OPC技术实现涵闸监控远程数据采集研究

The Research of Data Collection Based on OPC Technology in Remote and Distributed Control System of Yellow River for Sluice

介绍了OPC数据访问规范,讨论了OPC数据访问的基本构架,给出了WinCC环境下基于VB实现OPCDA客户访问OPC服务器的方法及详细步骤。

The paper introduces the OPC data access specification, and discusses the OPC basic frame work. The author gives out the detailed procedures to realize data access of DA Client to OPC Server using Visual Basic.