电气自动化毕业设计

四节传送带的PLC控制

作 者：吴 为

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*性等优点，在工业生产过程中得到了广泛的应用。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，自动化程度越来越高，传送带则成为自动化生产线上的的必须设备。传送带的不断发展，不断改进，为自动化程度高速发展的今天，在自动化生产线运输做出了不可磨灭的贡献。

PLC在传送带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。在传送带运输过程中，各种逻辑开关控制与PLC很好的结合，很好的实现了对运输的控制。

本文主要讨论研究利用日本三菱公司的C系列P型机对四节传送带的运输进行控制，形成传送带控制系统。

关键词：PLC； 四节传送带：Conveyor belt ；

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 and miniature, medium, large-scale, ultra large-scale and so on each kind of specification series product, applied to monitors between the computer from the control system many controls domain.

Along with society's unceasing development, the building is more and more high, but the elevator became the high level building to have the equipment. After humanity's 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 for the high level transportation.

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