双光柱显示仪设计  

DESIGN OF LIGHT BAND INDICATOR WITH TWO INPUT SIGNALS

作　　者：翟玉文[1] 张桂琴[1] 施云贵[1] 王聪[1] 

机构地区：[1]吉林化工学院自动化系

出　　处：《吉林化工学院学报》1998年第3期44-47,共4页Journal of Jilin Institute of Chemical Technology

摘　　要：介绍了一种双光柱信号显示仪表的设计.该仪表输入为双路Ⅱ或Ⅲ型标准信号,输出为分辨率1%的 LED 光柱显示.该设计电路简单、可靠、实用,仪表显示直观,并可提供直流24V 输出为现场二线制变送器供电.The design method of light band indicator with two input signals is introduced. The input of the indicator is Ⅱ of Ⅲ type of standard signal and the output is LED light band display with one percent resolution.The circuit of the design is simple,reliable and practical.The indicator displays directly and can provide the 24VDC power for field two -wire transmitters.

关 键 词：显示仪表 电路设计 双光柱 自动化 

分 类 号：TP216[自动化与计算机技术—检测技术与自动化装置]