Specifications

Hardware Information
7-37
SIMATIC Box PC 620 Manual
A5E00131465-01
7.8 Power Supply with 105W power output (AC and DC)
Technical Specifications
Voltage Max. Current Voltage Stability
+ 12 V 2.5 A " 4 %
– 12 V 0.3 A " 5 %
+ 5 V 13.5 A " 3 %
+ 3.3 V 8.5 A " 3 %
Power-Good-Signal
T1 T2 T3
Power–Good–Signal:
Input voltage
+5 V secondary
POWER GOOD
T1: preset time 100 ... 500 ms
T2: hold–up time 20 ms minimum
T3: save time 1 ms mimimum
voltage
Figure 7-12 Time Characteristics of the Power Good Signal