Time Scheduling with SAP PS

 

 

As discussed in the previous section, setting-up the project structure is the first step in creation a project in SAP PS.

 

Once the structure is mapped we can start the planning process.

 

Time scheduling in SAP PS depends on whether we are using networks or not.

 

Scheduling with WBS Elements:

 

This is a manual process as we will need to enter our planned dates manually on each WBS Element.

 

WBS Elements do not have relationships so changing a date on a WBS Element in the structure will not cause the planned dates of other WBS elements on the same level to be shifted.

 

Scheduling with networks:

 

Planned dates when using scheduling with networks are calculated automatically by the system.

 

A prerequisite for this is to set-up the relationships between the network activities. The relationship type specifies how the network activities are linked together:

 

  • Start - Start (SS) Relationship:

      Relationship between the start of one activity and the start of its successor.

 

  • Start - Finish (SF) Relationship

      Relationship between the start of one activity and the finish of its successor.

 

  • Finish - Start (FS) Relationship:

      Relationship between the finish of one activity and the start of its successor.

 

  • Finish - Finish (FF) Relationship

      Relationship between the finish of one activity and the finish of its successor.

 

In SAP PS, scheduling is always done both in forward and backward direction. This process generates respectively the earliest and latest dates.

 

The main tool used in SAP PS to schedule a project is called the Planning board (Transaction CJ2B), this tool displays the project Gantt chart and allows to modify the project dates, project master data and a large set of options. This tool is also accessible from other transactions such as the project builder (CJ20N).

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Last updated: June 2020