基于PLC自动售货机的系统设计

基于PLC自动售货机的系统设计

哈尔滨理工大学荣成学院

专科生毕业设计

题 目：基于PLC自动售货机的系统设计

专业年级： 机电一体化技术08-2班

学生姓名： 刘 顺

学 号： 0801070208

指导教师： 宋 鸣

哈尔滨理工大学荣成学院

完成时间： 2011 年 06 月 15 日

基于PLC自动售货机的系统设计

哈尔滨理工大学荣成学院

专科生毕业设计（论文）评语

基于PLC自动售货机的系统设计

哈尔滨理工大学荣成学院

专科生毕业设计（论文）任务书

基于PLC自动售货机的系统设计

目 录

目 录·································································································· I

第1章 绪论························································································1

1.1 自动售货机的理论背景与实际意义 ································1

1.2 自动售货机设计的主要内容 ············································2

1.3 自动售货机设计的基本思路 ············································2

第2章 PLC的概述 ···········································································3

2.1 PLC的特点和应用 ································································3

2.2 PLC与其它工业控制装置的比较 ········································4

2.3 PLC的应用场合 ····································································5

2.4 PLC的工作原理 ····································································5

2.5 PLC的硬件组成 ····································································6

第3章 自动售货机的简介及设计要求············································7

3.1 自动售货机简介····································································7

3.2 自动售货机工作原理·····················&# …… 此处隐藏：5100字，全部文档内容请下载后查看。喜欢就下载吧 ……