SAP PP模块 PA教程 EXP0009.docx

SAP PP模块 PA教程 EXP0009.docx

《SAP PP模块 PA教程 EXP0009.docx》由会员分享，可在线阅读，更多相关《SAP PP模块 PA教程 EXP0009.docx（26页珍藏版）》请在冰豆网上搜索。

SAPPP模块PA教程EXP0009

1

1.2

1.3

1.4

⏹WithoutMRPareas,MRPtakesplaceatplantlevel.Thismeansthatallrequirementsforamaterial（dependentrequirements,plannedindependentrequirements,customerrequirementsandsoon）forallstoragelocations,whicharenotplannedseparatelyorarenotexcludedfromtheplanning,flowintotheMRPtogether.Dependingontheprocurementtypeofthematerial,in-houseproductionorexternalprocurementisusedtosatisfytherequirements.

⏹ThesettingsforMRPinthematerialmasterofthematerialarevalidforthewholeplant（withtheexceptionofstoragelocationsthatareplannedseparatelyorareexcludedfromtheplanning）.

1.5

⏹TheintroductionofMRPareasenablesagreaterdifferentiationinMRP.PlanningtakesplaceseparatelyforeachMRParea.Itispossible,forexample,toplantherequirementsfordifferentproductionlinesseparately.

⏹InstoragelocationMRPareas,oneormorestoragelocationsaregroupedtogethertoformanorganizationalunit.InMRP,thisunitisplannedseparatelyfromtherestoftheplantandtheotherMRPareas.Theassignmentofareceipt（procurement）orissueelement（requirement）toastoragelocationMRPareaismadeusingthestoragelocationofthereceiptorissueelements.YoumayassignastoragelocationtojustoneMRParea.

⏹YoucanalsoplantheprovisionofcomponentsforanindividualsubcontractorseparatelyusinganMRParea.Todothis,youdefineanMRPareaforasubcontractor（vendor）andassignthecorrespondingcomponentstobeprovidedtothisMRParea.

⏹TheplanningresultineachMRPareaisevaluatedseparatelywiththeindividualMRPlistorstock/requirementslist.Whenusingcollectivedisplay,youcanselectmaterialsforoneMRPareaorforallMRPareasinaplant.

⏹YoucanassigndifferentMRPparameterstoamaterialforeachMRParea,sothatplanningcanbeadaptedtosuittheparticularneedsineachindividualMRParea.

1.6

⏹MRPareasenableyoutoplanmaterials,whicharerequiredindifferentproductionareas,storagelocationsorsubcontractors,separatelyfromeachother.YouactivateMRPwithMRPareasatclientlevelanditistherebyvalidforallplantsbelongingtothisclient.Thiscannotbereversed.

⏹TheintroductionofMRPareascanbeusefulevenifyoudonotwanttoplanwithMRPareas.Inparticular,ifyouneedtoplanmanyplants,theintroductionofMRPareasenablesanimprovementinsystemperformancebecausetheplanningfilecanbeaccessedmoreprecisely.

⏹TherearethreetypesofMRParea:

1.PlantMRPareas（mandatory）,whicharecreatedautomaticallywhenplanningwithMRPareasisactivated.ThenumberoftheMRPareacorrespondswiththeplantnumber.IfyoudonotdefineanyfurtherMRPareas,theplantMRPareaincludesthewholeplant.

2.StoragelocationMRPareas,whicharedefinedbythestoragelocationsthatareassignedtothem.

3.SubcontractorMRPareasthatserveforplanningtherequirementofmaterialprovidedforasubcontractorandthataredefinedbyassigningthesubcontractor.AsubcontractormustbeassignedtojustonesubcontractorMRPareaandviceversa.

1.7

⏹AmaterialisassignedtoanMRPareabycreatinganMRPareasegmentinthematerialmaster（intheviewMRP1）.NoactualchangesaremadetoMRPuntilthematerialshavebeenassignedtoMRPareas.AslongasnoMRPareasegmenthasbeencreated,thesystemcontinuestoplanthematerialinaplantMRParea.

⏹YoucansetparametersforcontrollingMRPfordifferentMRPareasintherespectiveMRPareasegments.

⏹AmaterialcanbeassignedtoseveralMRPareasandisalsoassignedtotheplantMRParea.

⏹TheassignmentofareceiptorissueelementtotheindividualstoragelocationMRPareasismadeusingthereceivingorissuestoragelocationthatthesystemdeterminedintheplanningrun.IfnoassignmenttoastoragelocationMRPareahasbeenmadeusingthestoragelocation,theelementisassignedtotheplantMRParea.

⏹Whencreatingaplannedindependentrequirement,youentertheMRParea.SalesordersareassignedtotheMRPareasbyenteringtheissuestoragelocationintheshippingscreenoftheitemdetails.InthecaseofprocurementelementscreatedautomaticallyinMRP,thereceivingstoragelocationdeterminesthestoragelocationMRParea.

⏹SchedulelinesareassignedtoanMRPareaaccordingtothereceivingstoragelocationoftheschedulingagreement.ThesourceofsupplydeterminationinMRPtakesplaceaccordingtotheusuallogic（sourcelist,quotaarrangement）withtheprovisothatyoufindavalidschedulingagreementwherebythereceivingstoragelocationbelongstotheMRParea.Youcanmaintainseveralschedulingagreementsforanoverlappingperiodinthesourcelist,ifyouassignthetype"Nowarningsormessages"forthemessagewithversion00,applicationareaME,number375intheCustomizingforPurchasingIMGactivity"Defineattributesofsystemmessages".

1.8

⏹FortheintroductionofMRPwithMRPareas,youmustfirstconverttheexistingplanningfileentriesatplantleveltoMRParealevelintheplanningfile（CustomizingIMGactivity"ConvertplanningfileentriesforMRPareas"）.YoucanthenactivatetheMRPforMRPareas（CustomizingIMGactivity"ActivateMRPforMRPareas"）andcreateMRPareas（CustomizingIMGactivity"DefineMRPareas"）.

⏹IntheCustomizingIMGactivity"DefineMRPareas",youthendefinetheMRPareaincludingthetypeandtowhichplantitbelongs.ForstoragelocationMRPareas,youthendefineareceivingstoragelocation.YoucompletethedefinitionofthestoragelocationMRPareasbyassigningoneormorestoragelocations.ForasubcontractorMRParea,youassignonesubcontractor.

⏹ThematerialsthataretobeplannedindifferentareastotheplantMRParea,mustbeassignedtotheseMRPareasbycreatingthecorrespondingMRPareasegmentinthematerialmasterinthe"MRP1"view.

⏹TheallocationtoastoragelocationMRPareaismadeusingthestoragelocationthatthesystemdeterminesduringtheplanningrun.ThisisdeterminedonthebasisofthestoragelocationenteredintheBOM（BOMitem）,intheworkcenter（productionsupplyarea）,orintheproductionversionorinthematerialmaster.ThisstoragelocationmustbeincludedintheMRPareathatyouhaveassignedinthematerialmaster.Inaddition,itisnecessarythattheview"Storage1"or"Storage2"existsforthisstoragelocationinthematerialmaster.

1.9

⏹TheexistingplanningfileentriesatplantlevelareconvertedintoplanningfileentriesatMRParealevel.TheconversionusesareportthatistriggeredintheCustomizingforMRPactivity"ConvertplanningfileentriesforMRPareas".Thesystemusesthisconversionreporttocreateanewplanningfile,inwhichyoucanaccessentriesforindividualMRPareas.

⏹ThesystemcreatestheplantMRPareaautomaticallyforeveryplantsuchthatforeveryplantthereisexactlyoneplantMRPareahavingthesamenumberastheplant.

1.10

⏹InordertobeabletoassignamaterialtoanMRParea（forexample,usingthestoragelocation）,theMRPareamusthavebeendefinedinCustomizingbeforehandandacorrespondingMRPareasegmentmustbecreatedinthematerialmasterrecordofthematerial.MaterialsthathavenoMRPareasegmentremainintheplantMRParea.

⏹InordertocreateanMRPareasegment,youchoosethepushbutton"MRPareas"intheviewMRP1ofthematerialmaster.

⏹YoucanassignamaterialtoasmanyMRPareasasyouwishbycreatingasegmentforeachMRParea.ForeachMRParea,youcanenterdifferentMRPandforecastparameterstothosefromthematerialmasteratplantlevelandeventheconsumptionvaluesareupdatedseparatelyforeachMRParea.YoucanassignadifferentMRPgrouptoeachMRParea,butthevaluesatplantlevelareusedforthestrategy,theconsumptionlogic,theperiodofadjustmentandthecheckingrule.

⏹TheassignmentofamaterialtoanMRPareacanbedeletedusingthedeletionindicatorintheinitialscreenfortheMRPareasegmentinthematerialmaster.AnydependentrequirementsorreservationsthatwereplannedinthisMRPareaaretherebytransferredtotheplantMRParea.

⏹YoucandisplaywhichmaterialsareassignedtoaparticularMRParea.Todothis,choosethepushbutton"MaterialoverviewforMRParea"fromthedetailscreenfortheMRPareaintheCustomizingIMGactivity"DefineMRPareas".

1.11

⏹PlannedindependentrequirementsarecreatedforeachMRParea.SalesordersareassignedtoaMRPareadependingontheirstoragelocation（theissuestoragelocationintheshippingscreenoftheitemdetails）.

⏹DependentrequirementsareautomaticallyassignedtoaMRPareaintheplanningrun,dependingontheirproductionorissuestoragelocation.Here,thesystemaccessestheproductionversionofthematerial,theBOMorthematerialmaster.IfthestoragelocationdeterminedallowsthematerialtobeassignedtoaMRPareaofthismaterial（assignedinthematerialmaster）,thentherequirementisplannedinthisMRParea.Ifanotherassignmentisnotpossible,theplanningtakesplaceintheplantMRParea.

⏹Therequirementelements（plannedindependentrequirements,salesorderandsoon）arecoveredaftertheassignmenttoaMRPareawithinthisMRParea.Ifaproductionstoragelocation（oranexternalprocurementstoragelocation）isdeterminedforacorrespondingprocurementelement（thatistherelevantplannedorder）thatdoesnotbelongtothisMRParea,thenthereceivingstoragelocationoftheMRPareaisusedinstead.

1.12

⏹TheMRPareaallowsyoutoplanthestagingandprocurementofcomponentstoaspecificproductionline.

⏹Considerthefollowingexample:

AssemblyAisproducedonproductionline1.