Model: SD2026 Control technique: 3-phase full-wave rectification, SVPWM space vector control. Control mode: torque / position / speed Communication port: RS232 / RS485 Motor support: from 0.6 to 3.8 kW Air pressure: 86-106 kpa Speed ratio: 1: 5000 Voltage rating(V): One or 3 phase 220VAC Current(A): 30A Communication port: RS232/RS485 Protection function against over voltage, low voltage, overload, overheating, phase loss, over speed. Monitoring function of speed, current position, current pulse frequency, position deviation, motor torque, motor current, analog input value, etc. RS232 / 485 communication function with computer, real-time parameter modification, monitoring servo operation status