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    vacuum pump

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    Duet Hardware and wiring
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    • zikeltilundefined
      zikeltil
      last edited by

      Hello
      I am still new to 3D printing and am currently controlling two vacuum pumps via relays. I have connected the relays to OUT7 and OUT8 and tried to control them like a fan on DWC. So far without success. Am I using the wrong pins?

      Cheers
      Zikeltil

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      • Phaedruxundefined
        Phaedrux Moderator
        last edited by

        What gcode are you using the configure and control them?
        What firmware version?
        Do they function at all as fans now? Perhaps it would be best to switch them as io devices instead using M42

        Have you seen this?
        https://docs.duet3d.com/en/User_manual/Connecting_hardware/IO_GPIO

        Z-Bot CoreXY Build | Thingiverse Profile

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