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Technical specifications
14.3 Integrated DC power supply
14.3
Integrated DC power supply
Technical specifications
Input voltage
Power consumption 1)
Power failure buffering
Maximum continuous output power 1)
Degree of protection
Protection class
1) The performance specifications apply to the power supply components and the IPC427C device.
Note
Inrush current
A minimum of 4.5 A inrush current for 15 ms is required for starting the IPC427C.
The peak value of the startup current depends on the input voltage and the impedance of the
24V source: Peak values of more than 4.5 A are possible. This will not inhibit the operation
of the IPC427C.
Typical power consumption
Base device with Celeron or
Core 2 Solo processor
Base device with Core 2 Duo
processor
Fieldbus (Profibus or Profinet)
2.5" hard disk
Expansion USB 1)
Expansion PCI-104 1)
1) The total load for PCI-104 and USB expansion is max. 15W.
96
24 VDC (19.2 to 28.8 VDC)
max. 72 W
Hold-up time > 15 ms
(after > 5 ms DC_FAIL becomes active)
60 W
IP 20
Safety class I (A protective conductor must be
connected to the device)
Current consumption
550 mA
750 mA
120 mA
100 mA
max. 500 mA
max. 460 mA
Operating Instructions, 04/2009, A5E02414743-01
Power consumption
(at 24 V rated voltage)
13 W
18 W
3 W
2 W
max. 12 W
max. 11 W
SIMATIC IPC427C
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