PLC programming
Essential! PLC Program Version Management and Documentation Standards for Clear and Controllable Projects!
Essential! PLC Program Version Management and Documentation Standards for Clear and Controllable Projects! Do you remember the first time I faced that large filling line renovation project? At three in the morning, the production line was down, the client was standing behind me, and I was desperately comparing three different versions of the PLC program, … Read more
PLC Programming Recommendations from an Expert
Programming Recommendations 1. When a PLC and a host computer (or touch screen) form a monitoring system, it is often necessary to have control modes such as “Manual” and “Automatic” on the screen (generally, only one can be active at a time). In the program, you can use the “MOV” instruction. For example: when “Manual” … Read more
Detailed Explanation and Application of Siemens S7-1200 PLC High-Speed Counter
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
Key Considerations for Writing PLC Programs
1. Content of PLC Programs PLC application programs should maximize the control requirements of the controlled object. After conceptualizing the framework of the main program, it should serve as the main line, with each control function or sub-task program written one by one. Through continuous adjustments and improvements, the program should be able to complete … Read more
Intermediate PLC Functions: Linear Interpolation Algorithm for Smoother and More Accurate Motion Trajectories!
Intermediate PLC Functions: Linear Interpolation Algorithm for Smoother and More Accurate Motion Trajectories! 🔥 Have you overlooked the hidden shortcomings of traditional motion control? Has your PLC control system ever experienced issues such as unsmooth trajectories, path deviations, or equipment jitter during high-speed movements? These problems not only affect the precision of the equipment but … Read more
Intermediate PLC Functions: Dynamic Data Allocation Increases Memory Efficiency by 60%!
🔥 The fatal pain point of traditional PLC programming: memory waste and low efficiency! Do you also face such troubles? Is your PLC program running slowly, and is the efficiency of complex process handling low? Is memory insufficient, always causing headaches due to hardware limitations? Is the cost of hardware upgrades high, leaving your budget … Read more
Intermediate PLC Programming: Custom Library Function Development for Easier Reuse of General Functions!
Intermediate PLC Programming: Custom Library Function Development for Easier Reuse of General Functions! 🔥 Pain Points of Traditional PLC Programming: The Vicious Cycle of Duplicate Code Does your PLC program frequently contain duplicate code? Does modifying one function cause a ripple effect throughout the entire program? Is it like searching for a needle in a … Read more
Comprehensive Analysis of Pneumatic Valve Control Systems: A Must-Read for Engineers!
Pneumatic Valve Control System The pneumatic valve control system is a core technology in the field of automation, capable of achieving precise flow regulation and rapid switching, widely used in industries such as chemical and pharmaceutical. 1. Hardware Configuration Selection of PLC and Expansion Modules In the pneumatic valve control system, we typically use the … Read more
Siemens S7-1500: New Technology in Industrial IoT Data Acquisition
Industrial IoT Data Acquisition: Practical Experience Sharing on S7-1500 Hello everyone, I am an engineer with 15 years of experience in industrial automation, mainly responsible for projects related to industrial IoT and data acquisition. Today, I would like to share my practical experience in using the Siemens S7-1500 PLC for data acquisition. Why Focus on … Read more