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ABB ACS880 - Feedback Selection

ABB ACS880
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Def / Type
FbEq 16b / 32b
DescriptionName / Range /
Selection
No.
Motor and load feedback configuration.Feedback selection90
See also section Encoder support (page 92), and the
diagram on page 747.
- / real32Displays the estimated or measured motor speed that
is used for speed control, ie. final motor speed feedback
Motor speed for
control
90.1
selected by parameter 90.41 Motor feedback selection
and filtered by 90.42 Motor speed filter time.
In case measured feedback is selected, it is also scaled
by the motor gear function (90.43 Motor gear
numerator and 90.44 Motor gear denominator).
Estimated speed is always used in scalar control.
Note: This parameter is read-only.
- / -Motor speed used for control.
For scaling, see parameter 46.1.
-32768.00 ...
32767.00 rpm
- / real32Displays the motor position (within one revolution)
received from the source selected by parameter 90.41
Motor feedback selection.
Motor position90.2
In case measured feedback is selected, it is also scaled
by the motor gear function (90.43 Motor gear
numerator and 90.44 Motor gear denominator).
Note: This parameter is read-only.
32767 = 1 rev /
100000000 rev
Motor position.0.00000000 ...
1.00000000 rev
- / real32Displays the estimated or measured load speed that
is used for motor control, ie. final load speed feedback
Load speed90.3
selected by parameter 90.51 Load feedback selection
and filtered by 90.52 Load speed filter time.
In case measured feedback is selected, it is also scaled
by the load gear function (90.53 Load gear numerator
and 90.54 Load gear denominator).
In case motor feedback or estimated feedback is used,
it is inversely scaled by 90.61 Gear numerator and 90.62
Gear denominator (ie. 90.62 divided by 90.61).
Note: This parameter is read-only.
- / -Load speed.
For scaling, see parameter 46.1.
-32768.00 ...
32767.00 rpm
- / int32Displays the load position received from the source
selected by parameter 90.51 Load feedback selection.
Load position90.4
The value is multiplied as specified by parameter 90.57
Load position resolution.
In case measured feedback is selected, it is also scaled
by the load gear function (90.53 Load gear numerator
and 90.54 Load gear denominator).
In case motor feedback or estimated feedback is used,
it is inversely scaled by 90.61 Gear numerator and 90.62
Gear denominator (ie. 90.62 divided by 90.61).
An offset can be defined by 90.56 Load position offset.
Note: This parameter is read-only.
Parameters 565

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