SERVO MOTOR SYSTEM FOR RETURNING TO ORIGIN POINT, AND METHOD FOR RETURNING TO ORIGIN POINT USING THE SAME

摘要

A servo-motor system for returning to origin point, and method for returning to origin point using the same are provided to reduce the total wiring length of the driving device and to efficiently arrange the wiring of the driving device because the direct wiring between a controller and a plurality of origin sensors is unnecessary. A servo-motor system comprises a plurality of I/O units distributed in the driving device, a plurality of servo motors(100), a controller(400) and one or more origin sensors(500). The plurality of servo motors is installed in order to control the movement of a plurality of shelves. The controller controls the plurality of servo motors. One or more origin sensors is equipped in one side of the movement route of the shelf. The origin sensor is connected to the adjacent I/O unit among a plurality of I/O units and communicates with controller.