Improved Operating Efficiency
6-
39
K
K
K
K
Stabilizing
Speed
(Speed
Feedback
Detection
Function)
The
speed feedback detection control (AFR) stabilizes the speed when a load changes swiftly.
The
speed is compensated by the amount of fluctuation from the current feedback torque.
n
Related
Parameters
Param-
eter
Num-
ber
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control
Methods
V/f
V/f
with
PG
Open
Loop
Vec-
tor
LCD
Display
N2-01
Speed
feedback detection
control
(AFR) gain
Set
the internal speed feedback detection control
gain
using the multiplication function.
Normally,
there is no need to make this setting.
Adjust
this parameter as follows:
• If
hunting occurs, increase the set value.
• If
response is low, decrease the set value.
Adjust
the setting by 0.05 at a time, while check-
ing
the response.
0.00
to
10.00
1.00
No
No
No
A
AFR
Gain
N2-02
Speed
feedback detection
control
(AFR) time con-
stant
Set
the time constant to decide the rate of change
in
the speed feedback detection control.
0
to 2000
50
ms
No
No
No
A
AFR
Time
N2-03
Speed
feedback detection
control
(AFR) time con-
stant
2
Set
the time constant to decide the amount of
change
in the speed.
0
to 2000
750
ms
No
No
No
A
AFR
Time 2
Содержание SYSDRIVE 3G3RV
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