摘要： 针对现代自动化控制软件的发展特点,介绍了开放软件通信标准OPC协议的技术的应用背景、特点及应用前景,和其它通信标准进行了比较,剖析了OPC软件的类型、结构及功能。最后列举了OPC技术的一个实际应用。

关键词: OLE, COM/DCOM, OPC, 接口/对象

Abstract: According to the development character of controlling software at present, this paper introduces the background , character and application prospect of OPC technology which is the standard of opening soft ware communication standard. It compares OPC with other communication standards, analyzes the types , structure and function of OPC software. At last it gives an example of practical OPC application.

中图分类号: 

• TP273.5