Building intelligence promotes the application of network access control system
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With the development of intelligent building systems, the integrated management of network access control and all-in-one card systems has become a major trend. The “one-card card” simply pieced together can no longer meet the realistic needs of Confucianism, and requires seamless links within the all-in-one card system. Organic linkage of other external intelligent systems. What are the advantages of network access control system? What are the main implementation methods?
With the rapid development of digital networking and building intelligent technologies, the integration of access control systems with other systems will be closer, the scope will become wider and wider, penetrate into all fields of society, and play an increasingly important role. In addition to including access control, attendance, documents, patrol, dining, consumption, fitness, medical care, parking lot, library materials, conference check-in, visitor management, elevator control management, office equipment management, club entertainment, three tables and property payment, etc., It is also necessary to integrate and link with other intelligent systems, such as anti-theft alarm, closed-circuit monitoring, fire alarm, and even building automation systems.
In addition, the system will also interface with ERP and other systems, such as interactive data such as attendance and salary, personnel management, etc., based on each other.
The network access control system has the following features:
Data sharing: Utilize system resources to speed up data exchange.
Real-time monitoring: Real-time monitoring of all terminals in the system.
Fast retrieval: All records can be retrieved at once in the same database, improving efficiency and accuracy.
Comprehensive statistics: All statistical reports can be completed in the management center.
Convenient management: The management of all systems can be completed in the management center.
There are two main ways to realize the linkage between the access control system and other systems:
The first is the hardware method
That is, the dry contact of the output relay of the access control system is used to the matrix alarm input module of the analog TV monitoring system and the alarm input end of the DVR, so as to realize the image capture and monitoring function of the controlled door point or related parts. This type of integration method is the most commonly used and the most basic in the past. However, the problem is that it cannot be queried by faster means after the fact, and installation and debugging are also quite troublesome.
The second is software
With support for digital video server (encoder) functionaccess controlThe controller realizes the dual data exchange function from the device protocol layer to the software database layer at the same time with the digital monitoring system. Another way is to directly connect the program of the access control management system software in the SDK of the DVR video capture card, and associate it with the DVR device through the access control system software function items. There are pros and cons to both software approaches. The advantage of the former is that the system responds quickly and there is no delay. The disadvantage is that the video data must be stored in the local management host, which requires a higher capacity of the host’s hard disk.
The advantage of the latter is that the local management host does not need to save the video stream data, and just calls the data in the remote DVR when needed. The previous video is called.
In addition, there is also a software method that is integrated by an intelligent system platform. This software is provided by equipment providers with OPC standard interfaces or data development kits, and then developed by professional software vendors. This kind of software integrates various systems at the same time to achieve the purpose of unified management, but the disadvantage is that the development cycle is long.
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