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    M106 - Feature Request, Limit MAX PWM parameter

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    • gen2engundefined
      gen2eng
      last edited by

      It would be nice to have a M106 parameter similar to L that would limit the maximum PWM value for a fan.

      Usage:

      • I was brain dead and discovered 2 hours into a 12 hour print that I really don't want to run my fan as hard as it is to minimize heat rise in the motor. A quick command in the console saves the day to cap the maximum value.
      • Fan needs to be limited in an office environment with several newbies who are learning. Once again, brushed layer fan only wants to be run at 80% for extended period to times to reduce heat.
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      • dc42undefined
        dc42 administrators
        last edited by

        You can define the layer fan speeds in the slicer. Isn't that sufficient?

        Duet WiFi hardware designer and firmware engineer
        Please do not ask me for Duet support via PM or email, use the forum
        http://www.escher3d.com, https://miscsolutions.wordpress.com

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        • gen2engundefined
          gen2eng
          last edited by

          Yes, and limiting the max PWM is to mistake proof and protect against damage.

          It would be more applicable to brushed motors than brushless motors

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          • dc42undefined
            dc42 administrators
            last edited by

            I have added this to the firmware wish list, however it will be low priority unless more users want it.

            Duet WiFi hardware designer and firmware engineer
            Please do not ask me for Duet support via PM or email, use the forum
            http://www.escher3d.com, https://miscsolutions.wordpress.com

            gen2engundefined wilrikerundefined 2 Replies Last reply Reply Quote 0
            • gen2engundefined
              gen2eng @dc42
              last edited by

              @dc42 Thank you!

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              • wilrikerundefined
                wilriker @dc42
                last edited by

                @dc42 So here is another user (me) M106 Maximum Fan Speed Setting - that just missed this thread. 😉

                Manuel
                Duet 3 6HC (v0.6) with RPi 4B on a custom Cartesian
                with probably always latest firmware/DWC (incl. betas or self-compiled)
                My Tool Collection

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