Answer Posted / bird
MPS operates within only one level of the BOM, While MRP can be utilized throughout all levels of a material?s BOM. If a MPS is run on a material, the necessary orders are planned at that level. Dependent requirements (if any) are placed on the next BOM level down, and then the process stops.
Material Requirements Planning (MRP) :
A set of techniques that uses bill of material data, inventory data, and the master production schedule to calculate requirements for materials. It makes recommendations to release replenishment orders for material. Further, because it is time-phased, it makes recommendations to reschedule open orders when due dates and need dates are not in phase. Time-phased MRP begins with the items listed on the MPS and determines
See more info about MRP vs MPS at http://www.mysap-pp.com
http://www.sap-exp.com
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