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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

The challenge in cost accounting is tracking your manufacturing to the levels needed for useful management information. You need feedback for corrective action; but, you need to minimize the cost of collection. Some parts of your operation require specific job-cost tracking while the Just-in-Time areas require

costing in terms of cost per process hour or day. Apply overhead in different ways to different processes and products. Segregate costs into enough detail

to provide management with an accurate picture of the contents of your product. Material, material overhead, labor, fixed overhead, variable overhead, outside processing, outside processing overhead, and so forth all have to be considered.

 

LX meets your cost accounting needs with the following functionality:

â–ª Four sets of costs: actual, standard, frozen standard, and simulated

â–ª Nine user-defined elements per set

â–ª Full and partial cost roll-up and simulation

â–ª Cumulative in-process cost tracking

â–ª Cost summaries by item

â–ª Cost definition tied to work centers or material type

â–ª Process hour costing

For years, repetitive manufacturing industries have been applying many of the principles in Just-in-Time philosophy. They have established balanced production lines that depend on a steady flow of material to each work station. They schedule production in daily or weekly rates rather than in discrete shop order lots. They track finished inventory by work center rather than by job. They typically backflush stock balances (decrement stock balances upon completion of specific manufacturing steps rather than issued at the beginning of each production run).

 

Costing is typically based upon a daily rate or hourly rate rather than being associated with specific shop orders. 

 

Repetitive manufacturers use MRP II software adaptable to their environments

in the following key areas:


â–ª Product definition

â–ª Inventory tracking

â–ª MRP/Master Scheduling

â–ª Shop Floor Control

â–ª Purchasing

â–ª Costing

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Tips: LN | Baan

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