智能分析仪表中PROFIBUS-DP接口的研发  

Development on PROFIBUS-DP Communication Interface of Intelligent Analysis Instrument

作　　者：郑源滨[1] 白焰[1] 

机构地区：[1]华北电力大学

出　　处：《电站系统工程》2010年第3期49-52,共4页Power System Engineering

基　　金：北京市教育委员会共建项目专项资助

摘　　要：研究了PROFIBUS-DP现场总线基本理论及其通信协议芯片SPC3的结构和功能,分析了PROFIBUS DPV1协议的扩展功能。在已有智能分析仪表的基础上,提出PROFIBUS-DP智能从站接口的软硬件实现方法。采用"核心板+接口板"方式,集成模块化设计思想和自顶向下的设计方法,研发出一套嵌入式PROFIBUS-DP智能从站。The structure and the function of PROFIBUS-DP bus communication protocol chip SPC3 is introduced.The extended functions of PROFIBUS protocol DPV1 are analyzed.Based on the intelligent analysis instrument,the hardware and software design and the implementation method of PROFIBUS-DP intelligent slave station interface are presented.By using the PROFIBUS-DP protocol chip SPC3 and AVR_mega16 series single chip,the module of the intelligent slave station interface with PROFIBUS-DP interface is developed.By adopting ‘the core board plus the interface board’ method,modularization technology and top-down method are used.At last,the system of PROFIBUS-DP is realized.

关 键 词：智能分析仪表 PROFIBUS-DP协议 通讯芯片SPC3 智能从站 

分 类 号：TP39[自动化与计算机技术—计算机应用技术]