OPC客户端订阅式数据采集的实现和研究

Realization and research of OPC data acquisition client via subscription

简要介绍了OPC技术原理及其结构,然后对OPC客户端和服务器通信的三种方式进行论述并进行比较。然后针对工业控制的实际情况,讨论了OPC服务器的订阅式数据采集的设计和实现。

The principle and structure of OPC technology are briefly introduced. Then ,three different modes of OPC client＇s communicating with OPC server are summarized. The design and the realization of OPC subscription server type of data acquisition are discussed.