It has the function of accumulating count. That is, once the yam is broken, or the yam does not pass through the electronic yam cleaner ; the circuit will not bring about the high power level signal of the yam' s movement. At that time, the cheese winding head cannot be started. The counting of the groove drum* s revolution must also stop. When the ties are connected and the cheese winder is resumed ,counting should be continued at once.