Siemens SINAMICS S120 Combi - Page 245

Cabinet design and EMC
13.6 24 V DC supply
SINAMICS S120 Combi
Manual, Edition 07/2012, 6SL3097-4AV00-0BP3
243
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Figure 13-1 Example of an external 24 V power supply
2. When a Control Supply Module is used, the 24 V supply can be directly established
through the busbars. The electronic current limiting function integrated in the Control
Supply Module protects the busbar system when a fault occurs. Additional loads can be
connected via the 24 V connector.
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Figure 13-2 Example of a 24 V supply with Control Supply Module
Note
When using cables with a cross-section of 2.5 mm
2
, no additional protection is required on
the 24 V side if a type XLPE or EPR cable, or a cable with a similar quality and with a
thermal stability of up to 90 °C is used.