急求三菱PLC五层电梯梯形图外部接线图I⼀O分配表 tianwei_55@163.com

2025-03-05 05:02:19
推荐回答(1个)
回答1:

论文编号:ZD273论文字数:9688,页数:23
摘 要
电梯作为现代高层建筑的垂直交通工具,与人们的生活紧密相关,随着人们对电梯运行安全性、高效性、舒适性等要求的不断提高,电梯得到快速发展。其拖动技术已经发展到了调频调压调速,其逻辑控制也由PLC代替原来的继电器控制。
电梯采用了PLC控制,用软件实现对电梯运行的自动控制,可靠性大大提高。控制系统结构简单,外部线路简化,可方便的增加或改变控制功能,也可以进行故障自动检测与报警显示,提高运行安全性,并便于检修。而电动机交流变频器调速技术是当今节电、改善工艺流程以提高产品质量、改善环境、推动技术进步的一种主要手段。变频器调速以其优异的调速性能和起制动性能、高效率、高功率因素和节电效果,广泛的适用范围及其它许多优点而获国内外公认为最有发展前途的调速方式。因此,PLC控制技术加变频器调速技术已成为现代电梯行业的一个热点。
本设计考虑到载客电梯的实际操作功能,又兼顾载电梯控制中具有递推功能,所设计的控制系统针对的是四层电梯。代替传统的继电控制系统,由变频器实现对电梯的拖动调速,使PLC与调速拖动装置相结合,构成PLC集选控制系统,实现了电梯的各种控制功能,提高了电梯运行的可靠性,降低了故障率。
关键字:可编程控制器PLC;四层电梯;变频器;电机;编程;控制

目 录
引言3
1.绪论4
1.1 本课题设计的背景4
1.2 本课题设计的内容6
1.3 本课题设计的目的和意义6
2.系统控制方案的确定7
2.1 电梯的概述7
2.2 采用PLC控制电梯的优点8
2.3 系统设计的基本步骤9
2.4 系统控制方案10
2.5 电梯控制系统的原理图13
3.系统硬件设计13
3.1 可编程控制器(PLC)的选型13
3.1.1 PLC概述13
3.1.2 PLC的选型14
3.2 变频器的选型17
3.3 电机的选型17
3.4 PLC外部电路的设计18
3.5 硬件接线图19
3.6 I/O分配表21
4.系统软件设计22
4.1 PLC梯形图概述22
4.2 SWOPC-FXGP/WIN-C编程软件的操作方法23
4.3 系统工作过程分析23
4.4控制系统程序设计24
4.4.1 开关门控制及保护安全保护24
4.4.2 电梯的内指令外召唤信号的登记消除及显示回路27
4.4.3 呼梯铃控制与故障报警27
4.4.4电梯的消防运行回路28
5.结论29
致谢30
参考文献30
附图31
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