毕业设计（论文）-PLC控制变频调速五层电梯系统设计.docVIP

PAGE PAGE 49 摘 要 PLC（可编程控制器）作为一种工业控制微型计算机，它以其编程方便、操作简单尤其是它的高可靠性等优点，在工业生产过程中得到了广泛的应用。变频技术的发展推动了PLC的应用。它应用大规模集成电路，微型机技术和通讯技术的发展成果，逐步形成了具有多种优点和微型，中型，大型，超大型等各种规格的系列产品，应用于从继电器控制系统到监控计算机之间的许多控制领域。 随着社会的不断发展，楼房越来越高，而电梯成为了高层楼房的必须设备。电梯从手柄开关操纵电梯、按钮控制电梯发展到了现在的群控电梯，为高层运输做出了不可磨灭的贡献。 PLC在电梯控制上的应用主要体现在它的逻辑开关控制功能。由于PLC具有逻辑运算，计数和定时以及数据输入输出的功能。在电梯控制过程中，各种逻辑开关控制与PLC很好的结合，很好的实现了对电梯的控制。 本文主要讨论研究利用三菱公司的可编程控制器对五层电梯的控制，形成电梯控制系统。 关键词： 电梯；PLC；五层； ABSTRACT PLC (Programmable Logical Controller) took one kind most important, the application situation most industries control microcomputer, it is convenient, operation simple in particular by its programming merit and so on redundant reliability, obtained the widespread application in the industrial production process. It applies the large scale integrated circuit, the miniature machine technology and the communication technology development achievement, gradually formed had the many kinds of merits. Along with societys unceasing development, the building is more and more high, but the elevator became the high level building to have the equipment. After humanitys more than centuries unremitting endeavors, the elevator already from the handle switch operation elevator, the push-button control elevator develops to the present group control elevator, has made the indelible contribution . PLC in the control in the elevator the application mainly to manifest in its logical switch control function. This function enable PLC to have the logic operation, counts with fixed time as well as the data feeds output function. Rises and falls in the process in the elevator, each logical switch control and PLC very good union. This article main discussion studies using MITSUBISHI Corporations PLC molding machine carries on the control to the 5-floor elevator fluctuation, forms the elevator control system Key words: 5-floor , elevator; PLC; 目 录 TOC \o 1-3 \h \u HYPERLINK \l _Toc27965 摘 要 PAGEREF _Toc27965 1 HYPERLINK \l _Toc5719 ABS