AutoGRAPH-GSM • USER MANUAL
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TechnoKom © 2015
Before making any connections study the manuals for fuel level sensors supplied by the sensor
manufacturers. Pay attention to the supply voltage range of the sensors and peculiarities of
their configuration. Some sensors require external supply voltage stabilization. If you have
any doubts on making connections or configuration, consult the representative of the sensor
manufacturer or your regional TechnoKom dealer.
IMPORTANT
Connection of Fuel Level Sensors to RS-485 Bus
+V sensor
+V sensor
+V sensor
RS-485-1 «B» (17)
BROWN with WHITE STRIPE
RS-485-1 «A» (20)
ORANGE with WHITE STRIPE
Currently, the AutoGRAPH-GSM controller supports interaction with any fuel level sensors
with an RS-485 interface which use LLS protocol. The following is an example of connection
the TKLS fuel level sensors, designed by TechnoKom Ltd, to the tracker.
RS-485 Bus of the controller has to be customized to interact with fuel level sensors. It can be
performed by means of the GSMConf configuration program and control commands via the data
server or a SMS.
i
NOTE