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X32 Blackbox 0-10v to HY VFD issue

Discussion in 'Controller Boards' started by bryn_23, Apr 27, 2024.

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  1. bryn_23

    bryn_23 New
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    So i'm having a few issues with my X32 Blackbox and the HY VFD, the spindle won't fully stop via the interface or open builds control.

    I tried the PD011 down to 0, but that doesn't work.

    I did notice that i still get .7v through the blackbox to the VI/ACM at the HY after i have stopped the spindle via the control/interface, not sure why that is coming through from the blackbox, i guess that explains the 2000-2200rpms

    Can i put a switch between the jumper of DCM and FOR to stop the spindle.

    I don't want to press the stop button on the VFD (as the VFD needs a restart to run again and i'm not going to reset the breaker each time)

    I did read HY SERIES VFD AND BLACKBOX SET-UP OPTIONS

    I also came across a few posts about this similar issues, but so far i haven't had any luck resolving this issue
     
  2. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    That's a VFD config - something similar to Min Freq (set to 120Hz)

    You want the VFD to ignore 0-3v (0-7200rpm) and only start up from 7200-24000 (3-10v)
    (Slow spinning can burn out spindle - 7200min is bare minimum for air cooling to work)


    Refer your VFDs manual to see which parameter accomplishes this


    7200rpm / 24000rpm = 0.3
    10v * 0.3 = 3v
    400hz * 0.3 = 120Hz
     
  3. bryn_23

    bryn_23 New
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    Thanks for your help Peter,

    I'll have another read through the VFD Manual to see if i can work it out which parameter i need to fix the issue.

    if anyone else know which parameter i should be looking at, its the 220v 2.2kw 223 model

    Ive got a water cooled spindle connected to a CW-5200 Chiller
     
  4. bryn_23

    bryn_23 New
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  5. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    PD010 doesn't look like the usual one.
    Should be in freq not voltage. Maybe PD011 (could try 120hz and see if it does as expected, if not revert to old value)
    Search here too Search Results for Query: min freq | OpenBuilds

    The vendor you bought the VFD from is supposed to be providing the support for their product :)
     
  6. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    VFD Spindle Control via OpenBuilds BlackBox Controller and Software says its not PD011 either
    Just guessing off your PDF here - really best to ask your VFD supplier (and thus equally important to buy from a reputable seller that does provide support)
     
  7. bryn_23

    bryn_23 New
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    Vendor aren't great when it comes to supporting what they sell.

    Im thinking PD028 might work

    I do have a question regarding the X32 Blackbox, why does it still sending a continuous .7V after shutting down the spindle, it shouldn't be sending anything, that would solve the issue
     
  8. bryn_23

    bryn_23 New
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    I'll double check my $33 settings when i head out to the workshop tomorrow, that may well be the issue.

    But i do have some concerns, i've read your replies, you say that the blackbox provides 0-10v, but that doesn't seem to be right from a few of the posts to the links i've read on here.

    Can you confirm that the blackbox X32 is able to provide 0.0v as stated, as there shouldn't be any need to program the VFD ignore 0-3v
     
  9. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    That's fine. As 0-3v would be ignored. They all do that and it's not an issue if the VFD properly set up. The PWM to 0-10v section is an old school analog circuit.
    0.7 is well below 3V

    False. Min Freq is a critical safety parameter to prevent burning out spindles! And accidental starts from EMI induced voltages in control wiring etc!

    I mean we could wire up the tool enable relay to handle start/stop but that doesn't change the fact that the VFD isn't correctly setup. If you want to add the relay, see HY Settings with the BlackBox X32
     
  10. bryn_23

    bryn_23 New
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    Hi Peter,

    In regards to my comment about not needing to program the VFD, i was referring to the work around solution you proposed to find a way to get the VFD to ignore the first 3V.

    I had an Industrial Electrician come over today to check everything over, he tested the controller output, and confirmed that it is not providing a clean 0.0-10v signal, so is it a faulty controller or it can't provide a true 0-10v signal, he was happy with all the VFD settings.

    So i have to ask again.

    Does the blackbox able to provide true 0.0v-10v signal? or is there a design issue with the blackbox that requires a VFD or switch workaround.

    The reason i need to know as i'd like to know if dealing with a faulty blackbox that needs to be returned, or if a work around such as a switch is the only way to make the blackbox work, together we couldn't work out a HY VFD parameter change to work around to resolve a non 0.0 signal.
     
  11. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
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    Please contact the store for further assistance: support.openbuilds.com > New Ticket. Thanks
     
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