OPC 是基于Microsoft 公司的Distributed Internet Application （DNA）构

架和Component Object Model （COM）技术的，根据易于扩展性而设计的。OPC 规范定义

了一个工业标准接口，这个标准使得COM 技术适用于过程控制和制造自动化等应用领域。

OPC 是以OLE/COM 机制作为应用程序的通讯标准。-OPC is based on Microsoft' s Distributed Internet Application (DNA) architecture and the Component Object Model (COM) technology, according to ease of scalability designed. OPC specification defines a industry-standard interface, this standard allows COM technology applied to process control and manufacturing automation applications. OPC is based on OLE/COM application mechanism as a communication standard.