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- temperature
monitoring: outside and inside refrigerator;
- refrigerator
fuel tank monitoring;
- refrigerator
operation time;
- fuel level in
truck regular tanks;
- open-close
refrigerator doors;
- real time
truck location and parameters of movement;
- temperature
and fuel history.
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REFRIGERATOR TRAILER
MONITORING (TEMPERATURE AND FUEL)
"TRACTOR +
REFRIGERATOR SEMI TRAILER"
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"Tractor +Refrigerator
Semi Trailer" has as usual:
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one refrigerator compartment in Refrigerator
Semi Trailer;
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one refrigerator door in Refrigerator Semi
Trailer;
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one or three fuel tank in truck;
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one fuel tank in Refrigerator Semi Trailer;
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depth of fuel tank in Truck: about: 50cm...
70cm;
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depth of fuel tank in semi trailer: about:
50cm... 70cm;
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main voltage is 12V or 24V.
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In
truck (tractor) located the next main components::
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collect data from temperature sensors, door sensor
(door switch), fuel level sensors (multi fuel tanks
support), information
about refrigerator truck movements (speed,
acceleration deceleration), refrigerator truck location,
active driver and send
this information to monitoring station
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Only if need
monitor tractor regular fuel tank.
Fuel level sensors
can be: GuardMagic DLLS1a or GuardMagic DLLS1b
(as usual sensor
length is 500 ... 700mm)
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This cable is
intended for easy connection fuel level sensor
GuardMagic DLLS1 to main module. Cable length
can be from: 2 meters and up to 10 meters.
Cable made of oil,
fuel, water, UF resistance cable.
If necessary for
additional mechanical protection this cable be
mounted inside additional flexible plastic tube.
As usual length of
this cable is 5 meters or 7 meters.
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This cable is
intended for easy radial fuel level sensor
connection each other (only if need)
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Connector is
intended for connection spiral cable from fuel
trailer
(can be use
standard ISO connector tractor-trailer)
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For
electrical connection fuel trailer ("fuel bus" in
fuel trailer) to tractor |
In
refrigerator
trailer located the next main components:
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For temperature measurement.
Up to seven temperature sensors
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If need to monitor
refrigerator fuel tank.
For measurement
fuel level in refrigerator fuel tank
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Standard
car door sensor (door switch) allows to have
information about doors status (open/close) |
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Connector is
intended for connection spiral cable from
tractor
(can be use
standard ISO connector tractor-trailer)
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Wires in spiral cables :
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Power 12 or 24 Volts to temperature sensor and
fuel level sensor;
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GND;
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1-wire (temperature signal wire);
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EIA-485A (fuel
interface);
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EIA-485b (fuel
interface).
For extra functionality
will be add:
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