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Kathy Barthelt
/ Categories: Infor LN & Baan Tips, Services News, Operations

Infor LN & Baan OPERATIONS Tip: MPS Planned vs. MRP Planned

When deciding what items should be MPS (Master Production Schedule) planned and what items should be MRP (Material Requirements Planning) planned, it's crucial to understand the nature of the items and their demand sources. Here's a breakdown:

  • Master Scheduled Items:

    • Master Scheduled Items are typically finished goods or service items.
    • These items receive their requirements from both Independent and Dependent demand sources.
       

  • Independent Demand:

    • Independent demand cannot be calculated from higher-level demand in the product structure.
    • It is driven by forecasts or actual customer orders, primarily applicable to Finished Goods or Service parts sold to customers.
       

  • Dependent Demand:

    • Dependent demand is derived from higher-level demand in the product structure.
    • It includes components, raw materials, and sub-assemblies.
    • Dependent demand items are not typically part of Master Production Scheduling (MPS).
       

  • Service Parts:

    • Service parts can have both independent demand from forecasts or customer orders and dependent demand from higher-level demand if they are used in sub-assemblies or other products.
       

  • Cumulative Lead Time:

    • Cumulative Lead Time is a concept used in MPS.
    • It combines the fixed lead time and variable lead time required to produce a product.
    • It represents the longest path through a Bill-of-Materials (BOM).
    • Your ERP system will calculate the cumulative lead time (Critical Path) based on MPS setup options.
       

  • Infor LN Approach:

    • Infor LN does not differentiate between MPS and MRP planning.
    • It uses Enterprise Planning (EP) with one set of planned orders.
    • While you can set up items and generate orders at plan levels, it's not always necessary.
    • In theory, you could treat plan level 1 similar to MPS items.
       

  • Defining Independent Demand in LN:

    • In LN terms, independent demand is demand not related to other planned items.
    • Dependent demand comes from related planned items higher up in the BOM structure.
       

  • COLT (Cumulative Order Lead Time):

    • COLT exists in the purchase and manufactured planned items.
    • It considers non-critical and critical lead times based on components marked as critical.
    • Once calculated, COLT can be used to update the order and planning horizons of a planned item.

Relevant Sessions:

In Baan IV:

  • Maintain Item Data (tiitm0101m000)
  • 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 if used


For more information and assistance, you can contact Crossroads RMC at 800.762.2077 or via email at solutions@crossroadsrmc.com.

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Kathy Barthelt

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For either file, you must specify a valid location code as defined in the Location Master File.

If the machine master locations are blank, then the work center locations are used. There are cases where you may want to do a combination between the two in defining the locations.

Let’s say the end item has one operation. The operation is at work center 510 and Machine A is in the work center. You have locations setup in both the Work center file and the Machine master File. You report 100 complete at the work center without specifying the machine.

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Instead of sharing tables through logical linking, you can replicate table content between companies. This approach allows certain non-key attributes of a record to vary by company. For example, if you replicate bills of materials rather than sharing them, each company can associate a different warehouse with the same bill of material. This way, the bills of materials are consistent across companies, while the warehouses can differ.

Replication also enables selective availability of records in other companies. For instance, when replicating items, you might limit which items are available in a sales company based on their item group, only including end items. You can further refine replication to specific subsets, such as particular item groups.

Keep in mind that replication requires any referenced tables to be either replicated or shared as well.

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