October Course Schedule As a type of industrial control computer, the PLC has a structure similar to that of a regular computer; however, due to different usage scenarios and purposes, there are some structural differences. Hardware Components of PLC The basic structural block diagram of the PLC hardware system is shown in the figure. In … Read more
In PLC, there are three main quantities: digital signals, analog signals, and pulse signals. Once you understand the relationship between these three, you can master PLC proficiently. 01 PLC Programming Algorithms (1) 1. Digital signals, also known as logic signals, refer to values that can only be 0 or 1, ON or OFF. This is … Read more
Search on WeChat Technical Training As a professional in the automation industry, you should have heard of structured programming to some extent. So, what is structured programming? It is the process of breaking down complex automation tasks into smaller, reusable sub-tasks that correspond to process functions, making it easier to handle and manage these complex … Read more
1. Siemens LOGO and S7-200 are ultra-compact PLCs suitable for single-machine control or small system control, applicable in various industries and scenarios for automatic detection, monitoring, and control. S7-300 is a modular small PLC system that can directly control equipment and monitor multiple lower-level programmable controllers. It is also suitable for medium or large control … Read more
Electrical Engineering Learning Network: https://www.dgdqw.com Follow the official WeChat account of the Electrical Engineering Learning Network “Electrical Engineering and Electrical Learning” to gain more experience and knowledge. A Programmable Logic Controller (PLC) is a digital operation electronic system designed specifically for industrial environments. It uses a programmable memory to store instructions for executing logic operations, … Read more
01 Start-Stop Control Circuit Control Requirement: Press the start button (I0.0 is ON), Q0.0 is ON; press the stop button (I0.1 is OFF), Q0.0 is OFF. The ladder diagram is shown in Figure 1. Figure 1: Start Priority 02 Interlocking Control Circuit In the interlocking circuit shown in Figure 2, I0.0 and I0.1 are the … Read more
Search on WeChat Skill Training The Programmable Logic Controller (PLC) is a type of programmable memory used to store programs internally, execute logical operations, sequential control, timing, counting, and arithmetic operations based on user commands, and control various types of machinery or production processes through digital or analog input/output. Today, we have organized a comprehensive … Read more
Search on WeChat Technical Training PLC Programming Algorithm (1) In PLC, there are mainly three types of quantities:Switching Quantity, Analog Quantity, Pulse Quantity. Understanding the relationship between these three will allow you to master PLC proficiently. 1. Switching Quantity, also known as logical quantity, refers to only two values, 0 or 1, ON or OFF … Read more
Introduction PLC comes in various sizes, hence its control range can also vary. Smaller PLCs might only control a single device, or even a component at a site; larger ones can control multiple devices, an entire production line, or even an entire factory. It can be said that PLCs are indispensable in both large and … Read more
Search on WeChat Technical Training Can learning PLC be beneficial? Yes! It can lead to projects and income! So how can one undertake a project? What skills and knowledge are required? Today, let’s discuss these topics. Different PLC models carry different project scopes. Siemens S300/400 PLCs and S1500 PLCs are considered medium to large PLCs, … Read more