(1) Basic Instructions 1. Bit Logic Instructions Normally Open Contact ( -||- ): This instruction detects the input signal; the button is off when not pressed and turns on when pressed. For example, in the logic controlling the machine operation with the start button, pressing the start button closes the normally open contact, and the … Read more
In the field of industrial automation, the PLC (Programmable Logic Controller) is known as the “smart brain” of the equipment, controlling the orderly operation of the entire production process. However, when the indicator light on the PLC panel suddenly lights up, it often indicates that the system has encountered a problem, causing many engineers to … Read more
How to Smoothly Upgrade Siemens PLC Systems? Upgrade Strategies to Minimize Downtime! Hello everyone! Today, let’s discuss an unavoidable topic in factories—PLC system upgrades. Every time the topic of ‘upgrading the PLC system’ comes up, the boss frowns, and when ‘production stoppage’ is mentioned, the finance team gets a headache. However, with the right methods, … Read more
Fault Diagnosis: Common Causes of Siemens PLC Program Freezing and Quick Troubleshooting Methods As an automation engineer, I cannot count how many times I have been called to the site to handle the issue of “the equipment suddenly stopped working.” In most cases, this is related to the PLC program freezing. Today, I will share … Read more
The control system of the electron accelerator requires high precision and reliability. Proper application of Siemens PLC can achieve efficient and stable control, enhancing the performance of the accelerator and the quality of experiments. 1. Hardware Configuration Selection of PLC and Expansion Modules The core of the electron accelerator control system uses the S7-1500 series … Read more
Siemens PLC Programming Debugging Techniques: Shorten Your Project Delivery Cycle by 30% Hello everyone! I am Shui Gong, an engineer with over ten years of experience in the automation industry. Throughout my journey, from being a novice in the workplace to now being able to independently handle the entire process from project design to delivery, … Read more
The automation system for electronic component production requires high precision and stability. Siemens PLC, with its reliability and flexibility, has become the preferred control platform. 1. Hardware Configuration Selection of PLC and Expansion Modules The core control system of the electronic component production line uses the Siemens S7-1500 series PLC, with the main CPU being … Read more
In the global PLC (Programmable Logic Controller) market, giants such as Siemens, Mitsubishi Electric, Omron, Schneider Electric, and ABB have long held dominant positions. Among them, the market leader in 2023 is undoubtedly Siemens, which holds a commanding 40% market share and achieved a revenue of 77.8 billion euros, a year-on-year increase of 11%. Following … Read more
1. Configuration in TIA Portal In TIA Portal, create a new project. This case selects the Siemens S7-300 PLC, model CPU 313C-2DP. This PLC is an integrated PLC with a built-in PROFIBUS-DP port, which can act as a master or a slave. In this case, the PLC acts as the master. Step 1: Add the … Read more
Click the blue textto follow us Introduction This chapter mainly introduces the basic structure and application characteristics of Siemens S7-1200 series Programmable Logic Controllers (PLCs), providing a detailed explanation of its programming environment and applications, along with typical instruction programming methods through examples, and discusses the main issues to consider in PLC application design. The … Read more