MTB100 Accessories

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Main Page > EOL Products > MTB100 > MTB100 Manual > MTB100 Accessories
Bw nb.png Please order accessories separately as they are not included into device package.
Accessory and its description Accessory connection schematic
Fuel tank sensors Fuel sensor connection to MTB100
A fuel tank level sensor that indicates the approximate fuel level on the driver's indicator panel exists in most cars. If the sensor returns an analog signal proportional to fuel level it can be connected to MTB100 Analog input. After connection to the tank fuel level sensor, a calibration is needed because most fuel tank sensors are not linear. Calibration is performed by measuring voltage values resulting from the volume of fuel in the tank.
Sch fmb1yx lls.png
Alarm buttons, door sensors etc. Panic button connection to MTB100
Alarm buttons, door sensors, ignition, etc. have two output states: high or low. MTB100 Digital inputs are used to detect these states.
Sch fmb1yx panic.png
Relays Inverting relay connection to MTB100
In cases when the sensor output signal is negative, an additional relay has to be installed to convert the negative signal to positive.
Sch fmb1yx inv relay.png
Immobilizer relay Immobilizer relay connection to MTB100 output
When connected as shown on the right hand side, MTB100 disables engine starter when output is ON.
Sch fmb1yx imb relay.png
Automotive relay Automotive relay pinout
An ordinary automotive relay is used to invert input signal or to immobilize engine starter. Note that relays can be 12 V or 24 V capable.
Pic relay.png
Sch ord relay.png