Direct Current Supply (Dc) - Siemens simatic ipc227e Operating Instructions Manual

7.4.5

Direct current supply (DC)

Technical specifications
Input voltage
Power consumption
Buffering upon power failure
Maximum continuous output power
Protection class
The power specifications apply to the power supply component not to the device.
1
Note
Inrush current
The requirements in accordance with NAMUR NE21, Section 4.5 are complied with. The
maximum inrush current does not exceed 4 A. Typical value with an input voltage of 24 V is
2 A for 25 ms. A 24 V power source with a limit current lower than 2.0 A is not permitted. A
voltage drop under 18.0 V during booting of the device is not permitted.
Typical power consumption
Basic device with Intel Celeron N2807
Basic device with Intel Celeron N2930
USB expansion
Expansion PCIe
SIMATIC IPC227E
Operating Instructions, 11/2016, A5E35782395-AB
24 VDC (19.2 to 28.8 VDC)
Max. 32 W
Hold-up time > 15 ms (after > 5 ms, DC_FAIL becomes
active)
27 W
1
Safety class I (A protective conductor must be connected
to the device)
Power consumption
(at 24 V rated voltage)
13 W
15 W
See section "Power requirements of the com-
ponents"
Technical specifications
7.4 Technical data
105