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Hardware Information
7.1
Current Requirement of the Components (Maximum Values)
Basic System
Component
Pentium III motherboard
Processor Pentium III with fan
Floppy disk drive / LS 240
Hard drive
CD ROM drive
CD RW/DVD drive
Fan
Sum (basic configuration)
ISA/PCI slots (sum)
Front ports
Sum (maximum configuration)
Single lines of current (max.
permissible)
Total power consumption,
permissible
*1
Alternatively to 5V, the ISA/PCI slots with the same total power consumption can also be operated at 3.3V.
*2
The total power comsumption of the +5V and +3.3V voltages may not exceed 140 W.
7-2
+5V
+3.3V
+12V
1.3 A
4.8 A
0.2 A
5 A
2.7 A
0.2 A
0.6 A
0.3 A
0.5 A
0.7 A
0.9 A
0.8 A
0.2 A
8.1 A
7.5 A
1.0 A
10 A
*1
1.5 A
1.8 A
0.9 A
1.1 A
19.9 A
8.6 A
3.6 A
* 2
* 2
22 A
16 A
4.4 A
180W
Voltage
–5V
–12V
0.03 A
0 A
0.03 A
0.5 A
0.25 A
0.5 A
0.28 A
0.5 A
0.5 A
SIMATIC Box PC 840 Manual
A5E00085984-04
5Vaux
0.3 A
0.3 A
0.25 A
0.55 A
1 A
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