摘  要：本文在簡介了PROFIBUS-DP特性及特點的基礎(chǔ)上，重點闡述了PROFIBUS-DP的基本功能及PROFIBUS-DP規(guī)范的物理層、數(shù)據(jù)鏈路層、管理層、用戶層。 關(guān)鍵詞： 特性  功能  規(guī)范 Abstract:  On the basis of introducing the characteristics and characteristics of PROFIBUS-DP， this paper focuses on the basic functions of PROFIBUS-DP and the physical layer， data link layer， management layer and user layer of PROFIBUS-DP specification. Key words: Characteristic  Functional  [登陸后可查看全文]