Jump Frequency - Avoiding Resonant Frequencies - Toshiba VF-S15 Instruction Manual

For 3-phase induction motors
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6.15 Jump frequency - avoiding resonant frequencies

f270 : Jump frequency 1
f271 : Jumping width 1
f272 : Jump frequency 2
f273 : Jumping width 2
f274 : Jump frequency 3
f275 : Jumping width 3
 Function
Resonance due to the natural frequency of the mechanical system can be avoided by jumping the
resonant frequency during operation. During jumping, hysteresis characteristics with respect to the jump
frequency are given to the motor.
[Parameter setting]
Title
f270
f271
f272
f273
f274
f275
Note 1: Do not set the jump parameters, if multiple jump frequency setting width overlap.
Note 2: During acceleration or deceleration, the jumping function doesn't work for the operation frequency.
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Output command frequency
(Hz)
Jump frequency 3 ()
Jump frequency 2 ()
Jump frequency 1 ()
0
Function
Jump frequency 1
Jumping width 1
Jump frequency 2
Jumping width 2
Jump frequency 3
Jumping width 3
Jumping width 3 ()
Jumping width 2 ()
Jumping width 1 ()
Frequency setting signal
Adjustment range
0.0-fh (Hz)
0.0-30.0 (Hz)
0.0-fh (Hz)
0.0-30.0 (Hz)
0.0-fh (Hz)
0.0-30.0 (Hz)
F-51
E6581611
6
Default setting
0.0
0.0
0.0
0.0
0.0
0.0

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