Input phase loss protection

FAQ > Drive Products > Inverters-FREQROL > Input phase loss protection

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No : 20945
Release Date : 2018/08/22 16:25
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Why is the initial value of Pr.872 (Input phase loss protection) "1" (Valid) for the A701 and "0" (Invalid) for the A700?

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FAQ > Drive Products > Inverters-FREQROL
FAQ > Drive Products > Inverters-FREQROL > FREQROL-A700

Answer

The initial value of Pr.872 is set to "1" (Valid) because the A701 have regeneration unit built-in and an overvoltage may occur when the regenerative operation is performed at an input phase loss.

Product Name: Inverter, magnet motor drive

Product Category: Inverter

Series: FR-A700