摘要
本文结合工程实例介绍了S7-200系列可编程控制器的功能和特点;讨论了用工业控制计算机、可编程控制器以及单片机组成的分布式控制系统在闸门实时监控系统中的应用,并详细分析了上、下位机之间的通信方式及其功能的具体实现。
In this paper. the function and characteristics of S7-200 series Programmable Logical Controller are described. The application is discussed of the DCS consisting of industry control computer. PLC. and single chip machine to the real-time gate monitoring system. And the principle and realization of communication between the epigyny and hypogyny machines are analyzed.
出处
《大坝观测与土工测试》
2001年第6期33-36,共4页
Dam Observation and Geotechnical Tests
关键词
分布式控制系统
PPI通信
可编程控制器
闸门
监控体系
programmable logical controller
distributed control system
field bus
PPI communication
configuration software