Centroid Community CNC Support Forum

Thank you tblough. I read your excellent write up of the Bridgeport spindle encoder. It is a cheaper and easier to implement solution than the Incoder. You can add me to the list of people copying the idea.

Thank you for the response Dave. I have read the Encoder Basics thread and I believe the Incoder would be suitable. There is probably no real difference between the options I outlined. However, it is quite expensive so I want to pick the best option if I can.

I am in the planning stages of upgrading a Denford Easiturn lathe from a parallel port BOB to the Acorn board. I want to use a Zettlex Incoder as the spindle encoder. This is available with two RS422 ABZ variants. The only difference appears to be the width of the Z index pulse (90 or 180 degrees ...