【摘要】 OPC规范是由OPC基金会制定的一个工业标准,它规范了过程控制和自动化软件与工业现场设备之间的接口。简要介绍了OPC技术的产生,OPC标准的技术规范以及采用OPC规范设计系统的益处并概述了它在国内外的主要应用领域,对OPC技术在应用中的主要作用也有相应的分析。OPC代表了今后一段时间内过程控制系统通信标准的发展方向。更多还原

【Abstract】 The OPC specification deals with an industrial standard formulated by the OPC foundation.It provides a standard interface for use with process control,automatic software and industrial devices.This paper gives an overview about the appearance of the OPC technology,the specifications of the OPC standard and the benefit when you use the OPC specification to design a control system.The paper also makes mention of its main domestic and foreign application fields,and analyses the main function in the application of the OPC technology.OPC represents the developing direction of the communication standard in process control systems.更多还原