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Cat 299D DX200752 Cruise control addon

AO299D · 2019-11-14 13:04

Hello would anyone have an idea how i could add a chip to manipulate the 1 axes of the drive joystick? i checked with my meter and the signal wire has 1.0 to 3.9 volts when i move joystick back and forth so i bought a variable volt chip thinking that should work good to hook that in but it just makes a joystick axis current below normal alarm. i use this machine to creep long distances

Replies6
  1. #1Nige2019-11-14 13:33

    Your joystick position sensors are of the PWM type, not variable voltage. To McGiver the signals from them would require an oscilloscope or a similar type of square-wave signal generator AFAIK. How (and where) are you measuring the 1.0-3.9V..? See this thread ..... HeavyEquipmentForums

  2. #2AO299D2019-11-14 18:21

    Thanks for your quick response do u think this baord would work? I measured that that from the ground to the signal wire https://www.amazon.ca/Yosoo-Control..._1_10?keywords=pwm+out&qid=1573773291&sr=8-10

  3. #3Mark2502019-11-14 21:56

    The frequency of the unit needs to operate at 500hz other wise a service code CID 2474will be logged

  4. #4AO299D2019-11-15 08:31

    Are the "on" volts critical too?

  5. #5Nige2019-11-15 10:01

    I would say yes, because all the sensors are powered by a stabilized voltage from the ECM, and it’s not machine system voltage.

  6. #6Nige2019-11-15 12:42

    I take that back. The joysticks are fed with machine power from the key switch.