5-30
Torque Control: d5
User constants for the torque control are shown in the following table.
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
d5-01
Torque con-
trol selection
0: Speed control (C5-01 to
C5-07)
1: Torque control
This function is only avail-
able in flux vector control
method. To use the function
for switching between speed
and torque control, set to 0
and set the multi-function
input to “speed/torque control
change.”
0 or 1 0 No No No No A A 29AH 6-127
Torq Control
Sel
d5-02
Torque
reference
delay time
Set the torque reference delay
time in ms units.
This function can be used to
adjust the noise of the torque
control signal or the respon-
siveness with the host con-
troller. When oscillation
occurs during torque control,
increase the set value.
0 to
1000
0
*
No No No No A A 29BH 6-127
Torq Ref
Filter
d5-03
Speed limit
selection
Set the speed limit command
method for the torque control
method.
1: The analog input limit
from a frequency refer-
ence
2: Limited by d5-04 constant
setting values.
1 or 2 1 No No No No A A 29CH 6-127
Speed Limit
Sel
d5-04
Speed limit Set the speed limit during
torque control as a percentage
of the maximum output fre-
quency.
This function is enabled when
d5-03 is set to 2. Directions
are as follows.
+: Run Command direction
-: Run Command opposite
direction
-120 to
+120
0 No No No No A A 29DH 6-127
Speed Lmt
Va l ue
d5-05
Speed limit
bias
Set the speed limit bias as a
percentage of the maximum
output frequency.
Bias is given to the specified
speed limit. It can be used to
adjust the margin for the
speed limit.
0 to
120
10 No No No No A A 29EH 6-127
Speed Lmt
Bias
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