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Torque Control: d5
User constants for the torque control are shown in the following table.
Constant
Number
d5-01
d5-02
d5-03
d5-04
d5-05
d5-06
-20
5
Name
Description
Display
Torque control
0: Speed control (C5-01 to C5-
07)
selection
1: Torque control
This function is only available
in flux vector control method.
To use the function for switch-
Torq Control Sel
ing between speed and torque
control, set to 0 and set the
multi-function input to "speed/
torque control change."
Torque reference delay
Set the torque reference delay
time in ms units.
time
This function can be used to
adjust the noise of the torque
control signal or the respon-
siveness with the host control-
Torq Ref Filter
ler. When oscillation occurs
during torque control, increase
the set value.
Speed limit selection
Set the speed limit command
method for the torque control
method.
1: The analog input limit from
Speed Limit Sel
a frequency reference
2: Limited by d5-04 constant
setting values.
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
Speed Lmt Value
as follows.
+: Run Command direction
-: Run Command opposite
direction
Speed limit bias
Set the speed limit bias as a
percentage of the maximum
output frequency.
Bias is given to the specified
Speed Lmt Bias
speed limit. It can be used to
adjust the margin for the speed
limit.
Speed/torque control
Set the delay time from input-
switching timer
ting the multi-function input
"speed/torque control change"
(from on to off or off to on)
until the control is actually
changed, in ms units.
This function is enabled when
the multi-function input
"speed/torque control change"
Ref Hold Time
is set. In the speed/torque con-
trol switching timer, the analog
inputs hold the values of when
the "speed/torque control
change" changes. Always be
sure to allow time for this pro-
cess to finish completely.
Change
Setting
Factory
during
Open-
Range
Setting
Operation
loop
Vector
0 or 1
0
No
0 to
0 ms
No
1000
1 or 2
1
No
-120 to
0%
No
+120
0 to
10%
No
120
0 to
0 ms
No
1000
Control
Methods
MEMOBUS
Register
Flux
Vector
No
A
310H
No
A
311H
No
A
312H
No
A
313H
No
A
314H
No
A
315H
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