plc自动门毕业设计论文

《plc自动门毕业设计论文》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、目录摘要································································2引言································································3第一章概述··························································41.1国内外自动门发展状况············································41.2本课题研究的内容····

2、············································41.3本课题研究目的和意义············································5第二章自动门控制总体方案设计········································62.1自动门功能需求分析···············································62.2系统设计的基本步骤···········································

3、····62.3自动门技术参数的确定·············································82.4自动门的机械传动机构设计·········································8第三章自动门硬件系统的设计··········································93.1控制系统结构设计·················································93.2可编程控制器（PLC）的选用··················

4、····················10353.2.1PLC概述····················································103.2.2可编程控制器（PLC）的选用··································113.3驱动装置的选用··················································133.4变频器的选用····················································133.4.1

5、变频器原理··················································133.4.2变频器的选型················································143.4.3变频器的参数设定············································153.5感应开关的选型··················································163.6自动门系统I/O分配表····················

6、························173.7控制系统的电器接线··············································18第四章控制系统软件的设计···········································184.1PLC梯形图的概述················································184.2梯形图编程环境··················································194.3程序流

7、程图······················································214.4梯形图的设计及指令35··············································21第五章系统调试·····················································235.1梯形图程序的下载················································235.2程序调试记录及结果分析················

8、··························23致谢···························································