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    Issue with a M571 "Set output on extrude" Command

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    m571 set output on extrude gpio
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    • CptCrunchundefined
      CptCrunch
      last edited by

      Hello everyone.

      For a student project I'am trying to add a non extrusion tool to a multitool 3D-printer.
      To be pricise the new tool is a dispenser, to apply soldering paste.
      RepRap 3.3 (I know, out of date) on Duex5 v0.11

      I stumbled apon M571 and tryed to get it to work via an unused FAN output and GPIO.
      The lines are:

      M571 P"duex.fan8" S1.0
      M571 P"duex.gp1" S1.0

      None of these commands work how they should. Nothing happens and no error massage. However GPIO will switch on the signal, as soon as it hits the M571 line.
      What am I missing?

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      • Phaedruxundefined
        Phaedrux Moderator
        last edited by

        The notes on those pins says they can't control a laser. Which may mean won't work with M571.

        https://docs.duet3d.com/Duet3D_hardware/Duet_2_family/DueX2_and_DueX5#pin-names

        Can you test with a heater/pwm pin?

        Z-Bot CoreXY Build | Thingiverse Profile

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