Program features 57
The figure below is a simplified block diagram of the speed controller. The controller
output is the reference for the torque controller.
Warning indications
A warning message AF90, will be generated if the autotune routine does not
complete successfully. See chapterFault tracing (page 331) for further information.
Settings and diagnostics
Parameters groups: 25 Speed control (page 175), 30 Limits (page 197) and 99 Motor
data (page 291).
Parameters: 25.02 Speed proportional gain (page 176), 25.03 Speed integration
time (page 177), 25.33 Speed controller autotune…25.40 Autotune repeat times
(page 180), 30.12 Maximum speed (page 199) and 99.09 Motor nominal speed(page
293).
Events: AF90 Speed controller autotuning (page 491).
Rush control
Rush control is automatically on when the operation mode is torque. In torque control,
the motor could potentially rush if the load were suddenly lost. The control program
Derivative
Proportional,
integral
Derivative
acceleration
compensation
Torque
reference
Speed
reference
Actual speed
Error
value
-
+
+
+
+
ACS180 FW.book Page 57 Tuesday, March 9, 2021 2:25 PM
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