带式输送机断带抓捕程序，采用一主多从的PLC模式，对皮带速度、张紧力进行多传感信息融合，获取皮带的实时状态，断带时进行抓捕杜绝误抓捕情况。-Belt Conveyor Breakage and arrest procedures, a master multi-mode PLC from, the speed of the belt tensioning force multisensor information fusion, get real-time status of the belt,