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APM and Turnigy 9x PWM problem

Posted by Jamie Betts on October 13, 2014 at 12:40pm

OK....

So I have previously managed to set up the APM 2.6 with the 6 flight modes on a previous model but whilst trying to do it again i am drawing a blank.

No matter what I do the APM isnt sensing the PWM changes. I have tried using various channels on the receiver and on the APM although it says Channel 8 in mission planner.

I have tried the tutorials I have found on the websites and youtube which is how I did it last time but this time it isnt working.

quick summary of my settings

Receiver channel 6 to APM Input 8

Aux channel 5 changed to "gear"

Program Mix 1 :

State    ACT

Master GYR

Slave   FLP

Uprate (all values fail to affect PWM)

Dnrate (all values fail to affect PWM)

SW       NOR

Any help would be greatly appreciated..

Thanks Guys

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Replies

  • Will October 22, 2014 at 4:03pm

    I've spent some time getting the arduplane/APM 2.6 filght modes setup to be controllable from my 9xr (and other radios with 3 way switch) so I thought I might contribute to the forum so others might benefit.

    My goal was to allow for 6 flight mode settings based on the 2 and 3 way switch and a flight mix on the 9xr.

    I put the "manual" type modes and automated modes together in sets of 3, based on the 3 way. I also configured this so the "off" position would be "manual", thus negative numbers in the mix.

    Modes:

    1. AIL DIR OFF
      1. 3 way 0 - manual
      2. 3 way 1 - acro
      3. 3 way 2 - stabilize
    2. AIL DIR ON
      1. 3 way 0 - loiter
      2. 3 way 1 - "auto"
      3. 3 way 2 - Special mode: Auto tune





    Here is the implementation details:

    1. in limits: set range for channel 6 to -85 to 85 (I found this was important to set the precision of the PPM numbers, start here with calibration)
    2. Create a new mix for extra channel (I used channel 6)
      1. There is math behind this, in that I wanted the 3 way to contribute 3 settings within the range of the 2 way.
      2. add 3pos with value of -30 (weight of -30) 0 offset
      3. add aileron toggle of -50 (weight of -50) 0 offset
    3. Test your settings in mission planner, to verify the 6 modes are working. Also double check that the PPM numbers are safely between margins.
  • Will October 22, 2014 at 4:02pm

    http://www.rcgroups.com/forums/showthread.php?t=2267310

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