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BlackBox X32 - Tool On (M3) disables Y2 stepper?

Discussion in 'Controller Boards' started by qillerneu, Jun 29, 2024.

  1. qillerneu

    qillerneu New
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    Upgrading from v4 for that backlash compensation option, and running into a weird thing: M3 (Tool On) command disables one of the Y axis steppers. Everything works fine until then - jogging, or manual feed commands, but as soon as M3 is issued, one side of Y shuts down.

    I wonder if this is something with my wiring, however I moved everything pretty much 1:1 from v4:
    * X / Y / Y2 / Z connectors
    * X / Y / Y2 + Z (in parallel, for autosquaring) limit switches
    * Probe
    * Power supply
    * Interface (unplugged...)

    This seems to be happening on both the stock firmware (ganged Y) and any custom build I've tried (autosquared + backlash)

    Also, I actually don't have my VFD connected yet to the tool relay, not sure if that matters.

    (edit: added settings)
     

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    #1 qillerneu, Jun 29, 2024
    Last edited: Jun 29, 2024
  2. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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  3. qillerneu

    qillerneu New
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    Hm, turning it up or down, for one or all axis, didn't seem to make a difference.

    Is the green light just shining through from other led? Definitely haven't seen red alerts.

    upload_2024-6-30_12-55-19.png
     
  4. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Yeah thats just leakage. You'll know if its red. Bright. But then Y didn't "shut down". So have to look elsewhere.

    Try commands line by line, perhaps a Z move hitting switches just before M3 (M3 cannot cause it in any way I can imagine. So perhaps a false perspective?)

    Eliminate settings (Take backup. Reset EEPROM button on Grbl Settings tab > load standard machine profile > save and reset)

    Anything else non standard? Different firmware or version included with CONTROL V1.0.376
     
  5. qillerneu

    qillerneu New
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    Somehow I was on 1.0.377 version, rolled back to 376 and reflashed the stock firmware (regular, dual ganged axis, no autosquaring, no door). BB X32 version 1.4.

    Did a full reset with the included build, and left all settings default. So the default for max spindle speed is $30 = 1000. Issuing `M3 S1000` stop the spindle. Then it gets weirder - using something like `M3 S100` starting running the Y2 stepper...

    Shorted pins somewhere?
     
  6. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Vs:



    Load a profile. Stock grblHAL pin inversions are not directly usable.

    They do go through QA, so kind of unlikely. Guess one could slip through. Any wiring mishaps?
    Check in with support.Openbuilds.com > New Ticket if there weren't any
     
  7. qillerneu

    qillerneu New
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    Sorry, my bad wording. Loaded WorkBee profile, as my build is just an inspired version of that, but left all settings default (in that profile) - which means that some axis are reverted etc, but that's inconsequential.

    Here is the video of that's happening - both the commands and the result...

    I'll check in with the support

    And huge THANK YOU for helping out on this forum with all the different things :)
     
  8. qillerneu

    qillerneu New
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    To close the loop on this one: The replacement BlackBox works totally as expected. I guess it was electronics after all
     
    David the swarfer likes this.

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