Re: [CAD_CAM_EDM_DRO] Percentage Spindle Power meters

washcomp wrote:

>I've seen "Percentage Spindle Power" meters and the like on some CNC
>pendants. Any idea what/how is used? I suppose they are
>ammeters, Do they use current transformers or what?
>
>

They probably get it from the VFD. Many higher-end VFDs have a way
or sending an analog load signal out on one of the terminals.

Jon