1、 毕业设计(论文) 基于基于 PLCPLC 的全自动洗衣机的全自动洗衣机控制系统控制系统设计设计 姓姓 名名 学学 号号 年年 级级 专专 业业 系(院)系(院) 指导教师指导教师 The Design of the Control System of Automatic Washing Machine Based on PLC by Supervisor: 摘摘 要要 自从全自动洗衣机诞生以来,其内部的电路控制系统就不断的被改进。设计方法也 开始多种多样,从而使全自动洗衣机显得更加智能化。 可编程控制器(PLC)以微处理器为核心,普遍采用依据继电接触器控制系统电气原理 图编制的梯形图语言进行
2、程序设计, 编程容易, 功能扩展方便, 修改灵活,而且结构简单, 抗干扰能力强。 三菱 FX2N 系列可编程控制器指令丰富, 可以接各种输出、 输入扩充设备, 有丰富的特殊扩展设备,其中的模拟输入设备和通信设备更是符合全自动洗衣机控制系 统的要求与特点。 本文选择三菱 FX2N-24MR 为核心部件,着重进行硬件接口设计,利用梯形图和语句 表进行编程,实现了全自动洗衣机控制系统的自动化。 关键词:PLC;电气控制;自动化 ABSTRACT Since the inception of automatic washing machine, its internal control system
3、on the circuit continuously be improved. Design began to diversity, so that even more intelligent automatic washing machines. Programmable Logic Controller (PLC) microprocessor core, commonly used control system based on electrical relay contactor prepared ladder diagram programming language, progra
4、mming is easy, convenient features extend, modify and flexible, and simple, anti- interference ability. Siemens PLC instruction rich can take a variety of output, input expending have rich special extension equipment, including analog input devices and communications equipment also complies fully automatic washing machine control system requirement and the character. This selection