本文采用GE -I系列可编程控制器（PLC）的计数器来模拟鼓形控制器，由于用软件来实现，因此编程、修改灵活方便，而且总步数和输出点数可以满足所有场合的需要。

GE-I Series PLC is used to simulate drum controller in this paper. Because of implement with software, it is easy to modify program, and its total steps, output points can be used in all conditions.

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本文主要描述了一种使用性较强的棒材自动计数系统，该系统可根据预设数值在成捆前即对棒材进行精确点数。

According to beforehand numerical value, the system can count the bar exactly before binding, and its control system is narrated in detail.

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