【摘要】 介绍了现场总线的特点、种类及其国际标准发展情况 ,分析了国内外发展现状 ,阐述了其在温室智能控制方面的意义以及应采取的对策 ,给出了实现温室智能控制硬件结构的详细设计 ,包括系统的总体设计 ,主站接口板卡、智能变送器、智能控制器的设计等更多还原

【Abstract】 This paper introduces the field bus and international standards relating to it. As well, it analyzes the international and domestic development trend of the field bus, expounds the significance of using the field bus in intelligent control of greenhouse and examines the corresponding countermeasures. The hardware for the greenhouseinte lligent control, which includes the overall layout of the design of the master interface board, the intelligent transmitter and the intelligent controller were designed.更多还原