Cellular wireless terminals are data transmission terminal products developed based on wireless cellular networks. Its function is to transmit some simple data. A typical application is to transmit sensor data to the host computer (server) through a cellular wireless terminal.…
4G data transmission terminal
4G data transmission terminal is mainly used for data transmission in the Internet of Things industry. The collected data is sent to the host computer (server) through the 4G network. At the same time, 4G data transmission terminal has another…
Briefly understand the TCP/IP protocol stack
What is TCP/IP protocol? TCP/IP is the general name for various protocol families related to the Internet. If computers and network devices are to communicate with each other, both parties must be based on the same method. For example, rules…
Brief analysis of DTU functional characteristics_structural composition and application
The Chinese name of DTU is wireless data transmission terminal. It is an Internet of Things device specially used to convert serial data into IP data or convert IP data into serial data for transmission through a wireless communication network.…
Advantages of 4G DTU compared to 3G/GPRS DTU_Function and application of 4G DTU
4G DTU functions as a data pipe transmission in the Internet of Things system. It uses the 4G network of TD-LTE or FDD-LTE to realize wireless long-distance data transmission between the local serial port and the remote public network server.…
[New Product] Ethernet Network Relay_RJ45 RTU
With the rapid advancement of industrial informatization, remote data collection and equipment monitoring through the network have become the most economical and reliable way. Ethernet network IO relays are widely used in industrial automation, intelligent building monitoring, power systems, unattended…
Instructions for use of Zonghengyun transparent transmission
Zonghengyun transparent transmission function can support remote control of DTU / RTU equipment without public network IP, which facilitates customers to quickly test and understand product functions and greatly shortens the development cycle. This document uses ZHC4921 as an example.…
The working principle and functional characteristics of wireless data transmission DTU
Wireless data transmission DTU is a transmission device that uses the cellular networks of major operators to transparently transmit the data collected at the front end to the remote control center without loss. It can complete functions such as real-time…
Instructions for simple networking using DTU
Industrial DTU products provide a wireless, non-regional restricted data transmission and networking solution for various sensor devices and other terminals that require data transmission. The following article will briefly introduce several common DTU networking methods. 1. The process of data…
RTU wiring tutorial_Modbous RTU wiring instructions
The rapid development of network and communication technology has provided RTU technology with more advanced and better performance, and has also brought wider applications to RTU products. In order to make it easy for beginners to use it, a simple…
[New product pre-sale] LoRa wireless data transmission terminal_LoRa RTU
With the continuous development of the Internet of Things, more and more fragmented terminal devices realize network access. LoRa, as the most promising low-power wide-area communication technology at present, has been used in all walks of life. ZHC0561 and ZHC0661…
Application of RTU in hydrological monitoring of small and medium-sized rivers
my country has heavy rainfall in summer, and flood control work in small and medium-sized rivers often becomes the focus of preventing floods during the rainy season. Therefore, in today’s highly developed Internet of Things technology, using Internet of Things…