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基于PLC和智能仪表的下位机群与上位机通讯的实现
引用本文:王永华,郑安平.基于PLC和智能仪表的下位机群与上位机通讯的实现[J].制造业自动化,2002,24(9):9-10,13.
作者姓名:王永华  郑安平
作者单位:郑州轻工业学院信息与控制工程系,郑州,450002
基金项目:本课题得到河南省高校青年骨干教师基金资助。
摘    要:介绍了一个由多台PLC和多台智能仪表组成的下位机群与上位机的通讯系统,简单介绍了S7-200PLC的通讯功能,重点阐述了下位机的通讯系统设计和实现,给出了通讯程序的软件流程图,本文对类似系统的设计有较大的指导意义。

关 键 词:上位机  下位机  通讯  PCL  智能仪表  配电系统
文章编号:1009-0134(2002)09-0009-03

The method of communication between main-machine and submitted-machine which based on PLCs and intelligent meters
WANG Yong-hua,ZHENG An-ping.The method of communication between main-machine and submitted-machine which based on PLCs and intelligent meters[J].Manufacturing Automation,2002,24(9):9-10,13.
Authors:WANG Yong-hua  ZHENG An-ping
Abstract:This paper has introduced a communication system which consists of main-machineand submitted-machine which based on PLC and intelligent meters. It indicates thecommunication function of S7-200 PLC and expounds the design and realization methodof submitted-machine. Meanwhile, it presents the entire software chart of communicationprogram. This paper must be significant for the design of similar systems.
Keywords:main-machine  submitted-machine  communication  PLC  intelligent meter(Zhengzhou College of Light Industry  Zhengzhou 450002  China)  
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