In this case, the series resistor should be placed as close to the relay as possible to limit the current when charging the cable capacitance.

在这种情况下，串联电阻就应该尽量靠近继电器，以限制电缆电容充电时的电流。

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Respectively through the various contacts, in order to dial the corresponding limit switches and over current relay normally closed contacts, to see the ability to cut off the control current.

①分别接通各个接触器，依次拨通相应的限位开关和过电流继电器常闭触头，查看其切断控制电流的能力。

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