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本文阐述了Agilent 34970A数据采集器和Lab VIEW软件平台的基本特征,并基于Lab VIEW开发了相应的开式水箱平衡温度及液位的控制程序。利用RS-232总线的仪器连接工控主机,通过计算机控制与水表面蒸发速率公式达到平衡开式水箱的液位及温度,本文通过程序框图介绍了Lab VIEW控制的基本过程,并对开式水箱温液系统中仪器设备的控制做出了具体叙述。
This article describes the basic features of Agilent 34970A data acquisition and LabVIEW software platform, and based on Lab VIEW developed a corresponding open-water tank temperature and level control program. The RS-232 bus is connected to the industrial computer, and the liquid level and temperature of the open water tank are balanced by computer control and water surface evaporation rate formula. This paper introduces the basic process of Lab VIEW control through the block diagram, Fluid system equipment control made specific statements.