Description
2.5 Power supply of D425 and D435
2.5 Power supply of D425 and D435
External 24 V power supply
Power is supplied to the control unit by an external 24 V power supply (e.g., SITOP).
Table 2-2 Input voltage specification
Input voltage Typical power
consumption
Maximum power
consumption
Minimum input voltage 20,4 V 0.7 A 9.8 A
Nominal Input voltage 24 V 0.6 A 8.4 A
Maximum input voltage 28,8 V 0.5 A 7.0 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
Manual, 12.2004, 6AU1900-1AJ32-0BA0
2-5
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