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1、畢業(yè)設(shè)計(jì)用紙中文摘要早期運(yùn)料小車電氣控制系統(tǒng)多為繼電器—接觸器組成的復(fù)雜系統(tǒng),這種系統(tǒng)存在設(shè)計(jì)周期長(zhǎng)、體積大、成本高等缺陷,無(wú)數(shù)據(jù)處理和通信功能,必須有專人負(fù)責(zé)操作,將PLC應(yīng)用到運(yùn)料小車電氣控制系統(tǒng),可實(shí)現(xiàn)運(yùn)料小車的自動(dòng)化控制,降低系統(tǒng)的運(yùn)行費(fèi)用,PLC運(yùn)料小車電氣控制系統(tǒng)具有連線簡(jiǎn)單,控制速度快,可靠性和可維護(hù)性好,易于安裝、維修和改造等優(yōu)點(diǎn)。隨著經(jīng)濟(jì)的發(fā)展,運(yùn)料小車不斷擴(kuò)大到各個(gè)領(lǐng)域,從手動(dòng)到自動(dòng),逐漸形成了機(jī)械化、自動(dòng)化。將PLC應(yīng)用到運(yùn)料小車電氣控制系統(tǒng),可實(shí)現(xiàn)運(yùn)料小車的自動(dòng)化控制,降低系統(tǒng)的運(yùn)行費(fèi)用。它功能強(qiáng)大,可擴(kuò)展到多達(dá)128I/O點(diǎn),
2、且能增加特殊功能模塊或擴(kuò)展板。通信和數(shù)據(jù)連接功能選項(xiàng)使得FX1N在體積、通信和特殊功能模塊等重要的應(yīng)用方面非常完美。本課題主要包括:分析被控對(duì)象和明確系統(tǒng)控制要求;PLC選型;確定系統(tǒng)的I/O設(shè)備的數(shù)量及種類;控制流程設(shè)計(jì);控制程序設(shè)計(jì)。PLC在運(yùn)料小車控制系統(tǒng)中的應(yīng)用,已經(jīng)在國(guó)內(nèi)外工程、工廠中得到實(shí)際應(yīng)用,具有巨大的經(jīng)濟(jì)和社會(huì)價(jià)值,其智能化和自動(dòng)化的思路值得以后繼續(xù)深入研究和推廣。關(guān)鍵詞:PLC,送料小車,控制,程序設(shè)計(jì)共30頁(yè)第30頁(yè)畢業(yè)設(shè)計(jì)用紙ABSTRACTEarlyelectriccarcontrolsystemofthetransporte
3、rovertherelay-contactorcomplexsystemcomposedofThesystemdesigncycle,thereisalong,bulky,highcost,defects,nodataprocessingandcommunicationsfunctions,mustbehandoperated,willbeappliedtotransportmaterialscarPLCelectricalcontrolsystemandcanrealizeautomaticcontroloperationofthecar,reduc
4、ingtherunningcostsofthesystem,PLCcontrolsystemforelectriccartransporterwithasimpleconnectiontocontrolspeed,reliabilityandmaintainabilityisgood,easytoinstall,repairandimprovementandsoon.Witheconomicdevelopment,transportmaterialstovariousareasofgrowingcar,frommanualtoautomatic,and
5、graduallyformedthemechanizationandautomation.PLCappliedtotransportmaterialstocarelectricalcontrolsystemandcanrealizeautomaticcontroloperationofthecarandreducesystemoperatingcosts.Itispowerful,canbeexpandedtoasmanyas128I/Opoints,andcanincreasethespecialfunctionmodulesorexpansionb
6、oards.CommunicationsanddataconnectivityoptionsmakeFX1Ninvolume,communicationsandspecialfunctionmodulessuchimportantapplicationsperfectly.Thetopicsinclude:analysisofplantandaclearsystemcontrolrequirements;PLCselection;determinethesystem'sI/Odevicenumberandtype;controlprocessdesig
7、n;controlprogramming.PLCcontrolsysteminthecartransporterintheapplication,hasbeenindomesticandinternationalprojectshasbeenappliedinthefactory,withhugeeconomicandsocialvalue,theintelligenceandautomationbeyondtheideaworthyoffurtherresearchandextensionKeywords:PLC,F(xiàn)eedingcar,Control
8、,Programdesign共30頁(yè)第30頁(yè)畢業(yè)設(shè)計(jì)用紙目錄中文摘要1ABSTRACT2目錄3