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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

Tips: LN | Baan

Companies can decide to involve a subcontractor and subcontract part of their activities. The subcontractor carries out the work and returns the products to your company.

In Infor LN, subcontracting is considered as purchasing labor from a third party. Therefore, if a manufacturer wants to subcontract work, he must generate a purchase order to start the subcontracting process. These are the types of subcontracting:

  • Subcontracting with material flow
    • Operation subcontracting: For operation subcontracting, a part of the production process (one or more operations) is subcontracted.
    • Item subcontracting: For item subcontracting, an item's entire production process is subcontracted. Therefore, it is always used with material flow support.
  • Subcontracting without material flow: The simplest form of subcontracting is to generate a subcontracting purchase order to record the operations outsourced to a subcontractor. The subcontracting purchase order only represents the administrative handling of the subcontracting process. When the subcontracted item is received back from the subcontractor, you must close the subcontracting purchase order, which initiates the production process.
  • Unplanned subcontracting: Unplanned subcontracting is applicable when you subcontract after generating a production order. For unplanned subcontracting, a purchase order is generated from the production order and the material supply lines are populated by Shop Floor Control.
  • Service subcontracting: For service subcontracting, work on an item to be maintained or repaired is subcontracted. This work entails the entire repair process, or only a part of it. Service subcontracting can be used with or without material flow support.

To start the subcontracting process, a purchase order is required.

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