Abstract: The application of the first plough unit control system for our country in Xiaoming Mine was Described. The control system of BH38/2×400 maked by Sany Heavy Equipment CO.,LTD were Described. The controller hardware system was constitutive of the explosion-proof industrial computer, the main controller, the powered support controller. The CAN_bus was used because of the high reliability and long transmission distance. The plough control system works and the Mine Ming Technology of the North Second 419 Face in the Xiaoming Mine were described.

Key words: Plough, Xiaoming Mine, CAN_bus, Central Controls System, Electricity Liquid Controls System