... with USB communication interfaces,sustaining Modbus with intelligent power module AC Servo driver Product Introduction Servo driver models GL ... Position,Positional Deviation,Motor Torque,Motor Current,Instructions Pulse Frequency etc.Defensive functionOverspeed,Overvoltage,Overcurrent,Overload,Abnormal brake,Abnormal ... +10%)Speed Ratio3.513889Other pictures with intelligent power module AC Servo driver