The card reader is an important part of the access control system and a key device for signal input of the access control system, which is related to the stability of the entire access control system. If an access control system controller and electric lock are good, if the quality of the card reader is faulty, it will also cause the door to fail to open, which will affect the acceptance of the project and daily use.
What are the classifications of RFID access control card readers?
Card readers are divided into contact card readers and non-contact card readers. Card readers are divided into single-interface card readers, dual-interface card readers and multi-cassette contact readers from the card-readable interface.
From the interface point of view, card readers mainly include: parallel port card reader, serial port card reader, USB card reader, etc.
The card reader can be divided into two types from the card reading protocol, one is 485 card reader and the other is Wiegand card reader. Wiegand 26 and 34 agreements, these two agreements are conventional agreements.
The wireless reader can be divided into IC card reader and ID card reader from the type of card reader. The IC card reader is a non-contact IC card reader device. It is connected through the USB interface and supports access to the radio frequency card. Full functionality. This series of equipment is used in access control, time attendance, expressway, parking lot, membership system and card issuing system of various application systems.
The ID card reader is used to read the ID card. The card reader supports plug-and-play, and can be plugged in at will during use without external power supply. After the computer USB port is connected to the card reader, the card reader "di" One sound to start self-test and initialization, and then one sound of "di" to initialize successfully, and enter the waiting state for card swiping.
ID card reader is suitable for data entry, information query, registration, book borrowing, access control and other occasions.
According to whether it has a password, it can be divided into a password card reader and a card reader.
Password card reader: Some card readers not only have wiegand26/34 card number output, but also have keyboard output, suitable for "card + password" access control occasions.
Author:Written by Ms.Vivian He from S4A INDUSTRIAL CO.,LIMITED
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