function and application of the OPC com component.
出处
《信息通信》
2015年第8期46-47,共2页
Information & Communications