ABB ACS880 - Page 348

Def / Type
FbEq 16b / 32b
DescriptionName / Range /
Selection
No.
15Motor
potentiometer
1640.1 Process PID output actual (output of the process
PID controller).
PID
18Control panel reference, with initial value from last-used
panel reference. See section Using the control panel as
an external control source (page 41).
Control panel (ref
saved)
19Control panel reference, with initial value from previous
source or actual value. See section Using the control
panel as an external control source (page 41).
Control panel (ref
copied)
See Terms and abbreviations (page 169).Other [value]
P.9.21 / uint32Selects frequency reference source 2.
For the selections, and a diagram of reference source
selection, see parameter 28.11 Frequency ref1 source.
Frequency ref2
source
28.12
Ref1 / uint16Selects a mathematical function between the reference
sources selected by parameters 28.11 Frequency ref1
source and 28.12 Frequency ref2 source. See diagram
at 28.11 Frequency ref1 source.
Frequency ref1
function
28.13
0Signal selected by 28.11 Frequency ref1 source is used
as frequency reference 1 as such (no function applied).
Ref1
1The sum of the reference sources is used as frequency
reference 1.
Add (ref1 + ref2)
2The subtraction ([28.11 Frequency ref1 source] - [28.12
Frequency ref2 source]) of the reference sources is used
as frequency reference 1.
Sub (ref1 - ref2)
3The multiplication of the reference sources is used as
frequency reference 1.
Mul (ref1 x ref2)
4The smaller of the reference sources is used as
frequency reference 1.
Min (ref1, ref2)
5The greater of the reference sources is used as
frequency reference 1.
Max (ref1, ref2)
Follow Ext1/Ext2
selection / uint32
Configures the selection between frequency references
1 and 2. See diagram at 28.11 Frequency ref1 source.
0 = Frequency reference 1
1 = Frequency reference 2
Frequency ref1/2
selection
28.14
00.Frequency reference
1
11.Frequency reference
2
2Frequency reference 1 is used when external control
location EXT1 is active. Frequency reference 2 is used
when external control location EXT2 is active.
See also parameter 19.11 Ext1/Ext2 selection.
Follow Ext1/Ext2
selection
3Digital input DI1 (10.2 DI delayed status, bit 0).DI1
4Digital input DI2 (10.2 DI delayed status, bit 1).DI2
5Digital input DI3 (10.2 DI delayed status, bit 2).DI3
348 Parameters