MCAC506 all-digital electric matched certificated ac servo driver system adopts high-performance digital signal processor (DSP) and integrated circuit, and come out to be a cost effective product with simple circuit, high integration, easy operation, and strong practicability. MCAC506 provide three feedback loops: position loop, velocity loop and current loop. Three work control mode: position, velocity and torque. MCAC506 matches with AC servo motor under 50V and 200W.