Basic parameter group 01
PARAMETER DESCRIPTION 87
5.2.9 Frequency jump
To avoid resonance from a mechanical system, these parameters allow jumping through resonant frequencies.
Frequency jump
To avoid system’s mechanical resonance frequency when running the motor, the inverter provides three sets
of jump frequencies: 001-16(P.91) and 01-17(P.92) (the first set), 01-18(P.93) and 01-19(P.94) (the second set),
01-20(P.95) and 01-21(P.96) (the third set)
01-16
(P.91)
01-17
(P.92)
01-18
(P.93)
01-19
(P.94)
01-20
(P.95)
01-21
(P.96)
Output
frequency
(Hz)
For example: assuming 01-16(P.91)=45 and 01-17(P.92)=50;
If the target frequency≤45Hz, then the steady output frequency=the target frequency.
If 45Hz≤target frequency＜50Hz, then the steady output frequency=45Hz.
If the target frequency≥50Hz, then the steady output frequency=the target frequency.
Note: 1. During acceleration / deceleration, output frequency of inverter will pass through the jump frequency.
2. When 01-16(P.91)=99999 or 01-17(P.92)=99999, the first set of frequency jump is invalid.
When 01-18(P.93)=99999 or 01-19(P.94)=99999, the second set of frequency jump is invalid.
When 01-20(P.95)=99999 or 01-21(P.96)=99999, the third set of frequency jump is invalid.
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