24V Psu - Siemens ST950 Plus+ User Manual

ST950 Plus+ User Manual

24V PSU

The 24V PSU is a DIN rail mounted 100W device. The 24V PSU is used to provide the supply for the
ST950 CPU and the logic supply for the CIC(s). In addition, the 24VPSU is used to provide power
to auxiliary equipment such as I/O cards, including the IDB.
The 24V PSU has 1A spare capacity
following:
Number of I/O Cards
1
1
3.5.1 Parts
Replacement 24V PSU 605/4/08717/000
48V PSU
The 48V (480W) DIN rail mounted PSUs distribute the 48V supply to the Nodes via a redundancy
module and subsequently the CIC/CTB PCBs.
6 Spare capacity is calculated after considering 3 CIC, CPU, 1 I/O.
With IDB
7
With 1 Access Point.
8
ST950 Plus+ User Manual
and is rated such that it can provide sufficient power for the
6
Number of SLD4
24
12
Table 2 : 24V PSU Capacity for Aux Equipment
Figure 16 : 48V 480W Node PSU
Page 33 of 176
667/HE/53000/000
Number of WiMag Loop
7
Detector
cards
8
0
2
Replacement
Issue 2
Unrestricted