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pixhawk esc initializing problem

Posted by Goga on December 21, 2015 at 2:23pm

  hello there 

 i have question about ESC calibration on Pixhawk flight controller, when i calibrate esc from receiver it's calibrated and when i have unflaged battery and then plugged it's have off beeping it's means calibration successfully, but when i have reconnected ESC control cables to Pixhawk  ESC steel beeping i have calibration ESC from Pixhawk too but have no change it's steel (beep...beep...beep)  

need help to solution this problem.

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it's my quadcopter details: 

Pixhawk flight controller

T-Motor air gear 350

ESC AIR 20A with no bec (ESC have only 2 wire, and it's connected to Pixhawk ESC in port like 1 2 3 4 )

battery Multistar High Capacity 4S 5200mAh Multi-Rotor Lipo Battery.

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Tags: esc, pixhawk, calibration
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Replies

  • Andre K. December 22, 2015 at 10:44am

    most ESC's beep on PWM loss, some, are extra nagging, and beep of no PWM.

    Pixhawk does not output PWM until you hardware-arm it.

    • Goga > Andre K. December 22, 2015 at 11:08am

       Thank Andre for your answer you think it's normal? but i have seen many videos about Pixhawk Calibration and every Calibration process completion ending ESC beeps after battery was unplugged end plugged in. for example  it's one of this  https://www.youtube.com/watch?v=Hl-Q7RPOn18

      best regards.

      • Andre K. > Goga December 22, 2015 at 11:21am

        not sure if we are speaking about the same thing so: this is "normal"

        -When Pixhawk is NOT in calibration mode:

        -connect power

        -no beeping from motors  after an initial sound ESC's make.

        -arm, (ESC gets PWM)

        -then disarm 

        - now there is a "beep"  every 2-4 seconds from ESC's that lost PWM.

        - any behaviour can be programmed, also "no-beeping-ever" - for those who program SimonK or otehr open firmware to ESCs. 

        • Goga > Andre K. December 22, 2015 at 12:46pm

           my ESC beeping after i have connected battery it's voice like beep...beep...beep
          but i tested when i press Pixhawk safety switch button it have one beep and stop beeping end it's armed quadcopter.
          but when i calibrate esc from receiver it's calibrated and when i have unflaged battery and then plugged it's have off beeping it's means calibration successfully

          i have question how to tell Pixhawk flight controller that ESC is calibrated?

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