To use master plansEnterprise Planning uses master plans to maintain planning data in a bucketed fashion. There are three types of master plans: In each master plan, planning data is recorded by plan period. Item master plan With a few exceptions, you can maintain an item master plan for any plan item. If you want to use a master-planning horizon and generate a supply plan for a plan item, you must maintain an item master plan. If you only use order-based supply planning, the item master plan is optional. The advantage of an item master plan is that it provides access to several types of master-planning functionality. The disadvantage is that it has an adverse effect on system performance. As a rule, you need an item master plan in the following situations:
Note You determine whether an item master plan is maintained for an item by means of the Maintain Master Plan check box in the Items - Planning (cprpd1100m000) session. Master-plan functionality is only available for an item if this check box is selected. Channel master plan For a particular item/channel combination, you can maintain a channel master plan. A channel master plan is comparable to an item master plan, but only contains demand-related data, such as forecast and actual demand, and channel ATP. You need a channel master plan in the following situations:
Resource master plan For a particular resource (work center), you can maintain a resource master plan. A resource master plan contains information on:
As a rule, you need a resource master plan for each resource that LN must take into account during a capacity CTP check.
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