Essential Books for Mastering PLC （Download eBook link） PLC is an industrial microcomputer. When it malfunctions, the first step is to determine whether the issue lies with the PLC itself or the peripheral devices. If the PLC has a problem, the ERR light will often illuminate, or a red light will flash. The normal state … Read more
At the end of the article, there are practical case materials for core SCL programming.Introduction: When programming, we sometimes need IO mapping, such as data exchange during communication and program standardization! The mapping methods can use ladder diagrams and SCL, with SCL being more convenient and efficient.When using SCL, the PEEK and POKE instructions are … Read more
Recently, the touchscreen in the driver’s cabin of the coking plant’s second dry quenching hoist suddenly became unresponsive, leading to limitations in equipment positioning and the inability to view operational parameters, which constrained production operations and system safety. The PLC team from the electrical company’s automation department responded quickly, organizing technical personnel to the site … Read more
PLC Application Engineer | Job Positioning ⚡ PLC Application Engineer is a crucial technical position in the field of automation control, primarily responsible for the programming, debugging, maintenance, and optimization of Programmable Logic Controllers (PLCs).🏭 They play a key role in modern manufacturing, smart factories, logistics, warehousing, and energy sectors, acting as the “brain” of … Read more
PLC (Programmable Logic Controller) and DCS (Distributed Control System) are two core control technologies in the field of industrial automation. They exhibit significant differences in design philosophy, application scenarios, and architectural characteristics, while also showing some trends of integration with technological advancements.We will analyze them from four dimensions: core definitions, key differences, applicable scenarios, and … Read more
Free for commercial use! A low-code visual development platform for industrial web with over 1500 components.Absolutely impossible!!! Is there a PLC that cannot be connected?Bookmark! Finally, someone has clarified the communication between HMI and PLC! Inverters and PLCs are two very important devices in the field of industrial automation, commonly used to control machine operations … Read more
Welcome to follow the public account belowAbao1990, this public account focuses on autonomous driving and smart cockpits, providing you with automotive insights every day. We start with cars, but we are not limited to cars. Ten years ago, China’s manufacturing industry was in the midst of an automation upgrade explosion—small and medium-sized enterprises had an … Read more
“The other day, I took on a repair job; the PLC fault light was on. I pretended to be busy all day, and when everyone left at night, I rebooted the PLC and pocketed 2000. Hehe…” That night, during a dinner gathering, it was anything but a casual dinner; everyone raised their glasses and chatted … Read more
1. Overview of High-Speed Counters The S7-200 SMART PLC integrates hardware high-speed counters that operate independently of the CPU scan cycle. The standard CPU (firmware version V2.3+) supports 6 channels of high-speed counters, while the compact CPU supports 4 channels. The C-type CPU has a maximum counting frequency of 100kHz, and the S-type CPU reaches … Read more
This Monday, a member of the Boto group shared his thoughts on PLC program architecture design. Please refer to the link below: Boto Group Discussion: An Engineer Shares His PLC Program Architecture Design Thoughts Yesterday, I had a Tencent meeting with him to discuss and share his design ideas. 1. Sharing from the Group Discussion … Read more