Technical data
14.2 Power requirements of components (maximum values)
SIMATIC Rack PC 840 V2
Operating Instructions, Edition 05/2006, A5E00248055-04
14-5
3
When using a CD-RW drive, the device should always be free of mechanical disturbances
while burning.
4
Optional product feature.
14.2
14.2
Power requirements of components (maximum values)
Standard system
Voltage
Components
+5 V
+3.3 V +12 V -5 V
-12 V
5 Vaux
Motherboard
3 A
1 A
0.2 A
0.03 A 0.3 A
Desktop processor with fan
0 A
0 A
7 A
Mobile processor with fan
0 A
0 A
3.5 A
Floppy disk drive
1
0.25 A
Hard disk drive EIDE / SATA
1
0,5 A
0.7 A
Hard disk drive SCSI
1
1 A
1.2 A
DVD-ROM
1
0.9 A
0.8 A
DVD-ROM/CD-RW
1
0.9 A
0.8 A
DVD burner
1.1 A
1.4 A
RAID controller
1
0,5 A
SCSI Controller
1
0.6 A
Ethernet Controller
1
0.3 A
Fan 1 front
0,5 A
Fan 2 front
0,5 A
Fan 3 rear
1
0.1 A
Single lines of current (max. permissible) 30 A
2
28 A
2
15 A
0,5 A
0,5 A
1.5 A
Total power consumption, permissible
210 W
Efficiency of the power supply
approx.
65 %
1
based on the selected device configuration
2
The permitted max. accumulated power of the + 5 V and + 3.3 V supply is 180 W.
