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ABB ACS355 series - Settings

ABB ACS355 series
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Program features 145
Settings
Parameter groups 23 SPEED CONTROL and 20 LIMITS
Diagnostics
Actual signal 0102 SPEED
Speed control performance figures
The table below shows typical performance figures for speed control.
100
t (s)
T
T
N
(%)
T
load
n
act
-n
ref
n
N
Area < 1% s
T
N
= rated motor torque
n
N
= rated motor speed
n
act
= actual speed
n
ref
= speed reference
Speed
control
No pulse
encoder
With pulse
encoder
Static
accuracy
20% of motor
nominal slip
2% of motor
nominal slip
Dynamic
accuracy
< 1% s with
100% torque
step
< 1% s with
100% torque
step

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