A fault concentrated alarm system was developed with 80c196kc as its core. The system is composed of signal detection circuit, single chip minimal system and fault alarm circuit.

研制了一个故障集中声光报警系统，以80c196 KC单片机为核心，主要包括三部分：信号检测电路、单片机最小系统和故障报警电路。

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When an one-point or multi-point earth fault occurs, the monitor can quickly detect the serial number and polarity of the branch circuit earthed, and meantime give alarm to the operator on site.

在直流系统发生一点或多点接地时，该装置能迅速检查发生接地的直流支路编号及接地支路的极性，同时报警提示现场运行人员。

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Power supply are not afraid of open circuit, short circuit, faulty shutdown, fault alarm functions.

电源不怕开路、短路、有故障关机、故障报警的功能。

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