Specifications

Mobility and Logistics, Traffic Solutions
Sopers Lane, Poole, Dorset, BH17 7ER
Security classification Unrestricted Page 37 of 83
Version 2 Status Released
Last Editor Harry Smyth Date 09/12/2014
Document Name Configuration Control Document No. 667/CC/45950/000
Copyright © Mobility 2014. All Rights Reserved. Mobility is a division of Siemens Plc
3.12 Loop Detector and Ancillary Power
Detector Power General
With reference to Figure 31 an additional mounting panel is provided on the left hand side of
the ST950 controller. This mounting panel will be utilised for mounting 48V (160VA) Wait
Drive Kits, 48V (50VA) Wait Drive Kits, 24V (160VA) Supply Kits and Audible Supply Kits.
3.12.1 Power Supply Kit 24V (160VA)
All detectors will be powered from 24v (160VA) Supply kit. With reference to Figure 31 the
transformer, part of the 24V (160VA) Supply Kit, will be mounted to position 13. The rectifier
and terminal block will be mounted on the left hand side of the left hand mounting plate.
Figure 31 also shows the sequence in which additional 24V (160VA). Supply Kits will be
positioned. Additional reference should be made to drawing 667/GA/27067/000. The first
position to be utilised should be position 13, followed by position 14 and 15 etc.
The transformer supplied in the kit will be configured with conventional mains leads. Main
input for the Supply Kit should be obtained from the Mains Switch Assembly, as described
on drawing 667/GA/20292/008. The output voltage from the Supply Kit should be connected
to the Intelligent Detector Backplane as shown in paragraph 7 of this document and drawing
667/GA/20292/008.
3.12.2 Power Supply Kit 48V (50VA)
The 48V (50VA) may be specified to provide power to Wait Drives. The rectifier and terminal
block will be mounted on the left hand side of the left hand mounting plate. Figure 31 shows
the sequence in which additional 48V (50VA) Supply Kits will be positioned. Main input for
the Supply Kit should be obtained from the Mains Switch Assembly. Additional reference
should be made to drawing 667/GA/27067/000. The first position to be utilised should be
position 4, followed by position 5 and 6 etc. The position of the 48V (50VA) transformers
should be optimised while also optimising the position of the 48V (160VA).
3.12.3 Power Supply Kit 48V (160VA)
The 48V (160VA) may be specified to provide power to Wait Drives. The rectifier and
terminal block will be mounted on the left hand side of the left hand mounting plate. Figure
31 show the sequence in which additional 48V (160VA) Supply Kits will be positioned. Main
input for the Supply Kit should be obtained from the Mains Switch Assembly. Additional
reference should be made to drawing 667/GA/27067/000. The first position to be utilised
should be position 1, followed by position 2 and 3 etc. The position of the 48V (160VA)
transformers should be optimised while also optimising the position of the 48V (50VA).