1. What is PLC? PLC is an intelligent controller, full name is Programmable Logic Controller. The definition of PLC is: an electronic system designed for digital operation, specifically for use in industrial environments. It uses a type of programmable memory for internal storage of programs, executing logical operations, sequential control, timing, counting, and arithmetic operations, … Read more
Abstract Wireless LAN technology is commonly used in mobile office environments. However, with the development of technologies such as the Internet of Things (IoT) and industrial control systems, wireless LANs are increasingly applied in other fields due to their low cost and high flexibility. At the same time, the openness of wireless networks makes them … Read more
Search on WeChat Technical Training Source of the Pitfall: Poor Load Capacity of Passive RS232 to RS485 Converters If you are an industrial control engineer and often deal with communications, you will inevitably encounter the issue of poor driving capability of passive RS232 to RS485 converters. Previously, I worked on a product in a small … Read more
Over 70,000 friends have followed this industrial control WeChat platform:Technical sharing,Learning exchange,Industrial control videos As industrial control professionals, it is essential for us to understand these concepts, which greatly assist in programming and data communication. RS-232, RS-422, and RS-485 are all serial data interface standards, initially formulated and published by the Electronic Industries Alliance (EIA): … Read more
Introduction As China’s first edge computing industry promotion project, the “Edge Computing Standard Component Plan” was jointly initiated by the China Academy of Information and Communications Technology, the Industrial Internet Industry Alliance, and the Key Laboratory of Internet and Industrial Integration Innovation of the Ministry of Industry and Information Technology, aiming to form an industrial … Read more
Abstract: The pulse generator is widely used in power electronics, motion control, vehicle control, and other applications. It is a fundamental and versatile component for device driving and control. However, the current pulse generator has weak network communication capabilities, which cannot meet high-speed control demands and is difficult to integrate into intelligent manufacturing systems. To … Read more
The field of industrial control security is relatively closed, with few public resources available. I read “Hacking Exposed Industrial Control Systems,” a book from 2016, and selected some chapters for translation as a starting point. MODBUS Modbus is a serial communication protocol created in the late 1970s by Modicon (now Schneider Electric) for use with … Read more
Click the “Technical Training” above and select “Pin to Public Account” Over 150,000 industrial control professionals follow this WeChat platform: technical sharing, learning exchanges, industrial control videos The day before yesterday, I discovered a true fan who comments every day on the articles shared by Technical Training. He suggested that I share some content on … Read more
1. Overview of MODBUS Communication The MODBUS protocol consists of MODBUS protocol over serial links and MODBUS protocol based on TCP/IP. The serial link MODBUS protocol includes MODBUS ASCII (string) and MODBUS RTU. The MODBUS protocol library provided by 200SMART supports MODBUS RTU communication. MODBUS RTU sends data in hexadecimal values. MODBUS ASCII sends data … Read more
Modbus Introduction A brand new, customizable Modbus. This is a version you have never seen before. Easy to port and easy to use, with plenty of comments that you will love. The Modbus protocol is the standard communication protocol for industrial control devices, details can be found in the encyclopedia description. Simply put, the Modbus … Read more