Just browsing through ebay and came across a breakout out board that looks like it may control a spindle, but not 100% sure. I have a 1.5kw water cooled spindle and VFD that I would like to control the speed via mach3.
It states Programmed analog voltage from zero to ten volt can be set.The analog voltage can control the speed of spindle motor.
Anyone use one of these before with success?
31-07-2016 #2It states Programmed analog voltage from zero to ten volt can be set.The analog voltage can control the speed of spindle motor.
Anyone use one of these before with success?..Clive
So nothing else other than the breakout board and the vfd is needed. How does mach 3 know the speed the spindle is outputting?
I have two of these and they both work very well with Mach3 and UC300. The only issue is that I can't get 10V out of the DA converter, the top voltage is 9.6V so I can't get the spindle to run at full speed with it. I don't know if that matters a lot later on, still using the 400W DC motor and my spindle is still under test, not installed yet.
What I also forgot to mention regarding the 10VDC output is that apart from the output never reaching 10V, it is also not very linear. So if you want to have precise control of the spindle RPM then this BoB won't be good enough, or must use a separate, better PWM 0-10VDC converter.
Last edited by A_Camera; 09-08-2016 at 07:46 AM.
I have one of these that I might try out, is there a wiring diagram available for it?
The datasheet can be found here:
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