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14.2
Power requirements of components (maximum values)
Base system
Component
Motherboard
Dual-Core processor with heatsink
Core 2 Duo processor with heatsink
Front fan
Rear fan
Base system (dual core)
Floppy disk drive
HDD
DVD ROM
DVD Burner
Single currents (max. permissible)
Total power consumption, permissible
Efficiency of the power supply
based on the selected device configuration
1
The accumulated power of the + 5 V and + 3.3 V may not exceed 190 W.
2
SIMATIC Rack PC 847B
Operating Instructions, 06/2008, A5E02203168-01
1
1
1
1
14.2 Power requirements of components (maximum values)
Voltage
+5 V
+3.3 V
4 A
1 A
0 A
0 A
0 A
0 A
4 A
1 A
0.25 A
0.5 A
0.9 A
1.1 A
30 A
28 A
2
210 W
Approx. 70% (230 VAC) / approx. 65% (120 VAC)
+12 V
-5 V
-12 V
0.8 A
0.03 A
2.3 A
2.6 A
0.5 A
0.1 A
4 A
0 A
0.03 A
0.7 A
0.8 A
1.4 A
15 A
0.5 A
0.5 A
2
Technical data
5 Vaux
0.3 A
0.3 A
2 A
119
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