Siemens SINAMICS SM120 - DC;DC Converter; Line Filter; Figure 3-2 DC;DC Converter; Figure 3-3 Line Filter

3.3.5 DC/DC converter
DC/DC converters are used to provide a stable and safe 24 V power supply of the external
customer connections.
Figure 3-2 DC/DC converter
Detailed information about connecting the DC/DC converter is provided in the circuit manual.
The mounting location is provided in the layout diagram.
3.3.6 Line filter
Line filters are used to suppress interference in the auxiliary power supplies. Information about
the connection of the line filters is contained in the circuit manual. The mounting location is
provided in the layout diagram.
Figure 3-3 Line filter
Description
3.3 Components
SINAMICS SM120 6SL38715
32 Operating Instructions 07/2015