基于 PLC 的大型广告屏程序设计摘 要在我们的生活中广告无处不在，而现在在我们的城市当中灯广告特别多，而霓虹灯（彩灯）是户外广告中灯光类广告的主要形式之一，其一般都设置在城市的半空中，各大百货商场，商业街的知名品牌店，店面雨篷，街道的路灯，酒店等比较醒目的位置。它不仅在白天可以起到路牌广告、招牌广告的作用，而且夜晚更是五彩缤纷、形式各异，起到亮化城市夜景的作用。对广告屏采用自动化控制时，因 PLC 具有可靠性高，抗干扰能力强，编程简单，使用方便，通用性好，组合灵活，功能完善，适应面广，体积小，功耗低，设计施工周期短等优点，所以选择用 PLC 来达到控制要求是明智的。本文就是介绍了基于 PLC的广告牌设计，其主要设计内容是基于 FX2N-48MR-001 型号 PLC 来实现控制霓虹灯和流水灯的综合循环，而且主要运用了简单的比较指令与定时器指令相结合来达到控制要求。关键词：广告屏，PLC，霓虹灯，逻辑控制，指令IADVERTISEMENT HOLDS PLC-BASED HEAVY SECTION PROGRAMMINGABSTRACTAdvertising screen is used widely in our everyday life of equipment; its control lighting system plays a vital role. The neon light (lantern) is a type of outdoor advertising in the light of the main forms of advertising, which are generally set in the city's mid-air, major department stores, well-known commercial street brand stores, shop awning, street lights, and hotel more prominent position. It can play not only in the daytime advertising signs, signs advertising the role, but the night is colorful, varied forms, has played the role of lighting the city night. Using automatic control of the advertising screen, the result of PLC with high reliability, strong anti-interference ability, programming simple and easy to use, interchangeable, flexible combination, functional, wide adaptation, small size, low power consumption, design construction period and short, so I chose to use the PLC to control demand is wise. This article is introduced based on the design billboards...
