Technical specifications 
  8.3 Current/power consumption and power supply 
SIMATIC IPC677E 
Operating Instructions, 04/2019, A5E45117996-AA 
113 
8.3  Current/power consumption and power supply 
8.3.1  Current/power consumption of the system components 
Maximum current values 
 
1, 2
2 
1 x 2.5" SATA HDD 
2
    0.6 V     
3 4
4
6 A 
 
4 A 
 
 
2 A 
0.1 A 
 
Maximum per PCIe slot  3 A  -  2 A  - 
Internal front interfaces for panel 
    2.41 A   
Individual currents (max. permis-
sible)  
 
 
 
 
  Base device includes motherboard, processor, memory, both fans, CF 
  Depends on the selected device configuration 
  2 × USB3.1 type C high current and 4 × USB3.1 low current. 
  The total power for individual PCI/PCIe slots cannot exceed 25 W. 
The total power for USB and PCI/PCIe slots cannot exceed 30 W. 
Typical power values 
Table 8- 1  IPC677E - two expansion slots 
Current consump-
tion 
230 V AC 
Current consump-
tion 
24 V DC 
Power consumption  
0.85 efficiency