SAP Extended Warehouse Management (EWM) is SAP’s strategic warehouse management software and, compared to classic Warehouse Management (WM), offers extended functionalities with which even complex logistics processes can be mapped.
Efficient warehouse management for your supply chain
Due to the decentralized approach, as a fully integrated part of the SAP Supply Chain Management Plattform, the EWM system can be used independently from the ERP. The respective processes can be linked via interfaces and the processes can be consolidated. This also provides the possibility to connect the SAP EWM to external, non-SAP systems. As of S/4 HANA version 1610, the EWM is integrated into the ERP and can therefore also be used centrally.
SAP EWM was developed for the automated control of large warehouse complexes, for which customer-specific extensions were often necessary in classic SAP Warehouse Management (SAP WM). Due to the modular structure and conception of SAP EWM, small, simple structures can be mapped and controlled in addition to large, complex warehouses.
The enhanced components of SAP EWM compared to SAP WM include the following:
- Process or layout oriented storage task creation
- Integrated material flow system (MFS)
- Mapping of additional logistics services (VAS)
- Using a warehouse management monitor
- Efficient wave planning
- Storage and retrieval strategies
- Handling Unit (HU) Management
Implementation & Migration of SAP EWM
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Extended functional scope of EWM
Working with despatch advices (confirmations) enables dispatching to plan more precisely, as reliable information about the delivery to be received is transmitted by the supplier in the period between the order date and the desired delivery date.
Incoming appointments can be scheduled and managed in EWM. For example, in the WE process, the assignment of the gate for unloading can be scheduled as soon as the vehicle has arrived. When the vehicle passes the checkpoint, it is assigned to a free gate.
The Qualitiy Inspection Engine (QIE) is used to check the delivered goods for compliance with the previously defined quality criteria.
Deconsolidation is used to divide one HU into several deconsolidation HUs. This process step is needed to be able to put away different products in one HU in different storage areas in the subsequent step.
Automatic storage bin determination enables the appropriate location for goods to be stored to be implemented using predefined storage strategies stored in the system: e.g. fixed storage bin, open storage, additional storage, empty bin, near fixed picking bin, block storage, high-bay storage, high-bay storage or hazardous materials.
EWM items from warehouse requests for deliveries can be combined or grouped or split into waves manually or automatically so that they are picked and processed at approximately the same time.
For shipping, the units are sorted and packed. Here, an actual stock reconciliation of the vesand unit with the ERP is performed, as this step contains the last possibility to correct the unit before shipping.
In the packing dialog, products can be packed into HUs or individual HUs can be packed into further, higher-level HUs.
Goods that are to be outsourced are bundled for the shipping process according to specific criteria. In this way, products from different storage areas can be meaningfully grouped together for the packaging process.
There are different stock removal strategies for each storage area. The following stock removal strategies are available in SAP EWM: e.g. FIFO (First in – First out), LIFO (Last in – First out), best before date, batch, serial numbers, random access.
EWM uses various operations of production supply integration: Production Orders (PP-SFC), Process Orders (PP-PI_POR), Repetitive Manufacturing (PP-REM), Kanban (PP-KAB).
Integrated processes in EWM
Batch management is managed together with the master data in SAP ERP and enables articles to be assigned different characteristics, features and variants.
Slotting enables the determination of product master data, which automatically determines the storage location of the products through the putaway strategy. Accordingly, it is also the basis for the stock removal strategy.
With cross-docking, you move products or handling units (HUs) from goods receipts directly to goods issues without any putaway in between.
A kit is a list of products that are always delivered together. There are the following two options:
1. Kit-to-Stock: the kit is created for inventory and stored after completion. In this process, a kit can consist of the following levels: Kit header: represents the finished kit / Kit component: a product in the kit.
2. Kit-to-Order: the kit is created directly for an order – each kit is assembled according to a specific customer order.
Packing instructions can be used to automatically assign a packing material to individual products or product groups.
Goods to person: automated high-bay warehouse, automated small parts warehouse, etc.
Person to goods: shelf storage, block storage, etc.
Both variants support partial picking as well as multi-order picking. Different picking options are supported: Pick-by-Voice, Pick-by-Light, Pick-by-Vison, etc.
A serial number is unique for an individual product, which makes it possible to identify products specifically. This functionality is used in particular for technical products.
Resource management is integrated with RF functions and can be used to link warehouse resources, personnel, and material handling equipment to the RF environment so that the correct resources are assigned to a warehouse task.
Yard management allows you to monitor and manage vehicles (transport units) arriving at the warehouse for product delivery.
A HU is a physical unit of products in connection with assigned packaging materials. EWM also allows the creation and management of nested HUs, where individual HUs are packed into higher-level HUs.
Additional logistics services include the assembly and packaging of products, labeling, kitting or oiling. Here, both the goods receipt process and the goods issue process in the warehouse change.
The system creates a parent warehouse order that contains the picking HUs for all the warehouse tasks to be created, which the warehouse worker must pick in sequence. The warehouse worker additionally receives the warehouse order created for his activity area and its warehouse tasks.
Catch Weight Management allows products to be managed in the warehouse in two independent and equal units of measure (e.g. pieces and kilograms).
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