Siemens SIMATIC Rack PC 547B, Operating Instructions Manual

Page: 97 / 136

Specifications
13.2 Power requirements of components (maximum values)
SIMATIC Rack PC 547B
Operating Instructions, 12/2007, A5E01127519-02
97
13.2 Power requirements of components (maximum values)
Base system
Components Voltage
+5 V +3.3 V +12 V -12 V 5 Vaux
FSC D2156-S21 motherboard with
Processor and heat sink
5 A 0.8 A 12 A 0.01 A 0.5 A
Front fan 0.5 A
Disk drive 0.25 A
Base system 5.25 A 0.8 A 12.5 A 0.01 A 0.5 A
Expansions
Hard disk drive SATA 0.5 A 0.7 A
DVD-ROM 0.9 A 0.8 A
DVD burner 1.1 A 1.4 A
Single lines of current (max. permissible)
1
26 A 24 A 30 A 0.2 A 2 A
Total power consumption, permissible 200 W
Efficiency of the power supply Approx. 68% (230 V AC) / approx. 65% (115 V AC)
1
The max. permitted accumulated power of the +5 V and + 3.3 V is 190 W.
13.3 AC voltage supply
Output voltage
Voltage Max. current Voltage stability
+ 12 V 15 A +/- 5 %
+ 12 V 15 A +/- 5 %
- 12 V 0.2 A +/- 10 %
+ 5 V 26 A
1
+ 5 % / - 4 %
+ 3.3 V 24 A
1
+ 5 % / - 4 %
+ 5 V aux 2 A + 5 % / - 3 %
1
The accumulated power of the +5 V and + 3.3 V supply may not exceed 190 W
The maximum inrush current is for:
110 V AC: 25 A, 5 ms
230 V AC: 30 A, 5 ms