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    CNC/Laser: M3 unpause R parameter

    Firmware wishlist
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    • resam
      resam last edited by resam

      As I couldn't find any information about this, I'll put this topic into the wishlist:

      When using CNC or Laser mode, M3 S123 turns on the spindle/laser with a rpm-seep/intensity of 123.
      However, after pausing with M226, I' like to turn off the laser, otherwise I'll leave a big long burned line while the head travels to its parking position.

      G1 already has the R parameter to return to the last coordinates when unpausing.
      M106 also has an R parameter to spin up the fan to its last power setting.

      So it would be reasonable to add an R parameter to M3 that restores the last set spindle-rpm or laser intensity.

      Edit:
      This probably also affects tool changes and related parts in the firmware. Spindle speeds & direction and laser PWM.

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      • dc42
        dc42 administrators last edited by

        That sounds very sensible. I have added it to the firmware work list.

        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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