Quote Originally Posted by Evans View Post
I'm intending to control my spindle directly from it's supply rather than use my software.

No problem in doing that I do that with one of mine (it goes without saying" the only thing is you have to Remember is to turn it on before you hit the go button.

To shut down my CNC I'm thinking to put my emergency stop in the mains supply to the (not the spindle you have that under your own finger control) CNC machine
but not to my computer.

Is this going to work ? See in red

Since my spindle control and electronics will be separate it looks on paper
to be a way of shutting everything down.