Stepping motor drive: 1) Input power: single/three phase AC220V -15 ~ +10% ... rated speed)speed regulation ratio1:5000pulse frequency<=500kHzinput control1. Servo Motor capacity 2. alarm & clear 3.CCW forbid drive 4.CW ... , current position, accumulation of command pulse, positional deviation, torque of electric motors, exact position of rotor, frequency command pulse, operating condition ...