1. Importance of Data Types In PLC programming, data types are like the foundation of a building, determining how data is stored, its range of values, and the rules for operations. Only by accurately grasping data types can we ensure precise data storage, efficient transmission, and correct calculations, thus ensuring the stable operation of the … Read more
Hello everyone, I am Fan Hua. Today, let’s talk about the common mistakes in PLC programming that often trouble beginners. Whether you are a newbie just starting out, or an experienced practitioner, this article will surely provide you with some insights. After all, on the road of automation, who hasn’t stepped into a few pitfalls? … Read more
Click the Basket Word to Follow Us Hello everyone, I am “Uncle”. In this article, we will explore how to achieve automation upgrades in factories using Siemens PLCs (Programmable Logic Controllers). You might think, “PLC sounds complicated, isn’t it just about controlling motor switches?” In fact, the functionality of PLCs goes far beyond that; they … Read more
Functions of PLC Control Cabinets The PLC comprehensive control cabinet has protection functions such as overload, short circuit, and phase loss protection. It features a compact structure, stable operation, and comprehensive functions. It can be combined according to the actual control scale, achieving automatic control with a single cabinet or forming a distributed control system … Read more
Introduction This article is part of a series that includes “What is PLC?” and “Working Modes, Execution Operations, and Principles of Mitsubishi PLC” (click the blue text to view previous articles). Together, these three articles explain the basic knowledge of PLC. This article mainly discusses the classification of PLC, expansion options, programming languages, and performance … Read more
1 PLC (Programmable Logic Controller) application techniques can help improve system reliability, efficiency, and ease of maintenance. Here are some PLC application techniques: Optimize Input/Output Design: Minimize unnecessary input/output points to reduce system complexity and cost. For critical input/output points, use redundant design to improve system reliability. Use appropriate isolation techniques, such as optical isolation, … Read more
PLC control cabinets can adapt to various scales of industrial automation control scenarios. The PLC control cabinet has a compact structure, stable operation, and complete functions. It can be combined according to the actual control scale, achieving both single-cabinet automatic control and multiple cabinets forming a distributed control system (DCS) through industrial Ethernet or fieldbus … Read more
Learn about PLC Using the PLC’s digital output to control the inverter (i.e., connecting the PLC’s digital output directly to the inverter’s digital input, allowing the PLC to control the inverter’s start, stop, forward, reverse, and multi-speed operation at high, medium, and low speeds through programming). Using the PLC’s analog signal to control the inverter. … Read more
CANopen is a high-level protocol based on the CAN (Controller Area Network) serial bus system and CAL (CAN Application Layer). CANopen assumes that connected devices have hardware with a CAN transceiver and a CAN controller that comply with the ISO 11898 standard. The CANopen communication protocol CiA DS-301 includes periodic and event-driven communication, which not … Read more
Recommended Reading: Training on CiA402 Axes for CANopen/ETherCAT Detailed Application Description of CANopen Bus on Codesys Controllers Pure Content | Easily Apply CANopen Communication Protocol in PLC & Servo Why is CANopen Communication So Popular in Servo Control??? Detailed Explanation of CANopen Application in TwinCAT2.1 by Beckhoff PLC The CANopen protocol originated from the CAN … Read more