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6.21.3 Speed limits in torque control mode
Forward speed limit input selection
Forward speed limit input level
Reverse speed limit input selection
Reverse speed limit input level
Speed limit (torque=0) reference
Speed limit (torque=0) value
Speed limit (torque=0) band
Speed limit (torque=0) recovery time
Setting with the control panel
[Setting of forward speed limit level]
(Forward speed limit input selection) :(Parameter )
(Forward speed limit input level) :Set a desirable torque limit level.
[Setting of reverse speed limit level]
(Reverse speed limit input selection) :(Parameter )
(Reverse speed limit input level) :Set a desirable torque limit level.
Function
The function is to limit the rise in the output frequency of the inverter due to a drop
of the load torque during operation in torque control mode. These functions are use
f
ul for
p
rotectin
g
a machine.
Torque
command
Reference torque set by a potentiometer
Load
torque
The speed varies according with the load torque.
Speed
Coast stop
Forward speed
limit level
Reverse speed
limit level
The speed varies according with the load torque.
Speed
Coast stop
Forward speed limit
input level
Reverse speed limit
input level