文档介绍：唐山工业职业技术学院毕业论文
基于PLC的三相异步电动机设计
作者姓名:
专业班级
学号
指导教师
成绩
2011年月
PLC是“Programmable Logic Controller(可编程序逻辑控制器)”的英文缩写,是采用微电脑技术制造的自动控制设备。它以顺序控制为主,回路调节为辅,能完成逻辑判断、定时、记忆和算术运算等功能。
PLC在三相异步电机控制中的应用,与传统的继电器控制相比,具有控制速度快、可靠性高、灵活性强、功能完善等优点。长期以来,PLC始终处于工业自动化控制领域的主战场,为各种各样的自动化控制设备提供了非常可靠的控制应用。它能够为自动化控制应用提供安全可靠和比较完善的解决方案,适合于当前工业企业对自动化的需要。本文设计了三相异步电动机的PLC控制电路,该电路主要以性能稳定、简单实用为目的。
关键词:PLC,编程语言,三相异步电机,继电器
Abstract
PLC Programmable Controller is "questions (Programmable Logic Controller)", is the abbreviation of puter technology manufacturing automatic control equipment. It with sequence control is given priority to, loop adjustment plementary, can finish logic, timing, memory and arithmetic operations, and other functions.
PLC in three-phase asynchronous motor control application, compared with the traditional relay control, has control of speed, high reliability and flexibility, the perfect function etc. Long-term since, PLC is always in the industrial automation control field, igge for various automatic control equipment provides a very reliable control applications. It can provide security for automation control application reliable paratively perfect solutions, suitable for the current industrial enterprise of automation needs. This paper introduces the design of three-phase asynchronous motor, the PLC control circuit, this circuit mainly stable performance, simple and practical for the purpose.
Keywords: PLC, programming languages, three-phase asynchronous motor, relays
第1章绪论………………………………………………………………………..1
可编程控制器的概述....................................................................... 1
PLC的分类…………………………………………………………………1
PLC的选型…………………………………………………………3
第2章可编程控制器的硬件和工作原理...................................4
PLC的基本结构................................................................................ 4
可编程控制器的物理结构............................................................... 6
开关量I/O模块的外部接线方式...................................................