SAP EWM Inbound with POSC: A Step-by-Step Guide to Goods Receipt & Deconsolidation

This document outlines the SAP Extended Warehouse Management (EWM) inbound process utilizing Process-Oriented Storage Control (POSC), focusing on a goods receipt scenario that includes deconsolidation. POSC is a method of breaking down complex warehouse activities into sequential, manageable steps—such as unloading, deconsolidation, and putaway—to streamline goods receipt operations. The guide details the steps involved in receiving goods, moving them through different warehouse areas including a deconsolidation work center, and finally putting them away, highlighting the integration between SAP EWM and SAP ERP.

Key topics covered in the document:

1. Master Data Setup: Configuring material master data in SAP EWM (transaction /N/SCWM/MAT1) to include specific storage processes that trigger POSC during inbound processing. This setup determines the sequence of warehouse activities.
2. Purchase Order and Inbound Delivery Creation in ERP: Initiating the inbound process by creating a Purchase Order (PO) and subsequently an Inbound Delivery in SAP ERP. Packing of materials into Handling Units (HUs) is also performed in ERP.
3. Inbound Delivery Creation in EWM ( /N/SCWM/PRDI ): The ERP Inbound Delivery triggers the creation of a corresponding Inbound Delivery in SAP EWM. This step transfers relevant delivery information to EWM to initiate warehouse operations.
4. Warehouse Task Creation and Unloading (Monitor /N/SCWM/MON ): EWM automatically creates Warehouse Tasks (WTs) based on POSC configuration. The first WT, triggered by external step IB01, involves moving the Handling Unit from the door area (Storage Type 9030) to the Goods Receipt (GR) staging area (Storage Type 9010) using process type 3065 (Unloading HU Movement).
5. Putaway to Deconsolidation Work Center (IB02): Due to the POSC setup with external step IB02, a new WT with process type 3060 (HU Putaway) is created to move the HU from the GR zone (9010) to the deconsolidation work center (Storage Type 8010, Work Center DEKO).
6. Deconsolidation Process at Work Center (/SCWM/DCONS ): At the deconsolidation work center, using transaction /SCWM/DCONS, the received Handling Unit is unpacked, and products are repacked into new HUs as needed. This step physically separates different products within a mixed HU.
7. Deconsolidation Completion: After repacking, the deconsolidation process is completed in the system, finalizing the deconsolidation step and triggering the next POSC step.
8. Final HU Putaway (IB03): Upon completion of deconsolidation (IB02), the system creates final putaway WTs (external step IB03) to move the newly created HUs from the deconsolidation work center to their final storage bins in the warehouse (Storage Type 0020).
9. Warehouse Task Confirmation and Goods Receipt Posting: Confirmation of all WTs in EWM reflects the physical movement of goods. EWM then transmits the Goods Receipt posting to SAP ERP, updating stock levels and storage locations in both systems. This final step makes the stock available for further processes in ERP.

The SAP EWM Inbound process with POSC, as documented, effectively manages complex goods receipt scenarios involving deconsolidation by systematically guiding warehouse activities through predefined steps, ensuring accurate stock management and seamless integration with SAP ERP for overall supply chain visibility.

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