User manual

91
7 - PARAMETER DESCRIPTION
Skip Frq Bnd FUN 19
FUN: Skip Frq Bnd
19 0.2 Hz
LCD Display
Range 0.2 - 20.0Hz (Default 0.2Hz)
Description Skip Frequency band. The Skip Frequency function is used to prevent operation of the drive at a frequency
that creates a resonant condition in the mechanical equipment associated with the motor.
Skip Frequencies are set in FUN 20-FUN 23. FUN 19 - Skip Freq Bnd sets the width of the window of
frequencies that will be skipped around the frequencies set in FUN 20-FUN 23.
When Skip Frequencies are used, the drive will accelerate or decelerate through a skip frequency, but will
not maintian speed within the skip frequency window.
Example If FUN 19 - Skip Frq Bnd is set to 1.0 Hz, and FUN 20 - Skip Freq 1 is set to 20.0 Hz, the drive will skip
from 19.0 to 21.0 Hz.
Skip Freq 1, 2, 3, 4 FUN 20,21,22,23
FUN: Skip Freq 1
20 0.0 Hz
FUN: Skip Freq 3
22 0.0 Hz
FUN: Skip Freq 2
21 0.0 Hz
FUN: Skip Freq 4
23 0.0 Hz
LCD Display
Range 0 to Max Frequency (Default 0.0 Hz)
Description These parameters set the mid points of the skip frequency windows.
See also FUN 19 - Skip Freq Bnd
Fault LO # FUN 24
FUN: Fault LO #
24 0
LCD Display
Range 0 to 10 (Default 0)
Description Fault Lockout Number. This parameter sets the number of faults that may occur before automatic resetting
is disabled. Once the number set in this parameter is exceeded, a manual reset of the fault will be required.
A manual reset is accomplished by displaying the active fault display and then pressing the [STOP] key
on the keypad or by using a digital input.
z NOTE: No automatic fault resets will occur if this parameter is set to 0.
See also Fault Codes on page 146 to see which parameters are allowed to be auto-reset. The shaded parameters in
the Fault Codes are auto-resettable.