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Fail detecting method of hierarchy system

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专利汇可以提供Fail detecting method of hierarchy system专利检索,专利查询,专利分析的服务。并且PURPOSE:To realize a fail detecting method of a hierarchy system which requires no special signal line for alarm, by transmitting a fail signal only to a device positioned at a lower place by a class via a bus. CONSTITUTION:When a fault arises in a device 2, a lower device 4 knows the fault of the device 2 by an overflow of a watchdog timer (WDT). Thus the device 4 transmits no reset signal to its lower devices 9-11. As a result, the WDT of each device has an overflow and accordingly these devices know that a fault has arisen at a higher class. Each device transmits no reset signal to its lower stages. In such way, a fault of a device at a higher class is transmitted to the lower devices successively. An alarm lamp is provided to the device at each class to be lit up when a fault arises. As a result, the faulty class can be easily detected.,下面是Fail detecting method of hierarchy system专利的具体信息内容。

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