Profibus-PA温度变送器设计  

Design of Profibus-PA Temperature Transmitter

作　　者：叶炳金[1] 刘爱伦[1] 

机构地区：[1]华东理工大学信息科学与工程学院,上海200237

出　　处：《自动化仪表》2013年第4期73-75,共3页Process Automation Instrumentation

摘　　要：Profibus-PA是Profibus现场总线技术在过程自动化领域的典型应用,它符合IEC 1158-2传输技术,且能保证现场本质安全的要求并提供总线供电。对Profibus现场总线技术中物理层、数据链路层、用户层协议模型以及过程自动化领域的特殊要求进行了研究。在此基础上,按照整体方案设计思路,设计出了支持Profibus-PA总线通信的温度变送器模块。该模块达到了应用要求。Profibus-PA is the typical application of Profibus fieldbus technology in the process automation fields; it conforms IEC 1158-2 transmission technology, and ensures the requirement of field intrinsic safety, as well as offers power supply for the bus. The Profibus technology is researched comprehensively, including the special requirements for the protocol models of physical layer, data link layer, and user layer ; as well as process automation t^eld. On this basis, in accordance with the design ideas for the overall scheme, the temperature transmitter module supporting Profibus-PA bus communication and satisfying application requirements is designed.

关 键 词：Profibus—PA 温度变送器 现场总线 过程自动化 软硬件设计 

分 类 号：TP336[自动化与计算机技术—计算机系统结构]