基于Modbus-RTU协议的交流电压峰值表设计  

Design of AC Voltage Peak Detection Instrument Based on Modbus-RTU

作　　者：汪济昌 

机构地区：[1]胜利石油管理物探公司,山东东营257100

出　　处：《现代电子技术》2009年第10期146-148,152,共4页Modern Electronics Technique

摘　　要：交流电压峰值检测是工业用电安全监控中的一项重要指标,介绍一种以MSP430F449,MAX1270和RS 485总线硬件为基础,基于Modbus-RTU通信协议的智能交流电压峰值表测量系统的设计,且成功应用到交流电压的峰值检测中。该系统具备便携、低功耗等特点,易于与电脑或符合Modbus-RTU协议的控制器连接,可方便地组建远程监控系统。The peak voltage detection of AC is an important index in industry power safety monitoring. AC voltage peak detection system based on hardware of MSP449, MAX1270 and RS 485, and protocol of Modbus -RTU are introduced. This system have been used in AC voltage peak detection successfully. This system has advantages of portable,low power and so on. Meanwhile,it is easy to interface with PC or controller in accordance with Modbus- RTU protocol to construct remote monitoting and control system conveniently.

关 键 词：MODBUS协议 交流电压峰值 MSP430F449 MAX1270 

分 类 号：TB971[一般工业技术—计量学] TP368.1[机械工程—测试计量技术及仪器]