6-120
Torque Control
With flux vector control or open-loop vector control 2, the motor's output torque can be controlled by a torque
reference from an analog input. Set d5-01 to 1 to control torque.
Related Parameters
Parameter
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Operation
Control Methods
Display
V/f
V/f
with
PG
Open
Loop
Vector
1
Flux
Vector
Open
Loop
Vector
2
d5-01
Torque Control
Selection
Selects speed or torque control.
The torque reference is set via
analog input A2 or A3 when it is
set for "torque reference" (H3-05
or H3-09 = 13). Torque reference
is set as a percentage of motor
rated torque. To use this function
for switching between speed and
torque control, set to 0 and set a
multi-function input to "speed/
torque control change" (H1-xx =
71).
0: Speed Control (controlled by
C5-01 to C5-07)
1: Torque Control
0 to 1 0 No No No No A A
Torq Control
Sel
d5-02
Torque
Reference
Delay Time
Sets the torque reference delay
time in milliseconds.
This function can be used to
correct for noise in the torque
control signal or the
responsiveness with the host
controller. When oscillation
occurs during torque control,
increase the set value.
0 to
1000
0ms
*
No No No No A A
Torq Ref Filter
d5-03
Speed Limit
Selection
Sets the speed limit command
method for the torque control
method.
1: Analog Input - Limited by the
output of the soft starter (b1-01
selection and active acceleration/
deceleration and S-curve
settings).
2: Program Setting - Limited by
d5-04 setting value.
1 or 2 1 No No No No A A
Speed Limit Sel
d5-04
Speed Limit Sets the speed limit during torque
control as a percentage of the
maximum output frequency
(E1-04).
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
Speed Lmt
Val ue
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