【摘要】 为了满足工业控制的信息共享,出现了多种网络,这就要求使用者首先选择网络的形式.通过分析工业现场两种典型网络DCS系统与PROFIBUS现场总线,以及新型网络形式(Optima tion全集成自动化网络)的通信原理与通信协议,依据工业现场的要求对这几种网络形式进行了比较,提出了选择网络形式的见解.更多还原

【Abstract】 In order to meet the requisitions, selection of the style of network is needed in the process fields. This article analyzes the communication principles of two representative networks that work in the process field and discusses the communication principles of new network for optimation allintegrated automation. Based on the characteristics of process fields, these networks are compared.更多还原