Technical data
14.3 Current/power requirements of the device
SIMATIC HMI IPC677C
Operating Instructions, 04/2013, A5E02722710-04
181
14.3
Current/power requirements of the device
Maximum current values
Component
Voltage
+5 V
+3.3 V
+12 V
-12 V
Base device
1) 2)
8.5 A
2.3 A
0.7 A
0 A
Hard disk drive 1 x 3.5"
2)
0.6 A
0.5 A
Hard disk drives 2 x 2.5"
2)
1.2 A
DVD burner drive
2)
0.8 A
USB ports
3)
1.2 A
PCI/PCIexpress slots
3)
4 A
6 A
2 A
0.1 A
Internal front interfaces (on panel devices)
2.5 A
0.1 A
3.5 A
Individual currents (max. permissible)
4)
16.5 A
8.5 A
6.5 A
0.3 A
1)
Basis device contains motherboard, processor, memory, both fans, CF
2)
Depends on the selected device configuration
3)
The maximum permitted accumulated power for the PCI and USB extensions is max. 30 W.
4)
The max. permitted accumulated power of the + 5 V and + 3.3 V voltages is 90 W.
Typical power values
Component
Current
consumption
(AC-SV, U=230V)
Current
consumption
(DC-SV, U=24V)
Power consumption
Base device
0.2 A
1.9 A
45 W
Hard disk drive 1 x 3.5"
0.04 A
0.38 A
9 W
Hard disk drives 2 x 2.5"
0.03 A
0.25 A
6 W
DVD burner drive
0.02 A
0.17 A
4 W
USB expansion
0.03 A max.
0.29 A
Max. 7 W
PCI-/PCIexpress expansion
0.16 A max.
1.54 A max.
Max. 37 W
Internal front interface (on panel
devices)
0.23 A max.
2.21 A max.
Max. 53 W
14.4
AC voltage supply
Technical data
Degree of protection
IP20 (in installed state)
Protection class
VDE 0106
