Quote Originally Posted by JAZZCNC View Post
Need to see the ST-V2 manual do you have a link.?

I've got a feeling that the board uses a common Gnd not an isolated Gnd for the Analog output. In which case I wouldn't use it.
Could you recommend an alternative low cost one if I cant use this too please.

Part of me thinks to just buy a cheap VFD - got to be better than one in the machine