This Blog is mainly on SAP Exam Questions and Selected "How-to" SAP processes

Tuesday, April 22, 2025

Q&A in Class (2025-04-22) EWM110

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Question: What are the configuration steps of interface between ERP and EWM?

Answer: Configuring the EWM interface involves setting up the communication and integration between SAP EWM and other SAP systems (like ERP) or external systems. This typically includes defining logical systems, setting up RFC destinations, defining queues for data transfer, and generating distribution models. Additionally, configuring EWM parameters, defining warehouse structure, and creating master data like storage types, bins, and activity areas is crucial. 
Here's a more detailed breakdown of the configuration steps:
  1. Basic System Setup & Integration.
    • Define Logical Systems and Assign to Clients: Establish logical systems (both ERP and EWM) and assign them to their respective clients. 
    • Define RFC Destination: Configure the RFC destination in ERP for EWM to communicate with the ERP system. 
    • Set Up qRFC and Queues: Define queues for data transfer between ERP and EWM, ensuring the proper flow of data. 
    • Generate Distribution Model: Create a distribution model to specify which data objects and attributes should be transferred between systems. 
    • Configure EWM-Specific Parameters: Set up EWM-specific parameters eg: Supply Chain Unit, Plant integration to Business Partners for "Default Entitled Party to Dispose"
  2. Warehouse Structure and Master Data:
    • Define Warehouse Number: Create and assign warehouse numbers in both ERP and EWM, ensuring consistency. 
    • Activate EWM deployment scenario: Embedded or Distributed or External EWM. 
    • Define Plant, Storage Location, and Shipping Point: Define these elements in ERP and map them to EWM locations. 
    • Create Storage Types, Storage Sections, and Storage Bin Types: Define the organizational structure within the warehouse in EWM. 
    • Create Storage Bins: Define the physical storage locations within the warehouse using a program, template, or upload. 
    • Define Activity Areas: Define the areas where specific warehouse activities (like put-away, retrieval) can occur. 
    • Create Master Data (Material, Customers, Vendors): Transfer material master data, customers, and vendors from ERP to EWM using Core Interface (CIF) or ALE IDOC (BD10, BD20) depending on system and SAP version.  
    • Create EWM Work Centers: Define EWM work centers for Warehouse Inspection, Deconsolidation, Packing, Value-Added Service etc in Warehouse steps. 
    • Define Availability Group usually with nomenclature of "Plant/SLoc", assign it to Location-Independent Stock Type in EWM like "FF" (Unrestricted) or "QQ" (QI stock type). Also assign the Availability Group to Sub-stock type of "F1" (at Dock), "F2" (available for use).
      • "SPCW/RD00" - "F1" - "FF" assign to Plant SPCW and SLoc RD00
      • "SPCW/RD00" - "F2" - "FF" assign to Plant SPCW and SLoc AF00
  3. EWM-Specific Configuration:
    • Create and Mapping of EWM Inbound/Outbound Documents of different Category (for Inbound, Outbound, Posting Changes) to LE Inbound/Outbound Documents. 
    • Create and Mapping the Item Type in EWM Inbound/Outbound Documents to the Item Category of the LE Inbound/Outbound Documents.  
    • Define PPF Actions for the Header and Item Type EWM Document or Print and Process Control if necessary. 
    • Define Warehouse Process Types: Define the different types of warehouse processes (e.g., inbound, outbound, internal movements). 
    • Configure Process-Oriented Storage Control (POSC): Define how storage processes are controlled, including external storage steps and process definitions. 
    • Configure Storage type Determination Strategies for Putaway and Removal Strategy. 
    • Configure Storage section Determination Strategies for Putaway and Removal Strategy. 
    • Configure Bin Sorting parameters and perform Bin Sorting. 
    • Define Putaway and Replenishment Strategies: Determine how goods are stored and replenished within the warehouse. 
  4. Configure RF:
    • To configure Radio Frequency (RF) for SAP Extended Warehouse Management (EWM), you'll need to define the RF framework, create presentation devices, configure RF menus, assign users to RF profiles, and integrate with SAP ITS Mobile.
      • Navigate to SPRO -> SCM Extended Warehouse Management -> Mobile Data Entry -> RF Framework -> Define RF Framework Parameters.
      • Activate the RF framework for the required warehouse.
    • Define Presentation Devices:
      • Presentation Profiles: These define the appearance of the RF screens, including text size, layout, and more.
      • Presentation Device Maintenance: Define presentation devices to connect to SAP through a browser or a device that supports SAP Console. 
    • Configure RF Menu:
      • Navigate to SPRO -> SCM Extended Warehouse Management -> Mobile Data Entry -> RF Framework -> Define RF Menu. 
      • Define the menu structure and functions available on the RF devices. 
  5. Configure Material Flow System (MFS):
    • If using MFS, configure the interfaces, communication channels, and other relevant settings. 
    • Set Up Integration with Other Systems:
    • Configure integration with other SAP systems like Transportation Management (TM) or Production Planning (PP). 
  6. Testing and Validation:
    • Test Data Transfer: Ensure that data is transferred successfully between ERP and EWM. 
    • Use EWM Monitors: Tool - Queue to check if Message Arrival and troubleshoot the Log to identify issues of the Queue to address missing configurations accordingly. 
    • Test Warehouse Processes: Verify that warehouse processes (e.g., inbound, outbound, internal movements) work as expected. 
    • Validate Master Data: Ensure that master data (e.g., materials, storage bins) is correctly maintained in EWM. 
By following these steps, you can effectively configure the EWM interface to integrate with other SAP systems; However, it is important to note that SAP updates in its new SAP versions of simplified and/or additional steps to the configuration that will be applied to obsolesce and new functionalities.
See the following link for steps overview: 
Also check the following resources: 

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Question: What is the meaning of Custodian, Party Entitled to Dispose, and Ship-from Party ?


Answer: All of the 3 objects are created as Business Partner which represents the Plant (or Company) with the following attributes:
  • Custodian: The custodian is the entity that has direct physical control over the stock. This could be a specific plant or warehouse, and the warehouse itself can be a custodian, according to SAP Community.
  • Party Entitled to Dispose: The party entitled to dispose is the entity that has the right to sell, transfer, or otherwise dispose of the stock. This can be different from the owner or custodian.
  • Ship-from Party: Usually to represent as the Delivery Plant. 

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Question: What is the purpose of Activity Area in SAP EWM ?

Answer: In SAP EWM, an activity area serves as a logical subdivision of a warehouse, used to group storage bins that are managed together for specific warehouse activities. It allows for defining activity-
dependent bin sorting, which optimize the execution of warehouse tasks like putaway or picking.

Here are characteristics and usages of Activity Area:
  • Logical Subdivision: Activity areas help divide a warehouse into sections, each dedicated to specific warehouse operations, such as picking, putaway, inventory counting, or replenishment. 
  • Activity-Dependent Bin Sorting: Within an activity area, you can create bin sorting that are specific to the activities performed there. This allows EWM to prioritize bins based on the type of task being executed. 
  • Optimizing Warehouse Tasks: By defining activity areas and their corresponding bin sorting, EWM can efficiently assign warehouse tasks to specific bins within the appropriate area, leading to streamlined warehouse operations. 
  • Flexibility: Activity areas can span across one or multiple storage bins, and they can also encompass bins from the same or different storage types. 
  • Storage Bin Assignment: Storage bins are assigned to activity areas, ensuring that warehouse tasks are directed to the appropriate areas and bins for optimal efficiency. 

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Question: What is the purpose of the XYZ Coordinates in SAP EWM Storage Bin definition ? 


Answer: The following summary points on the EWM Bin XYZ Coordinates:
  • The XYZ coordinates of the Bin Structure can be represented in a a three-dimensional map. User can determine the XYZ coordinates of the warehouse storage bins by overlaying the warehouse diagram onto a map and measuring the location of the storage bins according to the XYZ coordinates of the map. 
    • SAP allows the mapping using the Metric measurement (M or Meter). 
    • If the company have an AutoCAD blueprint of the warehouse and all of the shelving/storage bins then the relative distance between aisles, stacks, levels, and bins specified by units of measure can be mapped in a 3D view of the warehouse via the X, Y, X Coordinates.
    • With the proper setup of the relative XYZ coordinates of the EWM bins, users can view the warehouse using /SCWM/GWL t-code (the Graphical Warehouse Layout (GWL) display two-dimension layout of your warehouse).
  • The X, Y, and Z coordinates specified for the Bins can then be used in the travel path calculations for labor management because the distance calculations are based on relative differences between the points.
    • In order to calculate the travel time based on the travel distance, the average speed of the resource assigned is used in the standard formula (time = distance/speed) (albeit using average speed of the resources in the warehouse) via t-code /SCWM/TDC_SETUP (Travel Distance Calculation transaction). 

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Question: What is a suitable method to upload initial stocks in the EWM system ? 

Answer: The following are some guidelines for t-code /SCWM/ISU or Program /SCWM/R_INITIALSTOCKUPLOAD.

  1. Prepare the CSV File:
    • Structure: The CSV file needs to be structured according to the /SCWM/S_STOCK_UPLOAD_EXT structure, as mentioned in the SAP documentation.
    • Fields: The CSV file should include columns for:
      • Warehouse Number
      • Material Number
      • Quantity
      • Storage Bin
      • Handling Unit (HU) - if applicable
      • Other relevant details (e.g., Batch, Stock Type).
    • Format: The CSV file should be saved in a local format.
  2. Use Transaction /SCWM/ISU:Access: Navigate to the transaction code /SCWM/ISU.
    • Upload: Browse and select the prepared CSV file.
    • Check Data: Review the uploaded data to ensure accuracy.
    • Execute: Click the "Execute" button to initiate the stock data transfer.
    • Logs: A log will provide confirmation that the HU is created for the material and the material document is posted.
  3. Using Report /SCWM/R_INITIALSTOCKUPLOAD (Alternative Method):
    • Access: Navigate to the report /SCWM/R_INITIALSTOCKUPLOAD.
    • Upload: You can either upload a local CSV file or a file from an application server.
    • Process: The report will process the data in a similar manner to the /SCWM/ISU transaction.
  4. SAP Note 974852: Refer to SAP Note 974852 for guidance on building the stock upload CSV file. 
More resources for data migration: 

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Question: What is the purpose of the SCU (Supply Chain Unit) in the EWM system ?

Answer: In SAP EWM, a Supply Chain Unit (SCU) represents a physical or organizational entity involved in logistics processes. 
It can be a 
  • warehouse
  • a goods receipt office
  • a shipping office
  • or any other location where goods are handled
The purpose of a SCU is also to represent a specific geographical location and maintain its associated logistical functions within EWM. 

As in the above pictorial example
  • A Plant SPCW contain raw material storage locations of RD00 and RD01 which is linked to a EWM warehouse E100, the warehouse address is at the East Road with Gate 1 entered the Yard for the Goods Receipt Docking. A SCU (Supply Chain Unit) created also as E100 will be set using the East Road Gate 1 address with the Warehouse having activity attributes as a Warehouse and Goods Receipt Office. The Geo Data for SCU E100 is X1 Longitude and Latitude. 
  • The same Plant SPCW also contain finished product storage locations of AF00 and AF01 which is linked to another EWM warehouse of E101, but this warehouse address although the SAME but the exit gate for Outbound Delivery is via Gate 2 on the West Road. AND the SCU (Supply Chain Unit) will be created as E101 (same as the EWM warehouse E101) but will be assigned with activity attributes as a Warehouse and Shipping Office. The Geo Data for SCU E101 is X2 Longitude and Latitude. 
  • One Business Partner as SPCW code same as Plant code SPCW is created to be assigned to the Plant SPCW and also contain attributes as Custodian, Party Entitled to Disposal, and Ship-to Party AND the Single BP is assigned to both SCU E100 and SCU E101; as regardless of either Warehouse, the stock responsibilities of the raw materials SLoc at RD00 or RD01 OR finished goods SLoc at AF00 or AF01 are to ONE Plant SPCW. 

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