•No host feedback, no feedback wiring, automatic tracking host speed.
•Using pure PID control scheme, less wiring, which can completely replace the external type PID.
•No host feedback, no feedback wiring, automatic tracking host speed.•Using pure PID control scheme, less wiring, which can completely replace the external type PID.
•No host feedback, no feedback wiring, automatic tracking host speed.
•Using pure PID control scheme, less wiring, which can completely replace the external type PID.