Siemens SINAMICS S120 Function Manual page 822

Applications
11.2 Description
Example of a star/delta changeover (via speed threshold; encoderless)
Requirements
● The first commissioning has been completed.
● 2 motor data sets (MDS), p0130 = 2
● 2 drive data sets (DDS), p0180 = 2
● 2 digital outputs to control the auxiliary contactors
● 2 digital inputs to monitor the auxiliary contactors
● 1 free speed monitoring (p2155)
● 2 auxiliary contactors with auxiliary contacts (1 NO contact)
● 2 motor contactors with positively-driven auxiliary contacts (1 NC contact, 1 NO contact)
● 1 motor, 1 Control Unit, 1 infeed, and 1 Motor Module
820
Figure 11-3 Example: star/delta changeover
Function Manual, (FH1), 01/2013, 6SL3097-4AB00-0BP3
Drive functions