pulse count

This cymometer uses CPLD to realize the measuring count of frequency, period, pulse width and occupy-empty ratio.

该频率计利用CPLD来实现频率、周期、脉宽和占空比的测量计数。

Rotate speed test, power test and oil consumption fulfill test by taking count of pulse number, data operation and data conversion program etc.

转速测试模块、功率测试模块和耗油量测试模块均采用定时计取脉冲数，通过数制转换、浮点数运算、数据显示等程序，完成对信号的测试处理。

This cymometer uses CPLD to realize the measuring count of frequency, period, pulse width and occupy-empty ratio.

该频率计利用CPLD来实现频率、周期、脉宽和占空比的测量计数。

Basic requirements: at least 65,536 Count pulse, and pulse number displayed.

基本要求: 计数至少65536个脉冲, 并将脉冲个数显示出来.

Angle displacement quantities of guide pulley and count reposition position of cutter displacement which are obtained through approach switch are translated into pulse signals;

采用接近开关将检测到的导向滑轮的角位移量和钻具位移的计数复位位置转换为脉冲信号；