"基于PLC的霓虹灯控制系统设计与应用"

With the reform and development of the country, rising prosperity and progress of market economy, urban decorative lighting projects have been widely implemented. Neon signs have become a popular advertising method for various enterprises to promote their products. Neon lights in cities are a highlight, igniting the soul and hope of the city. Neon signs can be seen everywhere along the roadsides, displaying a variety of colors that are visually appealing and attractive. When combined with large-scale advertising slogans and graphics, they can easily convey information and leave a deep impression on people. The control of the on-off state, flickering time, and direction of the neon lights can be achieved through PLC control. Therefore, it is important to consider a fast, reliable, and simple method of achieving control. PLC control systems undoubtedly offer the most suitable solution for this purpose. PLCs have the characteristics of strong versatility, easy use, wide adaptability, high reliability, strong anti-interference ability, and simple and understandable programming. Moreover, PLCs are irreplaceable in the field of industrial automation control, especially in sequence control. In real life, most people use PLCs to control neon lights. Keywords: Siemens S7-200; decorative lighting projects; neon lights; prayer for Ya'an II