Storage Unit Preplanning - SAP WM

Use
Using SU management, it is possible to preplan storage units. When you preplan storage units, you create and store data about storage units in the application component Warehouse Management (WM) in advance, that is, before these actually arrive in the warehouse. When these storage units are physically received in the warehouse, you can then identify them based on their storage unit numbers and then put them away. No manual input is required other than scanning the SU numbers.

Prerequisites
It is important to realize that the preplanning of storage units is nothing more than creating transfer orders at an earlier point in time. Therefore, the following conditions apply:

  • When you preplan storage units, it would make no sense to confirm these transfer orders immediately.
  • The system will only assign SU numbers if you create transfer orders to move stock into an "SU-managed" storage type.
  • When you create transfer orders using the preplanning function, the system suggests storage bins in the normal manner. If you have configured your system to search for physical storage bins (for example, in high rack storage) these bins will be blocked for putaways when you preplan the storage units. It is better therefore if you set up your system so that the storage units are first assigned to an ID point.

You can create a separate ID point as a "goods receipt point for preplanned storage units". Since an ID point (a storage type with stock putaway strategy Q) assigns dynamic storage bins, it is possible to "store" any number of preplanned storage units at that ID point. We recommend that you create your own WM movement types for preplanned activities so that the points above can be adhered to.

Activities
SU documents are printed when you preplan storage units. You can then pass these documents to the location where the storage units are produced in advance. There, they can be attached to the corresponding storage units.

Storage-Unit-Preplanning

  1. When transfer orders are preplanned, the storage units are first transferred from the goods receipt area for production to an ID point.
  2. When the storage units physically arrive at the ID point, the transfer order items are confirmed and a second transfer order is created to move the storage units into the final storage type.

Preplanning Storage Units via an ID Point
Procedure
To preplan storage units

  1. Choose Logistics Logistics Execution Inbound Process Goods Receipt for Purchase Order, Order and Other Transactions Putaway Create Transfer Order Preplan Storage Units from the SAP menu.
  2. For a production order, as a minimum enter the
    – Warehouse number
    – Planned execution date
    – Movement type
    – Requested quantity
    – Material number
    – Plant
    Choose Preparation.
  3. Enter or modify information on the preparation screen as desired.
  4. Choose Putaway foreground. or Create TO in background.
  5. The system assigns storage unit numbers and destination storage bins. You can set up the system to assign dynamic storage bins (quant numbers) in an ID point storage type. You can also manually enter the ID point storage type in the Palletization section of the preparation screen.

  6. Post the transfer order to the database (and print the storage unit documents predefined for your system).

Receiving Preplanned Storage Units
In production, the storage units are created and preprinted SU documents are attached to the corresponding storage units. In WMS you "receive" the storage units which have physically arrived using the transaction Put away storage unit. The manual process is as follows:

  1. Choose Logistics Logistics Execution Internal Whse Processes Stock Transfer Create Transfer Order Move Storage Unit from the SAP menu.
  2. On the initial screen, enter the storage unit number and movement type.
  3. For preplanned transfer orders with open items, a dialog box will appear which asks if you want to confirm the open items for the storage unit. When you choose Yes, the system displays the confirmation screen.

  4. If there are no differences, choose Confirm internally from the application toolbar to confirm the transfer order item and Transfer order Post from the menu bar to post it to the database.
  5. Since you chose the function Create Transfer Order for Storage Unit in step 1 above, the system displays the preparation screen for putaway. From this point, you create a new transfer order to move the storage unit to the ID point and then to the final storage type in the normal manner.

  6. To create a new transfer order for the storage unit, choose Create trans.order. Based on the movement type definition and/or manually entered data, the system selects a destination storage bin and completes the transfer order preparation screen.
  7. Post the new transfer order to the database.

Handling Differences for Preplanned Storage Units
There are two situations in which differences can occur for preplanned storage units.

  • Normal differences are differences in which part of the materials in a storage unit are missing.
  • When less than the total preplanned expected storage units arrive in the warehouse, a reorganization report processes these "missing" storage units to clear the system of preplanned unused transfer order items.

"Normal" Differences
If a normal difference occurs, enter this information into the system when confirming the preplanned transfer order after completing step 2 described in "Receiving Preplanned Storage Units" above. (For step 3, if there are differences, mark the D column and choose Confirm.)

Reorganization of Preplanned Storage Units
As an example, let us assume that, although you preplanned 10 storage units, only 8 arrive in the warehouse.

Since only 8 of the 10 storage were actually placed into storage, the remaining 2 storage units must be cleared from the system. To do this, you use a report that deletes unused storage units created using the preplanning function. Choose System Services Reporting from the WM menu bar and enter RLVSPLREin the Report field.

When you start the report, the screen for the reorganization of planned transfer orders is displayed. On this screen, you enter the warehouse number and validity period. In the Validity period field, you enter the number of days from the planned execution date that transfer order items are to remain valid. Transfer order items that are still open after the validity period has been exceeded are canceled.

Example
For example, if the planned execution date is September 1, 2000, and the validity period is defined as 2 days, open transfer order items are automatically canceled on September 3, 2000


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