The circuit design mainly includes interface designs, such as address coding circuit, human-machine, AD converter, etc.

电路设计主要包括译码电路设计，人机接口电路设计，AD转换电路设计等。

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Coding circuit inside (may not code), can be connected in alarm bus directly when coded and matched with module when not coded.

内有编码电路(可不编址)，编码时可直接接入报警总线，不编码时需配控制模块才能使用。

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Coding circuit inside (may not code), can be connected in alarm bus directly when coded and matched with module when not coded.

内有编码电路(可不编址)，编码时可直接接入报警总线，不编码时需配控制模块才能使用。

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