Communication Protocols

Digital Power Software Interview: How to Answer UART Communication Questions for Microcontrollers?

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Digital Power Software Interview: How to Answer UART Communication Questions for Microcontrollers?

Digital power modules utilize various communication protocols such as I2C, SPI, CAN, and UART, as well as interaction protocols based on these, such as CANopen, SAE 1939, SMbus, PMbus, and Modbus.This article simulates a Q&A regarding knowledge related to UART communication. Question 1: What are the characteristics of UART communication? Answer: Asynchronous communication, low cost, … Read more

Realistic Animation Demonstrating the Communication Processes of I2C, SPI, and UART

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So far, protocols such as I2C, SPI, and UART remain the most commonly used communication protocols in electronic embedded devices. In this article, we will analyze these three protocols to provide a clear and intuitive understanding of their functions, advantages, and limitations, supplemented with GIF animations. I2C Protocol I2C is a serial communication protocol typically … Read more

Embedded – UART-Based Communication Protocols

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Embedded - UART-Based Communication Protocols

The following is an introduction to common communication protocols based on the UART bus: 1. Modbus Protocol (RTU Mode) •Introduction:Modbus is a widely used master-slave communication protocol in industrial control, divided into RTU (Remote Terminal Unit) and ASCII modes, with RTU mode being the most commonly used version of UART. •Features: ◦Binary Transmission：Data is packed … Read more

Unlocking Industrial Automation: Seamless Integration from CANopen to Profinet

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Unlocking Industrial Automation: Seamless Integration from CANopen to Profinet

+ Follow to learn electrical knowledge every day A new Cantonese song with a strong Hong Kong flavor, worth listening to! Unlocking industrial automation through seamless integration from CANopen to Profinet is an important technology in the field of modern industrial automation. Below is a detailed analysis of this technology: 1. Technical Background and Purpose … Read more

MQTT and WebSocket: The Collision and Fusion of Two Communication Methods

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MQTT and WebSocket: The Collision and Fusion of Two Communication Methods

Note: Please be aware that there is a resource download method at the end of the article. Please download and save it as soon as possible to avoid deletion! MQTT and WebSocket: The Collision and Fusion of Two Communication Methods In the world of the Internet of Things (IoT), data transmission is core. When it … Read more

Differences Between MQTT and HTTP Protocols

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Differences Between MQTT and HTTP Protocols

Note: Please be aware that there is a resource download method at the end of the article. Please download and save it as soon as possible to avoid deletion! Differences Between MQTT and HTTP Protocols In the field of the Internet of Things (IoT), the choice of communication protocol is crucial. Today, let’s discuss the … Read more

Practical Analysis of EtherCAT Protocol: Secrets to Achieving Microsecond-Level Synchronization

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Practical Analysis of EtherCAT Protocol: Secrets to Achieving Microsecond-Level Synchronization

Guide to Troubleshooting Industrial Communication Protocols: EtherCAT vs Profinet 0 ▲ A High-Frequency and Underestimated Technical Blind Spot: Port Configuration Errors When Switching Communication Protocols As a veteran in industrial control for ten years, I have seen too many engineers stumble during the selection and debugging of communication protocols. Especially when switching from Profinet to … Read more

Industrial 4.0 Bus – Profibus

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Industrial 4.0 Bus - Profibus

Industrial 4.0 Bus – Profibus What is Profibus? [PROFIBUS] PROFIBUS is a fieldbus standard used in automation technology, promoted in 1987 by Siemens and fourteen other companies along with five research institutes. PROFIBUS stands for PROcess FIeld BUS. PROFIBUS and PROFINET, which is used in industrial Ethernet, are two different communication protocols. PROFIBUS is an … Read more

PROFIBUS: Siemens PLC Distributed Control System Architecture for Building Scalable Automation Platforms

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PROFIBUS: Siemens PLC Distributed Control System Architecture for Building Scalable Automation Platforms

PROFIBUS: Siemens PLC Distributed Control System Architecture for Building Scalable Automation Platforms unsetunsetIntroductionunsetunset In the field of industrial automation, an efficient and reliable communication network is the foundation for building intelligent production systems. PROFIBUS, as a standard fieldbus protocol launched by Siemens, has become an important link connecting various devices and control systems. This article … Read more

Avoid PROFIBUS if Possible! A Simple Comparison of PROFINET and PROFIBUS

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Avoid PROFIBUS if Possible! A Simple Comparison of PROFINET and PROFIBUS

1. Introduction to PROFINET and PROFIBUS PROFINET and PROFIBUS are two fieldbuses launched by the PNO organization, first implemented by Siemens. The two are not comparable; PROFINET is based on industrial Ethernet, while PROFIBUS is based on RS485 serial bus. Due to the different media, the protocols of the two are completely different and have … Read more