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1·The article discusses about open tension control of pay off reel in the continuous galvanizing line and setting the parameter of converters in the PLC to realize the open tension control in detail.

讨论了开卷机在镀锌生产线中的开环张力控制，并详细论述了通过在P LC中设置变频器的参数来实现开环张力控制。

2·By taking beaming machine as an example, this paper describes the methods that realize the constant tension control of pay-off and take-up reel of wire and cable by using general inverter.

以倒轴机为例，介绍了采用通用变频器来实现线缆收放卷恒张力控制的方法。