Gregs BigBox IDEX Titan Aero With Linear Rail

Discussion in 'Guides, Mods, and Upgrades' started by EASI3D, Sep 12, 2017.

  1. salscode

    salscode Member

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    I think your M106 lines would stay the same (or change very little). You will need to add a M950 line to define each fan. So in my case, this line defines fan #0 (F0) as the "fan0" header on the Duet (but you are free to define fan #0 as any fan header you like). Then M106 can reference fan #0 by specifying P0.
    Code:
    M950 F0 C"fan0"
     
  2. dc42

    dc42 Well-Known Member

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  3. AndyVirus

    AndyVirus Well-Known Member

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    Ok the below seems to work. Could you sanity check it incase I'm missing something?

    ; Fans
    M950 F0 C"fan0" Q10 ; create fan 0 on pin fan0 and set its frequency
    M106 P0 C"fan0" S0 H-1 ; set fan 0 value. Thermostatic control is turned off
    M950 F1 C"duex.fan3" Q500 ; create fan 1 on pin fan1 and set its frequency
    M106 P1 C"duex.fan3" S1 H1 T45 ; set fan 1 value. Thermostatic control is turned on
    M950 F2 C"fan1" Q10 ; create fan 2 on pin duex.fan3 and set its frequency
    M106 P2 C"fan1" S0 H-1 ; set fan 2 name and value. Thermostatic control is turned off
    M950 F3 C"fan2" Q500 ; create fan 3 on pin duex.fan4 and set its frequency
    M106 P3 C"fan2" S1 H2 T45 ; set fan 3 name and value. Thermostatic control is turned on
     
  4. dc42

    dc42 Well-Known Member

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    That config looks entirely plausible, but of course I don't know whether it is optimal for your system. I presume you have established that fans 0 and 1 need a very low (10Hz) PWM frequency.
     

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