| 基于HART协议的点-点智能压力变送器系统 |
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| 引用本文： | 刘恺,程晓崇. 基于HART协议的点-点智能压力变送器系统[J]. 仪表技术与传感器, 2005, 0(6): 60-62 |
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| 作者姓名： | 刘恺 程晓崇 |
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| 作者单位： | 1. 浙江工业大学信息学院,浙江,杭州,310032
2. 浙大中控自动化仪表有限公司,浙江,杭州,310027 |
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| 摘 要： | 论述了压力变送器的工作原理及HART协议在现场仪表中的应用，研究了基于HART协议的智能变送器及手操器的硬件结构、原理及软件功能描述，压力传感器采用MPX4100A集成硅压力传感器，CPU采用内带8路8位A／D的MC68H08，HART协议调制解调器采用A5191HRT。系统设计了完整的手操器及智能压力变送器的硬件电路及软件编程，实现了点对点的压力数据的采集和传输。
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| 关 键 词： | HART协议 压力变送器 手操器 频移键控 |
| 文章编号： | 1002-1841(2005)06-0060-03 |
| 修稿时间： | 2005-01-18 |
Point to Point ISP System Based on HART Protocol |
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| LIU Kai,CHEN Xiao-chong. Point to Point ISP System Based on HART Protocol[J]. Instrument Technique and Sensor, 2005, 0(6): 60-62 |
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| Authors: | LIU Kai CHEN Xiao-chong |
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| Affiliation: | LIU Kai~1,CHEN Xiao-chong~2 |
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| Abstract: | Introduced the principle of ISP and the application of HART protocol in the intelligent local instruments.It studied the hardware,software and function on intelligent ISP,as well as the intelligent ISP.The ISP MPX4100A,MC68H08 and A5191HRT has been used in the system.The practical circuit and program has been designed,and the design has been used successfully in the intelligent instrument field. |
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| Keywords: | HART Protocol ISP Handheld Terminal FSK |
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