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blackbox controller

Discussion in 'General Talk' started by cpu999-1, Aug 16, 2020.

  1. cpu999-1

    cpu999-1 New
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    my openbuilds blackbox controller keeps losing its signal why ?
     
    #1 cpu999-1, Aug 16, 2020
  2. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    #2 Peter Van Der Walt, Aug 16, 2020
  3. cpu999-1

    cpu999-1 New
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    so are you saying need to buy shielded wire ?
     
    #3 cpu999-1, Aug 20, 2020
  4. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Not really. Refer to the link above. There are several things to try before resorting to shielded wiring. For example shorter USB cable and spacing low voltage cabling away from EMI sources
     
    #4 Peter Van Der Walt, Aug 21, 2020
  5. cpu999-1

    cpu999-1 New
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    so are limit switches low voltage ?? and if they are keep them away from the motor cables
     
    #5 cpu999-1, Aug 21, 2020
  6. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Yes, limits are very sensitive low voltage logic signals.
     
    #6 Peter Van Der Walt, Aug 22, 2020
  7. cpu999-1

    cpu999-1 New
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    ok what I did is use shorter usb cable and routed the wires away from each other seems to work just fine thanz 4 the help,plus the usb cable is a ink printer cable,now about stepper motor adjustment is the b/b pre set,or do I ajust them, if so how do I DO that ?BECAUSE SOME TIMES i SEE THE RED LIGHTS COME ON
     
    #7 cpu999-1, Aug 25, 2020
  8. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Default is good for most machines.
    Are you skipping steps, turn it up a bit. Overheating drivers (red LED) or overheating motors (burns your hand) turn it down a bit

    All explained here: docs:blackbox:currentadjustment [OpenBuilds Documentation]

    Note red LED could be overheating, but not limited to it:

     
    #8 Peter Van Der Walt, Aug 25, 2020
  9. cpu999-1

    cpu999-1 New
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    no step skipping,the motors are warm to the touch,but if there not working there warm,but where I live its gets over a hundred some times,so do I need to setup a volt meter to adjust them ?
     
    #9 cpu999-1, Aug 25, 2020
    Last edited: Aug 25, 2020
  10. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Sounds good to me. Warm motors is normal. Burning hot is not. Warm when not working is normal too (brake condition, both coils enegised to maintain position)
     
    #10 Peter Van Der Walt, Aug 25, 2020
  11. cpu999-1

    cpu999-1 New
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    ok thanz 4 all your help
     
    #11 cpu999-1, Aug 26, 2020
    Peter Van Der Walt likes this.

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