I am running Smooth Stepper with a Campbell card. I can power up the system and the spindle relay will be out and the spindle has zero volts.Am using step and direct signal. I can power up the spindle. Relay will pick up and respond to S command. I can shut off spindle. Relay drops out but .5 volt remains on 0 to 10 volt analog signal and spindle sits and just turns. It will still respond to S command. If I power spindle back up. It will not respond to M5 or to S0. What have I done incorrectly.
racear