I am finally making headway on my retrofit. Now as soon as there is a run signal the spindle goes to turning about 20 rpm. no orient signal, no analog speed signal, but it still runs. I have dug through the manual over and over. I thought it would be like the servo drives where there is a zero pot to get it to stop. I am still working on some things in my controller (Linux CNC) to get the control to handle the spindle correctly.

Any thoughts of getting this to zero out?

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