过程控制中的一种新技术OPC

A New Technology of Process Control─—OPC

详细介绍了过程控制中的一种新技术OPC（OLEforprocesscontrol）产生的背景、机理、标准和应用前景。它采用了客户-服务器模型，只要客户程序带有OPC接口，便可从不同开发商提供的OPC服务器中存取数据，而无需修改客户程序。从而大大提高了工作效率，具有广阔的应用前景。

A new technology of process control-OPC in detril is introduced, including the background of creating,mechanism, standard and applicaion foreground. The architecture of OPC is a client-server model, and the client can access data from servers provided by different OPC vendors if it has OPC interface. It is unwanted for the client to modify application program. Thus the work efficiency is greatly improved, and it is attractive in future application.