Fundamental Knowledge of RS232/485 Serial Communication Every Electrical Engineer Must Know!

Fundamental Knowledge of RS232/485 Serial Communication Every Electrical Engineer Must Know!

Data transmission between computers or between a computer and a terminal can be achieved using serial communication and parallel communication. Due to the advantages of serial communication, such as fewer lines and lower costs, especially in long-distance transmission, it has been widely adopted to avoid inconsistencies in multiple line characteristics. In serial communication, both parties … Read more

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

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

In-Depth Analysis of RS232, RS485, Serial Ports & Handshaking

In-Depth Analysis of RS232, RS485, Serial Ports & Handshaking

1. Basic Knowledge of RS232 Data transmission between computers or between a computer and a terminal can be achieved through two methods: serial communication and parallel communication.Serial communication is widely adopted due to its lower cost and fewer lines used, especially in remote transmission, which avoids inconsistencies in multiple line characteristics. In serial communication, both … Read more

What Are the Differences Between RS232, RS422, and RS485 Serial Communication?

What Are the Differences Between RS232, RS422, and RS485 Serial Communication?

Hello everyone, we are the Low Voltage Industry Network! RS232, RS422, and RS485 have always been common interfaces in the low voltage industry. Many friends have mentioned the differences between them. In this issue, the Low Voltage Industry Network will summarize the main differences, which can be categorized into six aspects. Let’s take a look. … Read more

RS232-RS485-USB to Fiber Optic Signal – Gateway Converter – HD67072

RS232-RS485-USB to Fiber Optic Signal - Gateway Converter - HD67072

RS232-RS485-USB to Fiber Optic Signal—Gateway Converter–HD67072 Author: Zou Wuyi Mobile185-020-77899 Email: [email protected] 1 Product Features: The standards can be mixed and matched, allowing RS-232 devices to connect with RS-485 devices, or USB devices to communicate with RS-485 devices, or RS-232 devices to communicate with USB devices through replacement converters and isolators. Fiber optic lines are … Read more

Understanding the Differences Between RS232 and RS485 Communication Buses

Understanding the Differences Between RS232 and RS485 Communication Buses

Overview of RS232 The RS-232 interface complies with the serial data communication interface standard established by the Electronic Industries Alliance (EIA). The original designation is EIA-RS-232 (abbreviated as 232, RS232). It is widely used for connecting computer serial interface peripherals. This includes connection cables as well as mechanical, electrical, signal, and transmission processes. The RS-232-C … Read more

Application of PROFIBUS in Electric Control of Oil Drilling Rigs

Application of PROFIBUS in Electric Control of Oil Drilling Rigs

In the electric control system of oil drilling rigs, PROFIBUS serves as an advanced industrial communication protocol, providing a stable and reliable communication platform for the automation control of drilling rigs. PROFIBUS has been widely used in electric drive systems due to its mature technology, high reliability, and modular functionality. It can connect various sensors, … Read more

Embedded Communication—Detailed Explanation of UART, RS232, and RS485 Protocols

Embedded Communication—Detailed Explanation of UART, RS232, and RS485 Protocols

Click the Blue Word Follow Us UART (Universal Asynchronous Receiver/Transmitter) is a widely used serial communication protocol, typically used for communication between computers and peripherals. It is a general-purpose serial, asynchronous communication bus with two data lines that enable full-duplex transmission and reception. UART is a serial communication protocol that transmits data bytes bit by … Read more

Understanding RS232, RS422, and RS485 Serial Communication Standards

Understanding RS232, RS422, and RS485 Serial Communication Standards

The most comprehensive free industrial control software is here! Want to engage with me? (Click the red text above to get the materials for free) RS-232, RS-422, and RS-485 are serial data interface standards. RS-232 is the most widely used serial interface for PCs. It is defined as a single-ended standard for increasing communication distance … Read more

Differences Between RS232 and RS485 Interfaces

Differences Between RS232 and RS485 Interfaces

RS232 and RS485 have always been common interfaces in low voltage applications. Many people mention the differences between them, so today let’s learn about them together. 1. Physical Structure of the Interface 1. RS232 Interface: One of the computer communication interfaces, RS-232 usually appears in the form of 9 pins (DB-9) or 25 pins (DB-25). … Read more