Power Supply (Ac And Dc) - Siemens SIMATIC PC 670 Equipment Manual

Release 04/02
7.7

Power supply (AC and DC)

Technical Data
Voltage
+12 V
–12 V
+ 5 V
+3.3 V
Voltage
Input voltage
Power consumption
Stored energy time upon power failure
Maximum continual power output
Degree of protection
Protection class
Approvals
Power-Good-Signal
Power Good signal
T1:
T2:
T3:
Figure 7-11
Panel PC 670 Computing Unit, Equipment Manual
Max. current
2.5 A
0.3 A
13.5 A
8.5 A
T1
preset time 100 to 500 ms
hold-up time 16.6 ms minimum
save time 1 ms minimum
Time Characteristics of the Power Good Signal
Hardware Information
Voltage stability
" 4%
" 5%
" 3%
" 3%
120/230V AC +15%/–20%
24V DC +20%/–15%
v 132 Watt
20 ms at rated voltage
105 W
IP20 (when installed)
VDE 0106
EN 60950/IEC 950, UL/cUL1950, UL/cUL508
Input voltage
+5 V secondary voltage
POWER GOOD
T2 T3
7-37