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Chapter 6 Description of Function Codes
- 8- 20
Group Pb: Swing Frequency, Fixed Length and Count
The swing frequency function is suitable for textile, chemical fiber and other industries, as well
as occasions where traversing and winding functions are required.
The swing frequency function refers to the output frequency of the inverter, which swings up
and down with the set frequency as the center. The trajectory of the running frequency on the
time axis is shown in Figure 6-26. The swing amplitude is set by Pb-00 and Pb-01. When Pb-
01 is set to 0, the swing is 0, and the swing frequency does not work.
Figure 6-26. Schematic diagram of swing frequency operation
Run command
Output frequency Hz
Wobble cycle
Triangle
wave rise time
Swing frequency amplitude
Swing frequency
upper limit frequency
Center frequency Fset
+Aw
-Aw
Textile kick
frequency
t
Swing frequency
lower limit frequency
Accelerate by
acceleration time
Decelerate by
deceleration time
Function
code
Name
Description
(setting range)
Factory
Default
Change
Pb-00 Swing setting method 0 ~ 1 0
☆
Use this parameter to determine the reference amount of the swing.
0: Relative center frequency (P0-06 frequency source), which is a variable swing system.
The swing varies with the center frequency (set frequency).
1: Relative to the maximum frequency (P0-14), it is a fixed swing system, and the swing is
fixed.
Function
code
Name
Description
(setting range)
Factory
Default
Change
Pb-01 Swing frequency amplitude 0.0% ～ 100.0% 0.0%
☆
Pb-02 Jump frequency amplitude 0.0% ～ 50.0% 0.0%
☆
C
h
a
p
te
r
6