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Selection of FCARD Series Access Controller Networking Mode
2017-02-16 14:05
Details of the problem:

Hello, our company needs to install an access control system, at present, there are two popular communication methods, RS485 and TCP/IP, how should we choose whether to use RS485 networking or TCP/IP networking?

Expert answer:

Hello, the following is the difference between the two communication methods

The advantages of RS485: 1. Longer communication length (generally more than 1200 meters), 2. One RS485 communication bus theory can connect 127 devices in parallel (reducing the number of lines laid)

The advantages of TCP/IP: 1. High-speed communication, the speed is almost 100 times that of RS485, 2. The communication error rate is very small, 3.There is little interference from the outside world.

At present, TCP/IP communication mode is becoming popular on the market,  because TCP/IP is relatively high-speed and stable, it is recommended to use TCP/IP communication mode devices. The FC-8900A series of our company's access control products support RS485 and TCP/IP communication methods, our FCARD3500T management system also supports mixed use of RS485 and TCP/IP networks.

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