User exits offer you the option of enhancing the existing functions according to your personal requirements.
The following user exits are available:
User Exit Screens
The RF solution supports the two screen formats (8x40/16x20) that are offered by most manufacturers of RF devices. The user exit function enables you to display other fields, according to your particular requirements, and also to implement other screen formats.
You can add fields that are available through standard transactions to the existing screens. Currently, these fields can only be used for display purposes. Also, you can eliminate fields, which are part of the RF solution, from the display.
Changing the Screen Format
The RF transactions use logical screen numbers. User exit screens are built upon existing screens, but have a separate ID (physical screen number). This physical screen number is assigned to a logical screen and then implemented for users who are assigned to the same user exit class. User exit screens are maintained in a separate user screen library. The templates have been defined as part of the RF screen management environment in order to help the user with the development and logic of the specific screens. These screens are called "dummy" screens.
Changing the Screen Layout on Runtime
To change the screen layout on runtime, use the following screen layout modules:
Screen Selection in RF
The screens in the radio frequency transactions are divided into two main groups: Source information screens and destination information screens. In each group, the screens are chosen dynamically, according to transfer order properties, such as activity and storage unit management.
For example, if the transfer order does not contain a storage unit number because the material will be put away into a non-storage unit-managed storage type, source information screen number 212 appears. If the material will be put away into a storage unit-managed storage type, screen number 202 appears as the source information screen and 302 as the destination information screen. Special screens exist for the confirmation of transfer orders with bulk storage types, because the actual storage unit number must be scanned.
Screen numbers for the different activities and properties
Defining a Screen
You can either create a new screen or copy an existing one.
Assigning a Screen
Use of the User Exit
Verification with User Exit
The radio frequency solution supports four types of verification: Storage bin, storage unit number, material, and quantity. To be able to verify other fields, the system also provides a general verification entry. You can use this verification to meet individual requirements, such as verification of batches.
Sorting Using the User Exit
System-guided transfer order processing in the RF solution supports two different sort possibilities for the transfer orders:
Both options can be used in the following transactions, but we strongly recommend that you implement the user exit only in the interleaving transactions. In the other system-guided transactions, the sorting defined in the user exit is not reflected properly in the RF monitor
Procedure: Sorting Without a User Exit
In the system-guided RF transactions, if you do not define a user exit, the system selects your transfer orders by priority and then by creation date and time.
Procedure: Sorting by Different Sort Criteria with the Help of a
Use the user exit function EXIT_SAPLLMOB_061:
To use the user exit, use the enhancement name MWMRFSSG. As an additional selection criterion, you want the system to select a transfer order for picking with a source storage bin close to the destination storage bin of the transfer order for putaway executed before.
If you do not define your own user exit in this function, the system selects the transfer order for picking only according to the queue assignment and the standard sorting mentioned above.
Printing Using the User Exit
The radio frequency solution supports the printing of different label types, for example, shipping labels and handling unit labels. You can use the print pushbuttons in the respective transaction by creating your own user exit function module, which is called from the LE_MOB_PRINT function module.
To indicate that you created your own user exit in order to print labels, change the status field in the function LE_MOB_PRINT.
Deactivating Function Codes with the User Exit
Using this user exit EXIT_SAPLLMOB_222, you can deactivate function codes in the delivery header screen.
To deactivate individual function codes, activate the user exit using the enhancement name MWMRFCOD and clear the output parameter O_ENABLED.
The respective button still appears on the delivery header screen, but it is deactivated.
Adding Function Keys to Screens
You can add function keys to the user exit screens of the following screens:
On those screens you have the option to use one more function key. In the respective user exit screen, you can display the pushbutton and assign to it the function code USRF in the GUI status, which corresponds to the function key Shift+F1. Define the functionality of the function key in the user exit function EXIT_SAPLLMOB_077.
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Planning And Monitoring
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Hazardous Materials Management
Wm Interface To Quality Management
Stock Transfers And Replenishment
Posting Changes In Wm
Putaway And Picking Strategies
Storage Unit Management
Interfaces To External Systems
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