Variety of controlmodes, strong versatility. The built-in flexible PWM brake can quickly stop. Overload: G type,150% for 60s,180% for 5s. Low frequency mode:0~300Hz;High frequency mode:0~300OHz. Control mode: 4 modes. Keypad is moveable. Built-in PID controller,standard configuration RS485 communication. Two channels analog input and two channels analog output. The structure is compact and light.