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George Moroses
/ Categories: Infor LX & BPCS Tips

Infor LX & BPCS 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, Infor LX (ERP LX) will calculate the cumulative lead time (also called “the Critical Path”) for you (use the “indented BOM” display in BOM300 and find the item with the longest lead time “L/T”). Note: You may have to use Action 21, Line Detail, to see the “L/T” lead time for each item.
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Tips:  LX | BPCS | M3

Understanding: What Was Issued to the Shop Order

The shop order inquiry program provides several function keys. By using the function key for the material, the display will present what components have been issued under the issued quantity column. You are also presented with the required quantity. While viewing the quantities you may see that more was issued than what was required. Possibly there was scrap and more material was required to be issued. Perhaps there was an over issue and the balance of the material is slated to be returned to stock.

A red flag should go up if the Shop Order quantity finished is equal to the required quantity for the end item and all the components have not been issued. You may want to investigate why.

Understanding: The quantities required, finished and remaining at the operation and in total for the Shop Order

The shop order may require 1,000 pieces but only 950 are reported as finished in total for the shop order. The quantity required is what is planned on the SO and it may be a higher number than what is finished, factoring in that there can be scrap. If a 1,000 pieces are required to be produced, and there is always is scrap of 10 pieces, then plan for scheduling a quantity of 1,010.

The quantity finished for the end item is what is reported in the inventory application with a production order receipt transaction. At the operation level, if the quantity is reported at the operation, there will be a value in the PCS Complete field on the operation detail screen showing the pieces completed through that operation.

If you want to get a handle on the difference between the required quantity and the finished quantity, you may want to look into reporting quantities at the operation level as well as examining how scrap is controlled and reported.

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Tips: LN | Baan

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