What is the principle of fire linkage control?
The basic principle is open circuit control. That is, different control signals are output according to different input signals.
When the fire has been confirmed, the fire fighting equipment has been started by linkage, and the function of alarming, warning and extinguishing the fire has been reached.
Such as: smoke detector alarm signal input and output commands are as follows: start sound and light alarm, emergency radio, open the exhaust fan, landing elevator, power cutting off non fire power, open the quick exhaust valve preaction system etc..
