linkage addressable fire alarm system input module
The input module, also known as the monitoring module, is used to receive the action signal of the monitored device and can be connected to the monitored device with normally open or normally closed signal output. The input module adds an address code to the action signal of the monitored device, and transmits it to the fire alarm controller through the signal bus to issue an alarm signal or linkage trigger signal. The input module can be equipped with all kinds of equipment that need feedback signals on the site, such as water flow indicator, pressure switch, signal valve control cabinet, and all kinds of external linkage equipment that can provide switch signals. In the automatic sprinkler system, when the water flow indicator, signal valve, pressure switch and other equipment are started, the normally open contact switch is closed, and the input module sends an alarm signal to the fire alarm controller, indicating the alarm area or alarm location
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