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L100 Inverter
Configuring
Drive Parameters
3–17
Jump Frequencies – Some motors or machines exhibit resonances at particular
speed(s), which can be destructive for prolonged running at those speeds. The inverter
has up to three jump frequencies as shown in the graph. The hysteresis around the jump
frequencies causes the inverter output to skip around the sensitive frequency values
Jump frequencies
A63
A64
Output
frequency
Frequency command
A64
A66
A66
A68
A68
A65
A67
Hysteresis values
0
“A” Function
Run
Mode
Edit
Defaults
Func.
Code
Name /
SRW Display
Description
–FE
(CE)
–FU
(UL)
–FR
(Jpn)
Units
A_63,
A_65,
A_67
Jump (center)
frequency setting
Up to 3 output frequencies can
be defined for the output to
jump past to avoid motor
resonances (center frequency)
Range is 0.0 to 360.0 Hz
✘ 0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
0.0
Hz
JUMP F1 000.0Hz
JUMP F2 000.0Hz
JUMP F3 000.0Hz
A_64,
A_66,
A_68
Jump (hysteresis)
frequency width setting
Defines the distance from the
center frequency at which the
jump around occurs
Range is 0.0 to 10.0 Hz
✘ 0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
0.5
Hz
JUMP W1 00.50Hz
JUMP W2 00.50Hz
JUMP W3 00.50Hz