Power Supply (Dc) - Siemens SIMATIC Box PC 620 Manual

8.11 Power Supply (DC)

Technical Specifications
+ 12 V
– 12 V
+ 5 V
– 5 V
+ 3.3 V
+ 18 V (potential-free)
Voltage
Input voltage
Power consumption
Jumpering on power failure
Maximum continual power output
Degree of protection
Protection class
Certification
Power-Good-Signal
Power–Good–Signal:
T1:
T2:
T3:
Figure 8-12 Time Characteristics of the Power Good Signal
SIMATIC Box PC 620 Manual
C79000-G7076-C639-04
Voltage
1.7 A
0.2 A
10 A
0.1 A
4.2 A
0.08 A
T1
preset time 100 ... 500 ms
hold–up time 16,6 ms minimum
save time 1 ms mimimum
Max. Current
" 4 %
" 6 %
" 3 %
" 5 %
" 5 %
" 5 %
24 V DC
v 120 Watt
20 ms at nominal voltage
84 W
IP20 (when fitted)
VDE 0106
EN 60950/IEC 950, UL/cUL1950, UL/cUL508
T2 T3
Hardware Information
Voltage Stability
Input voltage
+5 V secondary
voltage
POWER GOOD
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