This paper introduces a circuit setting up and displaying the data of timer, counter and data register out of PLC. It gives the ladder-type Patterned program.
介绍了一种对定时器、计数器、数据寄存器的数据进行外部设定并显示的电路，并给出了相应的梯形图程序。
It is also possible for an ill-behaved software program to use the timer-counter for another purpose and change the interrupt rate.
它也有可能是病态的软件程序，以用于其他目的，定时器，计数器和中断率的变化。
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