To compute phase numbers for order-based planningLN bases the phase number for order-based planning on the following data: LN computes a phase number for each plan item. Criteria for phase numbers The phase numbers of the plan units must conform to the following criteria:
Note An item is controlled by central multisite planning if the Central Multi Site Planning check box in the Items - Planning (cprpd1100m000) session has been selected. Moreover, there must be a central multisite scenario that includes the sites involved. If you use the Compute Phase Numbers (cprpd6200m000) session to recompute phase numbers for central multisite planning, you need to specify the multisite scenario involved. Computation procedure The computation of the phase numbers is an iterative process. You can choose between two methods:
In a regenerative computation, every plan item initially gets phase number 0. LN then checks the plan items one by one and adjusts their phase numbers until the criteria for phase numbers are fully met. For information on the net-change computation see Net-change phase number computation. You can see the result of the computation in the Order Phase Number field in the Items - Planning (cprpd1100m000) session. Note The phase number computation also checks for cycles in the bills of materials.
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