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。
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.
出处
《制造业自动化》
2002年第9期9-10,13,共3页
Manufacturing Automation
基金
本课题得到河南省高校青年骨干教师基金资助。
关键词
上位机
下位机
通讯
PCL
智能仪表
配电系统
main-machine
submitted-machine
communication
PLC
intelligent meter(Zhengzhou College of Light Industry,Zhengzhou 450002,China)
