How to Set Up Modbus TCP Communication for Siemens PLC S7-200SMART

How to Set Up Modbus TCP Communication for Siemens PLC S7-200SMART

Modbus TCP is a traditional and widely used communication protocol that is supported by numerous intelligent devices. Siemens’ S7-200SMART, 1200, and 1500 series all provide free support (while the 300 and 400 series incur high fees), and they are presented in the form of a standard library, making operation quite convenient. Next, I will briefly … Read more

Combining Python and C++ in Embedded Systems

Combining Python and C++ in Embedded Systems

Embedded systems are an indispensable part of modern technology, widely used in fields such as Internet of Things (IoT) devices, smart homes, industrial automation, and automotive electronics. The core requirements of embedded systems include high performance, low power consumption, real-time response, and rapid development capabilities.Python and C++ are two programming languages widely used in embedded … Read more

Unveiling Mitsubishi PLC: Why It Is the Darling of the Industry?

Unveiling Mitsubishi PLC: Why It Is the Darling of the Industry?

Click the blue text to follow us The Advantages of Mitsubishi PLC Powerful Functions: Mitsubishi PLC has powerful control capabilities, allowing for various complex logic control, sequential control, timing control, counting control, and more. Additionally, it features a rich variety of input and output types to meet diverse control requirements. High Reliability: Mitsubishi PLC adopts … Read more

PLC Programming: The Core Tool of the Industrial Intelligence Era

PLC Programming: The Core Tool of the Industrial Intelligence Era

Click the blue text to follow us In today’s wave of industrial intelligence, PLC (Programmable Logic Controller) plays a crucial role as a core tool in the field of industrial automation. Through PLC programming, industrial production lines can achieve intelligent and precise control, thereby improving production efficiency, reducing costs, and realizing the goal of intelligent … Read more

How to DIY an Edge Computing PLC with Raspberry Pi?

How to DIY an Edge Computing PLC with Raspberry Pi?

Search on WeChat Technical Training Editor’s Note: By chance, I learned that Raspberry Pi can also be related to PLCs in industrial applications, and there are some mature solutions. I found this quite interesting and thought it could be popularized. Thus, we have this series of articles today. Starting from today, we will successively publish … Read more

Typical Applications of Jihai APM32F407

Typical Applications of Jihai APM32F407

A PLC (Programmable Logic Controller) is a digital electronic system used for controlling, executing, and monitoring automated machinery. It is widely applied in various fields such as building equipment control, water treatment, energy, and industrial automation, forming a large market scale. With the development of the “New Four Modernizations” in automotive electronics, the growth rate … Read more

Essential Knowledge: PLC Basic Structure and Working Principle

Essential Knowledge: PLC Basic Structure and Working Principle

As a type of industrial control computer, 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 the figure, the PLC … Read more

12 Major Applications of Edge Computing in the Next Trillion-Dollar Market

12 Major Applications of Edge Computing in the Next Trillion-Dollar Market

The emergence of the Internet of Things and artificial intelligence has led to profound transformations across various industries. The technological upgrade from cloud to edge has also imposed new requirements on different sectors. According to data from the well-known organization IDC, it is estimated that by 2025, about 75% of data will be generated and … Read more

Complete Guide to RS-485 Interface Circuit

Complete Guide to RS-485 Interface Circuit

This design guide discusses how to design RS-485 interface circuits. The necessity of balanced transmission line standards is discussed, along with an example of process control design. The article also discusses line load, signal attenuation, fault protection, and current isolation under various headings. 1. Why Balanced Transmission Line Standards Are Necessary The focus of this … Read more

Common Communication Interfaces and Protocols of PLCs

Common Communication Interfaces and Protocols of PLCs

Difference Between RS232 and RS485 Interfaces 1. Physical Structure of the Interface 1. RS232 Interface One of the computer communication interfaces, typically the RS-232 interface appears in the form of 9 pins (DB-9) or 25 pins (DB-25). Generally, personal computers have two sets of RS-232 interfaces, referred to as COM1 and COM2. 2. RS485 RS485 … Read more