Modbus协议在水质监测仪器中的应用  

Application of Modbus Protocol in the Water Quality Monitoring Equipment

作　　者：哈谦[1] 王宁[1] 李慧青[1] 李燕[1] 杨鹏程[1] 杜军兰[1] 

机构地区：[1]国家海洋技术中心,天津300112

出　　处：《海洋技术》2011年第4期42-45,共4页Ocean Technology

基　　金：国家高技术研究发展计划(863计划)资助项目(2007AA092101;2010AA09Z101);海洋公益性行业科研专项经费资助项目(200805014)

摘　　要：介绍一种水质监测仪器中,单片机与触摸屏之间应用Modbus协议进行串行通信的方法,简要介绍了Modbus协议,并给出了程序工作流程图。实际应用表明,该方案能够实现触摸屏与单片机之间稳定、可靠的连接。A serial communication method is introduced.With this method,the microcontroller communicates with the touch screen by means of Modbus protocol in the water quality monitoring equipment.At the same time,Modbus protocol is briefly introduced and the flow chart of the program is given.The application shows that this method could achieve stable and reliable connections between the microcontroller and the touch screen.

关 键 词：MODBUS 触摸屏 DYNAMIC C 多任务处理 

分 类 号：TP311[自动化与计算机技术—计算机软件与理论] P71[自动化与计算机技术—计算机科学与技术]