ABB DriveIT ACH550-01 User Manual page 231

ACH550 User's Manual
Group 23: Speed Control
This group defines variables used for speed control operation.
Code Description
2301 PROP GAIN
Sets the relative gain for the speed controller.
• Larger values may cause speed oscillation.
• The figure shows the speed controller output after an error step
(error remains constant).
Note! You can use parameter 2305,
automatically set proportional gain.
Controller
output =
K * e
p
Parameter listing and descriptions
%
Error Value
Controller Output
Range
0.00...200.0
, to
AUTOTUNE RUN
Gain = K = 1
p
T = Integration time = 0
I
T = Derivation time = 0
D
e = Error value
t
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