ABB ACS560 Firmware Manual page 48

48 Program features
The figure below is a simplified block diagram of the speed controller. The controller
output is the reference for the torque controller.
Speed
reference
Actual speed
Warning indications
A warning message AF90, will be generated if the autotune routine does not
complete successfully. See chapter
Settings and diagnostics
Parameters groups:
data (page 365).
Parameters: 25.02 Speed proportional gain
(page 231), 25.33 Speed controller autotune...25.40 Autotune repeat times
235), 30.12 Maximum speed
Events: AF90 Speed controller autotuning
Error
+
-
value
Fault tracing
25 Speed control (page 230),
(page 253) and
Derivative
acceleration
compensation
Proportional,
integral
Derivative
(page 409) for further information.
30 Limits (page 251) and
(page 230), 25.03 Speed integration time
99.09 Motor nominal speed
(page 422).
+
Torque
+
reference
+
99 Motor
(page
(page 366).