The controller is used for rebuilding technical equipment with dobby lifting frame and drop shuttle-box No.1511、1515（including GA611、GA615）such as towel loom、yarn-dyed loom and handkerchief loom etc. It can also be matched with new machine，without the equipment of card lacing, peg and steel board, etc, replacing single-cylinder dobby, double-cylinder dobby, three-cylinder dobby,and four-cylinder dobby, etc. Which has many advantages, such as easy operating, changing pattern quickly, greatly improving the complexity of figure pattern, saving man-hour and material. This kind of controller, with simple structure, easy installment and maintenance, is durable and can weave kinds of cloth.
