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The Application of PLC Combined Computer Control in Time Constant Measuring Device
Author(s): 
Pages: 34-36,63
Year: Issue:  1
Journal: OCEAN TECHNOLOGY

Keyword:  时间常数测量装置两级控制模式微机软仪表面板监控程序高速数据采集系统;
Abstract: 文章介绍了在时间常数测量装置中所涉及到的几个控制问题,系统采用由计算机为上位机和以可编程序控制器(PLC)为下位机构成的两级控制模式.在上位微机中使用VB5.0编程语言设计了微机软仪表面板风格的监控程序,通过RS232通讯接口将上位微机操作指令送至PLC完成控制过程.本文还介绍了传感器运动速度的控制和测量,传感器穿越阶越界面的运动控制以及高速数据采集系统.
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