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System Components
Sicore II Installation and Commissioning Guide
667/HB/52600/000 Issue 2 Unrestricted
26
5.2.
Power Supply
The Sicore II Camera requires a 24V DC Supply within the limits as detailed in
The Sicore II camera consumes approximately 25W during operation.
Nominal Voltage
Minimum Voltage
Maximum Voltage
24V DC +10% -30%
Negative Earth
16.8V at the camera
26.4V at the camera
Table 6 – Power Supply Requirements
Siemens has tested and approved the following power supply modules:
Power Supply Model
Manufacturer
Rating
Type
Number of
Cameras
CLG-100-24
Meanwell
100W
IP67
1
SDS150PS24B-LC
XP Power
150W
Open Frame
2
Table 7 – Siemens Approved Power Supplies
These power supply modules require de-rating for use at elevated temperatures. The number
of cameras stated is over the full temperature range.
5.3.
Pole Mounted Power Supply Assembly
Siemens can supply a complete assembly designed to power a single Sicore II camera for
mounting in the base of a suitably sized pole, adjacent mains supply pillar or third party
cabinet.
The assembly comprises an IP65 rated 24V power supply, EMC filter, mains and DC
termination items with a cable clamp suitable for securing the Sicore main cable and
correctly terminating its screen.
Note that this assembly 667/1/46778/000 can only supply a single Sicore II camera.
Siemens can also supply a range of roadside cabinets for connection of multiple cameras or
inclusion of external communications equipment. Contact Siemens for information and
assistance using the contact details in Section 1.2.
To comply with EMC regulations it is necessary to use these power supplies
in combination with a Shaffner EMI Filter FN2020-10-06 or equivalent. The
Sicore II ‘Main cable’ screen must be securely terminated to the case of the
EMC filter / earth point of the power supply