Specifications
15.4 Device with DC voltage supply
SIMATIC Panel PC 677B
Operating Instructions, 05/2007, A5E01035609-01
171
15.4 Device with DC voltage supply
Specifications
Input voltage 24 V DC (20.4 to 28.8 V DC)
Input current Continuous current to 9 A (to 14 A for 30 ms at startup)
Power consumption Max. 140 W for 12" and 15" control unit
1)
Max. 163 W for devices with 17" and 19" control unit
1)
Power failure buffering 20 ms at nominal voltage
Maximum continuous output power 150 Watts
Degree of protection IP20 (in installed state)
Protection class VDE 0106
1)
15 W per PCI slot included
Output voltages
Voltage Max. current
+ 12 V 6.5 A peak 8 A
- 12 V 0.3 A
+ 5 V 16.5 A
1)
Peak 18.5 A
+ 3.3 V 8.5 A
1)
1)
The max. permitted accumulated power of the +5 V and + 3.3 V is 90 W.
Power Good Signal of the DC power supply
(LQJDQJVVSDQQXQJ
96HNXQG¦U
VSDQQXQJ
3RZHU*RRG6LJQDO
32:(5*22'
7
SUHVHWWLPH
PV
KROGXSWLPH
PVPLQLPXP
7
7
7
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