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Siemens ST950 - Page 81

Siemens ST950
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Mobility, Intelligent Traffic Systems
Sopers Lane, Poole, Dorset, BH17 7ER
Security classification
Unrestricted
Page
81 of 154
Version
7
Status
Issued
Last Editor
manpreet.jeerh
Date
January 2020
Document Name
ST950 ICM Handbook
Document No.
667/HE/45950/000
Figure 44 50VA Detector Extension Kit installed
The detector power kits are mounted within the cabinet above the HPU units on the
left hand side of the controller cabinet. Mains power is derived from the master
control switch panel. The rectified DC supply is generated by a bridge rectifier which
is also mounted to the cabinet.
The output of the supply is available at a terminal block to the right of the
transformer. This is labelled as shown below:

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