Siemens SIMATIC Rack PC 840 - Current Requirement of the Components (Maximum Values)

Hardware Information
7-2
SIMATIC Rack PC 840 Manual
A5E00104826-03
7.1 Current Requirement of the Components (Maximum Values)
Basic System
Component Voltage
+5V +3,3V +12V –5V –12V 5Vaux
Pentium III motherboard 1.3 A 4.8 A 0.2 A 0.03 A 0.3 A
Prozessor Pentium III with fan 5 A 2.7 A 0.2 A
Floppy disk drive *
1
0.25 A
Hard drive EIDE *
1
0.5 A 0.4 A
Hard drive SCSI *
1
0.9 A 0.6 A
CD ROM drive*
1
0.9 A 0.8 A
CD RW drive*
1
0.9 A 0.8 A
Fan 1 front 0.2 A
Fan 2 front 0.2 A
Fan 3 rear *
1
0.1 A
Single lines of current (max.
permissible)
30 A
*2
20 A
*2
7 A 0.5 A 0.5 A 1.5 A
Total power consumption,
permissible
180 W
Power efficency of the AC and DC
power supply
approximately 65%
*1
Depending on the selected device configuration
*2
The total power comsumption of the +5V and +3.3V voltages may not exceed 160 W.