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NW KS | I have two honeywell sensors in use. They are honeywell RTP090LVNAA Hall Effect Rotary Position Sensor. 090 means that they are 90 degree total or 45 degree left 45 degree right sensors. If your wheels can turn sharper you might want one with a larger range. The concept is the same as the old potentiometer sensors but in a hall effect sensor there is no physical contact to wear out. If you can get it done, the best place to mount the sensor is directly over a pin that moves with the steering. In the photo below I brazed a small piece of steel rod to a bolt that turn with the wheel when they steer left or right. Depending on how your axle is configured you may or may not be able to do something similar. The magnet turns with the wheels and the sensor stays stationary. Another options is to have a separate housing and linkages but this adds complexity and the linkages can get bent or broken. This is what several other brands do for steering angle sensors rather than use and autosense like Trimble.
You have to change a TAP value to use a potentiometer sensor. There is also a calibration procedure that needs to be followed and you want your sensor setup so that when moving straight the sensors reads in the middle of it's range.
 (RTP honeywell (full).JPG)
 (20250504_134553 (full).jpg)
 (20250911_151636 (full).jpg)
Attachments
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 RTP honeywell (full).JPG (11KB - 25 downloads)
20250504_134553 (full).jpg (108KB - 26 downloads)
20250911_151636 (full).jpg (119KB - 24 downloads)
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using IMD-900 Autosense replacement kit PN: 57407-05 with CFX 750?
