Device and method for articulated robot

The articulated robot and its operating methods are disclosed. The articulated robot according to the exemplary embodiment of the present invention, the plurality of motors for driving the respective joints of the articulated robot; Wherein the servo controller for controlling each motor, which is mounted in a distribution corresponding articulated robot; Coupled to the servo controller in pairs servo driver for driving the motor in response to a control signal supplied from the servo controller; And it includes an integrated power unit which provides driving power to the plurality of the servo driver through the output channel.