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Changes for page Sensor Module

Last modified by Heimir Thordarson on 2026/07/05 12:56
From version 54.1
edited by Heimir Thordarson
on 2026/01/27 18:00
Change comment: There is no comment for this version
To version 56.1
edited by Heimir Thordarson
on 2026/02/09 19:48
Change comment: Uploaded new attachment "Oil_Temp_schematic.png", version {1}

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5 5  Voltage divider Inputs = 2
6 6  3V3 Thermistor Inputs = 7
7 7  5V Pressure Inputs = 4
8 +Communication Protocol = CAN FD
9 +Max Data rate = 1 Mbps
10 +
8 8  {{/wikibox}}
9 9  
10 10  = Table of Contents =
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25 25  
26 26  In the following section, how the sensor module is connected will be covered. The connector for the sensor module is a [[High-Density d'sub-44>>https://www.te.com/en/product-2311770-1.html]] which is directly solderen onto the circuit board. The plug needed for this system is the [[204517-3>>doc:Sandbox.TestPage3]], which uses crimps instead of solder cups which is common for the dsub connectors
27 27  
28 -[[image:AR26_ASM pinout.png||height="214" width="457"]]
31 +[[image:AR26_ASM pinout.png||height="287" width="616"]]
29 29  
30 30  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.
31 31  
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158 158  
159 159  The sensors output latency can be expected to be a lot shorter than the air temperature sensor as the sensor is just a variable sensor based on placement. The limiting factor for the system which uses this information is the CAN-BUS messages from the inverters which send the information each 6.25 milliseconds. This means that the cut-off frequency cannot be any lower than 160 Hz, which will make the same type of low pass filter from the air temperature sensor acceptable with a cut-off frequency of 1591 Hz.
160 160  
161 -== Cooling Sensors ==
164 +== Gearbox Temperature Sensor ==
162 162  
163 -The cooling sensors for the AR26 can is the
166 +The gearbox Temperature Sensor for AR26 will be the [[GAG10K3976B1>>https://www.te.com/en/product-GAG10K3976B1.html]], a NTC temperature probe which will be installed into a generic M5 bolt which is mounted on the upright in the wheel assembly. The thermistor will be connected in a voltage divider configuration where the thermistor is in the lower position so that the voltage lowers when the temperature increases.
167 +
168 +
Oil_Temp_schematic.png
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