Profibus-PA总线在工程应用中的探究  

Exploration of Profibus-PA Fieldbus Application in Engineering Practice

作　　者：任振寰 

机构地区：[1]北京美信东方工程技术有限公司,北京100028

出　　处：《石油化工自动化》2015年第6期14-16,31,共4页Automation in Petro-chemical Industry

摘　　要：Profibus-PA总线凭借全数字化传输、先进的自诊断功能、多控制设备构成网段、安装费用低等诸多优势,被广泛应用于过程控制。阐述了Profibus-PA总线网络构架的搭建过程;详细介绍了拓扑结构、关键组件及相关工程要素的构成,PA网段采用冗余配置以提高安全性,对现场总线在工程设计中的应用起到一定借鉴作用。Profibus-PA fieldbus is widely applied in process control due to many advantages of full digital transmission,advanced self-diagnostic function,multi-control equipment configured network segment and low installation cost.The construction process of Profibus-PA network architecture is expounded.The topological structure,key components and relative engineering elements are introduced in detail.Redundant configuration is adopted in PA network segment to improve security,which can be used as reference for fieldbus application in engineering design.

关 键 词：PROFIBUS现场总线 耦合器 DP/PA连接器 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]