Spindle/SACT override not working

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Spindle/SACT override not working

Postby sierradays » Sun May 12, 2019 7:20 pm

Am having issues being able to use SACT overrides to control the spindle in UCCNC. Iam running UC300ETH controller with a Huanyang VFD.

I have measured the voltage coming out of the two leads for the spindle and only getting .24v and it doesn't change when I use the override in
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Re: Spindle/SACT override not working

Postby ger21 » Sun May 12, 2019 9:06 pm

You have to use the slider or the +- buttons to change the speed. The Sact DRO is not an override.

How are you controlling the spindle?
What is the commanded RPM?
What are your min and max rpm settings?
PWM Min and Max?
Gerry
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Re: Spindle/SACT override not working

Postby sierradays » Mon May 13, 2019 3:10 am

Controlling the spindle? I am tring to control it through the UCCNC software.
Commaned RPM is 15000RPM'
min 10 and max is 14000
PWM is 0% an 100%
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Re: Spindle/SACT override not working

Postby ger21 » Mon May 13, 2019 10:53 am

So you're using 0-10V analog control? What speed control board?

And how are you trying to override it? What is the override % when you are measuring 0.25V?

Why do you have the max set to 14,000, and then command 15,000?

Is this a 24,000 rpm chinese spindle? If so, you should set your min rpm to 6000-8000. If you try to run it at 10RPM, you could burn it up very quickly.
Gerry
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Re: Spindle/SACT override not working

Postby Robertspark » Mon May 13, 2019 5:11 pm

Even a variable frequency drive would not to down to 10rpm...
Rob
Einstein ― “If you can't explain it to a six year old, you don't understand it yourself”
...working my way through the 1000+ ways things don't work to find the one that does
UC400eth, UC300eth, UCCNC v1.2110, Neuron Lite
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