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    NPN probe (PL08N) - high deviation

    Duet Hardware and wiring
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    • Muggaundefined
      Mugga
      last edited by

      Hey guys,

      I have trouble with my inductive probe. The deviation is quite high and I don't really know how to fix this issue. Here is a test I've done:
      8.4.2019, 00:42:46: M98 P"0:/macros/Probe_Scripts/repeatability_test.g": Stopped at height 3.470 mm
      8.4.2019, 00:42:49: : Stopped at height 3.690 mm
      8.4.2019, 00:42:53: : Stopped at height 3.735 mm
      8.4.2019, 00:42:57: : Stopped at height 3.735 mm
      8.4.2019, 00:43:00: : Stopped at height 3.730 mm
      8.4.2019, 00:43:04: : Stopped at height 3.733 mm
      8.4.2019, 00:43:08: : Stopped at height 3.747 mm
      8.4.2019, 00:43:11: : Stopped at height 3.733 mm
      8.4.2019, 00:43:15: : Stopped at height 3.753 mm
      8.4.2019, 00:43:19: : Stopped at height 3.745 mm
      8.4.2019, 00:43:22: : Stopped at height 3.730 mm
      8.4.2019, 00:43:26: : Stopped at height 3.730 mm
      8.4.2019, 00:43:29: : Stopped at height 3.730 mm
      8.4.2019, 00:43:33: : Stopped at height 3.753 mm
      8.4.2019, 00:43:37: : Stopped at height 3.693 mm
      8.4.2019, 00:43:40: : Stopped at height 3.693 mm
      8.4.2019, 00:43:44: : Stopped at height 3.695 mm
      8.4.2019, 00:43:48: : Stopped at height 3.680 mm
      8.4.2019, 00:43:51: : Stopped at height 3.700 mm
      8.4.2019, 00:43:55: : Stopped at height 3.665 mm
      8.4.2019, 00:43:59: : Stopped at height 3.688 mm
      8.4.2019, 00:44:03: : Stopped at height 3.672 mm
      8.4.2019, 00:44:06: : Stopped at height 3.675 mm
      8.4.2019, 00:44:10: : Stopped at height 3.682 mm
      8.4.2019, 00:44:13: : Stopped at height 3.658 mm
      8.4.2019, 00:44:17: : Stopped at height 3.640 mm
      8.4.2019, 00:44:21: : Stopped at height 3.660 mm
      8.4.2019, 00:44:25: : Stopped at height 3.632 mm
      8.4.2019, 00:44:28: : Stopped at height 3.630 mm
      8.4.2019, 00:44:32: : Stopped at height 3.630 mm
      8.4.2019, 00:44:36: : Stopped at height 3.645 mm

      The sensor signal is wired to the z-probe pin on the duet wifi, ground and vin are wired to an always on fan output. Bed and hotend heater are off during the probing.
      These are the settings for the probe:
      M558 P5 H6 I1 F60 T9000 A10 S0.01 B1

      Any ideas? Is the probe maybe faulty?

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      • RodrigoRMaraujoundefined
        RodrigoRMaraujo
        last edited by RodrigoRMaraujo

        Hello Friend. I don't know if you solved your problem. I am new to duet and am looking to install this same sensor. Would you mind helping me? I don't know where to put the 3 pins on the board and I don't know what will be the config.g file and other necessary files. If you can help me, I really appreciate it! I use a duet 2 wifi 1.04. Thanks!

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        • oliofundefined
          oliof
          last edited by

          @RodrigoRMaraujo for you the wiki has some info at https://duet3d.dozuki.com/Wiki/Connecting_a_Z_probe

          <>RatRig V-Minion Fly Super5Pro RRF<> V-Core 3.1 IDEX k*****r <> RatRig V-Minion SKR 2 Marlin<>

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