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Battery safety is important. The CPS5758 has a very high power density and needs to be treated with care. It is possible
to find lower cost alternatives but these are unlikely to include suitable fusing and ventilation and should not be used
After each transmission the Metron2 stays connected to the mobile phone network for 45 seconds providing time for
SMS messages to be received should they have been sent to reconfigure the unit.
USB cable needs to be spliced. Red = Positive (+), Black = Negative (-). Only use
very high quality supplies that can provide 500mA or greater. Cheap, non-genuine
versions commonly cause problems and damage to many products.
5 – 24V open frame or DIN
rail mount power supply
Double check polarity before powering on. Mains wiring must be carried out by
someone who is suitably qualified. High quality switch mode or linear supplies
should be acceptable.
6 – 24V lead acid battery
(trickle charged)
Extra care should be taken while wiring and a separate external fuse should always
be used.
Lead acid battery charged
from alternator
Often the charging method means that the supply will not be smooth (from an
alternator or generator for example) and can cause problems. A maximum of a 24V
system is allowed.
Only use Powelectrics supplied battery.
Not recommended. Do not use this method.
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