This method does not require external wiring, a simple, high-precision frequency setting, a digital frequency settings for a single frequency transducer settings.
该方法不需要外部接线，方法简单，频率设置精度高，属数字量频率设置，适用于单台变频器的频率设置。
This method does not require external wiring, a simple, high-precision frequency setting, a digital frequency settings for a single frequency transducer settings.
该方法不需要外部接线，方法简单，频率设置精度高，属数字量频率设置，适用于单台变频器的频率设置。
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