50 / 60Hz 3 Phase Elevator Control System for Cargo , Observation Elevator

50 / 60Hz 3 Phase Elevator Control System for Cargo , Observation Elevator Features: Floor Height Data Automatic Correction Each time the elevator passes through the leveling position, system will auto correct the error position with respect to the shaft parameter self-learn position data base to maintain consistent ride comfort. Elevator Position Auto Calibration Each time the elevator enters the terminal floor zone, system will self-calibrate the position counter with