Автор: iot-en (page 109)

Ethernet is the most common communication protocol standard used in existing local area networks today. This standard defines the cable types and signal processing methods used in LAN). Ethernet transmits information packets between interconnected devices at a rate of 10~100Mps.…

Friends who have used PLC should know that the communication between PLC and control equipment is basically based on the serial communication interface and is controlled using its corresponding communication protocol. The serial communication interface includes RS232, RS422, and RS485.…

With the development of network technology, sensor technology, and communication technology, mankind has entered the era of the Internet of Things. In the era of the Internet of Things, a large amount of information, instructions, and data need to be…

With the gradual maturity of network technology and the arrival of the wireless sensor era, wireless sensor network technology has become a technology hotspot in recent years. Embedding a standardized network protocol in network equipment can improve the interconnection between…

With the rapid development of information technology, the dependence of private information and business information transmission on wireless communication networks is significantly increasing, and the resulting attention to the security issues of the communication system itself is also rapidly increasing.…

1 Introduction With the rapid development of science and technology and information technology in our country, advanced technology has been applied to various industries. In modern control systems, data must be unified and analyzed, and equipment must be controlled in…

Since the 2010s, many “brain” and “nervous system” concepts have emerged in the field of IT technology, such as Internet brain, Google brain, Baidu brain, 360 security brain, Huawei urban nervous system, etc. City brain is one of them. This…

Currently, a technological and industrial revolution represented by a new generation of artificial intelligence is brewing. The construction of digital, networked, and intelligent information infrastructure is accelerating. Integrated innovation and cross-field innovation characterized by the cross-fusion of information communications, life…

Report summary: Wireless transmission is the main information transmission method of the Internet of Things, and the communication module is one of the core components of the Internet of Things. Wireless transmission is mainly divided into three types of connection…

Different from Internet thinking, fragmentation is the best opportunity for the Internet of Things. By connecting things within a limited range and a short time window, you seize the fleeting opportunity. Most of the companies that practice this principle have…

The collection and transmission module developed by Zongheng Intelligent Control mainly uses 4G network as the transmission channel, which can realize the mutual transmission of data between serial devices and network servers through the operator’s network. Currently, it can be…

4G data transmission module The 4G data transmission module developed by Zongheng Intelligent Control is a shell-type data transmission terminal. There are two products for users to choose: rail type and ear-mounted type, which can meet different application scenarios. This…