【摘要】 课题研究了现场总线的概况、分类及主从站的种类,其中PROFIBUS 总线应用较多,针对PROFIBUS总线技术研究了主站的结构形式,从站接口分类, PROFIBUS总线通讯协议,以及PROFIBUS总线与自动化系统的连接．更多还原

【Abstract】 This paper has studied the overview of the on - the - spot bus, the kinds of principal and subordinate station, among them PROFIBUS bus is used more, for PROFIBUS bus, this paper researches the structure form of main website, the interface classfication of the subordinate station, FROFIBUS bus communication agreement, and PROFIBUS bus’connection with automated system.更多还原