User Constant Tables
5-
69
Speed Estimation: N4
User constants for speed estimation are shown in the following table.
N3-03
High-slip
braking stop
dwell time
Set in seconds the dwell time
for the output frequency for
FMIN (1.5 Hz) during V/f
control.
Effective only during deceler-
ation for high-slip braking.
0.1 to
10.0
1.0 s
No
A
A
No
No
No
58AH
-
HSB Dwell
Time
N3-04
High-slip
braking OL
time
Set the OL time when the out-
put frequency does not
change for some reason dur-
ing deceleration for high-slip
braking.
30 to
1200
40 s
No
A
A
No
No
No
58BH
-
HSB OL
Time
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
N4-07
Integral time
of speed esti-
mator
Set the integral time of the
speed estimator for PI con-
trol.
0.000
to
9.999
0.060
ms
No
No
No
No
No
A
59AH
-
SPD EST I
Time
N4-08
Proportional
gain of speed
estimator
Set the proportional gain of
the speed estimator for PI
control.
0 to
1000
15
No
No
No
No
No
A
59BH
-
SPD EST P
GAIN
N4-17
Torque
adjustment
gain
Set the torque adjustment
gain for low-speed power.
0.0 to
5.0
0.8
No
No
No
No
No
A
5A4H
-
TRQ adjust
gain
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
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
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