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How can frequencies be skipped in an ATV61 / ATV71 ?

Published date: 24 June 2019

Issue:
How can frequencies be skipped in an ATV61 / ATV71 ?

Product Line:
Altivar ATV61 and ATV71

Environment:
All

Cause:
Motor is making a noise when running at a certain speed range.

Resolution:
In menu 1.3 Settings, adjust the following parameters:
Skip Freq = desired frequency  ( in the middle of the skip range )
Skip Freq Hysteresis = (+) and (-) frequencies to be skipped

Example :
Skip Freq = 30Hz
Skip Freq Hysteresis = 2
The skipped range will include 2Hz below and 2Hz above the 30Hz Skip Freq.
The total skipped range is 28Hz - 32Hz.

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