SCADA新技术──OPC研究

本文简要介绍了OPC产生的背景及优点，对OPC接口程序结构体系进行了简单介绍。详细介绍OPC客户／服务器程序之间的接口，且给出了连接到服务器的示例代码。

This paper introduce a new technology in SCADA application. It describes the background and advantages of OPC, Give a gencral method to design OPC based program.Detailed interface between OPC client and OPC server is also given.