自動化生產(chǎn)線安裝與調(diào)試-雙語版智慧樹知到答案2024年北京電子科技職業(yè)學(xué)院

自動化生產(chǎn)線安裝與調(diào)試-雙語版北京電子科技職業(yè)學(xué)院智慧樹知到答案2024年第一章測試

Themainteachingcontentofthecourseisdividedintopreparationsection,specialsection,singlestationsectionand_______.（）

A:ChallengesectionB:ExpansionsectionC:ComprehensivesectionD:Competitionsection

答案:CTakingYL-335BautomaticassemblylineofYalongCompanyastheteachingcarrier,studentsandenterpriseemployeesaretrainedtomasterthemechanicalinstallationandadjustment,circuitdesignandconnection,equipmentparameterfieldsetting,human-machineinterfaceconfiguration,controlprogramminganddebugging,andequipmenttroubleshootingabilityfromsimpletocomplex,fromsinglestationtothewholeline.（）

A:錯B:對

答案:B

第二章測試

Theautomaticproductionlineconsistsofautomaticexecutiondevices(includingallkindsofexecutivedevicesandmechanisms,suchasmotors,electromagnets,solenoidvalves,pneumatic,hydraulic,etc.),throughvariousdetectiondevices.（）

A:錯B:對

答案:BThefrequencyconverterofthesortingunitdrivestheconveyorbeltmotortooperate,sothatthefinishedworkpieceistransportedontheconveyorbelt,andthepropertiesoftheworkpiece(color,material,etc.)areobtainedinthedetectionarea.Afterenteringthesortingarea,thediversionoftheworkpiecewithdifferentpropertiesfromdifferentmaterialslotsiscompleted.

A:錯B:對

答案:BTheprocessingunitcompressestheworkpiece.

A:錯B:對

答案:BTheassemblyunitcompletesembeddingthemetal,blackorwhitesmallcylindricalcoreinitssilointotheworkpiecetobeassembledontheassemblyplatform.

A:對B:錯

答案:AThefeedingunitpushestheworkpiece(rawmaterial)placedinthesiloontothematerialtableasrequired.

A:對B:錯

答案:A

第三章測試

ThemethodofinformationexchangebetweenthemechanicaldeviceofworkunitandPLCdeviceisthattheleadsofeachsolenoidvalveandsensoronthemechanicaldeviceareconnectedtothewiringportonthedeviceside.TheI/OoutgoinglineofPLCisconnectedtotheterminalofPLCside.Thetwoterminalsareinterconnectedbymulti-coresignalcables.（）

A:錯B:對

答案:BThewiringterminalofthewiringportonthedevicesideadoptsathree-layerterminalstructure,whichisdividedintoupperandlowerparts.

A:對B:錯

答案:BThe25-pinconnectorcableconnectstheinputsignalofPLC,andthe15-pinconnectorcableconnectstheoutputsignalofPLC

A:錯B:對

答案:BThebasicfunctionsofFX3UseriesPLCarecompatiblewithallthefunctionsofFX2Nseries,andalsoadopttheformofbasicunitplusexpansion,whichcanconnecttheinputandoutputexpansionunits/modulesofFX2Nseries.

A:錯B:對

答案:BDuetotheenhancementofFX3Ucommunicationfunction,thePLCofYL-335BsortingunitcandirectlyusethespecialfrequencyconversioncommunicationcommandofPLCtoRS485communicationwiththefrequencyconverterbyconnectingaspecialadapterFX3U-485ADP-MBforcommunication.

A:對B:錯

答案:A

第四章測試

Thesensorisakindofsensorydevicesuchashumaneyes,ears,noseandsoon__________Thedevicecansensethespecifiedmeasurementandconvertitintoelectricalsignaloutputaccordingtocertainrules.（）

A:DetectionB:StorageC:ImplementationD:Control

答案:A__________principleisusedforphotoelectricproximityswitch(referredtoasphotoelectricswitch),whichisusedtodetectthepresenceofobjectsandsurfacestatechanges,etc.（）

A:HalleffectB:InductanceeffectC:MagneticinductioneffectD:Photoelectriceffect

答案:DThephotoelectricproximityswitchismainlycomposedoflighttransmitterandlightreceiver.Ifthelightemittedbythelightemitterismaskedorreflectedduetodifferentobjectsdetected,theamountoflightreachingthelightreceiverwillchange.Thesensingelementoftheopticalreceiverwilldetectthischangeandconvertitintoanelectricalsignaloutput.（）

A:對B:錯

答案:AAccordingtothedifferentwaysofreceivinglight,thephotoelectricproximityswitchcanbedividedintothreetypes:theoppositetype,thereflectiontypeandthediffusetype.（）

A:錯B:對

答案:BInautomaticproductionline,proximityswitchisusuallyconnectedwithPLCinputassignalinputelement.Beforewiring,thesignaloutputandthepositiveandnegativeoutgoinglinesofthepowersupplyshouldbeidentifiedfirst,whichcanbedistinguishedbycolorsaccordingtotherelevantinternationalstandards:BrownisthepositivepoleoftheDCcircuit,blueisthenegativepole,andblackisthesignaloutputline.（）

A:錯B:對

答案:BTheinstallationandwiringofopticalfibersensorhasbeencompleted,mainlytheadjustmentofamplifiersensitivity.Thesensitivityreferstotheabilitytodetecttheobjectwhenthefiberheadisatacertaindistancefromtheobjecttobedetected.Thesensitivityisnotonlyrelatedtothedistance,butalsotothesize,surfacestateandcolorofthedetectedobject.（）

A:對B:錯

答案:Atheinductiveproximityswitchusesinductancecoilinhighfrequencyoscillator(LCoscillator)asdetectionelement.Theeddycurrenteffectwillbeproducedwhenmetalobjectisclosetoinductancecoil,whichwillcauseamplitudeorfrequencychangeofoscillator.Signalconditioningcircuitofsensor(includingdetection,amplification,shaping,outputandothercircuits)willconvertthechangeintoswitchoutput,soastoachievedetectionPurpose.（）

A:錯B:對

答案:BTheinductiveproximityswitchisused_____________Manufacturedsensors.（）

A:HalleffectB:MagneticinductioneffectC:EddycurrenteffectD:Photoelectriceffect

答案:C_____________isakindofsensorwhichconvertsthemechanicalandgeometricdisplacementoutputtotheshaftintopulseordigitalsignalthroughphotoelectricconversion.Itismainlyusedforthedetectionofspeedorposition(angle).（）

A:InductiveproximityswitchB:MagneticswitchC:PhotoelectricproximityswitchD:Rotaryencoder

答案:Dtheminimumresolutionangleofthesensorisdeterminedbythenumberoffringesonthegratingdiskofthephotoelectricencoder,thatis,theresolutionangleα=360°gfringenumber.Forexample,ifthenumberoffringesis500lines,thentheresolutionangleα=_______。（）

A:1.48B:360C:500D:0.72

答案:DTwoslitsaresetonthelightbarrierboardInordertoprovidetheinformationofrotationdirection,theA-phaseslitcorrespondstotheA-phaseluminouselementandthelightreceivingelement;similarly,theB-phaseslitcorrespondstotheB-phaseluminouselementandlightreceivingelement.Iftheratioofthedistancebetweenthetwoslitsandthegratingspacingtsatisfiesacertainrelationship,thephasedifferencebetweenaandBpulsetrainscanbe90o.WhentheA-phasepulseisaheadofB-phase,itistheforwardrotationdirection,andwhentheB-phasepulseisaheadofaphase,itisthereversedirection.（）

A:錯B:對

答案:BSincetheworkingcurrentofencoderusedinsortingunitreaches110mA,attentionshouldbepaidtothepositivepowerlead(red)ofencodermustbeconnectedto+24Vregulatedpowersupplyterminalatthedevicesideconnectionport,andshouldnotbeconnectedtothepowerterminalVCCwithinternalresistance.Otherwise,thevoltagedropofworkingcurrentontheinternalresistanceistoolarge,sothattheencodercannotworknormally.（）

A:錯B:對

答案:BThepneumatictechnologyisanengineeringtechnologythatusescompressedairaspowersourcetotransmitenergyorsignal.Itisoneoftheimportantmeanstorealizevariousproductioncontrolandautomaticcontrol.（）

A:對B:錯

答案:A___________isusedtoproduceenoughpressureandflowofcompressedairanditspurification,treatmentandstorageofasetofdevices.（）

A:CylinderB:SolenoidvalveC:SensorsD:Airsourcedevice

答案:DThedoubleactingcylinderhastheadvantagesofsimplestructure,stableoutputforce,andthestrokecanbeselectedaccordingtotheneeds.However,duetotheuseofcompressedairalternatelyactingonthepistontoachievetelescopicmovement,theeffectiveareaofcompressedairduringretractionissmall,sotheforcegeneratedislessthanthethrustgeneratedwhenextending.（）

A:錯B:對

答案:B_____________isakindofnon-contactpositiondetectionswitch,whichhastheadvantagesofnowearanddamagetothedetectionobject.Itisoftenusedtodetecttheexistenceofmagneticfieldormagneticmaterial.（）

A:MicroswitchB:PhotoelectricproximityswitchC:MagneticswitchD:Travelswitch

答案:CThevalvewhichusestheelectromagneticcoiltoelectrify,thestaticironcoreproduceselectromagneticattractiontothemovingironcoretomakethevalveswitch,soastochangethedirectionofairflow,iscalledtheelectromagneticcontroldirectionalvalve,referredtoasthesolenoidvalve.Thiskindofvalveiseasytorealizeelectricandpneumaticjointcontrolandcanrealizeremoteoperation,soitiswidelyused.Accordingtothecontrolnumber,theelectromagneticdirectionalvalvehastwotypes:singleelectriccontrolanddoubleelectriccontrol.（）

A:對B:錯

答案:AThedifferencebetweendoubleelectriccontrolsolenoidvalveandsingleelectriccontrolsolenoidvalveisthatforsingleelectriccontrolsolenoidvalve,whenthereisnoelectriccontrolsignal,thevalvecorewillberesetundertheactionofspringforce,whilefordoubleelectriccontrolsolenoidvalve,whenthereisnoelectriccontrolsignalatbothends,thepositionofvalvecoredependsontheactionresultofthepreviouselectriccontrolsignal.（）

A:錯B:對

答案:BThetwoelectriccontrolsignalsofthedoubleelectriccontrolsolenoidvalvecannotbe"1"atthesametime,thatis,thetwocoilsarenotallowedtobepoweredonatthesametimeinthecontrolprocess,otherwise,thesolenoidcoilmaybeburnedout,ofcourse,inthiscase,thepositionofthevalvecoreisalsouncertain.（）

A:錯B:對

答案:BTheprogrammablelogiccontroller(PLC)iswidelyusedinmodernautomaticproductionequipmentwithitshighanti-interferenceability,highreliability,highperformancepriceratioandsimpleprogramming.Itplaysthethebraintheproduction--roleoflinecontroller.（）

A:對B:錯

答案:AThetransistoroutputPLCcanonlycontrolthelow-voltageDCcircuitof24VDC×300mA,withsmalldrivingcurrent,highoperationfrequencyandlongservicelife.（）

A:對B:錯

答案:APLCcontrolprocessisgenerally:inputrefresh→runuserprogram→outputrefresh,theninputrefresh→runuserprogram→outputrefresh,neverstopscanningaccordingtotheaboveprocess.Ineachcycle,the"runninguserprogram"phasestartsfromthefirstprogramandexecutesonebyoneaccordingtothesequenceofprogramstoragewithoutinterruptionorjumpcontroluntiltheendoftheprogram.ThisworkingmodeofPLCiscalledscanningmode,anditscharacteristicscanbesummedupas"cyclicscanning,sequentialexecution".（）

A:對B:錯

答案:AtheE3Z-LS63photoelectricswitch(madebyOmron,Japan)usedinthefeedingunitisshowninthefigure.Ifyouwantthesensortohaveasignalaftertheworkpieceisdetected,theactionswitchinthephotoelectricswitchshouldbesetto___________pattern.（）

A:AB:LC:DD:C

答案:BIntheE3Z-LS63photoelectricswitch(madebyOmron,Japan)usedinthefeedingunit,thereisastabledisplaylamp(greenLED)inthestatusindicatorlamp,whichisusedtoselfdiagnosethemarginofenvironmentalchanges(temperature,voltage,dust,etc.)aftersetting.Ifthemarginissufficient,thedisplaylightwillbeon.Onthecontrary,ifthedisplaylightgoesout,itmeansthatthesiteenvironmentisnotsuitable,andthefaultshouldbeeliminatedfromtheenvironmentalaspects,suchashightemperature,lowvoltage,insufficientlight,etc.（）

A:錯B:對

答案:B

第五章測試

ForPLCofFX3Useries,theDECOinstructionis______________Instructions.（）

A:PositioningB:ComparisonC:DecodingD:Transmission

答案:CAllkindsofPLCprogrammingsoftwarehaveon-linemonitoringfunction,buttheformsandfunctionsaredifferent.Onlinemonitoringcanbecarriedoutin"STOP"or"RUN"mode,butonlyI/Opointstatusmonitoringcanbecarriedoutin"STOP"mode,nottheoperationoftheprogram.（）

A:對B:錯

答案:ATheonlinemonitoringfunctionisbasedonthepremiseofensuringthenormalcommunicationbetweentheprogrammingsoftwareandPLC.Therefore,anewprojectshouldbecreatedfirst,andthenthecommunicationtestbetweentheprogrammingsoftwareandPLCshouldbecarriedout.OnlywhenthetestissuccessfulcanI/opointstatusmonitoringbeimplemented.（）

A:錯B:對

答案:BThecheckingandmappingofelectricalcontrolcircuitwiringisanimportantpartofelectricalinstallationandmaintenanceengineering.Inpracticalengineering,itisaverypracticalmethodtocheckormaptheI/OwiringofPLCwiththehelpofthestatemonitoringfunctionofPLC.Amongthem,theforcedoutputfunctionofsoftcomponenttestisparticularlysuitableforthetestofsinglepointload,suchastheoutputloadofPLCissolenoidvalvecoil,relaycontactorcoil,indicatorlight,etc.Forthetestandverificationoftheinputpoint,theproximityswitchcanalsobeactivatedorresetmanually.TheinputpointassignmentoftheproximityswitchcanbedeterminedaccordingtothestatusofPLCinputpointindicatorlightonoroff.However,thisobservationmethodiseasytomakemistakes,anditisbettertouseprogrammingsoftware.（）

A:對B:錯

答案:AThewritingorforcedoutputofsoftcomponentstatusmayleadtothechangeofPLCcontrol.Safetymustbeconfirmedbeforeimplementation.Takingthistrainingactivityasanexample,itisrequiredtocleartheworkpieceinthefeedingunitsilobeforethetest,otherwise,whenthelowerpushingcylinderisforcedtoextend,thepistonrodwillbestuckbytheworkpieceafteritisextended.（）

A:錯B:對

答案:B

第六章測試

Frequencyconverterisakindofdevicewhichtransformsthefixedfrequency(usuallyfrequencyfrequencyof50Hz)alternatingcurrent(three-phaseorsingle-phase)intothree-phaseACpowersupplywithcontinuouslyadjustablefrequency(mostly0-400Hz).（）

A:對B:錯

答案:AThegeneralfrequencyconverterusuallyusestheAC-DC-ACmodetoconvertthepowerfrequencyalternatingcurrentintothree-phaseACwithadjustablefrequencyandvoltage,thatis,thepowerfrequencyalternatingcurrentatthepowergridsideisfirstrectifiedintodirectcurrent,andthenthedirectcurrentisconvertedintothealternatingcurrentwithcontrollablefrequencyandvoltage.（）

A:錯B:對

答案:BThestartingprocessofthedrivesystemwithvariablefrequencyspeedregulationstartsfromverylowfrequency(atthistime,thesynchronousspeedisalsoverylow)andlowoutputvoltage.Thespeedoffrequencyrisecanbesetarbitrarily,sothatthestartingcurrentcanbeeffectivelylimitedtoacertainrange,andtheproblemofmechanicalshockduringstartingcanbecompletelysolved.Thisstartingcharacteristicisverysuperior.（）

A:錯B:對

答案:BThecontrolcircuitoffrequencyconvertergenerallyincludesinputcircuit,outputcircuitandauxiliaryinterface,etc.Theinputcircuitreceivesthecommandsignal(switchingvalueoranalogsignal)ofthecontroller(PLC),andtheoutputcircuitoutputsthestatusinformationofthefrequencyconverter(switchingoranalogoutputinnormalcondition,abnormaloutput,etc.),andtheauxiliaryinterfaceincludescommunicationinterface,externalkeyboardinterface,etc.（）

A:對B:錯

答案:AIftheuserencountersproblemsintheparameterdebuggingprocessandwantstostartdebuggingagain,theoperationmethodofparameterclearingorinitializationcanbeused.Intheparametersettingmode,usetheMknobtoselecttheparameterNo.asPr.CL(parameterclear)andALLC(parameterclear),settheirvaluesto1toreturntheparameterstotheiroriginalvalues.（）

A:對B:錯

答案:ARMterminalrepresents________intheterminaldistributiondiagramofMitsubishiInverterwithmodelFR-740.（）

A:LowspeedcontrolterminalB:HighspeedcontrolterminalC:MediumspeedcontrolterminalD:Forwardcontrolterminal

答案:CSTFterminalrepresents______intheterminaldistributiondiagramofMitsubishiInverterwithmodelFR-740.（）

A:ReversecontrolterminalB:MediumspeedcontrolterminalC:ForwardcontrolterminalD:Highspeedcontrolterminal

答案:CintheterminaldistributiondiagramofMitsubishiInverterwithmodelFR-740,theSTRterminalrepresents________.（）

A:ReversecontrolterminalB:ForwardcontrolterminalC:HighspeedcontrolterminalD:Lowspeedcontrolterminal

答案:AintheparametersettingofMitsubishifrequencyconverterwithmodelFR-740,theparameterPr.79issetas__________.（）

A:LowerlimitfrequencyB:OperationmodeC:UpperlimitfrequencyD:Referencefrequency

答案:BIntheparametersettingofMitsubishifrequencyconverterwithmodelfr-740,theparameterpr.2issetas______________.（）

A:LowerlimitfrequencyB:AccelerationtimeC:DecelerationtimeD:Upperlimitfrequency

答案:A

第七章測試

TheservosystemofPanasonicminas-a5orminas-a6seriesselectedbyYL-335Bequipmenthaspositioncontrol,speedcontrol,torquecontrolandothercontrolmodes.YL-335Bonlyusespositioncontrolmode,whichisthemostbasicandcommonlyusedcontrolmodeaccordingtothepositioncommand(pulsetrain)inputfromtheuppercontroller(PLC).（）

A:錯B:對

答案:BPanasonicMINASA5seriesACservomotorsanddriversareextremelysimpletosetandadjust;thematchingmotoradopts20bitincrementalencoder,whichhashighstabilityonlowrigidmachinesandcanoperateonhigh-speedandhigh-precisionmachines,soitiswidelyusedinvariousmachines.（）

A:錯B:對

答案:BTherotationdirectionofACservomotorcannotbechangedbyexchangingthree-phasephasesequencelikeinductionmotor.ItmustbeensuredthattheU,V,WandEterminalsonthedrivercorrespondtothemaincircuitterminalofthemotoronebyoneaccordingtothespecifiedsequence,otherwisethedrivermaybedamaged.（）

A:錯B:對

答案:BTheservodriverhasvariousparameterstosetitscharacteristicsandfunctions.Theparameterscanbedividedintosevencategories:Class0(basicsetting);category1(gainadjustment);class2(vibrationsuppressionfunction);class3(speed,torquecontrol,fullclosedloopcontrol);class4(I/Fmonitorsetting);class5(extendedsetting);class6(specialsetting).ThemethodofsettingparametersistosettheparametersonthespecialdebuggingsoftwareafterconnectingwithPCandonthefrontpanelofthedriver.TheservoparametersofYL-335Barenotsetmuch,onlyonthefrontpanel.（）

A:對B:錯

答案:AParameterinitializationoperationbelongstoauxiliaryfunctionmode.Pressthe"mode"keytoselecttheauxiliaryfunctionmode,appearstheselectiondisplay"AF_ACL",andthenpresstheupkeytoselecttheauxiliaryfunction.When"af-ini"appears,press"set"keytoconfirm,thatistoentertheparameterinitializationfunction,andtheexecutiondisplay"ini-".Continuetopresstheupkey(about5seconds),when"StArt"appears,theparameterinitializationstarts,andwhen"finish"appearsagain,initializationends.（）

A:對B:錯

答案:AInYL-335Bequipment,theservosystemworksinpositioncontrolmode.Thehigh-speedpulseoutputterminalofPLCoutputspulseasthepositioncommandofservodriver.Thenumberofpulsesdeterminestherotationdisplacementofservomotor,thatis,thelineardisplacementofmanipulator;thefrequencyofpulsedeterminestherotationspeedofservomotor,thatis,themovementspeedofmanipulator;anotheroutputpointofPLCisusedasservodriverDirectioncommand.（）

A:錯B:對

答案:BIfYL-335Bequipmentisinoperation,itmayleadtoequipmentdamageaccident,sotheparameterpr5.04issetto2.Atthistime,theservomotorstopsimmediately.Onlywhentheovertravelsignalisresetandthedriverispoweredonagainafterpowerfailure,thealarmcanbereset.（）

A:對B:錯

答案:AInYL-335B,thenumberofsynchronousteethconnectedbytheservomotoris12andthepitchis5mm.Therefore,thegrabmanipulatormoves60mmeveryrotation.Inordertofacilitateprogrammingcalculation,itisexpectedthatthepulseequivalentis0.01mm,thatis,whentheservomotorrotatesonce,itneedstosend6000pulsesfromPLC,soPr0.08shouldbesetto6000.（）

A:對B:錯

答案:APLCmustsearchtheoriginposition,soastoestablishthecoordinatesystemofmotioncontrolbeforepositioningcontrol.Thepositioningcontrolstartsfromtheorigin,recordsthecurrentpositionofthecontrolobject,anddrivesthecontrolobjecttomoveaccordingtotherequirementsofthetargetposition.（）

A:錯B:對

答案:BInpositioningcontrol,thetargetpositioncanbespecifiedintwoways:oneistospecifythedisplacementfromthecurrentpositiontothetargetposition;theotheristospecifythetargetpositiondirectly.Forthecoordinatevalueoftheorigin,PLCautomaticallycalculatesthedisplacementofthetargetpositionaccordingtothecurrentpositioninformationtorealizethepositioningcontrol.Theformerisrelativedrivingmode,andthelatterisabsolutedrivingmode.（）

A:錯B:對

答案:BTheservosysteminYL-335Bequipmentworks__________inthesystem.（）

A:TorquecontrolmodeB:SpeedcontrolmodeC:FrequencyconversioncontrolmodeD:Positioncontrolmode

答案:D_____________istheoriginregressioncommand.（）

A:PLSVB:DZRNC:DDRVID:B.DDRVA

答案:B_____________istheabsolutepositioncontrolcommand.（）

A:DDRVAB:PLSVC:DZRND:DDRVI

答案:A_____________isavariablespeedpulseoutputcommand.（）

A:DZRNB:DDRVIC:DDRVAD:PLSV

答案:Dparameterstobesetforservosysteminyl-335bequipment__________Theparametersettingistheelectronicgearratio.（）

A:Pr0.08B:Pr0.00C:Pr5.28D:Pr0.01

答案:A

第八章測試

IntheembeddedversionofMCGS,eachapplicationsystemcanonlyhaveonemaincontrolwindowandonedevicewindow,butitcanhavemultipleuserwindowsandmultiplerunningstrategies.Therecanalsobemultipledataobjectsinthereal-timedatabase.MCGSembeddedversionusesthemaincontrolwindow,devicewindowanduserwindowtoformahuman-computerinteractivegraphicalinterfaceoftheapplicationsystem,configuresandconfiguresvarioustypesandfunctionsofobjectsorcomponents,andcanalsovisualizereal-timedata.（）

A:對B:錯

答案:AThreedifferenttypesofgraphicobjectscanbeplacedintheuserwindow:primitives,symbols,andanimationcomponents.Byplacingdifferentgraphicobjectsintheuserwindow,userscanconstructvariouscomplexgraphicalinterfacesandrealizethe"visualization"ofdataandprocessindifferentways.（）

A:對B:錯

答案:AThereal-timedatabaseisadataprocessingcenterandalsoapublicdataexchangearea.Thereal-timedatacollectedfromexternaldevicesaresenttothereal-timedatabase,andthedataofotherpartsofthesystemarealsofromthereal-timedatabase.（）

A:對B:錯

答案:ATheworkingpowersupplyforthetpc7062kMCGStouchscreenis______________V.（）

A:AC220VB:DC220VC:DC24VD:AC24V

答案:CInthiscourse,themodelofMitsubishiPLCis_____________extendedcommunicationmodulecommunicateswithMCGStouchscreen.（）

A:FX3U-485BDB:FX3U-232ADPC:FX3U-422BDD:FX3U-485ADP

答案:D

第九章測試

Thedistancesettingphotoelectricswitchismainlybasedontrigonometricdistancemeasurementandhastwodetectionmodes:BGSandFGS.BGSmodeisusedtodetecttheowingandshortageofmaterials.Inthismode,thematerialsbetweenthesensorandthesetdistancecanbedetected,andthebackgroundmaterialsbeyondthesetdistancecannotbedetected,soastorealizethepurposeofdetectingtheworkpieceinthetransparentplasticpipe.（）

A:錯B:對

答案:BThecontrolprogramstructureofeachworkunitofYL-335Bcanbebasicallydividedintotwoparts:oneisthecontrolofsystemstart/stop,includingpoweroninitialization,faultdetection,systemstatusdisplay,checkwhetherthesystemisreadyandtheoperationofsystemstart/stop;thesecondisthestepsequencecontrolofprocessaftersystemstartup,whichisthemaincontrolprocessofworkunit.（）

A:錯B:對

答案:BThemainworkingprocessoffeedingunitisfeedingcontrol,whichisasinglesequencestepsequencecontrolprocess.（）

A:對B:錯

答案:ATheworkingprocessofinstallationanddebuggingoffeedingunitisasfollows:installationofmechanicalparts→connectionandadjustmentofgaspath→circuitwiring→sensordebuggingandcircuitchecking→programminganddebuggingofPLC.（）

A:錯B:對

答案:BThefunctionoftheworkpiecepushingdeviceistopushtheworkpieceatthebottomofthesiloontothedischargetable.Workingprincipleofthedevice:whentheworkpieceneedstobepushedouttothematerialtable,thepistonrodoftheejectorcylinderispushedouttopressthelowerworkpiece;thenthepistonrodofthepushingcylinderispushedouttopushthelowestworkpieceontothematerialtable.Afterthepushercylinderreturnstoitsposition,theejectorcylinderreturnstoreleasethenextlowerworkpiece.Inthisway,thenextmovementoftheworkpieceisreadyforthenexttime.（）

A:錯B:對

答案:BAccordingtotheprofessionalspecificationrequirementsofgasconnection,theincorrectdescriptionis______________（）

A:Thefirstbindingtapeis80mm+/-5mmawayfromtheconnectionoftheairpipeconnectorofthesolenoidvalvegroup.B:Afterthegaspathisconnected,itshallbeboundwithbindingtape,andthedistancebetweenthetwobindingbandsshallnotexceed50mm.Cablesandgaspipesshallbeboundseparately,butwhentheyareallfromthesamemobilemodule,theyareallowedtobeboundtogether.C:Whenconnecting,payattentiontothedirectionoftheairpipe,whichshouldbearrangedinorder,andthereisnoairpipeinthetrunking.Theairpipeshouldbeinsertedtightlyinthequickconnector,andthereshouldbenoairleakage.D:Thereisnowindpipewindingandbindingdeformation.

答案:AAccordingtotheprocessspecificationrequirementsofelectricalwiring,theincorrectdescriptionis______________（）

A:Whenconnectingwires,propercoldpressedterminalsmustbeused;whenmakingterminals,donotdamagetheinsulationpartofwires.B:Thereshouldbeatleast10cmallowanceinthecabletrench(ifitisashortwiring,itisnotrequiredinthesametrunking).C:Theconnectingwireshallhavethelabelinaccordancewiththerequirements;eachterminalshallbeconnectedwithnomorethan3wires;themetalmaterialofthewireshallnotbeexposed,andthemetalpartofthecoldpressedterminalshallnotbeexposed.D:Theinsulationpartofthecableshouldbeinthetrunking.Afterwiring,thetrunkingshallbecovered,andthereshallbenowarpingorincompletecovering.

答案:C

第十章測試

Thepneumaticfinger(airclaw)isusedtograspandclamptheworkpiece.Airclawusuallyha