PLC-自動配料系統(tǒng)外文資料復習課程

精品文檔PLCautomaticbatchingandweighingsystemdesignTherearemanykindsofPLCdefinition.Theinternationalcommission(IEC)isdefinedasofPLCprogrammablecontrollerisakindofdigitalcomputingoperations,speciallydesignedfortheelectronicsysteminindustrialenvironmentapplicationanddesign.ItUSESprogrammableQi,usedinitsinternalstoragetoperformthelogicoperation,sequencecontrol,timing,countingandarithmeticoperationinstruction,andthroughdigital,analoginputandoutput,thecontrolvarioustypesorproductionprocess.Programmablecontrollerandrelatedequipment,shouldpresseasyandindustrialcontrolsystemasawhole,easytoextenditsfunctionprincipledesign.PLCwithcommunicationnetworkingfunction,itmakesPLCandPLC,betweenthePLCandthePCandotherintelligentequipmenttoexchangeinformationbetween,formingaunifiedwhole,realizescatteredcentralizedcontrol.MostPLChasRS-232interface,andsomebuilt-inhavetosupporttheircommunicationprotocolinterfaces.Ingredientsworkersreceivedailyproductionscheduling,willinturnforeachfeedstock.Accordingtohowmuchweighingingredients,firstcalculatedtheweightofeachcomponentinvariouscomponents,andthenthematerialbarrelsmaterialtaking,toelectronicsaysonthepackagingweighingAlongwiththedevelopmentofscienceandtechnology,Automaticbatchingandweighingsystemhasbeenwidelyusedinmetallurgy,coal,chemicals,buildingmaterialindustry,etc.Automaticbatchingandweighingsystemcanbesetaccordingtotheinputratioandflowcontrolofmaterialflow,therebyachievecontrolofproductqualityand精品文檔精品文檔yieldoftheobjectiveistorealizetheautomaticproductionprocess,andintelligent,enterprise'sscientificmanagement,safeandstableproductionandenergyconsumptionistheimportanttechnicalmeans.Computercontrolsystemintheproductionofingredientsusednotonlycanimprovetheyieldandqualityingredientsandgreatlyreducethelaborintensity,andposttoimproveproductionefficiency.Theauto-dispensationsystempermanentflowcontrolusesthePIDadjustment，thecurrentcapacitymeasurementcontrolismeasuresthedeviationandthefrequencyconversionvelocitymodulationunion.Introducestheflow-controlmodeandcontrolprocessofthesystembasedonthesystemsmanufacturingprocessoftheallocation.ThisessayalsoillustratesthehardwaresettingandsoftwaredesigningofPLCselection,frequencyconversioncontrolofallocationsystemindetail.Ingredientsworkerreceivesdailyproductionoperationsthetable,itwillturnforeachrawmaterialweighing?accordingtothenumberofingredients,firstcalculatetheweightofeachingredient,andthenthedrumsinavarietyofcomponentsinthereclaimerandsente-saidweighingonthefinalpackaged?Inthisprocess,theheavyworkloadoftheworkers,thehigherrorrate,weighingtheweightofnomonitoring,norecordsofproductiondatacannotguaranteetheproductionprocess?papertoPC,programming,programmablelogiccontroldevice(PLC),fieldbustechnologyandothermodernindustrialcontroltechnology,developedbyPC,asthehostcomputertoPLCasthenext-bitmachine'sautomaticbatchingsystem?throughouttheproductionprocess,oncetheproductionplanworkedout,thecomputerwillfollowplanforeachweighingrawmaterials,eliminatingtheneedformanualintervention?Inthisprocess,theworkersjusttogetmaterial,bythecomputerthatsenttheelectronicdatacheckingweight,reducetheworkloadofworkerstoimproveworkefficiency精品文檔精品文檔Automaticbatchingandweighingsystemisakindofintegratingtransportation,measuring,mixinginanonlineautomaticweighingapparatusmeasureddynamic.Thissystemconsistsofoneormoreingredientsbeltscales,canshownotonlytransientflowandtotalamountofconveyorbelt,canalsoaccordingtothevalueoftheinstantaneousflowdeviationtoadjusttothesizeofthefeedtoflow,constituteaclosersettingcontrolsystem,andachieveconstantflowofpurpose.Alongwiththerapiddevelopmentofindustrialproduction,electronicbeltscaleincreasingdemandofburdeningsystem,waswidelyappliedinapanofmetallurgy,power,chemicalindustry,foodindustryetcofprocesscontrol.Atthesametime,alongwiththecomputertechnologyandtherapiddevelopmentoftheautomaticcontroltechnology,thesystemapplicationtechnologymoreadvanced,moreextensive,fieldcantaketheschemeismoreagilediversity,and,duetothesystemoftencostly,usersoftheactualconditionsarealsodifferent.Therefore,careful,chooseareasonable,perfect,economicsolutionappearsespeciallyimportantAlongwiththeenterprisescaleexpansionanddevelopment,automaticbatchingcontrolsystemhasundergoneconsiderabledevelopmentBatchingproductionsystemisasysteminwhichavarietyofrawmaterialsaccordingtoacertainproportionaremixedtogether,forprocessingtoproduceaproductoftheprocessAmongthem,theingredientsareindispensableintheproductionofkeyingredients,accurateproductqualityhasimportantinfluenceWiththedevelopmentofinformationtechnologyandthedevelopmentofautomaticcontroltechnology,anewgenerationofbatchingcontrolsystemwilltowardsinformationandintellectualization.Inthispaperaprogrammablecontroller(PLC)asthecoreoftheautomaticbatchingcontrolsystem,completewithahighercost,theapplicationofautomaticblendingcontrolsystemPLCbecauseofitspowerful,easytouse,high精品文檔精品文檔reliability,isoftenusedasthefielddatagatheringandtheequipmentcontrol.Inthispaper,automaticbatchingsystemdevelopmentpresentsituation,applicationprospectsarediscussedinthispaper,thetraditionalingredientsonthebasisofthesystem,presentstheoveralldesignofthesystemandthebasicstructureofthesystem,andtherelatedequipment,suchaselectronicproportioningscalestructureandcontrolprinciple,technicalparameterswereintroducedThenthepapergivesthebatchingcontrolsystemelectricalcontrolpartofthemaincompositionandtheuseofPLCrealizefieldbatchingequipmentdynamiccoordinatedcontrolmethods,therebyenablingtheproportioningsystemcanworkautomaticallyaccordingtothedemandfeeding,weighing,batchingprocess,wellpresentedbatchingcontrolsystempartofthecontrolprocessIntheactualoperation,toachievethedesiredresults,forothercontrolsystemalsohastheverygoodreferencevalue.TheoveralldesignphilosophyoftheAutomaticbatchingandweighingsystemofthebeltis:Beforethebeltisputintooperation,thesettlementvalueoftheflowofthesuppliesisestablishedonthekeyboardbythetocarryonthebelt.Afterthesystemisputintonormalrunning,loadingsignalofthebeltthattheone-chipcomputersamplesandthespeedsignalleaves,walkbeltspeedsignalandbeltinstantaneousweight,unitoflengthisitcancalculateoutbelttwinklingofaneyeflowFofsuppliestomultiply(t).Theflowcanbeinchargeofthenumberandshow,offerthecraftdatatotoconsultinthetwinklingofaneye.8031systemsandthencomparetheactualvalueoftheflowinsteadoftheestablishingvalue,calculateoutcontrollingamountviafterPIDregulatesoperation,andthenchangeintotheelectriccurrentandoutputthesignal,andthenenlargedandcontrolledleadingtheopenangleofsiliconcontrolledrectifier,realizeregulatingthefunctionoftheelectricityelectromechanicalmagnetism精品文檔精品文檔clutchexcitationelectriccurrentofslipperydifference,thusregulatetherotationalspeedoftheslipperydifferenceelectricalmachineryofexecutivebody,enabletransportingtheflowofsuppliesonbeltstostabilizeintheadjacentplaceofsettlementvalueasmuchaspossible,haveagoodstaticindexanddynamicperformance.Themainfunctionsaremonitoringsoftware,accordingtotheproductionofformulaandyieldtargetweighingprocessofautomaticcontrol,statisticdatamanagementandweighingachieveprint.Systemsoftwarehasavarietyofon-sitecontrolmodeandtheinput,aformulaofadaptingtodifferentengineeringrequirements,userscansetalarmprinttimeparameters,usethemenuinterface,easytouse,userscanthroughthemouseorkeyboardoperateontheingredients,controlandmanagementsystem.Throughcomparativeanalysiscontrolsystemsandcomputercontrolsystemisonitsownfeatures,andestablishasystembasedontheoveralldesigncontrolsystemofthought,tofocusoncontrolanddecentralizedadministrationforguidingprinciplesandusethecomputerandPLCmakeuptheformofastructuretoachievethegoal.controlsystems.Secondonahardwaresystem,includingtheoldmachineofchoice,sensorsandweighthechoiceofthatinstrument.theupperintheeconomyandmeettherequirementsofthepracticalprinciple,bycomparingIPandbrandpersonalcomputersanddecidedtousethecomputer,thefamousbrandintheproductionislargelycompletecontrolof,throughcomparativeanalysisselectionofgermansiemenss7-200seriesofthePLC.PLChighreliabilitycanmeetthedemandsofcontrol.thesensorselectionoftheresistancestraininweighthechoiceofsensor,themainconsiderationofthequantumandprecisiontotwoitems,thealgorithmsandcontrolofthePLCcontrol.thisschemeofcontrolefficiencyandaccuracyofrelativelyhigh,withallsectorsoftheingredientsproducedaverygoodandguidingroleof精品文檔精品文檔theapplication.PLC 自動配料稱重系統(tǒng)的設計PLC的定義有許多種。國際委員會（IEC）的定義是：可編程控制器是一種數字運算操作，專為在工業(yè)環(huán)境下應用而設計的電子系統(tǒng)。它采用可編程序的氣，用來在其內部存儲執(zhí)行邏輯運算，順序控制，定時，計數和算術運算指令，并通過數字式，模擬式的輸入和輸出，控制各種類型或生產過程?？删幊炭刂破骷捌溆嘘P設備，都應按易于與工業(yè)控制系統(tǒng)作為一個整體，易于擴充其功能的原則設計。PLC具有通信聯(lián)網的功能，它使PLC與PLC，PLC與PC之間的信息交換和其他智能設備之間，形成一個統(tǒng)一的整體，實現(xiàn)分散集中控制。多數PLC具有RS-232接口，還有一些內置有支持各自通信協(xié)議的接口。配料工人收到每天的生產調度，將依次對每種原料。根據多少稱量配料，先計算每種成分的重量的各個部件，然后料桶料，電子稱上的包裝稱重隨著科學技術的發(fā)展，自動配料稱重系統(tǒng)已廣泛應用在冶金，煤炭，化工，建材等行業(yè)，自動配料稱重系統(tǒng)可以根據輸入的比例和物質流的流量控制，從而實現(xiàn)產品質量和產量的控制目標是實現(xiàn)生產過程自動化，智能化，企業(yè)的科學管理，安全穩(wěn)定生產和能源消耗的重要技精品文檔精品文檔術手段。在配料生產過程計算機控制系統(tǒng)的使用不僅可以提高藥材產量和質量，大大降低勞動強度，提高生產效率和后。自動配料系統(tǒng)的恒流量控制采用PID調節(jié)，流量測量控制措施和變頻調速的結合偏差。介紹了流控制模式和基于控制分配系統(tǒng)的制造過程的系統(tǒng)過程。本文闡述了硬件設置和軟件PLC的選型設計，詳細的分配系統(tǒng)的變頻控制。配料工人接到日常生產作業(yè)表，將各原料按配方稱量?數，首先計算各成分的重量，然后在取料機各種部件的鼓和發(fā)送電子秤在最終包裝在這個過程中，工人的工作量大，出錯率高，體重沒有監(jiān)測體重，沒有生產數據的記錄不能保證生產過程進行編程，?PC，可編程邏輯控制器（PLC），現(xiàn)場總線技術等現(xiàn)代工業(yè)控制技術，由PC機作為上位機，PLC作為下一個位機的自動配料系統(tǒng)?在整個生產過程中，一旦生產計劃的制定，計算機將按照每個稱量原材料計劃，消除在這個過程中需要人工干預?，工人們只是為了得到材料，通過發(fā)送電子數據采取計算機ng的重量，降低了工人的工作量，提高工作效率自動配料稱重系統(tǒng)是一種集運輸，測量，在一個在線自動稱重裝置測量動態(tài)混合。該系統(tǒng)由一個或多個配料皮帶秤，不僅能夠顯示瞬時流量和輸送帶的總金額，也可以根據瞬時流量偏差值來調整進料流量大小，構成一個緊密的設定控制系統(tǒng)，實現(xiàn)恒流的目的。隨著工業(yè)生產的迅速發(fā)展，電子皮帶秤配料系統(tǒng)的需求日益增加，被廣泛應用于泛冶金，電力，化工，食品等行業(yè)的工藝控制。同時，隨著計算機技術和自動控制技術的飛速發(fā)展，該系統(tǒng)所應用的技術更先進，更廣泛的領域，可以采取的方案更加靈活多樣，而且，由于系統(tǒng)往往耗資巨大，用戶的實際條件也不同。因此，小心，選擇一個合理的，完美的，經濟的解決方案就顯得尤為重要精品文檔精品文檔隨著企業(yè)規(guī)模的擴大和發(fā)展，自動配料控制系統(tǒng)取得了長足的發(fā)展配料生產系統(tǒng)是一個系統(tǒng)中，按一定比例的各種原料混合在一起，加工出其中的工藝產品，成分中的關鍵成分的生產必