4-61
Under vector control without/with speed sensor (F42 = 5, 6)
If the inverter’s output torque exceeds the specified levels of the torque limiters (F40, F41, E16, E17, and E61 to
E63), the inverter controls the speed regulator's output (torque command) in speed control or a torque command
in torque control in order to limit the motor-generating torque.
To use the torque limiters, it is necessary to configure the function codes listed in the table below.
Related function codes
Function
code
Name
V/f control
Vector
control
Remarks
F40
Torque Limiter 1-1
Y
Y
F41
Torque Limiter 1-2
Y
Y
E16
Torque Limiter 2-1
Y
Y
E17
Torque Limiter 2-2
Y
Y
H73
Torque Limiter (Operating
conditions)
Y
Y
H74
Torque Limiter (Control target)
N
Y
H75
Torque Limiter (Target quadrants)
N
Y
H76
Torque Limiter
(Frequency increment limit for
braking)
Y
N
E61 to E63
Terminal [12] Extended Function
Terminal [C1] Extended Function
Terminal [V2] Extended Function
Y
Y
7: Analog torque limit value
A
8: Analog torque limit value
B
Torque Limiter (Control target) (H74)
Under vector control, the inverter can limit motor-generating torque or output power, as well as a torque current
(default).
Data for H74
Control target
0
Motor-generating torque limit
1
Torque current limit
2
Output power limit
