| Description de l'article | Fire door monitor system / the system uses the AC220V power supply as the main system power supply and has a backup battery as the system backup power supply. The backup battery allows the system to continue working for more than 3 hours. The system has the function of backup battery charging and maintenance, so that the backup battery CAN effectively guarantee the normal state for a long time the monitoring host has a history record function and CAN record up to more than 100, 000 various types of alarm information and operation records after communicating with the fire alarm system and receiving a fire alarm signal, the monitoring module CAN be controlled to close the fire door according to pre-programmed data |