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author's profile photo Former Member
Former Member

Alternative Item in BOM

Hi friends

My client asking for altenrative items to be picked up automatically , if the main bom component not avaible in stock. guide me in this scenario.

thanks in advance

cotact No: 9871382663

warm regards

bps

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2 Answers

  • author's profile photo Former Member
    Former Member
    Posted on Dec 01, 2007 at 11:05 AM

    Hi

    Try with the field (Alternative item grp)available in BOM item detail screen.

    Gopi

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  • author's profile photo Former Member
    Former Member
    Posted on Dec 01, 2007 at 04:01 PM

    Dear,

    Please see the help ..read and come back if you need moer help

    BOM alternate items

    You need to define the following in each alternate item.

    Alternative item: group

    Consolidation of alternative items within a BOM. Every material in the assembly can be included in the alternative item group.

    Use

    As soon as you enter an alternative item group, you see an additional dialog box with the following data: ranking order, strategy, usage probability.

    You can maintain alternative items in the following situations:

    • Alternative positions with specific usage probability

    These alternative items are incorporated with a specific usage probability. Enter the usage probability for each alternative item in the group, so that:

    o dependent requirements are determined in requirements planning

    o dependent requirements are changed to a reservation in the production order

    • Alternative positions as information

    You can enter an alternative item for information purposes. This item would then, for example, only be taken into account in situations involving missing parts.

    As there should be neither dependent requirements nor a reservation for this item, enter no usage probability.

    Procedure

    • Enter the same character string to denote the alternative items of an alternative item group.

    Enter the same strategy for all alternative items in the alternative item group.

    Dependencies

    Alternative items are valuated in the following way:

    • Dependent requirements determination

    Requirements planning determines the dependent requirements according to the usage probabilities that have been entered.

    If the usage probability is 0%, then no procurement is planned for the item. For information purposes, however, dependent requirements with 0 as quantity are created.

    • Withdrawal posting

    You can control the withdrawal posting for the reservation in the production order in the following way:

    o Withdrawal according to usage probability (manual change is possible)

    o Withdrawal if there is 100% availability

    (Check ranking order and strategy)

    Example: See Strategy for alternative position

    Alternative item: ranking order

    Position of an item in an alternative item group.

    Use

    With respect to withdrawal postings, the ranking order determines which material components from the alternative item group should be taken into account for the reservation in the production order.

    • Withdrawal according to usage probability

    For all items that should be reserved, maintain:

    o strategy (value 1 or no entry)

    o ranking order (only effects the material sort)

    o usage probability

    • Withdrawal on 100% availability

    For all items that should be reserved, maintain:

    o ranking order

    If you do not enter the ranking order, the system checks the items in the order that they are transmitted to the availability check.

    o strategy (value 2)

    o usage probability

    Example

    Three items (0060 und 0065 and 0070) are assigned to an alternative item group and are given the following values for ranking order:

    position ranking order

    0060 3

    0065 2

    0070 1

    This means that the system reads item 0070 first.

    Alternative item: strategy

    This value defines how items in an alternative group are selected for withdrawal postings.

    This strategy is ignored in material requirements planning (MRP).

    Use

    The withdrawal posting for the reservation in the production order can be selected as follows:

    • According to usage probability (manual changes possible)

    For all items that you want to reserve, enter:

    o Strategy (value 1 or no entry)

    o Priority (only influences how materials are sorted)

    o Usage probability

    • Withdrawal if 100% availability

    For all items that you want to reserve, enter:

    o Strategy (value 2)

    o Priority

    If you do not enter a priority, the system checks the items in the sequence in which they are transferred to the availability check.

    o Usage probability

    Procedure

    Enter the same strategy for all alternative items in an alternative item group.

    Example

    Withdrawal if 100% availability (strategy 2)

    This strategy uses ATP logic to check availability in the defined ranking order.

    Gross requirements: 100 pieces

    M UP (%) RO RQ ATP qty Issue qty

    A 20 1 20 30 0

    B 30 2 30 150 100

    C 50 3 50 180 0

    Key

    M Material

    UP Usage probability

    RO Ranking order

    RQ Requirements quantity

    The first material in the ranking order that is supplied 100% on the requirement date is reserved in the required quantity (material B).

    If a partial withdrawal is carried out in a production order, when additional partial withdrawals take place, no further checks are carried out for this production order. Additional partial withdrawals result from the alternative item, from which the first withdrawal took place.

    If when using strategy 2 none of the alternative items cover the requirements 100%, the availability check for all items will confirm the available. A reservation only occurs for the available quantity

    Usage probability in % (alternative item)

    Percentage probability that a material will be used in the assembly.

    Use

    The usage probability is always taken into account for requirements planning.

    Procedure

    Maintain selected usage probability

    Requirements planning for alternative items is based on the usage probability.

    Quantities are suggested based on the usage probability for the withdrawal posting according to strategy 1. You can plan in excess for the alternative items since the usage probability is not limited to 100%. You can change the proposed quantities. Maintain no usage probability If you do not enter a usage probability, the alternative item just serves as information that can be evaluated, for example, in a situation with a missing part.

    You receive a warning since dependent requirements with 0 as quantity are created.

    Examples

    Withdrawal based on usage probability

    Strategy: value 1

    An alternative item group is maintained for each assembly. This alternative item group contains four materials with differing usage probabilities. Dependent requirements are passed on with 100 as quantity.

    Material Usage probability (%) Requirement

    M-1 70 70

    M-2 20 20

    M-3 20 20

    M-4 0 no requirement

    In this case, the materials are planned in excess since the sum of the usage probabilities is greater than 100%.

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