Description
2.6 Power supply of D445
2.6 Power supply of D445
External 24 V power supply
Power is supplied to this control unit by an external 24 V power supply (e.g., SITOP).
Table 2-3 Input voltage specification
Input voltage Typical power
consumption
Maximum power
consumption
Minimum input voltage 20,4 V 2.35 A 10.6 A
Nominal Input voltage 24 V 2.0 A 9.0 A
Maximum input voltage 28,8 V 1.67 A 7.5 A
Additional references
Recommended power supply units and tables for calculating power consumption for the
assembly with SINAMICS S120 modules can be found in the section on Control-Cabinet
Construction and EMC - Booksize in the SINAMICS S120 Booksize Power Units manual.
Note
A primary-side voltage dip for 20 ms must not cause the voltage on the secondary side
(24 V) to fall below the minimum permissible input voltage to the control unit.
D4xx
2-6 Manual, 12.2004, 6AU1900-1AJ32-0BA0
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