Use
MRP ensures that materials are available, which means that the required quantities are procured in due time.
MRP for order BOMs is basically the same as standard MRP. Merely the following prerequisites must be met.
You can use the Project System for MRP. See
Prerequisites
The system always selects the material BOM in MRP when only collective requirements are allowed for an assembly. The material BOM is also selected when only collective requirements are allowed for an assembly that is on a higher level on a direct path.
You can use the
Select an explosion type that allows either collective and individual requirements or individual requirements only on the item detail screen for the components in the higher-level BOM when you want to fix the BOM for a material and the setting for the BOM is collective requirements only. The setting in the BOM item overrides the setting in the material master record.
Features
There is an MRP run for make-to-order production. This planning run does the following with reference to the sales order item:
You can check the planning result in the MRP list or the stock/requirements list.
A special case is when you work with detached order assemblies that you want to plan and manufacture before they are integrated in a multi-level BOM for a sales order item.
For further information on MRP, see PP – Material Requirements Planning, under
Control Parameters for the Planning Run Multi-Level, Make-to-Order Production MRP List and Stock/Requirements List