HEIDENHAIN PROFIBUS-DP (DPV2) - Manual (Page 33)

Configuration example
33
Once the configuration and parameterization of the device has
been completed, the settings need to be saved and compiled.
This is done by clicking on the Save and Compile option under the
Station tab.
The settings then need to be downloaded to the controller. This is
done by clicking on the Download option under the PLC Tab.