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Conversion of ATP tree structures into PP/DS procurement proposals (new) ( RELNAPO_310_PPS_ATP2PPDS )

Conversion of ATP tree structures into PP/DS procurement proposals (new) ( RELNAPO_310_PPS_ATP2PPDS )

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Short text

Conversion of ATP tree structures into PP/DS procurement proposals (new)

Use

In a scenario with an OLTP system for sales order processing, and an SAP APO system for the Global Available-to-Promise Check (Global ATP) and for Production Planning and Detailed Scheduling (PP/DS), you can convert ATP tree structures into PP/DS procurement proposals in SAP APO 3.1.

With the corresponding check configuration, a rules-based ATP check or a multilevel ATP check - new in SAP APO 3.1 - executed on a sales order, can determine which and how many of the finished products required by the customer are not available in the check location, but could be procured through stock transfers from other locations (location substitutions with rules-based ATP) or through final assembly of available components in Production Planning and Detailed Scheduling (multilevel ATP); here, components may be replaced by alternative components (product substitution with rules-based ATP).

The result of the ATP check in the sales order are ATP tree structures that the system creates in SAP APO when saving the sales order; here, there is one ATP tree structure for each request schedule line in the sales order. An ATP tree structure contains, for example, the requirements data (dates, quantities and sources of supply) for the procurement proposals that PP/DS should create for the sales order (stock transport requisitions or planned orders). PP/DS creates the procurement proposals by converting the ATP tree structures and schedules the procurement proposals on the resources. Depending on the position of the requirements date of an ATP tree structure, the PP/DS horizon and the scheduling horizon for ATP tree structures, conversion is either automatic immediately after saving the sales order, or the user converts the tree structures at a later time.

Previously, if you changed an already existing ATP-checked sales order and executed an ATP check again, the system would check against the available PP/DS procurement proposals (that were created from the original ATP tree structure, for example). This may mean that if you bring a date forward in the sales order, the system cannot move the confirmed date forward; procurement proposals still exist, even if they are delayed. The order may be split if a quantity in the sales order is increased. You can use the new recreate receipt elements indicator in the check instructions to specify if, during a new ATP check, the system should ignore the procurement proposals created from the old ATP tree structure and delete the changed sales order when saving. However, it can only ignore and delete procurement proposals whose availability dates are within the horizon for recreation of receipts specified in the location product master, and whose statuses allow for this.

You call up the the user-controlled online or background conversion in the area menu for Production Planning under Environment.

Effects on System Administration

If you have used Capable-To-Promise Processing (CTP processing) until now, check if you can replace this with a multilevel ATP check. (You set CTP processing if you are planning with Characteristics-Dependent Planning (CDP), and if you want to schedule the procurement proposals on the resources of the sales order with a more detailed consideration of the resource availability. You use the multilevel ATP check if you are planning with variant configuration. Here, it is possible to split the order through product and location substitution; the product allocation allows for a rough check of the resource availability.)

Effects on Customizing

  • You define the scheduling horizon for ATP tree structures in Customizing for Production Planning and Detailed Scheduling under Maintain Global Parameters and Defaults.
  • When scheduling procurement proposals, the system uses the strategy profile that you have specified in Customizing for Production Planning and Detailed Scheduling under Maintain Global Parameters and Defaults.
  • You define check instructions in Customizing for Global ATP under Maintain Check Instructions.

Further Information

  • Release information on

  • Documentation on Production Planning and Detailed Scheduling





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