ABB ACS880+N5350 User Manual page 132

Parameter (Number)
Block Title
STANDARD AI AI SUPERVISION SELECTION
(12.04)
(Continued)
AI1 ACTUAL VALUE (12.11)
AI1 UNIT SELECTION (12.15)
AI1 FILTER TIME (12.16)
3AXD50000011888
Table 12-4 Level 1 Parameter Block Definitions
Selection (Value)
Default: 0000b
Range: 0000b - 1111b
Specifies the analog input limits to be supervised. See parameter
12.03 AI supervision function.
Bit
0
1
2
3
4-15
Default: Read Only
Range: -22.000 to +22.000mA or V
Displays the value of analog input AI1 in mA or V (depending on
whether the input is set to current or voltage by a hardware setting).
This parameter is read-only.
Default: V
Range: V or mA
V Volts
mA Milliamperes
Selects the unit for readings and settings related to analog input AI1.
Note: This setting must match the corresponding hardware setting on the
Default: 0.100 s
Range: 0.000 - 30.000 s
Defines the filter time constant for analog input AI1.
%
100
63
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
(approximately 0.25 ms time constant). This cannot be changed
Descriptions
Name Description
AI1 < MIN 1 = Minimum limit supervision of AI1 active
AI1 > MAX 1 = Maximum limit supervision of AI1 active
AI2 < MIN 1 = Minimum limit supervision of AI2 active
AI2 > MAX 1 = Maximum limit supervision of AI2 active
Reserved
drive control unit (see the hardware manual of the drive).
Control board reboot (either by cycling the power or through
parameter 96.08 Control board boot) is required to validate any
changes in the hardware settings.
Unfiltered signal
Filtered signal
T
-t/T
)
by any parameter.
Startup Assistant & Parameters 12-53
t