Автор: iot-en (page 159)

1. What is 4G DTU ? 4G DTU is a data transmission unit, which is commonly understood as a piece of hardware used to transmit data. Since it is used to transmit data, it can be regarded as a pipe,…

The wireless communication module is the information portal for all types of smart terminals to access the Internet of Things. It is a key link connecting the perception layer and network layer of the Internet of Things. It is the…

Most of the modules involved in the Internet of Things are wireless communication modules. The function of the wireless communication module is to connect things with each other, allowing various Internet of Things terminal devices to achieve information transmission capabilities,…

ZHC4012 is a seven-mode full network industrial-grade wireless data transmission terminal. It is designed to fully meet industrial standards and the needs of industrial users. It uses high-performance QUECTEL EC20 communication chip, software multi-level detection and hardware multi-protection mechanisms. Improve…

The main function of 4G DTU is to transmit data from remote devices back to the background center wirelessly. Taking ZHC4921 of Zongheng Intelligent Control as an example, remote devices can be connected to the network to achieve remote operation…

The transmission mode application of the telemetry terminal RTU has four working modes: self-reporting, compatibility, query, and debugging. 1. Self-reporting working mode of telemetry terminal RTU When an event is triggered (the value of the measured element changes to a…

All Netcom DTU is an industrial-grade wireless data transmission terminal that provides users with the function of TCP transparent wireless long-distance data transmission or UDP transparent wireless long-distance data transmission. It supports the cellular networks of the three major operators…

Analog quantity is a common signal point in the industrial control industry. Its function is to convert the value of physical quantity into an electrical signal. Analog output is basically used to control execution equipment, such as controlling the opening…

The industrial wireless gateway ZHL4921 independently developed by Zongheng Intelligent Control adopts an industrial-grade high-performance embedded structure and has a professional integrated design of data collection and transmission for intelligent manufacturing, industrial automation and other fields. The gateway supports RS485/RS232/DI/AI/DO/LAN…

The wireless data transmission module mainly uses RS485 communication method to transmit wired collection end data to the module, and then transmits the data through wireless transmission to realize data transmission between wired devices and wireless devices. The wireless data…