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The Application of PLC Combined Computer Control in Time Constant Measuring Device
Author(s): TIAN Yu, YU Houlong
Pages: 34-
36,63
Year: 2002
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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