System power and data communication
Page 62 OmniTrax Product Guide
Network power
An OmniTrax system with multiple processors distributed around a perimeter can be powered by
one or more 48 VDC network power supplies. Network power can be routed around the perimeter
in a single direction, or redundantly, depending on the site requirements.
• network power - a centrally located 48 VDC network power supply provides power for each
processor
• a 48 VDC power supply can be connected to one or two processors, and the power can be
carried around the perimeter to the other processors via the sensor cables
• power cables can be daisy-chained from a 48 VDC power supply to each processor
• the 48 VDC power supply can be powered from a large capacity UPS to provide back-up
power for all processors
• each processor supports the addition of an optional 6 VDC, 5 Ah (nominal) battery for
local backup power
• a processor receiving 48 VDC network power can supply 12 VDC @ 150 mA power to an
auxiliary device by installing an optional auxiliary power module
General system powering rules (network power)
A single 48 VDC network power supply can power up to five OmniTrax processors.
• the network power supply must be connected to the middle processor with two processors on
each side
• the sensor cables must be connected using network decouplers, which pass power and data
• if more than five processors are required for the system, a second block of up to five
processors can be connected to the first block using standalone decouplers, which block
power while passing data
Power supply options
There are two power supply options available from Senstar for the OmniTrax system:
• C7EM0503 - 12 VDC power supply mounted on a steel baseplate with no enclosure for a
standalone, single processor application
The power supply provides a regulated 12 VDC, 80 W output. It operates on 115/230 VAC,
60/50 Hz input.
• A4EM0200 - a 48 VDC network power supply (for up to 5 processors)
The network power supply provides a regulated 48 VDC, 100 W maximum output. It operates
on 115/230 VAC, 60/50 Hz input. The 48 VDC supply comes in a lockable CSA type 4
weatherproof enclosure (see Figure 143:
).
Battery power
Each OmniTrax processor supports the addition of an optional 6 VDC gel-cell battery, which
mounts inside a bracket on the enclosure door. The processor includes an intelligent charging
circuit, that when enabled, keeps the battery fully charged. If the optional battery is installed and
enabled, the processor automatically switches to battery power on the loss of the DC power input.
Note Processors being powered over the sensor cables must use network
decouplers.
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