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根据门吊电路的特点和故障诊断的机理,通过检测电路中各二次线路接点状态,送入单片机进行综合判断,判断故障所在的元件。实现了故障的离线诊断,人机界面友好,为操作或维修人员快速排除电路故障提供有力的帮助,同时,仪表还可以显示电路中的各接点状态。
According to the characteristics of the door hanging circuit and the mechanism of fault diagnosis, the state of each secondary circuit contact in the circuit is detected and sent to the single chip microcomputer for comprehensive judgment to determine the component where the fault occurs. It realizes the offline diagnosis of faults and the man-machine interface is friendly. It provides powerful help for the operation or maintenance personnel to quickly eliminate the circuit faults. At the same time, the instrument can also display the status of each contact in the circuit.