基于HART协议的智能温度变送器设计  

Design of Intelligent Temperature Transmitter Based on HART Protocol

作　　者：张晓东[1] 童少为 ZHANG Xiao-dong;TONG Shao-wei(College of Information of Engineering,Jilin Institue of Chemical Technology,Jilin Jilin 132022,China)

机构地区：[1]吉林化工学院信息与控制工程学院

出　　处：《科技视界》2019年第34期26-27,共2页Science & Technology Vision

摘　　要：根据石油化工厂的实际需要,研制了一种支持HART协议的智能型温度变送器,采用高性能单片计算机C8051F410和HART调制解调芯片作为核心部件;供电电路与信号调理电路设计独特。整体电路结构简单、成本低廉,性价比高。According to the actual needs of petrochemical plants,an intelligent temperature transmitter based on HART protocol was developed.High-performance single-chip computer C8051 F410 and HART modulation chip were adopted as the central controller.The power supply circuit and a signal modulation circuit had been designed specifically.The transmitter had simple structure,and had high precision,lower cost,and high reliability.

关 键 词：HART协议 低功耗 智能温度变送器 

分 类 号：TP21[自动化与计算机技术—检测技术与自动化装置]