PLC在自动门控制中的应用

论文编号:ZD704    论文字数:3174,页数:10

摘 要
 随着科学技术的不断发展，自动门在人们的日常生活中得到了广泛的应用，同时对其性能和安全性等方面的要求也越来越高。本文介绍了西门子S7-226系列PLC和三菱E700系列变频器在自动门控制中的应用，分析了自动门的工作过程，设计了相应的梯形图文件，实现了自动门由开启、等待、关闭的全过程。 
 
关键词:可编程控制器  光电开关  限位开关  自动门

Abstract
 Along with science's and technology's unceasing development, the automatic valve obtained the widespread application in people's daily life, simultaneously to its aspect and so on performance and security requests is also getting higher and higher. This article introduced Simens S7-226 series PLC and the Mitsubishi E700 series frequency changer's in automatic valve control application, has analyzed automatic valve's work process, has designed the corresponding trapezoidal chart document, has realized the automatic valve by opening, the waiting, the closure entire process.
 
 key word: Programmable controller electro-optic switch limit switch automatic valve
 
 
 
目录
摘 要 I
Abstract I
目录 II
引言 1
一、系统结构 1
二、控制要求 2
三、I/O分配表 3
四、P LC与变频器控制输出输入接线图 3
五、变频器参数表 4
六、程序流程图 4
七、PLC控制梯形图 5
结论 7
参考文献 7

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PLC在自动门控制中的应用......