In-Depth Explanation of Common RS-485 Bus

In-Depth Explanation of Common RS-485 Bus

Past and Present RS-485, what does RS mean? It is an abbreviation for Recommended Standard, which means a recommended standard. 485 is the standard identification number, and there is no need to delve into why this identification number is set. RS-485 is also known as ANSI/TIA/EIA-485, these prefixes are abbreviations of standard associations’ names, for … Read more

Impact of Capacitive Coupling on RS-485 Signal Quality

Impact of Capacitive Coupling on RS-485 Signal Quality

The RS-485 bus is widely used in industrial environments, which may experience high levels of electrostatic or surge interference. Engineers typically use gas discharge tubes and TVS diodes to build protective circuits. However, these circuits have a high junction capacitance, which, if improperly applied, can affect communication. This article will introduce a low junction capacitance … Read more

Why RS-485 Requires Isolated Communication

Why RS-485 Requires Isolated Communication

Click the card above to follow for more information RS-485 is a physical layer bus design standard in industrial and instrumentation applications, and has become one of the most widely used standard communication interfaces in the industry.This communication interface allows for multipoint bidirectional communication over a simple pair of twisted wires, and its noise suppression … Read more

Detailed Overview of RS-485 Bus

Detailed Overview of RS-485 Bus

A previous article summarized the industrial HART bus, and today we will discuss the RS-485 bus. RS-485 is a widely used communication interface, and this article will cover the key points in detail, with a length of about 5000 words. The Past and Present RS-485, what does RS mean? It stands for Recommended Standard, which … Read more

Common Misconceptions in RS-485 Wiring

Common Misconceptions in RS-485 Wiring

The RS485 bus is widely used in various fields such as video surveillance, access control intercoms, and building alarms due to its simple wiring and reliable stability. However, many inaccurate concepts during the wiring process can lead to various issues. Here are some summarized misconceptions. 1. The 485 signal line can be run alongside high-voltage … Read more

How to Solve RS-485 Automatic Transceiver Circuit Application Issues?

How to Solve RS-485 Automatic Transceiver Circuit Application Issues?

Introduction To save MCU I/O resources, RS-485 automatic transceivers are often used, but these types of transceivers encounter some application problems to varying degrees. How can these issues be resolved? This article will reveal the answers from the working principle. Introduction to Automatic Transceiver Circuits and Application Analysis Principle of Automatic Transceiver Circuits The common … Read more

How to Solve RS-485 Auto Transceiver Circuit Application Issues?

How to Solve RS-485 Auto Transceiver Circuit Application Issues?

This article guide The RS-485 bus is a half-duplex communication bus, so it usually requires an MCU to control the transmit/receive state of the RS-485 transceiver. To save MCU I/O resources, RS-485 automatic transceivers have emerged, but these types of transceivers encounter some application issues to varying degrees. How can these issues be resolved? This … Read more

Why Is Isolation Necessary for CAN/RS-485 Bus?

Why Is Isolation Necessary for CAN/RS-485 Bus?

Summary Have you encountered occasional communication errors while debugging with the CAN or RS-485 bus? Or have you been unable to receive data? Did a bus that had been functioning normally suddenly experience widespread errors or node failures? If you are at a loss for these issues, using bus isolation might easily help you resolve … Read more

Choosing RS-485 Transceivers Made Simple

Choosing RS-485 Transceivers Made Simple

Texas Instruments is committed to providing engineers with cost-effective, high-performance, and diverse RS-485 transceiver solutions. Our product line includes devices with various duplex modes, supply voltages, transmission rates, polarities, protection schemes, and packaging types, fully meeting the needs of different application scenarios. Watch the complete video for more valuable insights on TI RS-485 transceiver selection, … Read more

Common Issues with RS-485 Automatic Transceivers

Common Issues with RS-485 Automatic Transceivers

Follow+Star Public Account, don’t miss exciting content Source | ZLG Zhiyuan Electronics RS-485 bus has advantages such as simple structure, long communication distance, high communication speed, and low cost, widely used in industrial communication, power monitoring, and instrumentation industries. Generally, RS-485 transceivers have two pins to control the data transmission direction. What common problems may … Read more