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Need help with the Blackbox Limit Switches.

Discussion in 'Controller Boards' started by thatguypeter, Mar 17, 2019.

  1. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Ahh, XPRO, thought you had a BlackBox. My bad
    Wiring looks OK, what about Grbl settings (output of '$$' command)
    Wiring: Check with multimeter in continuity if the far end of the wires (at controller) close with the switch (just in case of a bad crimp, broken wire, bad connection)
     
    #31 Peter Van Der Walt, Aug 9, 2019
    Last edited: Aug 9, 2019
  2. Cortellini

    Cortellini Well-Known
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  3. Cortellini

    Cortellini Well-Known
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    Thank you Peter,

    Attached is a pdf of the GRBL settings on my machine. I expect to test the circuits on Monday.
    Thanks for the help.

    Conrad
     
  4. Alex Chambers

    Alex Chambers Master
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    Hi @Cortellini - your PDF attachment doesn't seem to have worked.
    Alex.
     
  5. crnrstndes

    crnrstndes Journeyman
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    I had nothing but trouble with my arduino c-shield with the limits and grbl so I took the plunge and bought the BlackBox! With the help of Peter and Dave the Swarmer I got everything working great. Homing, limit switches and Z-probe, now I feel like I have a real cnc operation!! Just a thought!!
     
    Rick 2.0 likes this.
  6. Cortellini

    Cortellini Well-Known
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    Here is the pdf
     

    Attached Files:

  7. Cortellini

    Cortellini Well-Known
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    Thanks for the tip crnrstndes, the Back Box looks good. However it appears that it is not a stock item for the only option is to pre-order with an estimated delivery date of August 27.
    If I go this way, will I be able to use the power supply that came with my Workbee 1510 kit?
    Still I also need to ask the question. Are there any Xpro controllers out there that are working?
     
  8. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Yes

    Of course. But, yours may have picked up damage (ESD, wiring mistakes, bumped the board on the desk while working on it, magic hehe) why it doesnt anymore
     
  9. Cortellini

    Cortellini Well-Known
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    Peter,

    I really like your style.

    It makes me wonder if there is a diagnostic instrument that would diagnose the Xpro issues quickly.
    But I already know the answer so I will refrain from asking the question.
    Funny but it seems to me that a component as sensitive as the Xpro, should have arrived wrapped in a glowing red banner with the following message:
    "WARNING" The Xpro will fail if exposed to the faintest levels of EDS, turning on with wrongly connected wiring, the slightest bumping on a hard surface,
    and any association with a wizard should be strictly avoided. The Xpro will not provide the slightest hint of the cause of failure or even that it has failed
    resulting in a protracted and frustrating attempt at making it work. I'd get a Black Box if I were you! :)

    I might have taken this advice then but I am certainly taking it now. Black Box it is then. I am learning yet I am certain there is a lot more to know.
    Keeps it interesting.

    Thanks for your help.
    Conrad
     
  10. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Well, its just one possibility. They arent that fragile, but hey, users can get interesting sometimes

    Most often though, its bad wiring of some sorts. Have you managed to check that the switches close using a multimeter in continuity yet? Check at the controller side so the test also includes the wiring?
     
  11. Cortellini

    Cortellini Well-Known
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    Thanks Peter,

    I intend to do that today as my mail order multimeter arrived yesterday.
     
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  12. Cortellini

    Cortellini Well-Known
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    Peter,

    You were right. Both the Y and Z axis failed the continuity test in the black wire.
    Is it possible to buy comparable extension wire at the hardware store? What would I ask for?

    Regards,
    Conrad
     
    Peter Van Der Walt likes this.
  13. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Awesome!
    replacement wire: Xtension Wire By the Foot
    replacement connectors: Xtension Connector Sets

    Just double check that its not a badly installed terminal/joint/etc - kinda rare for a whole length of wire to be bad
     
  14. Cortellini

    Cortellini Well-Known
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    It was a connector problem in both. We are now Homing.
    Now on to software.
    Thanks for the help.

    Conrad
     

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