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Use

Use this function to generate preliminary requirements when you assign a material component to a network activity. Preliminary requirements cover real requirements that are generated a later point of time. This is useful if material components have a long replenishment time (planned delivery time or in-house production time).

Prerequisites

If a material is procured directly for a network and is not kept in stock, the system cannot settle requirements. Therefore it is only possible for individual stocks.

In the standard system you can use strategy group Planning at assembly level (70). This leads to requirements type Planning for assemblies (VSFB) and to requirements class Assembly planning (105).

This requirements class has been set up so that planned independent requirements are generated:

Consumption indicator: Consume planning with assembly (1)

Planning indicator: Net requirements planning (1)

Consumption indicator for preliminary requirements: Consumption indicator for planning requirements: Consume (customer requirements), reservations, dependent requirements. (2 or 3) (Customizing for Demand Management under Planned Independent Requirements ® Default Values and Presettings ® Define Default Values for Consumption Type per Reqmts Class).

Activities

When you assign a component, you decide whether it should be procured in advance. You can change this setting up to the release of the network activity by selecting the components and choosing Components ® Chg. acct. assign.

When requirements are activated, the system generates preliminary purchase requisitions and planned independent requirements for components that are procured in advance.

Materials planning treats a planned independent requirement as a requirement. Afterwards when a real requirement is generated and the system finds a component for which a sufficiently large planned independent requirement exists in the same individual stock segment, then these requirements will be set off against each other. This means for project stock that the components have to be assigned to the same WBS element.

For more information on advance procurement, see the Demand Management (PP-MP-DEM) component.

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