基于Modbus总线的马铃薯贮藏库温湿度采集  

Collecting Temperature and Humidity of Potato Storage Based on Modbus Bus

作　　者：胡兵[1] 熊新荣[1] 袁勇[1] 孙天龙[1] 王小娟[1] 

机构地区：[1]新疆工程学院,乌鲁木齐830011

出　　处：《湖北农业科学》2014年第20期4969-4972,共4页Hubei Agricultural Sciences

基　　金：新疆维吾尔自治区高校科研计划资助重点项目(XJEDU2012I43)

摘　　要：为满足马铃薯贮藏库对温度、湿度采集的要求,设计了一种基于Modbus总线的马铃薯贮藏库温湿度采集方案。该系统以MCGS组态为上位机监控,S7-200PLC CPU224为控制核心,以LM410温湿度采集模块为现场智能仪表,通过Modbus总线协议与远程采集系统通信,实现了马铃薯贮藏库温度、湿度的实时准确采集。结果表明,该系统稳定可靠,数据准确,满足了实际应用要求,为马铃薯贮藏库温湿度采集系统设计提供了借鉴。To meet the requirements of storage temperature and humidity of potato,a scheme based on Modbus bus in collecting temperature and humidity of potato storage was put forward.Using MCGS configuration as the system of PC monitoring,CPU224 S7-200 PLC as the control core,acquisition module for intelligent instrument with LM410 temperature and humidity,through the Modbus fieldbus protocol and remote collection system communication,the real-time and accurate collection of temperature and humidity of potato storehouse was realized.The results showed that the system was stable and reliable.The data was accurate and satisfied the requirements of practical application.It will provide reference for designing the system of collecting temperature and humidity of potato storage.

关 键 词：MODBUS总线 温度采集 湿度采集 PLC 智能仪表 马铃薯贮藏 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]