自动送料装车系统中PLC的控制.rar

资料分类:电气工程 上传会员:阳の阳 更新时间:2014-07-25
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摘  要:时代在变迁科技在进步,伴随着科学技术的不断进步,各行业的自动化集成度不断提高。而高的自动化集成度,不但可以减少不必要的劳动力,可以减轻人们的负担,而且,自动化控制远比人们手动操作要更加安全可靠。可编程逻辑控制器(简称PLC)由于其具有编程简单易学、安装简单维修方便、通用性强、可靠性高、体积小、易于维护、采用模块化结构、接口模块丰富、系统设计与调试周期短、抗干扰性强等优点而广泛应用于自动化领域。并且,由于工厂的工作环境相对恶略,所以PLC在工厂中的应用更是广泛。本文主要是研究自动送料装车系统中的PLC控制,首先根据车的大小不同来设定不同的吨位,并利用PLC来控制三级传送带、料斗等实现料的自动装车。PLC的种类很多,本次设计利用的PLC是西门子系列的S7-200 CPU224。此次自动送料装车系统由三级传送带、料斗、料位检测与送料、车位和吨位检测等环节组成,利用PLC来控制实现其各个功能。

关键词:自动化  自动送料装车系统  可编程逻辑控制器  控制

 

ABSTRACT:In the era of change in the progress of science and technology, with the continuous progress of science and technology, the industry automation increasing integration. High automation degree, not only can reduce unnecessary labor, can reduce people's burden, but also, automation control than people manually operation to be safer and more reliable. Programmable logic controller (PLC) because of its programming easy, simple installation and convenient repair, versatility, high reliability, small size, easy maintenance, using the advantages of modular structure, interface modules, system design and debugging cycle short, strong anti-jamming and widely applied in automation field. And, because the factory work environment is relatively bad, so the application of PLC in the factory is more widely. This paper is the automatic feed loading system PLC control research, according to the car of different sizes to set different tonnage, automatic loading and using PLC to control the three conveyor belt, realize the material hopper. There are many kinds of PLC, using the design of Siemens PLC is S7-200 series CPU224. The automatic feed loading system is composed of three conveyor belts, hopper, material position detection and feeding, parking and tonnage detection process, using PLC to control the realization of the various functions.

Keywords:automation;automatic feed loading system;programmable logic controller; control

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