Parameters 111
Defines the filter time constant for analog input
AI1.
Note:
The signal is also filtered due to the signal
interface hardware (approximately 0.25 ms time
constant). This cannot be changed by any
parameter.
0.100 s
0.000…
30.000 s
Filter time constant.
1000 = 1
Defines the minimum site value for analog input
AI1.
Set the value actually sent to the drive when the
analog signal from plant is wound to its
minimum setting.
See also parameter
.
0.000
0.000…11.000 V
Minimum value of AI1.
1000 = 1
Defines the maximum site value for analog input
AI1.
Set the value actually sent to the drive when the
analog signal from plant is wound to its
maximum setting.
See also parameter
.
10.000
0.000…11.000 V
Maximum value of AI1.
1000 = 1
No.
Name/Value
Description
Def/
FbEq16
63
%
100
T
t
O = I × (1 - e
-t/T
)
I = filter input (step)
O = filter output
t
= time
T = filter time constant
Unfiltered signal
Filtered signal
Summary of Contents for ACQ80
Page 1: ... ABB DRIVES FOR WATER ACQ80 standard program control Firmware manual ...
Page 2: ... Related documents are listed on page 13 ...
Page 4: ......
Page 10: ...10 Table of contents ...
Page 32: ...32 Startup control with I O and ID run ...
Page 34: ...34 Using the control panel ...
Page 74: ...74 Program features ...
Page 78: ...78 Control macros ...
Page 380: ...380 Fieldbus control through a fieldbus adapter ...
Page 384: ...384 Parameterization with Drive Composer ...
Page 388: ...388 Parameterization with Automation builder drive manager ...