SAP-PP模块-PA教程-EXP-0003

(C)SAPAGLO2103-1SAPAG1999DemandManagementContents:ManagingPlannedIndependentRequirementsPlanningstrategiesCustomizingsettings(C)SAPAGLO2103-2SAPAG1999DemandManagement:UnitObjectivesCreateplannedindependentrequirementsinDemandManagementDescribethefunctionsanddifferencesamongtheplanningstrategiesUsetheconsumptionandreductionproceduresforplannedindependentrequirements.ApplythemostimportantCustomizingsettingsforDemandManagement.Differentiatebetweenthetwoavailabilitycheckingmethods.Attheconclusionofthisunit,youwillbeableto:(C)SAPAGLO2103-3(C)SAPAGLO2103-4SAPAG1999CategoriesofPlanningStrategiesMake-to-stockproductionOrderproduction(Make-to-orderproduction)Order-specificfinalassembly(Assembliestostockusingmake-to-stock,finishedproductstoindividualcustomerstockusingmake-to-orderproduction)(C)SAPAGLO2103-5SAPAG1999MakeMake--toto--stockproduction(anonymous)stockproduction(anonymous)1010MakeMake--toto--stockproduction/grossstockproduction/grossreqmtsreqmtsplanningplanning1111ProductionbylotsProductionbylots3030PlanningwithfinalassemblyPlanningwithfinalassembly4040PlanningatassemblylevelPlanningatassemblylevel7070PlanningatphantomassemblylevelPlanningatphantomassemblylevel5959•Target:Smoothproductionloadevenifdemandvaries.•PlanningcarriedoutusingplannedindependentrequirementsStrategiesofMake-to-StockProductionThemake-to-stockproductionstrategiesplanproductionorprocurementusingplannedindependentrequirements,whichcanbecreatedfromsalesorforecastfigures.Salesordersarecoveredbystockfromthewarehouse.Make-to-stockproductionstrategiesareusedinindustrieswheredemandandsalesfluctuatebutwhereproductionmaybekeptatfullcapacity.Fluctuationsindemandandsalesaresmoothedbywarehousestock.(C)SAPAGLO2103-6SAPAG1999MRPWarehousestockFinishedproductSalesordersfromwhseDemandprogramReductionMake-to-StockProduction/NetReqmtsPlng(10)CustomerrequirementscoveredbywarehousestockThedemandprogramisdefinedwithoutreferencetosalesorders.SalesordersarenotrelevanttoMRP,butcanbedisplayedforinformationpurposes.YoumakethissettingintheNoMRPfieldinCustomizingfortheappropriaterequirementsclass(workstep,DefiningRequirementsClassesinCustomizingforSD).Salesordersarecoveredbywarehousestock.InSalesandDistribution,youcancarryouttheavailabilitycheckaccordingtoATPlogic.Materialwithdrawalsforasalesorderreducethissalesorder'squantity.Theconsumptionofthedemandprogram(thatisoftheplannedindependentrequirements)iscarriedoutatgoodsissue(theindicatorPIRreductioninCustomizingoftherequirementsclass30mustbesetifyouwanttoreducethedemandprogramwhendeliveringtoasalesorder).TheoldestplannedindependentrequirementisreducedfirstaccordingtotheFIFO(first-in-first-out)principleusingtherequirementdate.Futureplannedindependentrequirementsarealsoreducedbygoodsissues,ifallowedbytheconsumptionmodeandtheforwardconsumptionperiod.(C)SAPAGLO2103-7SAPAG1999Make-to-StockProductionGrossreqmtsplanningGrossreqmtsplanningGrossreqmtsplanningNetreqmtsplanningNetreqmtsplanningNetreqmtsplanningStrategy10Strategy11=WSWSWSPIRPIRPIRPOPO_RRR_=PIRPIRPIRPOPO_RRRPOPlannedorderPIRPlannedindependentrequirementsRReceiptWSWarehousestockPOPlannedorderPIRPlannedindependentrequirementsRReceiptWSWarehousestockIngrossrequirementsplanning,NOwarehousestockistakenintoaccount.InIngrossrequirementsplanninggrossrequirementsplanning,,NOwarehouseNOwarehousestockstockisistakentakenintoaccountintoaccount..Innetrequirementsplanning,thesystemtakeswarehousestockintoaccount.InInnetrequirementsplanningnetrequirementsplanning,,thesystemthesystemtakestakeswarehousewarehousestockintoaccountstockintoaccount..Inadditiontonetrequirementsplanning,grossrequirementsplanningisanotherstrategyofmake-to-stockproduction.Plannedorders,productionorders,purchaseordersandotherelementsaretakenintoaccountasreceiptswhendeterminingrequirements.Inthecaseofgrossrequirementsplanning,nowarehousestockistakenintoaccount.Onlyreceiptelementsareincludedinthenetrequirementscalculation.Innetrequirementsplanning,theavailablewarehousestockforplanningistakenintoaccount.(C)SAPAGLO2103-8SAPAG1999Make-to-StockProduction/GrossReqmtsPlng(11)DemandprogramMRPWarehousestockFinishedproductSalesordersfromwhseReductionCustomerrequirementscoveredbywarehousestockThedemandprogramisdefinedwithnoreferencetosalesordersorexistingwarehousestock.Thisiswhyonetalksofforcedproductionwithregardtothisproductionstrategy.SalesordersarenotrelevanttoMRP,butcanbedisplayedforinformationpurposes.YouhavetodefinethisinthenoMRPfieldfortheappropriaterequirementsclassinCustomizing.Salesordersarecoveredbywarehousestock.InSalesandDistribution,youcancarryouttheavailabilitycheckaccordingtoATPlogic.Thedemandprogramisreducedbythereceiptofgoodsinthewarehouse.Youmusthaveenteredthegrossrequirementsplanningstrategyinthestrategygroupofthematerialmaster(view:MRP3)andhavesetthemixedMRPindicatortogrossrequirementsplanninginthematerialmaster(view:MRP3).Aseparatesegmentiscreatedforgrossrequirementsplanninginthecurrentstock/requirementslistandtheMRPlist.(C)SAPAGLO2103-9SAPAG1999Sale