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 Scheduling an External Operation Locate this document in the navigation structure


When an order is scheduled, both internal and external operations need to be taken into account.

You can choose how the duration of external operations is calculated:

  • Using the planned delivery time

If a planned delivery time is maintained in the purchasing info record, it is copied into the order. The planned delivery time can also be maintained in the operation itself.

  • Using the standard values

The standard values defined in the external operation are entered into the scheduling formula to calculate the duration of the operation (that is, the same procedure as for in-house operations).


The control key of the external operation specifies whether the system uses the planned delivery time or the standard values to schedule the external operation.


External operations are scheduled as part of Order Scheduling .