Wiring Diagram for Car Back-and-Forth MovementI/O Allocation Table Ladder Diagram ProgramPLC Wiring DiagramProgram Debugging and Result AnalysisControl Platform Operation PanelPress SB2 (click i0.0f) to connect I0.0, then Q0.0 outputs, and the car moves to the right (corresponding indicator Q0.0 lights up);When the car touches the right limit switch SQ2 (click i0.4f to simulate pressing), I0.4 … Read more
[Note: The following content is based on the simulation programming of Huichuan PLC (easy52x) using AutoShop. Other brands of PLCs may vary slightly. This article aims to help you quickly get started with STL and SFC programming.] Recommended Learning Sequence Ladder Diagram –> STL Step Ladder Diagram –> SFC Sequential Function Chart STL Step Ladder … Read more
In the field of industrial automation, PLCs (Programmable Logic Controllers) serve as core control devices, and their programming capabilities directly determine the stability and efficiency of automation systems. This article presents a classic case of material handling cart control program design, showcasing the programming ideas and practical techniques of the Mitsubishi FX series PLC from … Read more
Using Xinjie PLC 1. Familiarization with Software and Understanding PLC Learning Content Usage of Xinjie PLC Programming Tool Software. Understanding the difference between PLC running and stopping modes, and the scanning method of PLC ladder diagram programs. Learning basic instructions, familiarizing with ladder diagram programming (such as addition, subtraction, multiplication, division, input/output, TMR, MOV instructions, … Read more
Click to follow and unlock more industrial control technology knowledge! What is the core of industrial automation? The answer is PLC (Programmable Logic Controller). From automotive production lines to smart warehousing, from food packaging to petrochemicals, this seemingly unremarkable device is controlling every precise action in modern industry. Today, we will quickly master 15 core … Read more
Overview: Two Categories of Five Languages Graphical Languages (Intuitive, similar to drawing) Ladder Diagram (LD) – The most commonly used, suitable for logic control. Function Block Diagram (FBD) – Suitable for process control. Sequential Function Chart (SFC) – Suitable for sequential processes. Textual Languages (Similar to writing code) Structured Text (ST) – Powerful, suitable for … Read more
Detailed Explanation of Ladder Diagram Programming and Simulation Debugging Have you ever wondered how those large and precise automated production lines in factories achieve synchronized and accurate operations? The “brain” behind all this is the PLC (Programmable Logic Controller). Ladder diagrams, as the most classic and intuitive programming language for PLCs, are the key for … Read more
The most frequently used PLC programming languages currently are Structured Text and Ladder Diagram. For technicians with little background, starting with Ladder Diagram is the quickest way to learn PLC programming. Regardless of the PLC brand, the structure of Ladder Diagrams closely resembles actual electrical control circuits. Below, we recommend several commonly used control circuits … Read more
Keywords: Ladder Diagram, Programming Basics, Motor Start/Stop, Self-Locking, Program Download Introduction After getting acquainted with the hardware of the PLC, we are finally going to start “programming”! This article will guide you through a classic introductory experiment: Motor Start/Stop Control. Through this example, you will understand how PLC programs work and learn to use the … Read more
1. Wiring according to the diagram is the highest principle, and this cannot be overstated. First, before wiring, one must carefully read the drawings and fully understand the designer’s intentions, rather than relying on personal so-called rich experience. If any unclear or contradictory points are found, one should immediately contact the designer for confirmation, and … Read more