Exhibition: The 22nd China International Industrial Fair (CIIF2020) Time: September 15-19, 2020 Location: Shanghai National Convention and Exhibition Center (No. 333 Songze Avenue) Booth number: 2.1H-C031 Exhibition details China International Industry Fair (hereinafter referred to as “China Industry Fair”) is organized by the Ministry of

What is serial port parallel, serial port connection 2020-08-10 18:19: 13Zongheng Intelligent Control 4 Parallel and serial interfaces (1) Serial and parallel mainly consider the number of communication lines, which is the amount of information that the sender and receiver can transmit at the same

LoRa features and introduction LoRa is a type of short-distance communication in the Internet of Things. Not all scenarios are suitable for LoRa. So before understanding the applications of LoRa, let’s first talk about some characteristics of LoRa. ◆Transmission distance: up to 2-5 Km in

What is a serial port communication protocol? There are several common ones. 2020-08-11 17:55:30 Zongheng Intelligent Control 5 What is a serial communication protocol? In layman’s terms: it is the protocol transmission method used in serial communication. The explanation in professional terms is: the data

Introduction: ZHC4921 is an industrial-grade 4G RTU that provides 4 channels of DI, 4 channels of DO, 4 channels of AI and 1 channel of RS485 interfaces. It supports local logic processing operations, automatic collection and active reporting, Modbus RTU/TCP adaptation, and automatic calibration thresholds.

What is GPRS? The full name of GPRS DTU is GPRS data transmission unit. Currently, there is no specific name in China, and there is no clear agreement. Some people also call it data transmission terminal, data collection terminal, etc. The function of GPRS DTU

The difference between serial port and parallel port 2020-08-13 14:12: 14Zongheng Intelligent Control 6 serial port The serial port is also called a serial port. Compared with the transmission speed of the parallel port, the transmission speed of the serial port is relatively low. Commonly

What is simplex and full-duplex communication? 2020-08-14 10:30:48 Zongheng Intelligent Control 3 What is simplex and full-duplex communication? Simplex means one direction, and duplex means both parties send and receive at the same time. They can only send and receive in one direction at the

Anyone who has been in contact with the Internet of Things should often hear this word – baud rate. For engineers, this must be very familiar, but for students who are just beginning to understand the Internet of Things, it is relatively unfamiliar. Let’s clear

The difference between embedded and microcontroller development models The difference between development models Single-chip microcomputer: Most of the development is bare metal, the program size is small, and most are independently developed by a single programmer. Some complex products also use high-end microcontrollers such as

4g dtu test, use Anxin to conduct transparent transmission test 2020-07-22 12:17:08 Azir 5 Each company’s 4G DTU configuration software on the market is different. This article takes the 4G DTU of Zongheng Intelligent Control as an example to achieve simple transparent transmission settings through

Introduction to the MODBUS standard over serial links and TCP/IP 2020-07-28 17:55:22 Zongheng Intelligent Control 3 The standard includes MODBUS application layer protocols and service specifications used in two communication procedures: ● MODBUS on serial link MODBUS serial links depend on TIA/EIA standards: 232-F and