OPC DA 2.04 This specification is the specification of the interface for developers of OPC Data Access clients and OPC servers.. The specification is a result of an analysis and design process to develop a standard interface to facilitate the develo
OPC(OLE for Process Control,用于过程控制的OLE)是一个工业标准,它定义一个开放的接口,在这个接口上,基于PC的软件组件能交换数据。在工控软件开发过程中,经常遇到需要和plc进行数据交换的情况,以罗克韦尔plc的数据枢纽软件rslinx为opc服务器,通过c#编程语言,利用opc接口开发一套可以与slinx进行数据交换的通信程序,从而可以实现软件与plc之间的数据交换。
三菱opc的运用 The MELSEC OPC Server is an application designed to operate with Microsoft Windows 2000/NT/98/95 as an OPC local/ remote server for OPC Data Access2.0. And it is designed for use with the MELSEC- OPC Server provides MELSEC communication se