User Constants
8.2.2 Autotuning Constants: C
8-12
J
S-curve Acceleration/Deceleration: C2
Con-
Name
Change
Control Methods
stant
Num-
ber
Display
Description
Setting
Range
Factory
Setting
during
Opera-
tion
V/f
V/f
with
PG
Open
Loop
Vector
Flux
Vector
Page
C2-01
S-curve charac-
teristic time at ac-
celeration start
All sections of the S-curve characteristic
0.0 to
2.50
0.20
×
A A A A
7-52
SCrv Acc @ Start
-
time are set in seconds units.
.
C2-02
S-curve charac-
teristic time at ac-
celeration end
:When the S-curve characteristic time is
set, the accel/decel times will increase
by only half of the S-curve characteris-
0.0 to
2.50
0.20
×
A A A A
7-52
SCrv Acc @ End
tic times at start and end.
Run com-
.
C2-03
S-curve charac-
teristic time at de-
celeration start
Output frequency
C1-02
C1-03
u
-
mand
ON
OFF
0.00 to
0.20
×
A A A A
7-52
SCrv Dec @
Start
C1-01
C1-04
2.50
.
C2-04
S-curve charac-
teristic time at de-
celeration end
-
Time
0.00 to
2.50
0.00
×
A A A A
7-52
SCrv Dec @ End
.
J
Motor Slip Compensation: C3
Name
Change
Control Methods
Constant
Number
Display
Description
Setting
Range
Factory
Setting
during
Opera-
tion
V/f
V/f
with
PG
Open
Loop
Vector
Flux
Vector
Page
C3-01
Slip compensation
gain
Used to improve speed accuracy
when operating with a load.
:Usually setting is not necessary.
When actual speed is low, in-
crease the set value.
0.0 to
1.0 *
f
B
×
B B
7-34
Slip Comp Gain
When actual speed is high, de-
crease the set value.
In flux vector control mode this
function becomes gain to com-
pensate for slip caused by tem-
perature variation.
2.5
.
7-53
C3-02
Slip compensation
primary delay time
Slip compensation primary delay
time is set in ms units.
:Usually setting is not necessary.
Adjust when slip compensation
responsiveness is low, or speed
0to
200 *
×
A
×
A
×
7-54
Slip Comp Time
s not sta
ze
.
When responsiveness is low, de-
crease the set value.
When speed is not stabilized, in-
crease the set value.
10000
C3-03
Slip compensation
limit
Sets the slip compensation limit as
0 to 250 200
×
A
×
A
×
7-54
Slip Comp Limit
a percentage of motor rated slip.
C3-04
Slip compensation
selection during re-
generation
0: Disabled.
1: Enabled.
:When the slip compensation
during regeneration function
has been activated, as regenera-
0, 1 0
×
A
×
A
×
7-54
Slip Comp Regen
t
on capac
ty
ncreases momen-
tarily, it may be necessary to
use a braking option (braking
resistor, Braking Resistor Unit
or Braking Unit.)
8