In the access control system, the application of QR code technology provides an efficient solution for the increasing demand for security and convenient. As two common access control devices, QR code reader and QR code access controller device, each have unique functions and advantages. Now , we will analyze the differences about two devices.
First, let’s look at the QR code reader. This device is also called reader, which is an important part of the access control system. But it cannot work alone, needs to be used in conjunction with the access control controller. When someone uses a QR code for identification, the card reader will read the corresponding data and transmit the data to the access control controller via Wiegand or RS485. The access control controller will analyze the data to determine whether the user has the corresponding authority, thereby controlling the switch of access control electric locks, turnstiles and other equipment. The advantage of this split access control is that it is more secure, but it requires the installation of access control controllers and card readers separately, which is more complicated and costly.
Next, let's take a look at the QR code access controller. This device integrates the reader and the access controller to form a complete access control system. It is directly connected to the access control software via Ethernet or WIFI, and the data can be directly to determine the authority inside the integrated machine. If the user has the rights to open the door, the integrated machine will control the access control electric lock, turnstile and other equipment to open, so as to achieve fast entering. The advantages of this access control system are simple installation, convenient wiring, low cost. It can be remote control and management.
From the above introduction, we can see that there are obvious differences in function and structure between the QR code reader and the QR code access controller. The reader needs to be used in conjunction with the access control controller; while the controller integrates the reader and the controller, which has the advantages of simple installation, convenient wiring, and remote control. The QR code access controller produced by Cerberus can be connected to all third-party software systems through http/mqtt, and supports QR code recognition, IC card recognition, password, etc. The communication method can be wired or WIFI.
