97
Limiting the output frequency
4.5.2
Avoiding mechanical resonance points (frequency jumps) (Pr. 31 to Pr. 36)
The above parameters can be set when
Pr. 160 User group read selection
=
"
0
"
.
When avoiding resonance arisen from the natural frequency of a mechanical system, use these parameters to jump the
resonant frequencies.
Parameter
Number
Name
Initial Value
Setting Range
Description
31
Frequency jump 1A
9999
0 to 400Hz, 9999
1A to 1B, 2A to 2B, 3A to 3B is frequency
jumps
9999: Function invalid
32
Frequency jump 1B
9999
0 to 400Hz, 9999
33
Frequency jump 2A
9999
0 to 400Hz, 9999
34
Frequency jump 2B
9999
0 to 400Hz, 9999
35
Frequency jump 3A
9999
0 to 400Hz, 9999
36
Frequency jump 3B
9999
0 to 400Hz, 9999
Up to three areas can be set, with the jump frequencies set to
either the top or bottom point of each area.
The value set to 1A, 2A or 3A is a jump point and operation in
the jump zone is performed at these frequencies.
Example 1
To fix the frequency to 30Hz in the range 30Hz to 35Hz, set 35Hz in
Pr. 34
and
30Hz in
Pr. 33
.
Example 2
To jump the frequency to 35Hz in the range 30Hz to 35Hz, set 35Hz in
Pr. 33
and 30Hz in
Pr. 34
.
NOTE
During acceleration/deceleration, the running frequency within the set area is valid.
Pr. 31
Pr. 32
Pr. 33
Pr. 34
Pr. 35
Pr. 36
Frequency jump
Set frequency (Hz)
Pr. 34
: 35Hz
Pr. 33
: 30Hz
Pr. 33
: 35Hz
Pr. 34
: 30Hz
Содержание FR-E710W-0.1K
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Страница 335: ...335 APPENDIX This chapter provides the APPENDIX of this product Always read the instructions before using the equipment ...
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