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Please explain the meaning of the lines hilighted bold....

" If the stock falls below the reorder point procurement is hit...

In the same way, the system checks whether the plant stock still falls short of the reorder point during a material return. If so, a planning flag is created so that the planning run can delete superfluous procurement proprosals. If return deliveries bcome superfluous as a result of fixed scheduled receipts, the planning run proposes taht these receipts are deleted..."

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6 Answers

  • Best Answer
    Posted on Jul 30, 2008 at 07:55 PM


    When you run the MRP ,system checks all possible entries of the materials like in'S and out's.If there exists a requirement for the material system generates dependent requirements for that perticular items in the form of PR/Pl ord.

    If there exists a change in terms of quantity by GR/GI for that perticular material in its planning horizon , this material will be included in the planning file with 'Netch,Netpl,or NEUPL.

    These changes will be considered during planning Run and the net requirements will be found out.

    Here safety stock plays a role also.

    In your case since it is a return and which will increase your stock , this will be indicated in the planning run.


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  • author's profile photo Former Member
    Former Member
    Posted on Jul 29, 2008 at 10:36 AM


    If the stock level falls below the reorder point, system will create planning file entry.

    So next MRP run system will plan for that material.

    Same as if the material is returned, system creates planning file entry. When next MRP run system deletes the existing procurement proposal if the stock level exceeds the reorder level.



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  • Posted on Jul 29, 2008 at 10:49 AM


    My question is how planning flag is created ie. in which tcode , which place exactly...?

    Why the receipts are deleted in planned once for procurement...will it not effect the real process...




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    • Former Member


      Creating planning file entry is a internal program. But you can see the entry in planning file by tcode MD21.

      Planning file contains,

      1. NETCH

      2. NETPL

      3. MPS

      4. BOM explosion

      5. Order reset proposal.

      Depends on MRP change, system will create X tick mark in above anyone of the five.

      After MRP run, tick mark will remove from planning file.



  • Posted on Jul 29, 2008 at 11:44 AM

    Pls help me to understand the above point...

    Edited by: Priyanka Paltanwale on Jul 30, 2008 1:17 PM

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  • author's profile photo Former Member
    Former Member
    Posted on Jul 30, 2008 at 12:27 PM

    Hi Priyanka,

    In reorder point planning, procurement is triggered when the sum of plant stock and firmed receipts falls below the reorder point.

    To get this requiremnt MRP Run Transcation needs to be exceuted

    For Your Ref

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  • author's profile photo Former Member
    Former Member
    Posted on Jul 31, 2008 at 04:50 AM


    MRP - Reorder Point Planning

    1.CBP Planning Process:

    SAP checks the planning file entries to determine if the material needs (can) to be included in the planning run.

    Perform net-requirements calculation.

    Lot sizing-calculation is then performed Scheduling is performed to determine the start and finish dates of the procurement proposals,

    such as planned orders or requisitions.

    Planned orders, purchase requisitions or schedule lines are created by SAP for the procurement proposal

    Planning File - MD21

    2.Net Requirement calculation:

    Reorder Point

    In reorder point planning, the net requirement calculation is only carried out once the stock level has fallen below the reorder level

    Available Stock = Plant Stock + Open order quantity (Purchase orders, firmed planned orders, firmed purchase requisitions)

    The system specifies the date of the planning run as the requirement date.

    Safety stock is ignored when calculating the shortage quantity. However if stock falls below the safety stock level, the MRP controller

    receives an exception message

    3.Lot Sizing Procedure

    Lot sizing procedures serve to calculate the procurement quantities, that is, the purchase order and production quantities

    You assign the required lot-sizing procedure to the material in the Lot size field in MMR (MRP 1 view )

    Three groups of lot-sizing procedures are available

    - Static Lot sizing

    - Period Lot sizing

    - Optimum Lot sizing

    4.Planning Evaluation - 1

    MRP List -

    - The MRP list is a static list and changes are not reflected on the list until the next planning run.

    - During the planning run, the nature of MRP list depends on how the creation indicators are configured.

    - MRP list for individual material can be displayed using T Code MD05

    5.Planning Evaluation - 1:

    Stock/Requirement List -

    - The Stock/Requirements List shows the current stock and requirements situation.

    - This list is dynamic, as it is updated each time it is displayed.

    - Stock/Requirements List can be displayed using T Code MD04

    6.Procurement proposal:

    Three types of procurement proposals are used in the planning process.

    - Purchase Requisitions

    - Schedule Lines

    - Planned Order

    7.Basic Requirement for Planning:

    - MRP must be active for the plant (customizing)

    - MRP views must exist for materials to be planned in the plant.

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