Speed Limits In Torque Control Mode - Toshiba TOSVERT VF-A7 Instruction Manual

6.21.3 Speed limits in torque control mode









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 usef
ul for protecting a machine.
Torque
command
Load
torque
Forward speed
limit level
Speed
Reverse speed
limit level
Setting with the control panel
Forward speed limit
input level

Speed
Reverse speed limit
input level

[Setting of forward speed limit level]
(Forward speed limit input selection)
(Forward speed limit input level)
[Setting of reverse speed limit level]
(Reverse speed limit input selection)
(Reverse speed limit input level)
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
Reference torque set by a potentiometer
The speed varies according with the load torque.
The speed varies according with the load torque.
F-42
Coast stop
Coast stop
:(Parameter )
:Set a desirable torque limit level.
:(Parameter )
:Set a desirable torque limit level.