【摘要】 介绍了OPC技术及典型的OPC应用程序架构,分析了自动化接口的通讯原理,论述了OPC客户端软件的开发过程。最后指出不断完善的OPC技术代表了过程控制系统通信标准的发展方向。更多还原

【Abstract】 This paper introduces the OPC technology, and the typical frame of OPC application program. The communication principle of the automatic interface is also introduced. It is pointed out that OPC technology will be the direction of the development of communication standard for process control.更多还原