Mitsubishi Electric FR-A820-00046 Instruction Manual page 306

Torque control under Real sensorless vector control and vector control
Operation transition
Speed
Start signal
Output torque
Fig. 5-39:
● If the setting value of Pr. 7 and Pr. 8 is "0", turning OFF the start signal enables speed control, and
the output torque is controlled by the torque limit value.
Start signal
Output torque
Fig. 5-40:
Item
Start signal
Torque command
Speed limit
Tab. 5-45:
5 - 126
Speed limit value is
increased up to preset value
according to the Pr. 7
Acceleration time setting.
Speed limit
Speed control is peformed during speed
limit. (Thus, torque according to the
commanded is not developed.)
Transition operation
Speed
Transition operation
Description
External operation
PU operation
Selects the torque command input method and inputs the torque command.
Selects the speed limit input method and inputs a speed limit value.
Signal input
Speed limit value
Torque control
Torque control
Limit at the torque limit value
STF, STR signal
FWD or REV key on the operation panel or the parameter unit
Parameters
Speed limit value is decreased
down to zero according to the Pr. 8
Deceleration time setting.
Speed limit
Output torque is provided
according to the terminal 1
setting.
Speed limit value
Speed control
(speed limit)
Output torque is provided
according to the terminal 1
setting.
I002530E
I002531E