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介绍了以MCS-51系列的8031单片计算机为核心,外加8279、8255、0809等输入输出接口芯片,以及2764、62C64外部程序和数据存储器等元件所构成的LWC-Ⅰ型智能流体参数测试仪的硬件及软件的设计原理。该测试系统具有数据采集、处理、输入、显示、打印以及绘制动态测试曲线等多种功能,可满足由静态到动态较宽范围的测试条件,并可同时测试压力、流量、温度及转速等多种液压系统参数。
This paper introduces the LWC-Ⅰ intelligent fluid parameter tester which is composed of 8031 single-chip computer of MCS-51 series, plus I / O interface chip such as 8279, 8255, 0809 and 2764, 62C64 external program and data memory. The hardware and software design principles. The test system has many functions such as data acquisition, processing, inputting, displaying, printing and drawing of dynamic test curves to meet the test conditions from a wide range of static to dynamic conditions, and can simultaneously test the pressure, flow, temperature and speed and more Hydraulic system parameters.