Changes for page Sensor Module
Last modified by Heimir Thordarson on 2026/07/05 12:56
From version 17.2
edited by Heimir Thordarson
on 2026/01/22 12:45
on 2026/01/22 12:45
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To version 12.7
edited by Mads Pedersen
on 2026/01/21 14:37
on 2026/01/21 14:37
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... ... @@ -1,4 +1,4 @@ 1 -{{wikibox title="Sensor Module" image="https://wiki.alignracing.no/bin/download/Electrical/Sensor%20Module/WebHome/ASM_AR26.png?rev=1.1" caption="3D model of the Sensor Module from Altium Designer" width="2 5" labelWidth="50"}}1 +{{wikibox title="Sensor Module" image="https://wiki.alignracing.no/bin/download/Electrical/Sensor%20Module/WebHome/ASM_AR26.png?rev=1.1" caption="3D model of the Sensor Module from Altium Designer" width="22" labelWidth="50"}} 2 2 Voltage = 4.5V - 40V 3 3 Fuse Current = 125mA 4 4 Sensor Inputs = 13 ... ... @@ -20,66 +20,32 @@ 20 20 In the figure above, the pinout shows how the pins are divided. Each box shows which pins belong together for each usecase, where the red box is the power input. Yellow boxes are for each canbus network, while the green box is for each sensor used in AR26. 21 21 22 22 23 -(% style="width:1058.6px" %) 24 -|=(% style="width: 71px;" %)Pin Number|=(% style="width: 164px;" %)Pin Name|=(% style="width: 124px;" %)Type|=(% style="width: 70px;" %)((( 25 -Pin 26 -Number 27 -)))|=(% style="width: 218px;" %)Pin name|=(% style="width: 58px;" %)((( 28 -Type 29 -)))|=(% style="width: 32px;" %)Pin Number|=(% style="width: 192px;" %)Pin Name|=(% style="width: 90px;" %)Pin Type 30 -|(% style="width:71px" %)((( 23 +(% style="width:432px" %) 24 +|=(% style="width: 97px;" %)Pin Number|=(% style="width: 216px;" %)Pin Name|=(% style="width: 116px;" %)Type 25 +|(% style="width:97px" %)((( 31 31 1 32 -)))|(% style="width:164px" %)Air Temperature|(% style="width:124px" %)Analog (0-3.3V)|(% style="width:70px" %)16|(% style="width:218px" %)Air Temperature|(% style="width:58px" %)GND|(% style="width:32px" %)31|(% style="width:192px" %)Suspension Displacement Left|(% style="width:90px" %)GND 33 -|(% style="width:71px" %)2|(% style="width:164px" %)Suspension Displacement Left|(% style="width:124px" %)Analog (0-3.3V)|(% style="width:70px" %)17|(% style="width:218px" %)Suspension Displacement Left|(% style="width:58px" %)3V3|(% style="width:32px" %)32|(% style="width:192px" %)Suspension Displacement Right|(% style="width:90px" %)GND 34 -|(% style="width:71px" %)3|(% style="width:164px" %)Suspension Displacement Right|(% style="width:124px" %)Analog (0-3.3V)|(% style="width:70px" %)18|(% style="width:218px" %)Suspension Displacement Right|(% style="width:58px" %)((( 35 -3V3 36 -)))|(% style="width:32px" %)33|(% style="width:192px" %) |(% style="width:90px" %) 37 -|(% style="width:71px" %)4|(% style="width:164px" %)Oil Temperature Right|(% style="width:124px" %)Analog (0-3.3V)|(% style="width:70px" %)19|(% style="width:218px" %)Oil Temperature Right|(% style="width:58px" %)3V3|(% style="width:32px" %)34|(% style="width:192px" %) |(% style="width:90px" %) 38 -|(% style="width:71px" %)5|(% style="width:164px" %)Oil Temperature Left|(% style="width:124px" %)Analog (0-3.3V)|(% style="width:70px" %)20|(% style="width:218px" %)Oil Temperature Left|(% style="width:58px" %)3V3|(% style="width:32px" %)35|(% style="width:192px" %) |(% style="width:90px" %) 39 -|(% style="width:71px" %)6|(% style="width:164px" %)Cooling Temperature 4|(% style="width:124px" %)Analog (0-3.3V)|(% style="width:70px" %)21|(% style="width:218px" %)Cooling Sensor 4|(% style="width:58px" %)GND|(% style="width:32px" %)36|(% style="width:192px" %) |(% style="width:90px" %) 40 -|(% style="width:71px" %)7|(% style="width:164px" %)Cooling Pressure 4|(% style="width:124px" %)Analog (0-5V)|(% style="width:70px" %)22|(% style="width:218px" %)Cooling Sensor 4|(% style="width:58px" %)3V3|(% style="width:32px" %)37|(% style="width:192px" %) |(% style="width:90px" %) 41 -|(% style="width:71px" %)8|(% style="width:164px" %)Cooling Temperature 3|(% style="width:124px" %)Analog (0-3.3V)|(% style="width:70px" %)23|(% style="width:218px" %)((( 42 -Cooling Sensor 3 43 -)))|(% style="width:58px" %)GND|(% style="width:32px" %)38|(% style="width:192px" %) |(% style="width:90px" %) 44 -|(% style="width:71px" %)9|(% style="width:164px" %)Cooling Pressure 3|(% style="width:124px" %)Analog (0-5V)|(% style="width:70px" %)24|(% style="width:218px" %)((( 45 -Cooling Sensor 3 46 -)))|(% style="width:58px" %)3V3|(% style="width:32px" %)39|(% style="width:192px" %) |(% style="width:90px" %) 47 -|(% style="width:71px" %)10|(% style="width:164px" %)Cooling Temperature 2|(% style="width:124px" %)Analog (0-3.3V)|(% style="width:70px" %)25|(% style="width:218px" %)Cooling Sensor 2|(% style="width:58px" %)GND|(% style="width:32px" %)40|(% style="width:192px" %) |(% style="width:90px" %) 48 -|(% style="width:71px" %)11|(% style="width:164px" %)Cooling Pressure 2|(% style="width:124px" %)Analog (0-5V)|(% style="width:70px" %)26|(% style="width:218px" %)Cooling Sensor 2|(% style="width:58px" %)3V3|(% style="width:32px" %)41|(% style="width:192px" %) |(% style="width:90px" %) 49 -|(% style="width:71px" %)12|(% style="width:164px" %)Cooling Temperature 1|(% style="width:124px" %)Analog (0-3.3V)|(% style="width:70px" %)27|(% style="width:218px" %)Cooling Sensor 1|(% style="width:58px" %)GND|(% style="width:32px" %)42|(% style="width:192px" %) |(% style="width:90px" %) 50 -|(% style="width:71px" %)13|(% style="width:164px" %)Cooling Pressure 1|(% style="width:124px" %)Analog (0-5V)|(% style="width:70px" %)28|(% style="width:218px" %)((( 51 -Cooling Sensor 1 52 -)))|(% style="width:58px" %)3V3|(% style="width:32px" %)43|(% style="width:192px" %)Main Power|(% style="width:90px" %)GND 53 -|(% style="width:71px" %)14|(% style="width:164px" %)CAN High 1|(% style="width:124px" %)CAN|(% style="width:70px" %)29|(% style="width:218px" %)CAN Low 2|(% style="width:58px" %)CAN|(% style="width:32px" %)44|(% style="width:192px" %)Main Power|(% style="width:90px" %)+24V 54 -|(% style="width:71px" %)15|(% style="width:164px" %)CAN Low 1|(% style="width:124px" %)CAN|(% style="width:70px" %)30|(% style="width:218px" %)CAN High 2|(% style="width:58px" %)CAN|(% style="width:32px" %) |(% style="width:192px" %) |(% style="width:90px" %) 27 +)))|(% style="width:216px" %)Air Temperature|(% style="width:116px" %)Analog (0-3.3V) 28 +|(% style="width:97px" %)2|(% style="width:216px" %)Suspension Displacement Left|(% style="width:116px" %)Analog (0-3.3V) 29 +|(% style="width:97px" %)3|(% style="width:216px" %)Suspension Displacement Right|(% style="width:116px" %)Analog (0-3.3V) 30 +|(% style="width:97px" %)4|(% style="width:216px" %)Oil Temperature Right|(% style="width:116px" %)Analog (0-3.3V) 31 +|(% style="width:97px" %)5|(% style="width:216px" %)Oil Temperature Left|(% style="width:116px" %)Analog (0-3.3V) 32 +|(% style="width:97px" %)6|(% style="width:216px" %)Cooling Temperature 4|(% style="width:116px" %)Analog (0-3.3V) 33 +|(% style="width:97px" %)7|(% style="width:216px" %)Cooling Pressure 4|(% style="width:116px" %)Analog (0-5V) 34 +|(% style="width:97px" %)8|(% style="width:216px" %)Cooling Temperature 3|(% style="width:116px" %)Analog (0-3.3V) 35 +|(% style="width:97px" %)9|(% style="width:216px" %)Cooling Pressure 3|(% style="width:116px" %)Analog (0-5V) 36 +|(% style="width:97px" %)10|(% style="width:216px" %)Cooling Temperature 2|(% style="width:116px" %)Analog (0-3.3V) 37 +|(% style="width:97px" %)11|(% style="width:216px" %)Cooling Pressure 2|(% style="width:116px" %)Analog (0-5V) 38 +|(% style="width:97px" %)12|(% style="width:216px" %)Cooling Temperature 1|(% style="width:116px" %)Analog (0-3.3V) 39 +|(% style="width:97px" %)13|(% style="width:216px" %)Cooling Pressure 1|(% style="width:116px" %)Analog (0-5V) 40 +|(% style="width:97px" %)14|(% style="width:216px" %)CAN High 1|(% style="width:116px" %)CAN-BUS 41 +|(% style="width:97px" %)15|(% style="width:216px" %)CAN Low 1|(% style="width:116px" %)CAN-BUS 55 55 56 56 57 57 58 58 == Typical Application == 59 59 60 -This section will cover the sensors which will be used for AR26 and how the sensor module is designed to accomodate them. 61 - 62 -=== Air Temperature Sensor === 63 - 64 -The air temperature sensor will be used to have a dynamic reference setpoint for the cooling system. This could reduce the current draw from the low voltage system compared to having a fixed reference point. This is because the regulator will not try to cool the water to a temperature lower than the ambient temperature. The sensor works as a resistor which varies depending on its temperature. Where in this case, the resistance lowers when the temperature increases (NTC). To make the microcontroller able to measure the changes in resistance, the thermistor is put into a voltage divider circuit. 65 - 66 -[[image:circuit with marks.png||height="195" width="465"]] 67 - 68 -(% class="wikigeneratedid" %) 69 -As shown in the figure above, the thermistor is put into a voltage divider circuit with a 4k7 ohm resistor to convert the resistance changes of the thermistor 70 - 71 -=== Suspension Displacement Sensor === 72 - 73 -=== Oil Temperature Sensor === 74 - 75 -=== Cooling Sensor === 76 - 77 77 = Design = 78 78 79 -== Schematics == 80 - 81 -== Mechanical == 82 - 83 83 == Bill of Materials == 84 84 85 85 = Cost =
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