Your response here concerns me. The wire shield should go directly to the controller ground which goes directly to the power supply ground.
You mention a "motor ground". What is this? Is this a wire from the motor frame to ground? If so, why?
Paul
Your response here concerns me. The wire shield should go directly to the controller ground which goes directly to the power supply ground.
You mention a "motor ground". What is this? Is this a wire from the motor frame to ground? If so, why?
Paul