The CAN protocol and MODBUS protocol are among the various protocols frequently used by engineers. Today, let’s take a look at the differences between the two. CAN and MODBUS are two communication protocols widely used in industrial control, automotive electronics, and other fields. They have significant differences in design goals, communication methods, and application scenarios, … Read more
Modbus to Profinet Protocol Gateway and Mini Air Quality Monitoring System The Modbus to Profinet gateway is an important device for converting different industrial communication protocols, playing a key role in industrial automation systems, enabling seamless communication between Modbus protocol devices and Profinet protocol systems. Meanwhile, the ARX – MA100 mini air quality monitoring system … Read more
Free for commercial use! A low-code visual development platform for industrial web with over 1500 components. Too many pitfalls with Modbus? This open-source tool is the best! Incredible! This tool solves Modbus issues in one stop! In the current field of industrial automation, Modbus is a common communication protocol, and the upper computer, as an … Read more
In the field of industrial IoT and industrial control, it is inevitable to deal with Modbus devices, and debugging and managing these devices can often be complex and frustrating. OpenModScan, an open-source and free tool, addresses this pain point! If you need to quickly debug Modbus devices and easily parse data, this tool is your … Read more
In our line of work, we often encounter situations where the equipment is compact, and adding a PLC is unnecessary, yet we still want to control servos. In fact, you can achieve this directly using a Wecon touch screen with Modbus communication! Today, using Huaxin servos as an example, I will walk you through the … Read more
01Introduction: Let’s start with the correct code. We will use a six-byte array for testing: [0x0a, 0x03, 0x02, 0x00, 0x00, 0x16]. 02Function and Results 1. Function // Example with 0a 03 02 00 00 16 var buffer = [0x0a, 0x03, 0x02, 0x00, 0x00,0x16]; // Call the function to calculate the CRC checksum var crc = … Read more
Click on the blue text above to intuitively learn about machinery and subscribe to us for long-term updates. I have previously worked on microcontroller and Modbus RTU serial communication for the following 20 types of PLCs. Here, I share the mapping of these PLC input, output, and register components to their corresponding Modbus address. Mitsubishi … Read more
PLC Network Communication Technology is the core technology for achieving device interconnection, data exchange, and remote control in modern industrial automation. Through network communication, PLCs can efficiently exchange data with host computers, other PLCs, HMIs (Human-Machine Interfaces), sensors, actuators, and other devices, thereby enabling the integration of complex control systems. Below is a detailed overview … Read more
The following is a detailed installation and usage tutorial for Modbus Poll v4.3, Modbus Slave v4.3, and the virtual serial port driver, including actionable specific steps: 1. Software Download and Installation 1. Virtual Serial Port Driver (VSPD 6.9) Download link:https://gitee.com/ylm1101111/vspd_6.9.git Installation steps: 1)Runvspdconfig.exe installation package. 2)Click “Next” until the installation is complete. 3)Open the software … Read more
RS-485 is a differential serial communication standard established by the Electronic Industries Alliance (EIA) in the United States, specifically designed for multi-node, long-distance, and high-interference industrial communication scenarios. Its core advantages include support for half-duplex/full-duplex communication, multi-point bus topology, and strong noise immunity, making it widely used in industrial automation, smart buildings, power systems, and … Read more