2 power requirements of the components, Power requirements of the components – Siemens SIMATIC PANEL PC 877 User Manual
Page 178
Technical data
15.2 Power requirements of the components
SIMATIC Panel PC 877
15-8
Operating instructions, Release 07/2006, A5E00877780-01
15.2
15.2
Power requirements of the components
Standard system
Voltage
Components
+5 V
+3.3 V
+12 V
-5 V
-12 V
5 Vaux
Motherboard
1.3 A
4.8 A
0.2 A
0.03 A
0.3 A
Intel ® Pentium 4 Desktop or
Celeron processor with active heat
sink
5.8 A
Intel ® Pentium 4 Mobile processor
with active heat sink
7 A
Diskdrive
0.6 A
Hard disks-drive; 1 x 3.5''
0.3 A
0.5 A
DVD-ROM/CD-RW drive
0.9 A
0.8 A
Equipment fan
0.2 A
RAID controller
3)
0.5 A
ISA-PCI slots
1)
(total)
10 A
1.5 A
0.5 A
0.25 A
0.25 A
Front panel port
2.5 A
0.9 A
4.2 A
Individual currents (max.
permitted) on DC power supply
22 A
2)
16 A
2)
4.4 A
0.5 A
0.5 A
1 A
Individual currents (max.
permitted) on AC power supply
25 A
3)
10 A
3)
12.2 A
0.5 A
0.8 A
2 A
Permitted total power consumption
on DC power supply
180 W
Permitted total power consumption
on AC power supply
230 W
1) The ISA/PCI slots can be operated with the same power consumption on both 5 V and 3.3
V.
2) The max. permitted accumulated power of +5 V and + 3.3 V is 140 W.
3) The max. permitted accumulated power of +5 V and + 3.3 V is 155 W.