Manual and electrical operation, can perform auto control together with auto fire alarm system.

有手动和电动操作，与火灾自动报警系统联动，可实现自动控制。

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Setting codes of the normal-open fire-proof door, safety control and alarm escape latch system are analyzed and electrical matching design measures are discussed.

摘 要对现行规范和地方消防规定中常开式防火门、安全控制与报警逃生门锁系统的设置规定进行分析，探讨电气配套设计措施。

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Setting codes of the normal-open fire-proof door, safety control and alarm escape latch system are analyzed and electrical matching design measures are discussed.

摘 要对现行规范和地方消防规定中常开式防火门、安全控制与报警逃生门锁系统的设置规定进行分析，探讨电气配套设计措施。

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