ABB RCNA-01 Manuel d'utilisateur Page 230

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226 Parameter listing and descriptions
ACH550-01 User's Manual
2302 INTEGRATION TIME 0…600.00 s
Sets the integration time for the speed controller.
The integration time defines the rate at which the controller output
changes for a constant error value.
Shorter integration times correct continuous errors faster.
Control becomes unstable if the integration time is too short.
The figure shows the speed controller output after an error step (error
remains constant).
Note: You can use parameter 2305
AUTOTUNE RUN to automatically set
the integration time.
Code Description Range
T
I
Controller output
%
K
p
· e
K
p
· e
e = Error value
K
p
= Gain = 1
T
I
= Integration time > 0
T
D
= Derivation time = 0
t
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