ME500-X
Trackunit ME500-X, Technical Manual v.1.1, January
2016 Page 15
Installation of the digital output
According to the E1 certificate of the ME500-X unit, it is prohibited under any
circumstances to use this output to control any equipment that may influence the safety of
the construction machinery and earth moving machines/vehicle operation and driving. The
output must only be used to control comfort equipment.
The example below shows a 12V relay function with a 12V DC supply voltage. It is also
possible to use a 24V relay with a 24V DC supply voltage etc. The current consumption of
the relay must not exceed 200 mA (DC current) and the relay contacts must be specified
to withstand the load that needs to be controlled.
NOTE: The output can only handle DC and not AC voltage. It is necessary to only use a
DC power supply for the relay.
Important!
The power supply connected to the ME500-X GSM/GPS unit and
the supply voltage for the relay mounted on the digital output
must have a common ground connection.
One application example for the “Usable contact function controlled by the ME500-X”
signals shown in the figure above could be a “Start Relay”, blocking function, for
preventing unauthorized use of the moving machinery and construction machine or vehicle
outside normal working hours etc.
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