Speed and torque control parameter group 11
PARAMETER DESCRIPTION 276
5.12.5 Torque limit
Torque limit values of the four quadrants can be respectively set through parameters.
Parameter
Name
Default Setting Range
Content
11-19
P.408
Forward-rotation
electronic torque limit
200.0%
0～400.0%
Set torque limit in first quadrant.
11-20
P.409
Reverse-rotation
regenerative torque
limit
200.0%
0～400.0%
Set torque limit in second quadrant.
11-21
P.410
Reverse-rotation
electronic torque limit
200.0%
0～400.0%
Set torque limit in third quadrant.
11-22
P.411
Forward-rotation
regenerative torque
limit
200.0%
0～400.0%
Set torque limit in fourth quadrant.
Four quadrants torque limit function
11-19(P.408)~11-22(P.411) are set to 100.0%, in vector control, inverter max output torque is the motor rated
torque.
Motor rated torque formula:
W
T N.M =
rad/s
, P(W) is from 05-01, ω(rad/s) can be find according to
parameter 05-06(P.307):
2π×P.307
rad/s
60
.
See the figure below for four quadrants torque
limit:
quadrant 1
quadrant 2
quadrant 3
quadrant 4
FWD motor rotation
REV motor rotation
positive torque reference
negative torque reference
FWD run motoring
Parameter
：
11-19
（
P.408
）
Analog 14
：
Positive torque limit
Analog 16
：
Positive/negative
torque limit
REV run regenerative
REV run motoring
FWD run regenerative
Parameter
：
11-20
（
P.409
）
Analog 14
：
Positive torque limit
Analog 17
：
Regenerative torque limit
Parameter
：
11-21
（
P.410
）
Analog 15
：
Negative torque limit
Analog 16
：
Positive/negative
torque limit
Parameter
：
11-22
（
P.411
）
Analog 15
：
Negative torque limit
Analog 16
：
Positive/negative
torque limit
Analog 16
：
Positive/negative
torque limit
Analog 17
：
Regenerative torque
limit
Minimum torque limit is valid among torque limit set by parameter, torque limit set by analog and inverter output
current limit set by 06-01(P.22).
Setting
