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Chapter 6 Description of Function Codes
It is used to set the source of the frequency upper limit, including digital setting (F00.04),
AI,pulse setting or communication setting. If the frequency upper limit is set by means of
AI1,AI2, AI3, DI5 or communication, the setting is similar to that of frequency A command.
For details, see the description of F00.04.
For example, to avoid runaway in torque control mode in winding application, you can set the
frequency upper limit by means of analog input. When the AC drive reaches the upper limit, it
will continue to run at this speed.
If the source of the frequency upper limit is analog input or pulse setting, the final frequency
upper limit is obtained by adding the offset in this parameter to the frequency upper limit set
in F00.19.
Function
code
Name
Description
(setting range)
Factory
Default
Change
F00.20
Frequency upper limit
offset
0.00Hz
~
max.frequency
(
F00.03
)
00.00Hz
※
Function
code
Name
Description
(setting range)
Factory
Default
Change
F00.21
Base frequency for
UP/DOWN modification
during running
0: running frequency
1: set frequency
0
●
This parameter is valid only when the frequency source is digital setting.
It is used to set the base frequency to be modified by using keys
∧
,
∨
or the terminal UP/
-
DOWN function. If the running frequency and set frequency are different, there will be a large
difference between the AC drive's performance during the
acceleration/deceleration process.
C
h
a
p
te
r
6
Function
code
Name
Description
(setting range)
Factory
Default
Change
F00.19
Source of frequency
upper limit
2:analog AI2
3:analog AI3
4:pulse
(
HDI
)
5:RS485 comminication
0
●
Function
code
Name
Description
(setting range)
Factory
Default
Change
F00.22
Binding command
source to frequency
source
Unit digit: ( Binding keypad
command to frequency source)
0: no binding
1: keypad setting
0000
※
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