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TDG-series

Rice-mixingPCControlSystem

InstructionsManual

ZhangzhouYujieElectronicsCo.,Ltd

TDG-PSeriesContinuousAutoRice-mixingMachine

Outline

TDG-PSeriesContinuousAutoRice-mixingMachineisakindofintelligentizedequipmentthatusesthelatestelectronicmachinerytechniqueandcanweighandcontrolthematerialsautomaticallyduringtheproduction.Itcanbeinblendingproductionwithkindsofmaterials(morethantwokinds)andwidelyapplytoriceprocess,feed,medicine,andchemicalindustryetc.

Theseriesofproductsusetheindustrialcontrolcomputerandvariable-frequencycontrolsystem,whichhasthecharateristicsofadvancedtechnique,rationalconstruction,easyoperation,convenientinstallation,stableandreliablerunningetc.Itisakindofidealequipmentforaccomplishingtocontinuousmeasuringandautoblendingproduction.

Maincharacteristicsandtechnicalparameters

Itprovidestheinstantaneous/totalflowdataofkindsofmaterialsandhasthefunctionofautoalarmandshutdownetcinstarvingprocedure.

Thebeltmodequantitativefeedingmachineconfiguresthehigh-accurateweighingloadcell,electronicdigitalinstrument.Itcanbesettheproportionatwillandwillnotdamagethematerials.

Itusesthefrequencycontroltransmissionsystemthatcanbeinmanualfeedandautocontrolfeedetc.

Thehuman-computerinterfaceiseasytooperate.

Maintechnicalparamters:differentserieshavealittlediffereces,seetheadvertisementofourcompanyindetail.

Workprinciple

Theautomatchingsystemiscomposedofmultipleelectronicbeltscales,conveyorandPCconsoleetc.Whenthematerialsgothroughtheelectronicbeltscale,thehigh-accurateweightsensortransformstheweightvariationtothecorresponding

Picture2Structruralschemeofthebeltscale

Instantaneousflowmeasuring:whenthefeedbeltrunswithspeedVandthematerialsonthebeltisdistributedevenly,theinstantaneousflowis:

F=V*G/L=Kc*G*V

Gistheweightdisplayedbytheinstrument

Visthelinearvelocityofbelt(measuredbyCDinstrument)

KcisthetransportcoefficientofbeltscaleKc=1/L

Listheeffectivelengththatbeltscalebearthematerials

PCconsole

TheconsoleisusedformeasuringtheweightanddetectingtheRPM.Itfiguresouttheflowofmaterialsonbeltscaleandcompareswiththetheoricalflowsetbyuser,andoutput0-10Vvoltageaccordingtothedifference.Itisalsousedforcontrollingthevariable-frequencygovernorinbeltscale,andrealtimecontrolthetranssimisionspeedofbeltscaletomaketheflowofbeltscalebeequaltothetheoricalvalue,toaccomplishtocontrollingthequantitativefeeding.Theconsolecontrolsmultiplebeltscaleatthesametimesothatcanaccomplishtotherice-mixingcontrolaccordingtotheteamproductionandmatching.

Theconsolealsomatchedthe“manual/auto”runningswitch,conveyorstartingandrunningbutton,autorunninglight,andex-erroralarminglight.Italsohasmanual–runningfrequency-adjustpotentiometer,eventhoughthereisnocomputer,itcanalsoworkbymanualoperating.

Preparationbeforeproduction

Checkeachconnectlinesifcorrect,whenready,turnonthemainsupplyofcontrolcabinet.

Turnontheindustrialcontrolcomputer,nowthecomputerstarts,startthesoftwaremainform.

Turnthe“manual/auto”correspondingtoeachstationofcontrolcabinetto“manual”position.

CalibratetheweightdisplayofCDinstrumnetandsetFUN11in“2”.

CalibratethelinearspeedVofbeltscale.

Setuptheparameterofteamproductionandmaterialmatchingparameterineachstation.

SetupthealarmparameterandPIDcontrolparamter.

Productionsteps

Whenallthepreparationisready,connectthepowersupply;turnthepotentiometerknobtominimumandpressstartingbuttonofalltheconveyorstomakethemstarttowork.Andthenopenthehoppergate,widenthegatewhichhashighmatchingratio,incontrast,narrowthehoppergate.

Firstrotatethepotentiometermanuallytogoconstantproductionbeforeworking

Turnthe“manual/auto”switchontheoperatingpanelto“manual”position,nowitcomesintomanualoperatingstate.Regulatethepotentiometerscorrespondingtotheeachbeltscaleslowlyuntilthefrequencyvalueofconverterreachestotheneed,thenthebeltscalewillrunwiththesettingfrequency.

Whenthebeltisstarting,itcomestoautoproduction

Choose“Auto”inthemainformandclick“Boot-strap”,andthenturnthe“manual/auto”switchoncontroloperatingpanelto“auto”position,nowthebeltscalestartstorunautomatically.Thecomputerwilldisplaythecorrespondingproportioncoefficient,theoricalflow,realtimeweightofeachbeltscale,instantaneousflowandRPM,theconverterdisplaysthefrequencyvalue.Whenthematerialweightvaluechanges,thefrequencyvaluewillalsochange,andthetranssmisionspeedofbeltsclaewillfollowtochange,toaccomplishtofeedingprorata.

Ex-erroralarmfunction:

Whenonematerialoverrunserror(so-calledoverrunerroristhatthehighestoutputfrequencyofbeltscaleoroutputfrequencyoroutputvoltageislessthanlimitedvalue,ortheweightexceedsthelimitedvalue)andexceedsthelimitedtime,thecomputerwillappearalarmindicateforwords,thealarmlightontheconsoleison,thebuzzerrings,tomakeoperatorpayattentionordomanualintervention.

Disposalmethod:whenthestarvingcausesex-error,youcanrisethehoppergateorpoweronuntilthematerialsincrease;whenthetooheavymaterialscausethetoolowfrequencyandsendoutthealarm,youcanlowerthehoppergateorchangethematchingratio.

Zeroadjustandquantizingofbeltscale(operationCD940instrument)

Zeroadjust:

Firstclearthethingsonthebeltscale,andthenpress【Set】onetimetodisplay“FUN1”,press【+】onetimetodisplay“FUN2”,andpress【Enter】todisplayinternalcode,press【-】afterseveralsecondstheswinglightisoff.Andafterseveralsecondsdisplaying“0.00”itreturnstodisplayinternalcode,soitissuccessfullyreset.Press【Enter】onetimetoquitzeroadjustfunctionanditdisplays“0.00”,theresetoperationiscompletedtodate.

Weightadjust:

Firstsetuptheweightvalueofbalanceforcalibration,andpress【Set】onetimetodisplay“FUN1”,press【Enter】todisplay“000.00”.Supposethebalanceweightis20KG,press【Shift】onetimeandpress【+】towtimestodisplay“20.00”,andpress【Enter】tosavethesettingvalueanditdisplays“FUN1”.Nowpress【+】onetimetodisplay“FUN2”,andpress【Enter】todisplayinternalcode,nowcleartheleftoverinscalebodyandpress【-】toresetafterseveralsecondsthe“Swing”lightisoff,itwillreturntodisplayinternalcodeafterdisplaying“0.00”severalseconds,soitissuccessfullyresetandtheresetoperationiscompletedtodate;nowputthe20KGbalanceontothescalebodyandkeepitsteadywithoutshaking,(nowtheinternalcodealsoincreasesacertainvalueaccordingly,iftheinternalcodedicreaseinstead,itshowsthatthesignalwireofsensorisoppositelyconnected,justexchange)press【+】todoquantizationafterseveralsecondsthe“Swing”lightisoff,itwillreturntodisplayinternalcodeafterseveralsecondsdisplaying“20.00”,thequantizingoperationiscompletedtodate.Press【Enter】toquitweightadjustfunctionanditdisplays“20.00”,nowtakeawayallthebalances,theinstrumentdisplays“00.00”,itshowsthatthequantizingissuccessful,oroperateoncemore.

RPMtestofthebeltscale

Clickthe“Settings”inthemenubarofthecomputermainform,itappearsthepull-downmenu(therightpicture),choose“Beltscaletransportcoefficientsetting”anditappearstheinterfaceinthefollowingpicture:

Picture4

Picture5

Usethespeedtestfunctiontotestthespeed:(tick“√”intheleft-handcornerofPicture5).Picture6

SetKnvalueofeachscalein1,asfollowingpictureshows:

Picture7

Speedtestformula:thebeltscalespeedV=Kn1*speedtestdataoftheinstrument

Whentheparameterissetupandsaved,returnthemainform,nowturnthe“Manual/auto”tomanual,turnonthepowerofNo.1scale,rotatethemanualpotentiometerofNo.1scaleandkeepinonepositiontomakebeltRPMconstant.Now,seehowmuchthebeltrunningspeed(therightpicture)isonthemainform.Forinstance,thedisplayingvalueV1=8m/s,recordthisvalue,thecorrespondingKnis1;andthenmanuallymeasurethetimeTthatthebeltsclaetakesaturncostbystopwatch(measureitmoretimesandgettheaveragevalue),supposeT=8seconds,thebeltperimeterL1is3.2meter,sothereallinearspeedV2=L1/T=3.2/8=0.4m/s,andtherealKnvalueshouldbe:Kn=reallinearspeedV2/displayspeedV1=0.4/8=0.05,asaresult,changetheKnvalueofNo.1sclae(Picture4shows)to0.05,andmeasuretheKnvalueofotherstationbythesameway.

ThebeltRPMisconvertedbyvariable-frequencyvoltage:(nottick“√”)Picture9

Whencancel“√”,theKnvaluewillautochangetothecorrespondingvalue.SettheKnvaluein1,asthefollowingpictureshows:

Picture10

ThecalculatingmethodofKnvalueisthesameastheoneofspeedtest,referencetothepreviouspart.

Speedcalculatingformula:runningspeedofthebeltsclaeV=Kn2*RPMamend*variable-frequencyoutputvalue

Generallyspeaking,theRPMamendissetin1,justamenditwhenthereexistsdeviationbetweenthetestedspeedandrealvalue,asthepictureshows:

Picture11

Introductionofmachingcontrolsoftware

Thematchingconsoleusestheindustrialcontrolcomputer,ifcoordinateswiththecontrolsoftwaredevelopedbyourcompany,itcanaccomplishtocontrollingtheparametersetting,datadisplayandcontrolsignaloutput,andachievethepurposeofautomaichingcontrol.

ThemainworkinginterfaceofthecontrolsoftwareisshowninPicture12:

Picture12Mainformofthecontrolsoftware

Mainform

☆I(lǐng)tcandisplaytheworkingparametersetbyuser:teamproductionandmatchingratioofeachbeltscaleareshowninPicture13:

Picture13

☆I(lǐng)tcandynamicallydisplaytherunningdataofbeltscale:theweightvalue,settingflowvalue,instantaneousflowvalue,beltrunningspeedvalueandvariable-frequencyoutputvalueofeachbeltscaleareshowninthefollowingpicture:

Picture14

☆I(lǐng)tmatchesthemanualandautobuttonandboot-strapbuttonforusers:

Picture15

Thereisthepull-downmenuinthemainformforuserstochoose,asPicture16shows:

Picture16Pull-downmenu

Teamproductionandmatchingsetting

Beforeworking,theteamproductionshouldbesetaccordingtotherealsituation,andthematchingofbeltscalemustbesetwithuser’stechnicaldemand,butdon’toutstriptheworkabilityoftheequipment.Clickthe“Setting”buttoninthemainform(Picture17)anditappearsthatPicture18shows:

Picture17

Picture18

Whentheaboveparametersareallsetupandtheflowunithasbeenchosen,click[Confirm]tosavethesettingparameteranditautogeneratesthesettingflowofeachbeltscale(therightpicture).

Beltscaletransportcoefficientsetting:

Clickthe“Settings”inthemainformandchoose“Beltscaletransportcoefficientsetting”,itappearsthatPicture20shows:

Picture20

BeltscaleKcvalue:beforethematchingistakeninuse,youshouldchecktheKcvaluetoensuretheaccuracydemandoftotalflow.Kccalculatingformula:Kc=1/L.

Listheeffictivelengththatthebeltscalebearthematerials,namely,thedistancefromfeedopeningtodischargehole.

Picture21

Wheninmeasuring,theeffectivelengthLwillcauseman-madeerrorandmeasuringerror,soyoushoulddofine-regulationtoKc.Theregulatingmethodisasfollowings:

Afterthebeltscaleisreset,firstfigureoutaKcvalueaccordingtothemeasuringvalue,andputitintheparametersettingsofmainprogram.Nowturnthe“Manual/auto”ontheconsoleto“manual”andturnonthepowerofNo.1scalemotor,rotatethemanualpotentiometerofNo.1scaleandkeepinonepositiontomakethebeltRPMconstant.AndthenputacertainweightG1materialsintothehopperuntiltheG1materialsareallsentout.NowcheckthetotalvalueG2displayedbytheinstrumentifbeequaltoG1,ifnot,whenG2<G1,increaseKcvalue;whenG2>G2,dicreaseKcvalue.AdjustituntilG2=G1,theKcvaluecalibrationiscompleted.CalibratetheKcvalueofotherbeltscalesbythesameway.

TheRPMcoefficientandRPMamendvalueshouldbesetbyexperiencedtechnician.ReferencetoPart9toseethedetail.

Alarmsetting

Userscansettheupperandlowerlimitparameterofbeltscaleandfrequencyconverterandalarmcontrolparameteraccordingtotheactualsituation.Clickthe“Settings”inthemainformandchoose“Alarmsetting”inPull-downmenu,itappearsthatPicture24shows:

Picture23

Picture24

Choosingtheweightalarmandthenshutdownwillbefavourableforprotectingthesystemifitappearsunusualinproduction.

PIDparametersetting

PIDparameterisusedforregulatingthestabilityofvariable-frequencycontrol,regulatethisparameterproperlyifthecontrolisunstableorinshake.Clickthe“Settings”inthemainformandchoose“PIDparamtersetting”inpull-downmenu,itappearsthatPicture25shows.

ProportioncoefficientKp,integralcoefficientKianddifferentialcoefficientKdarethethreeimportantparametersinPIDcalculation,thelargertheyareset,themoretimelytheflowwilltrace,butthefluctuationwillbelargeandeasytocauseshake;thesmallertheyareset,theslowertheflowwilltrace,butthefluctuationwillbesmall,theproductionwillbestableandnoteasytocauseshake.

ThecontrolcycleTcyisthetimeintervalinthesecondcontrol.Itisgenerallysetin2-3seconds.

Picture25

Thecontrolsteplimitisthemax.valueeverytimethefrequencyoutput,thesmalleritisset,themorefavourableitwillbeforavoidingthecontrolsystemcausingshake.Itisgenerallysetin2-4Hz.

Setoutputoriginalvalue

Clickthe“Settings”inthemainformandchoose“Setoutputoriginalvalue”inpull-downmenu,itappearsthatPicture26shows:

Picture26

Outputoriginalvalue:justchoose“Auto”intheprogrammainformandclick“Boot-strap”,itisthefrequencyvaluethatfirstoutputwhenthesystemstartstorunautomatically.Youcanmaketimelagaccordingtothesettingdelaytime.Whenthemainprogramruns,onlythe“Manual/auto”ontheouterelectriccontrolcabinetisturnto“auto”canthesystemrunautomatically,butifso,PIDwillstarttocalculatefrom0andalwayscauseshakeandfluctuation,whichmakethesystemunstable.Therefore,settingtheoutputoriginalvaluecansolvethisproblem.

Totalflow

Clickthe“Settings”inthemainformandchoose“Totalflowsetting”inpull-downmenu,itappearsthatthefollowingpictureshows:

Picture27

Totalflowismainlyusedforwatchingalltheflowandworkingtimeofthesystemandthetotalflowofeachbeltscale.Ifuserwantstoupdatethestatistics,justclick“Clearthetotalflow”button,thesystemwillcleartheoriginaltotalparametersandbegintomakethestatisticsagain.

“Recordintervaltime”cannotbesettoosmall,orthedatabasewillbemoreandmorelarge.

Passwordsetting

Clickthe“Settings”inthemainformandchoose“Resetpassword”,itappearsthatthefollowingpictureshows:

Picture28

Inordertopreventtheparametersettingerrorfromleadingtotheabnormalwork,itshouldbechargedbytheappointedman.Sowhenuserentersanotherparametersetting,therewillbeapasswordhint,onlyuserentersthecorrectpasswordcanhecomesintotheparame

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