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■
Torque control mode
Motor torque follows a torque reference given to the drive. Torque control is
possible without feedback, but is much more dynamic and accurate when used in
conjunction with a feedback device such as an encoder or a resolver. It is
recommended that a feedback device is used in crane, winch or lift control
situations.
Torque control mode is available in DTC motor control mode for both local and
external control locations.
■
Frequency control mode
The motor follows a frequency reference given to the drive. Frequency control is
only available in scalar motor control mode.
■
Special control modes
In addition to the control modes mentioned above, the following special control
modes are available:
•
Process PID control. For more information, see section
.
•
Emergency stop modes Off1 and Off3: Drive stops along the defined
deceleration ramp and drive modulation stops.
•
Jogging mode: Drive starts and accelerates to the defined speed when the
jogging signal is activated. For more information, see section
Control locations and operating modes 43
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