Hello all,
I'm in the same situation. I've ordered a Chinese HQD 2.2kw spindle with sunfar vfd.

I don't understand the logic in zero3 controller. I use cncpod2 and kinetic NC together with zero3 controller.

This is the schematics for the VFD.



Should I connect pin 18 of 0-10V port to AI and GND to any of the pins 19-25 for speed control?

To turn on the spindle do I need a relay? I guess I can't use the open collector output because it shares the same ground in zero3 but not on the VFD?
How should I accomplish this? Use relay connected to any free ports? Which coil voltage should I use then?

Sorry about all the questions.

Thanks in advance.

Br

Anders

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