Author: iot-en (page 104)

The Modbus protocol is a messaging structure developed by Modicon. It is used to establish master-slave/client-server communication between devices. Modbus has many protocol options. But the two most used are Modbus RTU (Remote Terminal Unit), Serial (RS-232 or RS-485) protocol…

The networking of industrial routers needs to be completed through the 4G network, but the coverage needs the support of WIFI wireless network. The theoretical coverage range of industrial routers is 100-300 meters, but it is difficult to achieve the…

The Internet of Things (IoT) networks will massively expand the use of mobile communications beyond smartphones and tablets to an extraordinary range of applications and connected devices – including many products that have yet to be invented. While many IoT…

Industrial routers can be installed indoors or outdoors, in corners or on desktops, in mountains or underground, and anywhere there is a signal. But to ensure the best performance from your industrial router, it’s best to choose a good location…

Industrial routers are connected through cellular network data, so they are more suitable for outdoor and commercial indoor use environments. There is no need to consider the troublesome problem of wiring. They only need stable signals and the stronger the…

Computer technology has been with us since the mid-20th century. However, the technology behind the Internet of Things has been mature since Tom, Dick and Harry all started using PCs. Telemetry science, the earliest representation of the Internet of Things,…

What is serial communication? The academic explanation is a method of continuously sending one bit of data through the bus at a point in time. Just like an archer shooting his bow and arrow frequently, whoosh, whoosh, whoosh… What is…

RS-232C, RS-422A, and RS-485 are communication standards of EIA (Electronic Industries Association). Among these communication standards, RS-232C has been widely used in various applications and even as standard equipment on computers, and Often used. Used to connect to serial servers…

In serial communication, data is sent one bit at a time over a signal line, so in order for the receiving end to receive the data accurately, the sending end must know the sending data for each bit.在RS232中，同步已经定义了

The LoRaWAN network architecture is deployed in a star topology (as opposed to a mesh topology, such as Zibgee). The base station of a LoRaWAN network laid out in a star topology relays data between sensor nodes and network servers.…

Among the EIA standard series, the RS485 protocol is considered the most versatile, showing good performance in all four standards of serial communication. This is the reason RS485 is widely used as a communication interface when multiple nodes need to…

Different application scenarios Switch: Mainly used in internal core access, internal data exchange, and more commonly used in LAN; Router: It is a network outlet, mainly responsible for interconnection with operators, and is more commonly used to connect to external…