Chapter 12 Descriptions of Parameter SettingsC2000 Plus
12.1-01-9
01-28
Skip Frequency 1 (Upper Limit)
01-29
Skip Frequency 1 (Lower Limit)
01-30
Skip Frequency 2 (Upper Limit)
01-31
Skip Frequency 2 (Lower Limit)
01-32
Skip Frequency 3 (Upper Limit)
01-33
Skip Frequency 3 (Lower Limit)
Default: 0.00
Settings 0.00–599.00 Hz
Set the AC motor drive’s skip frequency. The drive’s frequency setting skips these frequency
ranges. However, the frequency output is continuous. There are no limits for these six parameters
and you can combine them. Pr.01-28 does not need to be greater than Pr.01-29; Pr.01-30 does
not need to be greater than Pr.01-31; Pr.01-32 does not need to be greater than Pr.01-33. You
can set Pr.01-28–01-33 as you required. There is no size distinction among these six parameters.
These parameters set the skip frequency ranges for the AC motor drive. You can use this function
to avoid frequencies that cause mechanical resonance. The skip frequencies are useful when a
motor has resonance vibration at a specific frequency bandwidth. Skipping this frequency avoids
the vibration. There are three frequency skip zones available.
You can set the Frequency command (F) within the range of skip frequencies. Then the output
frequency (H) is limited to the lower limit of skip frequency ranges.
During acceleration and deceleration, the output frequency still passes through the skip frequency
ranges.