Apartment door lock system
An access control system and access control technology, applied in the direction of instruments, time registers, single input port/output port registers, etc., can solve the problem of single function and achieve the effect of powerful function, simple use and easy operation
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[0015] The system includes an electronic lock, a radio frequency card, a card reader, and an access controller. The electronic lock is connected to the access controller, and the radio frequency card communicates with the access controller through the card reader.
[0016] The system also includes a background server, which is connected with the access control controller through a communication converter. The communication converter adopts RS485 communication.
[0017] Main functions of this system
[0018] 1) Card swiping record: When people enter / exit, they need to hold the card to read the card in front of the card reader. After the card reader reads the information, it transmits the information to the access controller. The access controller first judges whether the information is legal, if legal Then a door opening command is issued (that is, a connection signal is sent to the electronic lock to make the door open; if it is illegal, the door opening command is not sent a...
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