知识与财富的链接
简要介绍了现场总线及现场总线控制系统的含义和特点；以某钢铝复合带轧制生产线为背景，介绍了西门子PROFIBUS－DP总线技术在该生产线中的应用，对其PLC与直流调速器6RA24的PROFIBUS－DP网络构成，作为从站的直流调速系统的网络数据结构和参数过程数据，以及使用STEP7编程软件对PROFIBUS－DP总线的组态方法和编程要点作了说明。
The definition and the charac teristics of fieldbus and its control system were simply introduced B ased on the clad strip rolling lin e,the PROFIBUS-DP construction of the PLC and the DC drives 6RA24 fo r this mill was shown The network data structure and parameter proce sss data object of DP slave for DC drive were introduced At last,the configuring and programming method of PROFIBUS-DP with STEP7 language was given
