Hi,

I want to control spindle speed with lcnc and I am a little confused 
about how to do it and hope someone can put me on track.

My BOB is this one : 
http://www.omc-stepperonline.com/5-axis-cnc-breakout-board-interface-for-stepper-motor-driver-stv2-p-197.html
My VFD manual is here : 
http://www.hclub.ee/download/varia/KOC100%20Series%20User%20Manual--20150119%28V1.1%29.pdf

lcnc gives the options of : analog signal OR pwm.

B-O-B supposedly can do either : pwm through pin  1 or any output pin 
and 0-10v through output connect inverter but says nothing about how to 
address this output connect inverter

VFD has analog input for 0-10V and if I am right, it says to connect a 
pulse to an analog pin.

Example at http://linuxcnc.org/docs/html/examples/spindle.html say to use :

net spindle-speed-DAC scale.0.out => <your DAC pin name>

I have no idea what I should replace <your DAC pin name> with

I could maybe connect pwm to VFD to an analog pin but it seems strange 
to me, usually I connect pwm to digital input

Any suggestions ?

Fernand



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