三菱PLC四层电梯控制系统设计.doc

目录

内容摘要···················································································〔2〕

第一章电梯概述········································································〔3〕

1.1电梯的组成······································································〔3〕

1.2电梯的工作原理································································〔4〕

第二章电梯控制系统的控制分析··················································〔5〕

2.1电梯继电器控制系统的特点及存在问题································〔5〕

2.2PLC及在电梯控制中的应用特点··········································〔5〕

第三章可编程控制器的机型选择··················································〔7〕

3.1PLC的I／O点数估算························································〔7〕

3.2响应时间·········································································〔7〕

3.3输入输出模块的选择·························································〔7〕

3.4机型确实定·····································································〔7〕

第四章硬件设计·······································································〔9〕

4.1四层电梯主电路设计·························································〔9〕

4.2输入输出分配表·······························································〔10〕

4.3PLC接线图·····································································〔11〕

第五章软件设计······································································〔12〕

5.1程序流程图····································································〔12〕

5.2程序语句·······································································〔13〕

第六章程序调试、运行·····························································〔23〕

6.1程序调试·······································································〔23〕

6.2程序最终运行情况··························································〔23〕

6.3PLC控制系统的外部干扰················································〔23〕

第七章总结············································································〔24〕

7.1心得体会·······································································〔24〕

7.2致谢······································