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106 Program features
Reference trimming
In reference trimming, the external reference is corrected depending on the
measured value of a secondary application variable. The block diagram below
illustrates the function.
Settings
Parameter
Additional information
REF1/2 selection
Trimming function settings
,
PID control settings
Drive operation limits
REF’
0
max. freq
PID2 ref
4232 CORRECTION SRC
4231 TRIM SCALE
1105 REF1 MAX /
Mul.
Add
PID2
4230
Select
DIRECT (2)
PROPOR. (1)
NOT SEL (0)
REF1 (Hz/rpm) /
REF2 (%)
1
)
Mul.
Switch
2)
Switch
PID2 act
PID2
REF1
(Hz/rpm) /
REF2 (%)
1)
1108 REF 2 MAX
2)
output
REF1 (Hz/rpm) / REF2 (%) = The drive reference before trimming
REF’ = The drive reference after trimming
max. freq = par.
if the absolute value is greater)
PID2 ref = par.
4210
PID2 act = par.
4214…4221
1)
REF1 or REF2 depending on which is active. See parameter
2)
= PID2REF, the maximum trimming reference is defined by parameter
when REF1 is active and by parameter
when REF2 is active.
When par.
= PID2 OUTPUT, the maximum trimming reference is defined by parameter
value.
Содержание ACS320 series
Страница 1: ...ABB drives User s manual ACS320 drives 0 5 to 30 hp ...
Страница 4: ......
Страница 18: ...18 Safety ...
Страница 28: ...28 Operation principle and hardware description ...
Страница 56: ...56 Electrical installation ...
Страница 142: ...142 Program features Connection diagram example ACS320 xx xxxx x ...
Страница 282: ...282 Actual signals and parameters ...
Страница 358: ...358 Fieldbus control ...
Страница 376: ...376 Fault tracing ...
Страница 382: ...382 Maintenance and hardware diagnostics ...
Страница 407: ...Dimension drawings 407 Frame size R2 NEMA 1 Frame size R2 IP20 NEMA 1 3AUA0000051097 A ...
Страница 409: ...Dimension drawings 409 Frame size R3 NEMA 1 Frame size R3 IP20 NEMA 1 3AUA0000051118 A ...
Страница 411: ...Dimension drawings 411 Frame size R4 NEMA 1 Frame size R4 IP20 NEMA 1 3AUA0000051133 A ...
Страница 412: ...412 Dimension drawings ...
Страница 413: ...Index Numerics A B C D E F G H I K L M N O P R S T ...
Страница 442: ...www abb com drives www abb com drivespartners 3AUA0000062599 Rev E EN EFFECTIVE 2016 07 05 Contact us 3AUA0000062599E ...