Driving a Chinese spindle VFD from mach3

**John S** · 14-08-2013

If you are using that board of Roys then use a completely separate 12v supply for it in no way connected to anything else on the panel.

Do not rely on the onboard 12v to 12v DC supply especially if you have long cable runs.

**JAZZCNC** · 14-08-2013

Originally Posted by John S

If you are using that board of Roys then use a completely separate 12v supply for it in no way connected to anything else on the panel.

Do not rely on the onboard 12v to 12v DC supply especially if you have long cable runs.

Yes I never do John, same with USB powered BOB's etc I always run them from there own supply.