Infor LN & Baan Finance Tip: MPS Planned vs. MRP Planned
What items should be MPS planned, and what items should be MRP planned…
Master Scheduled Items are those items that are finished goods, or service items, that receive their requirements either specifically from Independent demand, or both Dependent and Independent demand.
- Independent Demand is demand that cannot be calculated from higher-level demand in the product structure, and therefore must be either a forecast or an actual customer order (Finished Goods or Service parts sold to customers).
- Dependent demand is derived from higher-level demand in the product structure. Dependent demand includes components, raw materials, and sub-assemblies. (these are not normally Master Scheduled Items).
- Service Parts may have both independent demand from forecast and/or customer orders, as well as dependent demand from higher-level demand if that item is also used in other sub-assemblies or products.
- Cumulative Lead Time is a concept used in Master Production Scheduling (MPS) that combines the “fixed” lead time, and the “variable” lead time needed to produce the product. It is the longest path through a given Bill-of-material. Based on the MPS setup options, your ERP will calculate the cumulative lead time (also called “the Critical Path”) for you.
Infor LN does not differentiate between the two. It is simply Enterprise Planning EP with one set of planned orders. It's possible to set up items and generate orders at plan levels, but not necessary. In theory, you could make plan level 1 similar to MPS items.
Another way of defining independent demand in LN terms is that it is demand not related to other planned items. Dependent demand comes from related planned items above in the BOM structure.
COLT still exists in the purchase and manufactured planned items. It has non-critical and critical lead time based on components set as critical. Once calculated it can be used to update the order and planning horizons of a plan item.
In Baan IV
Maintain Item Data tiitem0101m000
Generate MPS timps3201m000
Maintain Master Production Schedule timps3101m000
Display Planned Inventory Movements by Item timrp1510m000
Display Planned MRP Purchase Orders timrp1521m000
In Baan V
Plan Item Data cprpd1500m000
Item Master Plan cprmp2101m000
Time-Phased Overview cprrp0520m000
In Infor LN
Item – Planning cprpd1100m000
Item Master Plan cprmp2101m000 (same as Master MPS above if used)
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