Autor: iot-de (page 146)

Introduction: ZHC4661 is an industrial-grade 4G DTU that provides 4-channel AI, 2-channel AO and 1-channel RS485 interfaces. It supports Modbus RTU/TCP adaptation, automatic collection and active reporting, 4~20mA analog control collection, and automatic calibration threshold reporting. Other special functions include…

Communication technologies in the Internet of Things include long-distance communication and short-distance communication. This article will talk about short-distance communication networking technology. As the wireless communication technology of the Internet of Things continues to innovate, we commonly see short-distance wireless…

What is the difference between broadband and narrowband? How should we choose broadband and narrowband in project use? Before talking about choice, let’s first understand what broadband and narrowband are. Understand the concepts first, and then make targeted choices. What…

In 5G communications, base stations are large power consumers, and about 80% of energy consumption comes from widely dispersed base stations. It is predicted that by 2025, the communications industry will consume 20% of the world’s electricity. The power consumption…

Serial server module selection Product: Analog collector Model: ZHC1661 Number of interfaces: 1RS485/4AI/2AO Functions: Supports 4-way Socket, Modbus RTU/TCP adaptive, 4-20mA analog automatic reporting, 12-bit sampling accuracy, AO remote following AI, configuration cloud real-time monitoring PLC, automatic IP address acquisition,…

Serial server module: The serial port server module developed by Zongheng Intelligent Control has many product functions and rich interfaces. Supports 4-way Socket, 12-bit sampling accuracy, AO remote following AI, configuration cloud real-time monitoring PLC, automatic IP address acquisition, DNS…

Product Image Interface Type Network Type Interface: 1RS485 4G full network communication Interface: 1RS485, 1RS232 4G full network communication rs485 module The rs485 module is used to convert serial port rs485 data into IP data, or convert IP data into…

Analog module The analog module is also called an analog collector or analog acquisition module, and is often used to collect sensor data. For example, the analog module of Zongheng Intelligent Control supports the collection of 4~20mA and 0~20mA. It…

Product Features Product features: (1) Provides a variety of interfaces, analog and switch value acquisition, including DI, DO, AI and RS485 interfaces; (2) Supports 4-way Socket, and 4-way Socket can work in different working modes at the same time; (3)…

Gateway Introduction What is a gateway? In layman’s terms: it refers to the “gateway” that connects this network to another network. Everyone knows that to walk from one room to another, you must pass through a door. Similarly, sending information…