What is Modbus Modbus is a serial communication protocol originally developed by Modicon (now Schneider Electric) in 1979 for communication between programmable logic controllers (PLCs). The Modbus protocol is designed to be simple, easy to deploy and maintain, and due to its openness and lack of copyright requirements, it is widely used in the industrial … Read more
Follow + star the public account, don't miss wonderful content Source | Blog Garden The Internet of Things (IoT) is not just a new technology, but also the integration with old technologies, with communication being the key. Various communication methods are available, but different protocols play an important role in connecting a massive number of … Read more
Follow the “Automation Control System Communication” public account to learn about the principles of automation control systems and master knowledge of automation control systems. Click the blue “Automation Control System Communication” above to follow us. In DCS systems, the Modbus communication protocol is often heard of, while Siemens’ PLC often encounters the PROFIBUS communication protocol. … Read more
In this article, we will briefly understand the device drivers in VxWorks and complete the reverse analysis of the entire firmware main logic, while reproducing the last known vulnerability of the firmware. This article was actually written a long time ago, but was delayed for several days due to the Shandong Provincial Competition… I apologize … Read more
485 Communication Automatic Transceiving Circuit – The Most Detailed Explanation in History (Click to read) 5 Methods for Switching RS-485 Direction and Their Advantages and Disadvantages Analysis (ClickRead) [Guide] 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 … Read more
Selected from IBM Author: Maryam Ashoori Translated by: Machine Heart Contributors: Duxia De IBM has open-sourced a DIY cardboard robot: TJ Bot, inviting bot enthusiasts around the world to create their own personalized bots. Project address: https://github.com/ibmtjbot/tjbot TJ Bot continues the spirit of the maker community; it is a DIY toolkit that allows you to … Read more
1: Control Card Power Supply 24V Power Supply—->24V Power Ground—->GND 2: Three-Color Light Source Light Source 24V(Brown Wire)<——– Control Card 24V Light Source Red, Green, Blue<——– Control Card LT1，LT2，LT3 3: Glue Dispensing Trigger : Guhigh Card 24V ———–> Control CardCom Guhigh Card Ex015 ———> Control Card In1- (Reserved) Guhigh CardEx 02 ——-> Control Card In0- … Read more
Yateli AT32 MCU Forum: https://bbs.21ic.com/iclist-224-1.html *Reading Instructions: The following application cases are briefly introduced without any particular order. For detailed evaluation content and relevant source code, materials, etc., please copy the original link to your browser to view. Evaluation One I2C Collection of MAX30102 Blood Oxygen Data https://bbs.21ic.com/icview-3279602-1-1.html I’ve had the development board for a … Read more
In the field of industrial automation, Programmable Logic Controllers (PLC) play a core role, and their communication capabilities directly affect the efficiency and reliability of the entire system. This article will delve into the commonly used communication protocols for PLCs and analyze their applications in different scenarios. Common Protocols Overview of PLC Communication Protocols PLC … Read more
Follow the public account above,click in the dialog box【Get Course】 to obtain this information (Baidu Cloud Drive Resources) CODESYS Getting Started Course Raspberry Pi Runtime Installation Project Simulation: 1 3. Variable Definition and Data Types 4. MODBUS TCP Slave 5. MODBUS TCP Master 6. Profinet 7. EtherCAT 8. Basic Statements 9. Basic Touch Screen Functions … Read more