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Switching system for use with emergency lighting systems using a monitoring circuit to control a switching relay coupled to different supplies
Switching system for use with emergency lighting systems using a monitoring circuit to control a switching relay coupled to different supplies
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机译:用于与应急照明系统一起使用的开关系统,该系统使用监视电路来控制耦合到不同电源的开关继电器
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摘要
The system has a monitoring unit [AE] controls the switching relay [R] dependent upon the state of the mains input [L2/N2], the control inputs [S1/S2], the switched mains [N1/L1] and the supply type [DC-AC]. The number of switched paths is limited to reduce error conditions.
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