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3. Power requirements and the UPS module.
The Lidar operates from 24V DC +/- 10%. The supply voltage can sometimes be pulled down to be outside of this
range when the Lidar's thermal control system is working hard – so it's best to adjust the input voltage presented to
the UPS module to 25.5V no-load. This will allow the voltage to fall when under load. The Lidar input voltage will be
displayed on the 'Additional displays' tab as shown below. The LED will be red if the voltage level falls below 20.5V.
A suitable mains AC to 24V DC power supply unit is recommended for connection to the UPS module (suggestions
are shown on the next page). The output of the PSU be adjusted up to 25.5V DC. It will need to be housed in an
enclosure of suitable IP rating, and have both mains and 24V cable that is safe for use in the working environment.
The Lidar will ship with an optional UPS module that has the correct connections for input to the Lidar. The Lidar
software (when running) will measure the input voltage to the UPS, and if a power cut happens, a warning message
will be displayed in the software tab area, that will warn that a power cut is detected, and show the time remaining until
the Lidar shuts down.
Note that the power cut protection is only active when the software is running and collecting data. The thermal
control circuit is not buffered against power cuts, and the UPS only provides buffered power for the Lidar. If the power
comes back on before the power cut voltage threshold is reached (or the shutdown timer reaches zero), the UPS will
switch back to the 24V main feed, and the system will carry on as normal without shutting down.
2-pin Bulgin Maxi
connector
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I/P Active LED –
illuminated when the unit
has input power.
O/P Active LED – when
lit, 24V is available at the
output connector.
Aux – 24V output.
Connect to the window
blower using the cable
provided.
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