Must-Read Books for Learning PLC (E-book Download Link) The inverter circuit board mainly includes the power board, control board, driver board, and panel. 1. Resistor Resistors are represented by the letter R on the circuit board, with units including: ohms (Ω), kilohms (KΩ), megohms (MΩ). Resistor symbols include: 1. Fixed resistors, adjustable resistors, special resistors … Read more
Hello everyone, I am Da Yi, and today we are going to talk about the serial communication protocol between microcontrollers (MCU) and PLCs. When it comes to serial communication, many of you might feel confused, but don’t worry, I will clarify everything shortly. What is Serial Communication?Communication is everywhere; for example, the way you and … Read more
Introduction In the field of industrial automation, the touch screen host computer plays a crucial role as an important interface for human-machine interaction. While traditional PLC-mounted touch screens are powerful, they have certain limitations in flexibility and scalability. To meet the demand for efficient and flexible control in modern industrial automation, this article will introduce … Read more
Whether it’s programming for a single device’s automation control or developing programming for complex automated assembly production lines, CODESYS can meet the programming development needs of various automation applications in the discrete manufacturing industry’s smart factories. CODESYS supports five programming languages that comply with the IEC 61131-3 international standard and CFC language, providing various professional … Read more
In the wave of intelligent manufacturing and “Industry 4.0”, industrial automation is upgrading from dedicated hardware PLCs to flexible programmable software platforms. As the core control unit of factory automation, PLCs play a fundamental supporting role in achieving the goals of intelligent interconnection and flexible production required by “Industry 4.0”. The performance upgrade of PLCs … Read more
The PLC programs in automation control systems often encapsulate years of technological accumulation and core algorithms of enterprises. As industrial competition intensifies, protecting PLC programs from illegal copying and theft has become an important issue in the field of industrial automation. This article introduces a Siemens PLC program encryption solution practically applied at the Aerospace … Read more
After many years of experience in the automation industry, one of the most frustrating issues is the problem of program piracy. Today, I will discuss the encryption and protection solutions for Siemens PLC programs, helping everyone better protect their intellectual property. 1 The Necessity of Encryption There have been too many similar situations encountered on-site: … Read more
Encryption Algorithms: Data Security Assurance for Microcontrollers and PLCs In industrial automation systems, data security is a critical issue that cannot be ignored. Whether it is a microcontroller or a programmable logic controller (PLC), they often need to handle and transmit important data such as production parameters, quality records, and machine status. If this data … Read more
PLC controllers, also known as Programmable Logic Controllers, are electronic devices designed specifically for digital computation operations in industrial production. Why is the PLC controller considered the core force of industrial control systems? Because it can achieve various controls and connect to computers for communication. What control functions can the PLC controller achieve? There are … Read more
▼ Click the card below to follow me ▲ Click the card above to follow me Recently, while working on an automation upgrade at a beverage bottling plant, I found that many engineers still have numerous questions about Siemens PLCs. Today, let’s discuss the core knowledge of Siemens PLCs to help everyone quickly get started … Read more