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    duet smart effector

    Duet Hardware and wiring
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    • chris
      chris last edited by

      I was wondering if I need 3 endstops on my delta kossel or are they not needed as i assume the smart effector acts as a z probe?

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      • dc42
        dc42 administrators last edited by

        On a delta it's possible to use stall detection homing, but only if you follow homing by at least a 4-point auto calibration cycle (e.g. using the Smart Effector as Z probe). This is because stall detect homing is accurate to +/- 1 full step at best, and on a delta a full step may be up to 0.2mm. You can do the 4-point auto calibration at the end of the homeall.g file if you want, just use the same commands that you would put in bed.g - or just use G32 if you want to perform full auto calibration.

        Stall detect homing needs to be tuned, see https://duet3d.dozuki.com/Wiki/Stall_detection_and_sensorless_homing.

        A disadvantage of using stall detect homing is that if you want to use the resume-after-power-fail functionality, you won't be able to re-home accurately when the power is restored because the print on the bed prevents you from doing auto calibration.

        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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        • chris
          chris last edited by

          does the smart effector act as a z probe so could use it to probe bed as z min as home ?

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

            @chris said in duet smart effector:

            does the smart effector act as a z probe so could use it to probe bed as z min as home ?

            Yes, but you still need to home the 3 towers individually.

            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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