Delta C2000 Series User Manual page 284

Skip Frequency 3 (lower limit)
Settings 0.00~599.00Hz
These parameters are used to set the skip frequency of the AC drive. But the frequency output is
continuous. There is no limit for the setting of these six parameters and can be used as required.
The skip frequencies are useful when a motor has vibration at a specific frequency bandwidth. By
skipping this frequency, the vibration will be avoided. It offers 3 zones for use.
These parameters are used to set the skip frequency of the AC drive. But the frequency output is
continuous. The limit of these six parameters is 01-28 01-29 01-30 01-31 01-32 01-33. This
function will be invalid when setting to 0.0.
The setting of frequency command (F) can be set within the range of skip frequencies. In this
moment, the output frequency (H) will be limited by these settings.
When accelerating/decelerating, the output frequency will still pass the range of skip frequencies.
Zero-speed Mode
Settings 0: Output waiting
1: Zero-speed operation
2: Fmin (Refer to Pr.01-07, 01-41)
When the frequency is less than Fmin (Pr.01-07 or Pr.01-41), it will operate by this parameter.
When it is set to 0, the AC motor drive will be in waiting mode without voltage output from
terminals U/V/W.
When setting 1, it will execute DC brake by Vmin(Pr.01-08 and Pr.01-42) in V/F and SVC modes.
It executes zero-speed operation in VFPG mode.
When it is set to 2, the AC motor drive will run by Fmin (Pr.01-07, Pr.01-41) and Vmin (Pr.01-08,
Pr.01-42) in V/F, VFPG, and SVC mode
In V/F, VFPG, SVC modes:
Chapter 12 Description of Parameter Settings
12.1-01-9
Factory Setting: 0.00
Factory Setting: 0