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
The differences between CNC and PLC can be seen as a competition for the “strongest brain” in the automation era. On the assembly line of smart factories, CNC machines are carving metal parts with a precision of 0.001mm, while the PLC system coordinates the operation of robotic arms, conveyor belts, and inspection instruments in real-time. … Read more
For beginners in PLC (Programmable Logic Controller), mastering a programming language is a crucial step into the field of automation control programming. Among the various PLC programming languages, Ladder Diagram (LD) is one of the most commonly used due to its intuitive nature and high similarity to relay control circuit diagrams. This article aims to … Read more
The concept of Soft PLC has been around for some time. As early as 2020, when we started offering CODESYS-related courses, we were already using Soft PLC. Nowadays, in the field of industrial control, Soft PLC combined with EtherCAT master can replace most domestic application scenarios. Will Soft PLC replace traditional hard PLC? Indeed, many … 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
When the air conditioner quietly increases the fan speed in the middle of the night, or automatically starts the defrosting program when the outdoor unit frosts over—these seemingly simple actions are backed by a sophisticated industrial-grade control system. It is the “brain” of factory automation production lines: a miniaturized version of a PLC (Programmable Logic … Read more
1. Wiring of PLC and Temperature Sensor 2. Understanding the Basic Parameters of Encoders 3. Meaning of Letter Symbols for Inverter Control Terminals 4. Wiring of PLC and Servo Drive 5. Wiring Diagram of Relay Type PLC Operation 6. Common Special Auxiliary Relays Used in Siemens PLC Programming 7. Differences Between RS232 and RS485 8. … Read more
At the end of this article, there are 55 practical case materials. Introduction: When we learnPLC programming, why does it take us much longer to develop programs than others? It could be due to our unfamiliarity with the software or not using the right methods. The following programming and debugging methods can significantly improve our … Read more
In the field of industrial automation, Soft PLC is gradually becoming a brilliant new star in the industrial control domain. As a modern alternative to traditional PLCs (Programmable Logic Controllers), Soft PLC is changing the landscape of industrial control with its flexibility, scalability, and cost-effectiveness. This article will delve into the concept, advantages, application scenarios, … Read more
Introduction With the continuous development of the industrial automation field, the secure transmission of data and the interconnectivity between devices have become increasingly important. OPCUA (Open Platform Communications Unified Architecture) provides a reliable and secure data exchange solution as a cross-platform, service-oriented architecture. This article recommends a Siemens PLC OPCUA client project developed based on … Read more