Program features 47
Torque control mode
In torque control mode, the motor torque follows a torque reference given to the drive.
Torque control mode is available in both local and external control locations. It is
supported in vector motor control only.
Torque control uses torque reference chain.
Settings and diagnostics
Parameter group: 26 Torque reference chain
Events: -
Frequency control mode
In frequency control mode, the motor follows the drive output frequency reference.
Frequency control is available in both local and external control location. It is
supported in scalar motor control only.
Frequency control uses frequency reference chain.
Settings and diagnostics
Parameter group: 28 Frequency reference chain (page 185)
Events: -
Special control modes
In addition to the above-mentioned operating modes, the following special operating
modes are available:
• Process PID control. For more information, see section Process PID control on
page 70.
• 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 Jogging on page 58.
• Pre-magnetization: DC magnetization of the motor before start. For more
information, see section Pre-magnetization on page 66.
• DC hold: Locking the rotor at (near) zero speed in the middle of normal operation.
For more information, see section DC hold on page 66.
• Pre-heating (motor heating): Keeping the motor warm when the drive is stopped.
For more information, see section Pre-heating (Motor heating) on page 67.
Settings and diagnostics
Parameter groups: 06 Control and status words, 20 Start/stop/direction, 22 Speed
reference selection, 23 Speed reference ramp and 40 Process PID set 1.
ACS180 FW.book Page 47 Tuesday, March 9, 2021 2:25 PM
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