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ST950 Plus+ User Manual
ST950 Plus+ User Manual
Page 33 of 176
667/HE/53000/000
Issue 2
Unrestricted
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
6
and is rated such that it can provide sufficient power for the
following:
Number of I/O Cards
Number of SLD4
7
Number of WiMag Loop
Detector
Replacement
cards
8
1
24
0
1
12
2
Table 2 : 24V PSU Capacity for Aux Equipment
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.
Figure 16 : 48V 480W Node PSU
6
Spare capacity is calculated after considering 3 CIC, CPU, 1 I/O.
7
With IDB
8
With 1 Access Point.