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This settings and wiring are entirely the same and work for both nvum and nvem.

For all those who have the same conf (novosun controllers, nvum and nvem) here are the wiring of a spindle and mach3/VFD settings that work for me. Chears.

Now when I localized the problem, the reason why o-scope didn't catch impulses could be in nvum board or software. Is there any idea how to resolve this, apart buying new controller? Eventually, I...

I dont know how to be sure about that, can you explain me?

I bought a new set of TB6600, but still can't move anyone of four motors. Those drivers sent to me by Bulkman look like a toy in comparison to the same TB6600 I brought here, completely different...

In that case, it is far useful to buy new... For the power supply, I use mean-well 24v-350w. Maybe is the power supply, but tomorrow I will have a multimeter to check voltage. Literally, I left...

It is not indeed, but the situation requires to see a response. Probably they fried but the problem is I don't know how and when, since nothing like that happens when I was there. Maybe there are...

Something weird going on.. one of the drivers work for all motors, so it seems that a problem is with drivers. Though, don't know what happened over there.. Other three drivers seem broken, turning...

Two days ago everything was perfect, now when I tried to turn on, there is a screaming noise, the motor is locked, but the red lamp on a driver appears. I don't have a clue what is happening? Is it a...

Yes, of course, there is plenty of interference and noises, so the power filter will be added in a computer shell in which all electronics will be assembled in the next few days. This is my first...

Without spindle turned on, motors work perfectly, run gcode, rectangular flattening 2 mm depth. As soon as I enter spindle in the game, motors start to losing steps, when tried to run same gcode it...

It was wiring, nvum is really complicated board and it keeps surprising me every day, negatively. I will post in a few days my new wiring and setup, as soon as I resolve the problem with signal...

Solved, thank you, great forum, even better community

I tried plenty of setting combinations but unfortunately didn't succeed to control the spindle speed through mach3 and NVUM, so really need help with this.

Best I got is turning the spindle...

After rearranging the cables I forgot to screw up ground to VFD, but at the same time, it was soldered to the spindle. All other VFD setting was there, spindle switched on from mach3 and magical...