Fire door monitoring module lh9m

  Product description 1
Comply with the national standard gb29364-2012 fire door monitor

2
Provide DC 24V power supply and 2-way feedback signals for door closer and door magnetic switch

3
It can accept the instructions sent by the monitor of the fire control center and automatically close the fire doors in sequence

4
It has self inspection function, sends audible and visual alarm in case of failure, and uploads it to the fire control center

5
It has the function of closing the door

6
The second bus communication function feeds back the working status to the monitor of the fire control center