《基于PLC的停车场车位控制系统设计》10000字（论文）.docx

基于PLC的停车场车位控制系统设计

目录

1引言...........................................................................................................................2

2停车场车位控制系统整体方案...............................................................................3

2.1停车场车位控制系统方案概述.....................................................................3

2.2选择PLC作为控制器原因...........................................................................3

2.2.1可编程控制器.......................................................................................4

2.2.2可编程控制器组成...............................................................................4

2.2.3PLC的工作原理...................................................................................5

2.3基于PLC控制的停车场车位控制系统的方案设计.....................................5

2.4基于PLC控制的停车场控制系统的各子系统实现功能...........................6

2.4.1停车场入口系统...................................................................................6

2.4.2停车场出口系统...................................................................................6

3基于PLC的停车场车位控制系统硬件设计.........................................................7

3.1PLC的选择......................................................................................................7

3.2主电路设计......................................................................................................7

3.3控制电路设计..................................................................................................8

3.3PLC输入输出分配表...................................................................................10

3.4PLC输入输出接线图...................................................................................12

4系统的软件设计......................................................................................................16

4.1PLC内部地址......................