How to use PSS parameters
The Project Planning Parameters (tppss0100s000) session enables you to set parameters that relate to both parts of the Requirements Planning module.
Project Planning parameters
These parameters cover the default project plan and details that relate to the external scheduling package (including currency, time unit, and details of code lengths).
Project Requirements Planning parameters
These parameters cover the default number groups and series used by warehouse orders and purchase orders. You can also decide here whether or not you require inventory checks to be made for warehouse deliveries by default.