The S7-1200 CPU provides up to 6 (1214C) high-speed counters, which count independently of the CPU’s scan cycle. The measurable single-phase pulse frequency is up to 100KHz, and for quadrature or A/B phase, it is up to 30KHz. In addition to counting, it can also be used for frequency measurement. The high-speed counter can be … Read more
As a power source for industrial production, air compressors’ precise control directly affects production efficiency and energy consumption levels. This article details the intelligent control scheme for compressors based on Siemens PLC. 1. Hardware Configuration 1.1. PLC and Expansion Module Selection For medium to large air compressor control systems, it is recommended to use the … Read more
Key Points of Schneider PLC Application in Railway Signal Systems: Ensuring Train Safety Hello everyone, I am Engineer Liu. Recently, I have received many inquiries from friends regarding railway signal systems, so today I will discuss the specific applications of Schneider PLC in this field. 1. Core Requirements of Signal Systems When it comes to … Read more
Word count: 1138, reading time approximately 6 minutes Overview Previously, some enthusiastic readers wanted to know the hardware configuration list of my home lab server cluster. Hence, this article. 📝Disclaimer: This is not an advertisement, not a promotion, not a soft sell. I really have no talent for cable management; this is the best I … Read more
Recently, I’ve had several beginners asking me how to configure the PLC programming environment, and I really can’t believe it! It’s always these basic questions. Don’t you know how to use Baidu? Alright, today I’ll talk about the PLC programming environment so you don’t end up with a bunch of messy issues that require me … Read more
After two hours of on-site rush, I found that the PLC program just wouldn’t download! This was a common predicament I faced when I first started in the industry. If you are about to get into PLCs, make sure to get the “environment setup” right to avoid unnecessary detours. Today, let’s discuss the configuration and … Read more