Ans: SAP EWM is used to efficiently manage inventory in Warehouse and for supporting processing of goods movement. It allows company to control their Warehouse inbound and outbound processes and movement of goods in Warehouse.
The main process in a Warehouse is incoming and outgoing materials, goods receipt and goods issue, fulfil customer orders, and distribution of goods. When a company doesn’t store any goods, then there is no need of Warehouse management to manage goods.
Inbound process involves storage of goods in warehouse and their location and Outbound process involves picking up the goods. Whenever a material is stored in a warehouse, it is stored in storage bin and you can find its current location.
Ans: SAP EWM is part of SAP Supply chain management like Warehouse management system but provides more robust and advance features to manage key activities in Warehouse.
SAP Extended Warehouse Management EWM is similar to Warehouse management but it provides more features like picking, put away, RF framework, Warehouse structure and more flexible options to manage warehouse functions.
You can create new elements like activity area, resources, labor management and work centers in SAP EWM which were not available in WM.
SAP EWM provides more robust solution to manage warehouse functions in an organization. It is also a part of SAP Supply Chain Management and also support all the processes with in logistics and supply chain.
Ans: Below are the key features in SAP Warehouse management −
Ans: SAP EWM can be considered as deployed in ERP server or you can also consider it as an application in Supply chain Management landscape.
SAP EWM is integrated with ERP to access transaction and master data and use of features like slotting, availability check also requires integration with CRM.
SAP EWM is considered as separate application and share the same server with SCM applications. You can also run SAP EWM in its own SCM environment which is suitable to get improved performance.
EWM Deployment options −
Ans: SAP ERP and EWM are closely integrated with each other for transfer of transaction and master data. There are two different ways of communication.
Core Interface (CIF) −
Core interface is one of the common method for communication between SAP SCM system and SAP Advanced Planning and Optimization APO. Master data maintained in ERP system like customer, material and vendor which are available in ERP system are transferred to EWM system use Core Interface CIF communication.
How do you check various menu structure of Extended Warehouse management system?
Login to SCM system and navigate to Extended Warehouse management node in SAP menu. You can use various transactions to manage basic functions in Warehouse management −
| Warehouse Monitor | /SCWM/MON |
| Maintain Inbound Delivery | /SCWM/PRDI |
| Maintain Outbound Delivery | /SCWM/PRDO |
| RF Environment | /SCWM/RFUI |
| Creating Storage Bin | /SCWM/LS01 |
| Confirm Warehouse Task | /SCWM/TO_CONF |
| Warehouse product Maintenance | /SCWM/MAT1 |
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Ans: Storage bins represent the physical location of storage space where the products are stored in Warehouse. They are at lowest level of organization structure and when you store an item in a Warehouse you need to mention its exact location.
Ans: Storage bins are further categorized in activity area. It includes activities like picking, put away or a physical inventory. As per activity, you can assign same storage bin to multiple activity areas.
Ans: The quantity of goods in storage bin is represented by Quant. The quant is used for managing inventory in storage bin.
Ans: To create a Storage bin, you can use T-Code: /SCWM/LS01
Ans: Warehouse consists of following elements in hierarchical structure −
Ans: The highest unit in a Warehouse is Warehouse number and smallest unit is a storage bin.
Ans: This is part of storage type and represents a group of bins with same characteristics. Commonly used storage sections are fast moving or slow moving items, etc.
Ans: A work center in Warehouse is assigned to a storage type and a physical unit to perform packing, deconsolidation or weighing activities. Storage type assigned to work center has a role of work center, pick point or pick point and identification. You can also configure more than work center in a storage type.
Ans: Work center can be used for the following processes −
Ans: To create a work center for packing, you need information −
To define a work center, navigate to Extended Warehouse management → Master Data → Work Center → Define Work Center.
Ans: There are different Warehouse process categories that are predefined in EWM system −
Ans: Value Added Services define the product processing to be performed in a warehouse and includes activities like packing, labeling, assembling, etc.
Ans: VAS order inform warehouse employees about the work that they have to do as part of delivery and packing specifications.
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Ans: Go to SAP Easy access → EWM → Master Data → Packaging Specification → Maintain Packaging specification.
Ans: The goods issue process in extended warehouse management starts with outbound delivery request. When an outbound delivery document is created, this process starts in ERP system. For items that are relevant in EWM, delivery document is replicated in SAP EWM system.
Ans: Stock removal strategy is method of determining storage bins for one or more products to be picked. You can customize stock removal rule definition table in customizing for SCM extended warehouse management.
Ans: When an outbound delivery request is created, EWM system doesn’t create a warehouse task or task is created with a partial quantity, this is called Denial scenario.
Ans: When a warehouse task can’t meet the quantity requested in outbound delivery request, system can be configured to raise a pick denial.
In case of stock discrepancy picked by an employee, smaller quantity as per outbound delivery and no other stock is available in warehouse, you can set the system to execute a pick denial.
Ans: Storage control is used to determine product movements in warehouse. It is used to execute put away or stock removal process in warehouse.
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Ans: In SAP Extended warehouse management, process oriented storage control is executed first and layout storage control is executed to check if put away step is possible in warehouse layout view and also adjust the put away or stock removal as per layout view.
Ans: System determines the storage location when it creates outbound delivery and copies it to delivery item.
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Ans: This is used to manage picking, packing and transportation of goods in activity areas in warehouse. This can be used in RF environment commonly and process flow is same as for standard RF process. In pick, pack and pass goods are moved from activity area to activity area till it arrives at destination point in the system.
Ans: You need a warehouse order creation rule that supports the top warehouse order creation for the pick, pack, and pass process. The creation categories for this are −
System-driven −
For the system-driven option, the sequence of the warehouse orders in the top warehouse order is determined according to the sort sequence of the assigned in the configuration settings for joining the activity areas.
User-driven −
For the user-driven option, the sequence is manually determined during the execution, which means it can also be done by the material flow system (MFS).
Ans: Replenishment is defined as movement of goods from warehouse to shipment locations. In SAP EWM, you can use predefined techniques for replenishment of storage bins. There are different replenishment control fields defined at storage type level or storage bin level. The data for control fields can be entered manually in system or you can use slotting process to define these fields.
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Planned Replenishment −
Planned replenishment can be performed either interactively or in the background. The system calculates the replenishment in accordance with the defined minimum quantity and maximum quantity. Replenishment control is triggered when the stock is less than the minimum quantity.
Order Related Replenishment −
Order related replenishment is performed when stock figure is less than required quantity. The system rounds up the replenishment quantity to a multiple of minimum replenishment quantity. The maximum quantity can be exceeded and order related replenishment can be performed in back ground or interactively.
Ans: Automatic Replenishment −
The system starts automatic replenishment when a warehouse task is confirmed. Replenishment is calculated as per maximum and minimum activity.
Direct Replenishment −
Direct Replenishment is started during a pick denial and is only possible for fixed bin scenario. The system calculates replenishment as per maximum and minimum quantity.
Direct replenishment is performed by picket and it assume zero storage bin quantity.
Ans: To perform financial accounting and tax regulations, you may need to perform accurate inventory to get the value of an inventory in warehouse. Physical inventory process deals with counting physical inventory of a warehouse and to get counting results.
Physical inventory can be used by management to count inventory so that product can be stocked or corrected.
Ans: There are two types of physical inventory that can be performed −
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Ad-hoc physical inventory is type of continuous physical inventory and It can be executed anytime during the fiscal year, an ad hoc physical inventory may become necessary.
Ans: Slotting is a process in EWM to define most suitable putaway parameters- storage type, section, etc. Slotting places the good in a warehouse in the manner that provides most optimal storage and picking of goods.
There are different parameters that are used in slotting process −
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Direct Labor −
This includes time to perform warehouse activities like picking, packing, put away, etc.
Indirect Labor −
This includes extra activities to manage warehouse like Sweeping, cleaning, housekeeping etc.
Ans: Expected good receipts are used to create inbound deliveries. You can also create goods receipt in EWM system without an inbound delivery.
Advantages of using Good receipt −
Ans: Cross Docking allows you to reduce the costs of goods transportation in warehouse and shorten the time needed for delivery. Cross docking only creates one movement GR Zone to GI Zone and can only be used if stock for removal is not determined by First in first out.
Ans: There are different types of cross docking available in SAP system −
Ans: In SAP EWM, RF stands for radio frequency mobile data entry that allows real time communication between warehouse employees and EWM system.
RF framework supports both browser based and GUI devices to connect to SAP system. You can create screen templates and merge them to a so called display profile. This display profile is assigned to the presentation device.
RF framework in SAP EWM system provides all warehouse functionalities −
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a) The system determines the storage location when it creates the outbound delivery and copies it into the delivery item.
b) The storage location entered in the order item is used in the outbound delivery
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Two transactions are available to create a transfer order for moving partial stocks within a warehouse number:
Create Transfer Order without Source Object (transaction code LT01)
Create Transfer Order from Stock List (transaction code LT10)