摘要
本文介绍了OPC数据存取服务器的自动化接口,并提供详细的源代码,说明VisualBasic如何实现这些接口。采用文中的技术,可编写软件与DCS、SCADA、PLC等自动化系统交换实时数据。
This paper introduces the automation interface of OPC Data Access server,and present the source code in detail to explain how to realize those interface by utilizing Visual Basic.You can make use of the technolo-g y of this article to write code exchang ing the process data with the automatic system such as DCS,SCADA,PLC,etc.
出处
《工业控制计算机》
2003年第6期31-33,共3页
Industrial Control Computer
