基于PLC的污水处理系统外文翻译Word文档下载推荐.docx

基于PLC的污水处理系统外文翻译Word文档下载推荐.docx

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何荣法

指导教师：

张光辉

学院：

信息工程与自动化学院

2015年5月

ApplicationofcontrolsystemonthebaseofPLCinsewagetreatment

Thepaperintroducesadistributedcontrolsystemofsewagetreatment,andthecoreofthesystemisPLC。

Thestructureofthecontrolsystem,theassignmentandimplementationofthetasks，thecontrolschemeandthedesignconceptofprogramareexpounded.Thewayofcentralmonitoringmanagementanddispersingcontrolisusedbythecontrolsystem；

thelong一distancecontrolandmonitoringoffieldequipmentareunchargedoftheuppercomputer；

thesoftwareprogramofdesignsusesIntouch7.0。

Thespecifictechnology,equipment,thecontrollingofmainparameterandseveralrunningdataareunchargedofthePLCstations，andthesoftwareprogramofdesignsusesConcept2.2XLwithonlinetrackingandoutlinesimulating。

MB+netisadoptedbythecommunicationbetweentheuppercomputerandthePLCstations，withitssimplybuildingnet，quicklyrunningandstablecommunication.TheautomaticcontrolofPLChasbeensuccessfullycompletedinsewagetreatment，whichhasimprovedtheoperationefficiencyandmanagementlevelofsewagetreatmentequipment

IntroducedtotakePLCasthedistributetypecontrolsystemofcoreinthewastewatertreatmentsystemofapply。

Concretelydescribedthestructure，missionofthecontrolsystemanallotmentandcarryout,thewayofcontrolandthethoughtoftheprogramdesign.Thewaycontrolledtheconcentrationmonitorofthesystemadoptionamanagementandscatteredacontrol,theplaceofhonormachineberesponsibleforthespotthelongrangeoftheequipmentscontrolandsurveillance，softwareadoptionIntouch7。

0drawup。

ThePLCnativestationisresponsiblefortotheconcretecraft，equipmentandismainlycontrolledparametertocarryoncontrolandcollectvariousmovementdata,theprogramdesignadoptionhaveon—linefollowwithoff-lineimitatetheConceptoftruefunction2.2XLsoftware。

PlaceofhonormachineandofthePLCadoptionsetthenetbequicklysimpleandcirculatespeed,correspondbyletterthestabilitystrongMBnet。

ThewholecontrolsystemsuccessfullysolvedthePLCcontrolsaproblemintheautomationwithinwastewatertreatmentandraisedawastewatertreatmentequipmentstocirculateanefficiencyandmanagelevel。

Recently,forcarryingouthighquality,lowconsume，stabledependablemovement.Domesticandinternationalmanywastewatertreatmentfactoriesadoptedamodernforerunnertocontroltechniqueandcalculatortechniqueandconstitutecalculatordirect,controlthus,managesystem.Makesystemexcellenttoturnmovement.Buttheprogrammablelogiccontroller（PLC）thentakemicroprocessorascore。

Synthesizethecalculatortechniqueautomaticallycontrolstechniqueandcorrespondencetechniquebutdevelopsofakindofnewandingeneraluseautomaticcontroldevice.Havestructuresimple,functionsuperior,dependablesexGao，workproperlywordsingeneraluse,beeasytoplaitdistance,usageconvenienceetc。

advantageetc。

ThesilverCitythefirstwastewatertreatmentfactoryadoptedaSBRcraftandtakePLCasthecontrolsystemofcore,dayafterhandlingthesewage10×

104ttheprocessingofreachmarksewagecanusedforanagricultureirrigation。

1Controlsystemstructure

Controlthewayof"

concentrationmonitormanagement，scatteracontrol”ofthesystemadoption.Theemulationhold，placeofhonormachine，gatheralinemachine，printertoBelocatedonmediumcontrolroom,twosetPLCsarelocatedoncontrolthespot。

Adoptthiskindofstructurecanmaketheinformationintheproductionlinecancentralizedmanagementwithcarryoutwholeoperation,managementwithexcellentturn.Alsomaketocontroldangerousdispersioninthemeantime，raisethesystemcredibility.

1。

1Theuppercomputers

MediumcontroltwocalculatoradoptionPIIclassworksofroomtocontrolmachine,circulatetheoperatesystemofWindowsNT.Theplaceofhonormachineberesponsibleforonthesceneestablisheachlongrangecontrol（full—automaticcontrol,automaticcontrol，ordertomoveacontrol）withsurveillance,makeuseofIntouch7。

0engineeringsoftwarepackagesprovideagoodpersonmachinedialogueboundarybutobtainconcerningparameterandequipmentsappearanceinformationfromthePLCbysearchingaway,keepaviewmanifestationtocomeoutontheCRTbygoodsketchtype，printanecessarydatainthemeantimeandbeprovidedforlordtocontrolandmanagerinstructionproduce。

Superviseandcontrolboundarybutincludethesystemtotaldiagram，systemcentdiagram，imitatethequantitygeneralchart，parameteraconstitution,reporttothepoliceawindow,historytrendandregisterawindowetc.boundarybut。

Inthesystemtotaldiagram，circulatethepersonnelcankeepwatchonsignals,suchasallmovementappearances，equipmentstroubleandliquidwhichcontrolanequipmentanddischargeetc.Operateapersonnelinthesystemthecentthediagramcancarryonasinglemachinepointtomovetocirculateanoperationtoallcontrolequipment,becomethesetautomaticallycirculateoperationorthewholefactoriesfull—automaticoperationcombinesurveillance。

Inthemeantimeplaceofhonormachine2anddoaplaitdistanceamachine。

Mediumcontrolroomtoestablishanotheraninsettypeemulationtohold,isbeenonecontrolbytheplaceofhonormachine,inordertokeepthecraftprocessoftheviewmanifestationwholefactoryandmainparametervalue。

1.2ThePLCstand

Accordingtowastewatertreatmentoftwopart,thespotthelongrangeoftheequipmentsthecontroloutputandthespotthesignalcollecttocontrolastationcompletionfromtwoPLCwoodground.PLC1nativecontrolstationcontrolthespacegrid,sewagepromoteapumphouse，Puspirittosinksandpond'

setc.toprepareaprocessingpart。

ThePLC2nativecontrolstationcontrolsdirtymiretodehydrate，presstofiltermachineetc。

department。

.PLC3nativecontrolstationcontrolSBRlivingcreatureprocessingpart.Moreover，theonthespotnativecontrolstationiseachtoestablishanoperationterminaltoestablisheach,beresponsibleforatnativetoestablisheachcontrolonthescene。

（automaticcontrol，ordertomoveacontrol）

Thespotiseachthephysicalparameterthatthesupervisionorderandincludewaterlevel,temperature，dischargeandturnsoon，electriccurrent’setc。

imitatequantity，fromtoinresponsetoofanappearancespreadafeelingmachineorchangetosendtoamachineexaminationtocomeoutandchangeintotheelectriccurrentsignalofthe4~20mA,throughshieldinsidethePLCthattheelectriccablesendstoeachstaturessystem,fromthePLCpicksupapeoplethroughvariousmoldpiecesampletelecommunicationnumber。

Same，imitatequantitycontrolthesignalsendtoperformanceorganizationbythe4~20mAelectriccurrentformafterbeingoutputbythePLC,controlperformanceorganizationofaction.

TheQuantumseriesPLCofSchneidercompanyissatisfyliberalof，accordingtostandardofnetworkconjunctionandthespottotallineconjunctionetc。

applicationthetechniqueprovidedvariousnetworkachoice,supportModbus，Mod-busPlus（MB+），thelongrangeI/0,TCP/IPetc.networkconjunction,havestrongerandvivid.Therefore，thewastewatertreatmentisconvenienttoarriveofthePLCchoosetheseriesofMOofuseSchneider.

3Correspondences

MBagreementistheMcompanyreleaseofanopentypeoftheadoptionIEEE802。

4correspondbyletter5agreementsthespottotallineofcardagreement。

MBthenetworktogetherothernetworkscomparetohaveasetofnetsimple,theinvestmentbelittle,networkspeedquick，correspondencethestabilitystrongetc.characteristics，itmakecalculator，controllerandotherdatasourcesthroughanusagedoublewringlineorfiberopticcableBeabodytotogethercarryoncorrespondenceatthewholenetworktop.ButtheCPUmoldpieceoftheMQseriesPLCimplyMBcorrespondence,thereforecorrespondbyletteranetworktochoosetouseMBnetwork。

Mediumcontroltwomachine，twocontrolstationswithnativePLCofroomtopassMBthenetworklinktogether。

ThePLCCPUmoldpiecepassesMBcorrespondenceandtwomachinescarryondatacommutationandcollecttheplaceofhonorsupervisionvariousoperationinstructionofthesystemandthespottheexaminationsignalanddata,throughanalysishandle，passexportationmoldpiecetocontrolobjectoutputcontrolsignal；

Inthemeantime，thePLCpassesMBnetupwardthemachinereturntovariousdata,placeofhonormachinelogarithmsaccordingtocarryonanoperationprocessing，showvarioussignalandprintvariousstatement.

2ThedesignofPLCcontrolprogram

Thesystemhasfourkindsofcontrolmethods：

Thenativehandmovesacontrol，singlesetequipmentspointmovesacontrol，becomeaset,theequipmentsautomaticallycontrols，thewholefactoryequipmentfull-automaticcontrol。

Twokindsofex-withgeneralmethodsatestablisheachadjusttotryormaintainusage,thesystemismainlycirculatewithfull-automaticcontrol.Underthiskindofway，alleachkindofequipmentfromPLCaccordingtoinadvancedrawupofprocedureautocontrol,don'

tneedtooperateapersonnelanintervention.VariousspotdataspreadsahighestmachinethroughaPLC，comeoutintheplaceofhonoronboarddescriptionandmakethecraft，equipmentsmovementofwholefactoriesgetanoverallcontrol。

ThelivingcreatureprocessingpartofthePLC3stationcontrolisthewholewastewatertreatmentofkeypart，belimitedbyspace,onlywiththePLC3standofprogramdesignforexample。

2。

1Processofcontrol

ThePLC3stationswereusedtocontroltogetintoPuspiritfromsewage,thepondiseverywheresewageru