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Frequency converter speed regulating circuit with linkage setting box

Source: InternetPublisher:常思一二 Updated: 2017/07/04

具有联动设定箱的变频器调速电路 FR-AL is a linkage setting box. When external operating signals are used to realize linkage control of the frequency converter, the circuit as shown in the figure can be used. The figure shows the ⑤ and ④ pins of the frequency converter, which introduces a DC 4~20mA operating signal to control the speed of the motor M. The DC 4~20mA signal can come from automated primary instruments, such as speed sensors, force-sensitive devices, etc.

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