Siemens SIMATIC S7-300 Getting Started page 63

Step Activity
5 Confirm with "Continue".
Result: The "Axis Configuration - Axis_1 Drive Assignment" dialog box opens.
CPU 317T-2 DP: Controlling a SINAMICS S120
Getting Started, 03/2008, A5E00480391-03
3.11 10. Step: Configuring the axes with S7T Config
Result
Learning units
63