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The material for which a sales document item is created, determines, together with information from the sales document, how the order is to be processed. It is therefore essential that the correct settings are made in the material master. For more details on requirements class determination, refer to

Material Requirements in Assembly Processing


To maintain the material master, choose Logistics ® Production ® Master data ® Material master or Logistics ® Material management ® Material master and then Material and create(special or general) or change.

In addition to the other settings in the material master, you have to maintain the following indicators and fields correctly, to enable assembly processing.


Make sure you use a material type in which you can maintain the relevant views (Sales: Sales Org, MRP).

Delivering Plant

This field, which in the standard system is on the Sales: Sales Org. view, sets the default delivery plant in the sales order. The system requires this information in order to carry out assembly processing. If you do not maintain this field, assembly processing does not function with the material.

Item Category Group

This indicator is part of the link between the material master and the sales document. When you create a sales document item for this material, the combination of the item category group and the sales document type determine the item category. You can find this field on the Sales: Sales Org. view. We recommend the following settings for the field : Configuration (0002) or Milestone-Bill Plan (0005), depending on whether you want to use configuration or not.

MRP type

This indicator, on the MRP view of the standard system, determines how the material is planned, for example using MRP or MPS (master production scheduling). As discussed in

Material Requirements in Assembly Processing, since you want to use network planning for this material, you do not want to use MRP for this material. One way of doing this is to set this field to No planning (ND). However it is preferable to set the No MRP indicator in the requirements class.

This field does not affect how network components are to be planned. You make these settings in the material master records of the component materials.

Strategy Group

This indicator, on the MRP view in the standard system, specifies which strategies are permissible for the material. You can specify a main strategy and several additional strategies, which can also be used.

In the standard system there are two strategy groups for assembly processing with the Project System:

Assembly processing, network without project (083)

Assembly processing, network with project (085)

These strategy groups use sales order stock and not project stock. If you want to use project stock (from Release 4.6) you must create your own planning strategy and strategy group as described in note 316434.

Availability Check

This indicator, on the MRP view in the standard system, determines how the availability is checked for the material in general. An availability check is run, when you trigger assembly processing.

Individual/Collective Requirements

This indicator, on the MRP view in the standard system, determines whether individual and/or collective requirements are allowed for the dependent requirements generated by the material. It should be left blank or set to 1. Since assembly processing uses sales order stock (or project stock), which are individual stocks, you should not choose only collective requirements.

See also:

Making Settings for Configuration



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