| 摘要 |
The present invention relates to an access control system, which comprises an access controller (1) which is applied with an RFID method and is connected to control an electric lock (200) which is a door locking device to open and close an entrance door. The access controller (1) is comprised to perform bidirectional data communication through TCP/IP communication by a LAN method with a management PC (300). The access controller (1) includes: a fire input switch (50) to be used in inputting a fire signal and opening the entrance door in case of fire outbreak; an LAN module (60) facilitating data communication with the management PC (300); a serial communication (70) comprised for communication with the management PC in case of an emergency; a data storage part (80) including an EEPROM part used in storing information of a plurality of RFID cards including a unique identification number of a user, and an SD card part enabling the user to use an SD card; and an RTC module (90) to compensate insufficiency of a program recorded in a CPU (10) and to support a real-time operation thereof in case of control by the CPU (10). By the present invention, the access control system can store a large quantity of data and can secure a large data storage quantity since the access control system can use the SD memory card, and can open the entrance door through signal inputting in case of the fire outbreak, and can send the fire signal to the management PC. Also, the access controller and the management PC can perform bidirectional data communication by near field communication using the LAN method. |
