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Automated warehouse with SAP

Seamless integration of your automated warehouse with SAP® EWM

SAP® EWM - Extended Warehouse Management

The SAP Extended Warehouse Management (EWM) is the strategic warehouse management software from SAP. Compared to the Warehouse Management (WM) EWM offers expanded functionalities to manage complex logistics processes.

With the decentralised solution as a completely integrated part of the SAP Supply Chain Management platform, the EWM system can be used independently from the ECC while its processes are connected to the ECC trough interfaces and can be matched any time. This approach also allows to connect the SAP EWM to external non-SAP systems.
SAP EWM was developed to automatically control complex warehouses. To meet those requirements in SAP Warehouse Management (WM) is only possible with customizing (with customer specific solutions), in most cases.

However, the modular structure and concept of SAP EWM enables you to manage small and simple warehouse concepts just as well.

Material Flow Control (SAP® MFC)

Integrated functional compenent for direct communication between EWM and PLC

SAP MFC is an integrated functional component of SAP EWM. The application area is the material flow control for automated storages. The special feature of SAP MFC is the direct communication between EWM and the programmable logic control (PLC). Fully and partly automated warehouse systems can be directly connected with SAP without using an external material flow computer.

The expansions and Add-ons developed by HPC can be used to achieve complex goals like: multiple depth storing; various putaway strategies or multiple picking by the storage and retrieval system or shuttle.

It also allows you to use the following functionalities via MFC:

  • Seamless integration of mobile data collection like RFID, Pick-By-Light or Pick-By-Voice
  • Fully automated multi depth putaway of handling units (HU) with any amount of stations / reporting points
  • Efficient putaway and picking processes by reducing empty transports and interleaving
  • Direct telegram communication between EWM and PLC via bi-directional communication channels
  • Reducing issues by forwarding the PLC’s error messages to EWM
  • Controlling and monitoring in SAP with the warehouse management monitor (stock, telegram communication, warehouse tasks etc.)

Automated warehouse with multiple storage depth

Efficient putaway-, stock transfer and from-bin strategy

The illustrated automatic small parts warehouse uses an automatic storage and retrieval system with an advanced multipleload handling device that makes multiple deep interleaving possible thus improving strategies to efficiently supply preceeding and subsequent processes.

The example below shows two differently dimensioned transport equipments in use: The small load carriers (400x300 mm) have a storing depth of four and the big load carrier (600x400 mm) of two times. In addition, a combination of both (two small and one big) in different varieties is possible. In SAP EWM the load carriers are being uniquely identified as Handling Units (HUs) with a HU number.

Fig. 1 Illustration: multiple storage


Combination possibilities with a multiple depth storage

The use of automated storage systems with multiple depth storing leads to enormous savings of space. Thereby, the requirement of storage and retrieval systems is reduced, and the investment costs are decreased. Furthermore, the multiple depth storing enables a variety of storage bin combinations and smart warehouse strategies that lead to a much higher flexibility.

User-friendly picking process

Efficient picking with an intuitive user interface

The interface developed by HPC provides user-friendly option for picking goods. The clear schema and easy handling of the illustrated picking dialog allows for an efficient picking for the operator.

Fig. 2 User-friendly picking process

The illustrated F-keys enable the following functionalities:

  • F5 new destination HU: automatic creation of a new destination HU
  • F6 complete HU: Complete the manual picking
  • F8 Single confirmation: confirm warehouse task
  • F9 Putback: Fully automated putback of HU
  • F10 HU Remove HU: manually remove HU from conveyor belt
  • F11 Difference: post difference

The data of the current HU on the picking bin is displayed in the left area of the screen. To support the operator, an image of the product that needs to be picked is displayed on the right side. By clicking the destination HU on the screen of the graphically displayed picking trolley the field is being marked and the warehouse task confirmed. The product is ready for being putaway.

Nahtlose Integration Ihres automatischen Lagers in SAP

Durch den dezentralen Ansatz kann das EWM-System unabhängig vom ERP verwendet und somit ist auch die Möglichkeit gegeben, das SAP EWM an externe, Non-SAP-Systeme anzubinden. Entwickelt wurde SAP EWM für die automatisierte Steuerung großer Lagerkomplexe, wofür im klassischen SAP Warehouse Management (SAP WM) oft kundenindividuelle Erweiterungen notwendig wurden.


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