Template:FMB1 Accessories: Difference between revisions
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! style="text-align: left; vertical-align: top;" | Digital thermometer DS1820 and TTJ100 connection to {{{model|FMB1YX}}} | ! style="text-align: left; vertical-align: top;" | Digital thermometer DS1820 and TTJ100 connection to {{{model|FMB1YX}}} | ||
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| style="text-align: left; vertical-align: top;" rowspan= | | style="text-align: left; vertical-align: top;" rowspan=5 | One of the realized features FMB1YX is 1-Wire® data protocol, which enables connection of thermometer (DS1820, DS18S20 and DS18B20) and I-Button DS1990A. | ||
| style="text-align: left; vertical-align: top;" | [[Image:Sch_fmb120_ds1820.png|400px|center]] | | style="text-align: left; vertical-align: top;" | [[Image:Sch_fmb120_ds1820.png|400px|center]] | ||
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| style="text-align: left; vertical-align: top;" | | | style="text-align: left; vertical-align: top;" | TTJ sensor pinout | ||
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| style="text-align: left; vertical-align: top;" | [[Image:Ttj_pinout.png|400px|center]] | |||
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! style="text-align: left; vertical-align: top;" | I-Button DS1990A connection to {{{model|FMB1YX}}} | ! style="text-align: left; vertical-align: top;" | I-Button DS1990A connection to {{{model|FMB1YX}}} | ||
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| style="text-align: left; vertical-align: top;" | | | style="text-align: left; vertical-align: top;" | [[Image:Sch_fmb125_ds1820.png|400px|center]] | ||
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! style="text-align: left; vertical-align: top;" | Fuel tank sensors | ! style="text-align: left; vertical-align: top;" | Fuel tank sensors | ||
Revision as of 07:52, 27 April 2018
| Accessory and its description | Accessory connection schematic |
|---|---|
| 1-Wire devices | Digital thermometer DS1820 and TTJ100 connection to FMB1YX |
| One of the realized features FMB1YX is 1-Wire® data protocol, which enables connection of thermometer (DS1820, DS18S20 and DS18B20) and I-Button DS1990A. |  |
| TTJ sensor pinout | |
 | |
| I-Button DS1990A connection to FMB1YX | |
 | |
| Fuel tank sensors | Fuel sensor connection to FMB1YX |
| A fuel tank level sensor exists in most cars, which shows the approximate fuel level in the driver’s indicator panel. It is possible to connect FMB1YX Analog input to it (if sensor returns analogue signal proportional to fuel level). After the connection to the tank fuel level sensor, calibration is needed. Calibration is needed because most fuel tank sensors are not linear. Calibration is performed by measuring voltage dependence on volume of fuel in tank. | Micro USB socket |
| Alarm buttons, door sensors etc. | Panic button connection to FMB1YX |
| Alarm buttons, door sensors, ignition, etc. return two states: high or low voltage. FMB1YX Digital inputs are used to read this information. | |
| In cases when sensor FMB1YX output signal is negative, an additional relay has to be installed to convert negative signal to positive. | Inverting relay connection |
| Immobilizer relay | Immobilizer relay |
| When connected as shown below, FMB1YX disables engine starter when output is ON. More details about relays can be found below. | |
| Relays | Automotive relay pinout |
| An ordinary automotive relay is used to invert input signal or to immobilize engine starter. Note, that they are available as 12 V or 24 V. |