ABB ACS880 Firmware Manual page 253

No. Name / Range /
Selection
14.47 AI2 filter time
0.000 ... 30.000 s
14.48 AI2 min
-22.000 ... 22.000 mA
or V
14.49 AI2 max
-22.000 ... 22.000 mA
or V
Description
(Visible when 14.1 Module 1 type
Defines the filter time constant for analog input AI2.
%
100
63
T
-t/T
O = I × (1 - e )
I = filter input (step)
O = filter output
t = time
T = filter time constant
Note: The signal is also filtered due to the signal
interface hardware. See parameter
Filter time constant.
(Visible when 14.1 Module 1 type
Defines the minimum value for analog input AI2.
See also parameter 14.21 AI
Minimum value of AI2.
(Visible when 14.1 Module 1 type
Defines the maximum value for analog input AI2.
See also parameter 14.21 AI
Maximum value of AI2.
= FAIO-01)
Unfiltered signal
Filtered signal
14.46 AI2 filter
= FAIO-01)
tune.
= FAIO-01)
tune.
Parameters 253
Def / Type
FbEq 16b / 32b
0.100 s / real32
t
gain.
1000 = 1 s / 1000 = 1
s
0.000 mA or V /
real32
1000 = 1 mA or V /
1000 = 1 mA or V
10.000 mA or V /
real32
1000 = 1 mA or V /
1000 = 1 mA or V