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    Turn OUT1 to always on?

    Duet Hardware and wiring
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    • NightLonk42
      NightLonk42 last edited by

      Hello all!
      Duet 3 Mini5+ and Toolboard.
      I'm wanting to plug the power to the toolboard into out1 and have it always powered on. Is there a code I can add in the config file or should I be doing it a different way?

      Thanks!

      A Former User 1 Reply Last reply Reply Quote 0
      • A Former User
        A Former User @NightLonk42 last edited by A Former User

        This post is deleted!
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        • NightLonk42
          NightLonk42 @Guest last edited by

          @arnold_r_clark said in Turn OUT1 to always on?:

          M950 P0 C"out1" ; Create a GPIO pin to provide power to the toolboard M42 P0 S1 ; Turn that GPIO pin on at boot

          That worked perfectly! Thank you so much!

          dc42 1 Reply Last reply Reply Quote 0
          • dc42
            dc42 administrators @NightLonk42 last edited by

            @nightlonk42 we do not advise powering a tool board from an OUT port, because of the common-mode CAN voltage that would be applied when the tool board is powered off (which could disrupt CAN communication) and because of the current surge that will be drawn when you power up the tool board.

            The recommended approach is to power the tool board from the same PSU (typically 24V) that powers the Duet, through an inline 5A fuse if you are not using a tool distribution board. Here's an example of an inline fuse holder: https://www.ebay.co.uk/itm/262131520883.

            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

            NightLonk42 1 Reply Last reply Reply Quote 1
            • NightLonk42
              NightLonk42 @dc42 last edited by

              @dc42 said in Turn OUT1 to always on?:

              @nightlonk42 we do not advise powering a tool board from an OUT port, because of the common-mode CAN voltage that would be applied when the tool board is powered off (which could disrupt CAN communication) and because of the current surge that will be drawn when you power up the tool board.

              The recommended approach is to power the tool board from the same PSU (typically 24V) that powers the Duet, through an inline 5A fuse if you are not using a tool distribution board. Here's an example of an inline fuse holder: https://www.ebay.co.uk/itm/262131520883.

              Makes sense. I will do that instead. Thanks!

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