business communication

Embedded Development – Detailed Explanation and Application of CAN Protocol (Part 1)

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Embedded Development - Detailed Explanation and Application of CAN Protocol (Part 1)

Click the blue words Follow us 1. Introduction to CAN Background of the CAN Protocol In the 1980s, the number of electronic control units (ECUs) in automobiles gradually increased, and traditional point-to-point electrical communication methods were becoming inadequate. The point-to-point connections between each electronic control unit and other devices made system wiring complex, costly, and … Read more

Embedded Development – Detailed Explanation and Application of CAN Protocol

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Embedded Development - Detailed Explanation and Application of CAN Protocol

Click the blue text Follow us Bit Time and Bit Synchronization in CAN Communication In CAN communication, Bit Time refers to the time required to transmit one bit on the bus, which is the reciprocal of the CAN bus communication rate (baud rate). CAN communication ensures reliable data transmission by sampling and synchronizing the signal … Read more

Principles of Embedded Communication Protocols

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Principles of Embedded Communication Protocols

Serial communication methods such as ART, SPI, and I2C are very common in embedded development. The underlying principles of these communications are not difficult, but many beginners struggle to understand them. Today, I will share some common underlying data transmission principles of these communication methods. 1UART Serial Port UART: Universal Asynchronous Receiver/Transmitter. The UART serial … Read more

Epson Robot Controller Program Backup Download

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Epson Robot Controller Program Backup Download

01 — Communication Connection Method 1.1 Connect the EPSON controller to the computer via USB cable 1.1.1 Open the EPSONRC+7.0 software, connect the controller using the USB cable, and stop the robot using the HMI. 1.1.2 Click ‘Settings’ – ‘Communication between Computer and Controller’. 1.1.3 Select ‘USB’ – ‘Connect’. 1.1.4 Choose the second option ‘Switch … Read more

Transforming ABB Robot Controller into a Switch

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Transforming ABB Robot Controller into a Switch

1. The ABB robot controller has several network ports, defined as follows: 2. The several network ports within the Private Network essentially function as different ports of a switch. 3. By default, the Lan3 port is isolated, as shown in the image below. At this point, you can configure an IP for the LAN3 port … Read more

3 Key Points for Choosing Industrial Controllers in IIoT Era

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3 Key Points for Choosing Industrial Controllers in IIoT Era

In the era of the Industrial Internet of Things (IIoT), when selecting controllers for industrial automation applications, it is essential to consider not only basic parameters but also data processing, communication, and high-speed control functionalities. Most industrial controllers, such as Programmable Logic Controllers (PLCs) and Programmable Automation Controllers (PACs), can handle basic functions like real-time … Read more

Simple and Convenient RS-232, RS-485, and RS-422 Conversion Solutions

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Simple and Convenient RS-232, RS-485, and RS-422 Conversion Solutions

In industrial applications, there are many bus application scenarios, such as the conversion between RS-232 and RS-485 with bidirectional isolation, and the sharing of RS-485 and RS-422 interfaces. This article will introduce solutions for such applications that are not only simple and convenient but also improve communication reliability. High-Performance RS-232 to RS-485 Bidirectional Conversion Circuit … Read more

Choosing RS-485 Bias and Termination Resistors

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Choosing RS-485 Bias and Termination Resistors

RS-485 automatic transceiver circuits are favored because they use one less I/O pin compared to circuits with control pins, making them more popular in resource-constrained master control scenarios. How does the automatic transceiver achieve automatic sending and receiving, and what factors should be considered when selecting bias and termination resistors? RS-485 Automatic Transceiver Principle The … Read more

Why RS-485 Requires Isolation?

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Why RS-485 Requires Isolation?

Follow+Star Public Account to not miss exciting content Compiled by | strongerHuang WeChat Public Account | Embedded Column RS-485 is a physical layer bus design standard in industrial and instrumentation applications, which has become one of the most widely used standard communication interfaces in the industry. This communication interface allows for multipoint bidirectional communication over … Read more

A Detailed Overview of RS-485 Bus

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A Detailed Overview of RS-485 Bus

Follow and StarEmbedded Inn, Exciting News Delivered Promptly [Introduction] Hello everyone, I am Yijun. In the previous article, I summarized the industrial HART bus. Today, let’s talk about the RS-485 bus. RS-485 is also a widely used communication interface. This article will discuss the key points; it is a bit long, about 5000 words. History … Read more