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介绍了SR-620通用计数器的功能和它的远程工作模式,分析了该计数器的远程控制部分,给出了应用ActiveX控件通过串口来实现对该计数器的远程控制的方法,结合实际工作的经验讨论了调试串口时需要注意的问题,并结合测量时延的实践给出了程序运行的实例。
The function of SR-620 universal counter and its remote working mode are introduced. The remote control part of the counter is analyzed. The method of using the ActiveX control to control the counter remotely through the serial port is given. The practical work experience is discussed Debugging the serial port need to pay attention to the problem, combined with the practice of measuring the delay gives an example of the operation of the program.