ABB ACS880 Firmware Manual page 248

248 Parameters
No. Name/Value
28.13 Frequency ref1
function
Ref1
Add (ref1 + ref2)
Sub (ref1 - ref2)
Mul (ref1 × ref2)
Min (ref1, ref2)
Max (ref1, ref2)
28.14 Frequency ref1/2
selection
Frequency
reference 1
Frequency
reference 2
Follow Ext1/Ext2
selection
DI1
DI2
DI3
DI4
DI5
DI6
Other [bit]
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Description
Selects a mathematical function between the reference
sources selected by parameters
and 28.12 Frequency ref2
Frequency ref1 source.
Signal selected by 28.11 Frequency ref1 source
frequency reference 1 as such (no function applied).
The sum of the reference sources is used as frequency
reference 1.
The subtraction ([28.11 Frequency ref1
Frequency ref2 source]) of the reference sources is used as
frequency reference 1.
The multiplication of the reference sources is used as
frequency reference 1.
The smaller of the reference sources is used as frequency
reference 1.
The greater of the reference sources is used as frequency
reference 1.
Configures the selection between frequency references 1 and
2. See diagram at 28.11 Frequency ref1
0 = Frequency reference 1
1 = Frequency reference 2
0.
1.
Frequency 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
Digital input DI1 (10.02 DI delayed
Digital input DI2 (10.02 DI delayed
Digital input DI3 (10.02 DI delayed
Digital input DI4 (10.02 DI delayed
Digital input DI5 (10.02 DI delayed
Digital input DI6 (10.02 DI delayed
Source selection (see Terms and abbreviations
28.11 Frequency ref1 source
source. See diagram at 28.11
is used as
source] - [28.12
source.
selection.
status, bit 0).
status, bit 1).
status, bit 2).
status, bit 3).
status, bit 4).
status, bit 5).
on page 112). -
Def/FbEq16
Ref1
0
1
2
3
4
5
Follow
Ext1/Ext2
selection
0
1
2
3
4
5
6
7
8