主要生产日程(1)

MasterProductionScheduleMasterProductionSchedulegeneratesordersforItemswithOrderMethod(P-MPS,seeItemMaster).HoweverdatamustbemaintainedinMaintainMPSItemscreen.ThisscreenisseparatelymaintainedandhereusercanoverrideEconomicOrderQty,Leadtime,LotSizingMethod.Foruser’sconveniencePullMPSItemscreenisaddedsousercanpullallMPStypeitemsinoneshotfromItemLocation.ItemhavingBOMcanbeMake/Buytype,thosewhichdonotcanonlybeofBuytype.OrdersofaMPSItemwillonlybegeneratedifthereisnetdemandofitemi.e.totaldemand(SalesOrder,Warehousetransferoutgoing,Forecast,dependentdemandofItem(ifany)exceedstotalsupply(purchase,production,warehousetransfercomingin,onhandinventory).FollowingaretypicalstepstomaintaindataforMPS:1.MaintainItemsinItemMasterwithOrderMethodP.2.MaintainaboveItemsinItemLocation.3.CreateFormulaforItem.4.CreateBOMofItem,attachItemtoaformula,setBOMtype‘FinishedGood’ifItemisaFinishedgoodsetappropriatefilllevels.SetBOMtype‘Intermediate’ifItemisanintermediate(i.e.itemhasaformulaandisusedinsomeanotherformula).ForcontainerssetBOMtypeto‘Assembly’ifitemiscontainerassembly,hereformulaisnotapplicable.5.ReleasetheBOM.6.InMaintainMPSItemscreenmaintaindata.UsercanusepullMPSItemscreentomaintainalldatainoneshot.7.Maintaincompanycalendar,specifyweeklyholidaysifany,Orderswillnotbegeneratedonholidays.8.MaintainPlanningcalendars,atleastoneplanningcalendarisrequiredtorunMPS/MRP.Planningcalendarsin7.10havenoorigindateandareusedtogroupdatainforecastingandPlanningworksheet.9.MaintainForecastsofItems.NowthatForecastsin7.10arebucketless,onehastomaintaindatainforecastagain.DatainforecastsarenowsavedondailybasisbutisgroupedbyPlanningCalendar.Ifuserwantstoviewdatawithothercalendar,hemayselectnewcalendarandclickChangeForecastbuttonontoolbar.10.InMPSsetupmaintaintimefences,defaultplanningcalendar(requiredforMPSrun).Alsospecifygrossdemandcalculationfunctionsforallthethreedemandranges.11.MaintainsalesordersofItemsinsalesorderentry.IfMPSOrdersaretobegenerated(fordemonstrationetc)ensurethatsalesordersQtyexceedsOnhandquantityininventory.12.CreateWarehousetransfer(Outgoing)forItems.SaveOrderbutdonotprocessit,thiswillcreatedemandforItem.Newfieldexpectedreceiptdateisaddedinversion7.1andithastobemaintained.13.InRunMPSItemscreenspecifyItem-LocationrangeandDemandenddateandclickprocess.13.OpenPlanningworksheettoviewresults.14.IfexceptionordersaregeneratedthenviewDemandFence1/2productionandpurchaseorders,theseordersaregeneratedwhenorderdatefallsinatimefenceorfallsbeyondMPSrundate.15.ConfirmOrdersinplanningworksheet.Onlyconfirmedorderscanbetransferredtoapurchaseorderoraproductionbatch.16.InTransferMPSProductionOrderscreenselectItemstotransfer,specifybatchtype,processcell,measuredby,capacity.Clicktransfertotransferorderstobatch.17.Similarstepshastobetakenfortransferringpurchaseorders.