基于Profibus-PA的多通道温度变送器设计

包伟华; 章俊辉; 夏飞; 孙波

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DOI:10.3969/j.issn.1006-4729.2014.03.015

Journal of ShangHai University of Electric Power :2014,30(3):261-264,268

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基于Profibus-PA的多通道温度变送器设计

包伟华^1,2, 章俊辉¹, 夏飞¹, 孙波²

(1.上海电力学院自动化工程学院;2.上海自动化仪表股份有限公司技术中心)

Design of Multi-channel Temperature Transmitter Based on Profibus-PA

BAO Weihua^1,2, ZHANG Junhui¹, XIA Fei¹, SUN Bo²

(1.School of Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China;2.Technology Center, Shanghai Automation Instrumentation Co. Ltd., Shanghai 200070, China)

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Received:April 22, 2014

中文摘要: 提出了一种基于Profibus-PA的多通道温度变送器的硬件设计方案.分别阐述了该方案中信号采集、ARM处理平台、系统电源、通信系统4个部分的设计原理与选型思路.此设计支持Profibus-PA通信协议,利用单协议栈实现多通道温度测量,同时提供数据的高速、可靠传输,实现了由Profibus-PA总线供电,以应用于具有本质安全防护要求的场合.

中文关键词: 多通道温度变送器嵌入式系统

Abstract:A design hardware of multi-channel temperature transmitter based on Profibus-PA is proposed. The design principle for ARM processing platform, system power supply and communication system is described. Ideas of device selection on each part of the system are explained. This design supports Profibus-PA communication protocol, using a single protocol stack to get the multi-channel temperature measurement, while providing high-speed and reliable transmission of data. This design can be Profibus-PA bus-powered, which can be applied to the situation of security protection required place.

keywords: multi-channel temperature transmitter embedded system

文章编号：20140315 中图分类号： 文献标志码：

基金项目:国家"863"计划资助项目(2012AA041704)

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Author Name	Affiliation	E-mail
BAO Weihua	School of Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China Technology Center, Shanghai Automation Instrumentation Co. Ltd., Shanghai 200070, China	bwh@saic.sh.cn
ZHANG Junhui	School of Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China
XIA Fei	School of Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China
SUN Bo	Technology Center, Shanghai Automation Instrumentation Co. Ltd., Shanghai 200070, China