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1、摘要PLC控制是目前工业上最常用的自动化控制方法,由于其控制方便,能够承受恶劣的环境,因此,在工业上优于单片机的控制。PLC将传统的继电器控制技术、计算机技术和通信技术融为一体,专门为工业控制而设计,具有功能强、通用灵活、可靠性高、环境适应性强、编程简单、使用方便以及体积小、重量轻、功耗低等一系列优点,因此在工业上的应用越来越广泛。本文主要讲述PLC在材料分拣系统中的应用,利用可编程控制器(PLC),设计成本低、效率高的材料自动分拣装置。以PLC为主控制器,结合气动装置、传感技术、位置控制等技术,现场控制产品
2、的自动分拣。系统具有自动化程度高、运行稳定、精度高、易控制的特点,可根据不同对象,稍加修改本系统即可实现要求。关键词:可编程控制器,分拣装置,控制系统,传感器ABSTRACTPLCcontrolisthemostcommonlyusedindustrialautomationcontrolmethod,becauseofitsconvenientcontroltowithstandanadverseenvironment,itisbetterthanMCUcontrolintheindustrial.PLCt
3、raditionalrelaycontroltechnology,computerandcommunicationtechnologiesareintegratedspecificallyforindustrialcontrolanddesign,havestrongfunction,commonflexible,highreliabilityandenvironmentaladaptability,andprogrammingsimple,easytouseandsmallsize,lightweight,
4、aseriesoflow-poweradvantagesinindustrialapplicationsbecomemoreextensive.ThispaperfocusesonthePLCinthecannedbeverageproduction,Thedesignofanautomaticsortingdevicewithlowcostandhighefficiencyispresentedinthepaper,whichregardsprogrammablelogiccontroller(PLC)as
5、themastercontrollerandcombinespneumaticdevice,sensingtechnology,positioncontrolandothertechnologytoimplementautomaticselectingoftheproductslive.Thedeviceischaracteristicofhighautomation,steadyrunning,highprecisionandeasycontrol,whichcanfulfilltherequirement
6、accordingtodifferentsituationswithlittlemodifications.Keywords:programmablelogiccontroller,sortingdevice,controlsystem,sensorsI目录摘要..............................................................................................................................
7、..............................I目录..............................................................................................................................................................II绪论..............................................................
8、...............................................................................................3第1章材料分拣装置结构及总体设计.........................................................................................