5
-68
n
Speed
Feedback
Protection
Control
Functions:
N2
Parameters
for speed feedback protection control functions are shown in the following table.
N1-02
Hunting-
prevention
gain
Set
the hunting-prevention
gain
multiplication factor.
Normally,
there is no need to
make
this setting.
Make
the adjustments as fol-
lows:
• If
vibration occurs with
light
load, increase the set-
ting.
• If
the motor stalls, reduce
the
setting.
If
the setting is too large, the
voltage
will be too sup-
pressed
and the motor may
stall.
0.00
to
2.50
1.00
No
A
A
No
581H
4-18
6-38
Hunt
Prev
Gain
Param-
eter
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control Methods
Register Page
LCD
Display
V/f
V/f
with
PG
Open
Loop
N2-01
Speed
feed-
back
detec-
tion
control
(AFR)
gain
Set
the internal speed feed-
back
detection control gain
using
the multiplication
function.
Normally,
there is no need to
make
this setting.
Adjust
this parameter as fol-
lows:
• 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 checking the
response.
0.00
to
10.00
1.00
No
No
No
A
584H
4-18
6-39
AFR
Gain
N2-02
Speed
feed-
back
detec-
tion
control
(AFR)
time
constant
Set
the time constant to
decide
the rate of change in
the
speed feedback detec-
tion
control.
0
to
2000
50
ms
No
No
No
A
585H
6-39
AFR
Time
N2-03
Speed
feed-
back
detec-
tion
control
(AFR)
time
constant
2
Set
the time constant to
decide
the amount of change
in
the speed.
0
to
2000
750
ms
No
No
No
A
586H
6-39
AFR
Time 2
Param-
eter
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control Methods
Register Page
LCD
Display
V/f
V/f
with
PG
Open
Loop
Содержание SYSDRIVE 3G3RV
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