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    Fan speed during toolchange

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    • danzaywerundefined
      danzaywer
      last edited by danzaywer

      Hello everyone,
      I need help, is there a way to activate the tool fan 100% during the toolchange and bring it back to the value it had in the printing phase?
      I'm on firmware 3.01 RC9
      I could use objectmodels for something like

      ;in tfreeX.g
      M28 0:/sys/fan.g
      		M106 {object.fan.status}					
      M29
      

      and then

      ;in TpostX.g
      m98 p "fan.g"
      

      any suggestions?

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      • Danalundefined
        Danal
        last edited by

        It may be possible to do this without conditional g-code.

        Prior to invoking your tool change macros, the system does the equivalent of a "G60 S2". Therefore, you can do a M106 Px R2 (where x is the tool fan) to restore. This would go at the very end of tpostx.g

        Try this, I am not 100% sure it pushes the tool fan to the memory slot... but I seem to remember having done this with the print fan before.

        Delta / Kossel printer fanatic

        danzaywerundefined 1 Reply Last reply Reply Quote 1
        • dc42undefined
          dc42 administrators
          last edited by

          Try as @Danal suggested.

          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

          1 Reply Last reply Reply Quote 1
          • danzaywerundefined
            danzaywer @Danal
            last edited by

            @Danal
            thanks! it worked perfectly.

            1 Reply Last reply Reply Quote 1
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