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Frequency converter speed regulating circuit with linkage setting box
Source: InternetPublisher:常思一二 Updated: 2017/07/04
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. Latest Control Circuits Circuits
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