
User Constant Tables
5-
73
N4-18
Feeder resis-
tance adjust-
ment gain
Set the gain for the feeder
resistance in the speed esti-
mator.
0.90 to
1.30
1.00
No
No
No
No
No
A
5A5H
–
Feeder R gain
N4-28
Speed estima-
tor switching
frequency 2
Set the switching frequency
of high-speed/low-speed
operation for the speed esti-
mator during deceleration.
20 to
70
50 Hz
No
No
No
No
No
A
5AFH
7-35
10-4
Speed
Change F 2
N4-29
Torque
adjustment
gain 2
Gradually increase this set-
ting to improve low-speed
power. If the setting is too
high, the power may be
reduced.
Usually, there is no need to
change this setting.
0.00 to
0.40
0.10
No
No
No
No
No
A
5B4H 7-35
TRQ adjust
gain 2
N4-30
Low-speed
regeneration
stability coef-
ficient 2
Increase this setting to ensure
stable operation for extremely
low-speed regeneration. If the
setting is set to a high value,
the speed will increase with
the size of the regenerative
load.
Adjust this setting in intervals
of approximately 0.2.
0.00 to
10.00
1.00
No
No
No
No
No
A
5B5H 7-34
LowSpd Rgn
Coef 2
N4-32
Speed estima-
tor gain fluc-
tuation
frequency 1
Set the lower limit for the
fluctuation frequency of the
speed estimator’s low-speed
proportional gain (PI control).
Set the value in Hz.
0.0 to
60.0
5.0 Hz
No
No
No
No
No
A
5B7H 7-34
SpdEst Gain
Frq1
N4-33
Speed estima-
tor gain fluc-
tuation
frequency 2
Set the upper limit for the
fluctuation frequency of the
speed estimator’s low-speed
proportional gain (PI control).
Set the value in Hz.
0.0 to
60.0
20.0 Hz
No
No
No
No
No
A
5B8H 7-34
SpdEst Gain
Frq2
N4-34
Speed estima-
tor gain fluc-
tuation rate
Set ratio for fluctuating the
speed estimator’s low-speed
proportional gain (PI control).
Set the value as a percentage.
0.0 to
200.0
200.0%
No
No
No
No
No
A
5B9H 7-34
SpdEst Gain
Rate
Con-
stant
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control Methods
MEMO-
BUS
Regis-
ter
Page
Display
V/f
V/f
with
PG
Open
Loop
Vec-
tor
1
Flux
Vec-
tor
Open
Loop
Vec-
tor
2
TOE-S616-60.1.book 73 ページ 2017年8月4日 金曜日 午後3時41分