Author: Free and Open Lake AI What Is MQTT Used For? MQTT is a lightweight messaging protocol typically used for IoT devices that are designed to be energy-efficient and consume minimal bandwidth. The MQTT protocol runs over TCP/IP and is based on a lossless two-way publish-subscribe model, ensuring that MQTT messages are transmitted efficiently and … Read more
01 EtherCAT Bus Protocol 1 EtherCAT System Composition EtherCAT (Ethernet for Control Automation Technology) is an open architecture fieldbus system based on Ethernet, consisting of one master device and multiple slave devices. The master device uses a standard Ethernet controller, ensuring good compatibility; any computer with a network interface card and embedded devices controlled by … Read more
1 Introduction With the rapid growth of decentralized structures in manufacturing automation and process automation, the application of field buses is becoming increasingly widespread. It facilitates data transmission between digital and analog input/output modules, intelligent signal devices, and process control devices with PLCs/PCs, dispersing I/O channels to field devices located nearby as required. This reduces … Read more
Profibus-DP Communication Protocol 1. Overview PROFIBUS – DP stands for Decentralized Periphery, which is a type of computer electronic component. It features high speed and low cost, used for communication between device-level control systems and decentralized I/O. It, along with PROFIBUS-PA (Process Automation) and PROFIBUS-FMS (Fieldbus Message Specification), forms the PROFIBUS standard. 2. Basic Information … Read more
PROFIBUS Communication 1. Overview PROFIBUS is a fieldbus standard used in automation technology, promoted in 1987 by Siemens and fourteen other companies along with five research institutions. PROFIBUS stands for PROcess FIeld BUS. PROFIBUS and PROFINET, used in industrial Ethernet, are two different communication protocols. 2. Origins The history of PROFIBUS can be traced back … Read more
PROFIBUS (Process Field Bus) is the iconic protocol in the field of industrial fieldbus communication, fundamentally changing the way communication occurs in traditional industrial environments. This article will delve into this important industrial communication technology, helping readers gain a comprehensive understanding of the working principles and practical applications of PROFIBUS. The Past and Present of … Read more
This video tutorial shares knowledge related to the CANopen protocol stack, covering a lot of content. Additionally, the H7-TOOL CANopen parsing function has been officially released. Video Tutorial (Set to 1080p for best view): Video Outline:References:1. CANopen example routine templates and dictionary tools based on V7, using the CANFD2 interface. Next video will share V5, … Read more
This article is a popular science introduction to LoRaWAN. You have probably seen countless superficial articles about LoRaWAN in your social circles, and it’s time to get some real technical insights. This article first provides a horizontal introduction to the forces behind LoRaWAN and its network deployment situation, and then offers a vertical explanation of … Read more
PLC Programming Thinking for Experts How to Design Modular Upper Computers? Why is there such a big difference in the situation of engineers in China and abroad? Learn TIA Portal SCL Programming Easily: Structured Variables Understand S7-1500 PLC Reading and Writing SQL Microsoft Database in Seconds CAN (Controller Area Network) is a serial communication network … Read more
Follow our public account, click the top right corner of the homepage “ ··· ”, set a star mark, and get real-time updates on the latest news in intelligent automotive electronics and software. 1. Introduction to LIN 1.1 What is LIN? LIN (Local Interconnect Network) bus is a low-cost serial communication protocol defined for automotive … Read more