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Default storage locatio selection for component

When a BOM is created, it contains the component. At the time of issuing the component of production the issuing storage location is required.

Each component in a production order can be assigned a default storage location. This automatic assignment enables automatic withdrawal posting when backflush is enabled.

There are so many options by which default storage location can be selected. The priorities are mentioned as below.

Work center-> BOM -> Material master -> MRP group ->Production version.


The selection process is as below



In each priority like work center, BOM etc there are different setting options.

First system checks the st loc in Work center Production supply area (PSA).

By PK05 we maintained PSA is work center.

Assign the PSA in work center by CR02.

As well the assignment of st loc is there in material master.

Now when the order is created the assignment of component is selecting the st loc from PSA which is maintained in W/C. Not from material master as W/C is having highest priority.

Now work center PSA deleted and material master st loc also deleted and order created again. No default st loc got selected.

Now again maintained st loc as 0002 in mat master.

Changed MM storage location in BOM also as 0001.

Now creating the order. Assigned st loc is 0001 as BOM is  having higher priority than mat master.

Now maintaining the PSA in BOM item. Here you have to maintain the same st loc in which the supply area is assigned.

Now after creation of order though mat master st loc setting is 0002 system is taking from BOM PSA storage location as 0005. This is because BOM is having higher priority than material master.

Now deleting the setting in BOM as it is having higher priority and setting in mat master. As mat master setting is 0002  order is taking st loc as 0002.

Maintain supply in material master  and removed prod st loc from there.

Creating the order. It is taking from supply area storage location.

At last if production order creation is done with  prod version then it will check in prod version for default st loc. Else no automatic selection will be there.

Selection with prod version

Check the setting in MRP group(OPPR).

Now if the setting is “Blank” or “1” then production storage location of the material master of the component is selected as the issuing storage location.

If the setting is “2” then system uses the default issue storage location specified in the material master record of the header material in the production version. If no default issue storage location is maintained in the production version, then the system uses the receiving storage location for the assembly as issue storage location for components.

If the setting is “3” system behaves according to strategy 1 first and then according to strategy 2 next.

If the setting is “4” system behaves according to strategy 2 first and then according to strategy 1 next.

If the selection is NOT “1” or “Blank”(means 2,3 or4)

System check the PV issue storage location.

If it is not maintained system will check Receipt storage location in PV.

If it is not there also, system cant select storage location as default. Manually st loc has to be selected.

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