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ABB ACS880-17 - Speed Control

ABB ACS880-17
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Parameters 231
Enable 1. 1
Other [bit] Source selection (see Terms and abbreviations on page 114). -
24.42 Speed window
control mode
When speed error window control (see parameter 24.41
Speed error window control enable) is enabled, this parameter
determines whether the speed controller only observes the
proportional term instead of all three (P, I and D) terms.
Normal
speed control
Normal speed
control
All three terms (parameters 25.02, 25.03 and 25.04) are
observed by the speed controller.
0
P-control Only the proportional term (25.02) is observed by the speed
controller. The integral and derivative terms are internally
forced to zero.
1
24.43 Speed error window
high
Defines the upper boundary of the speed error window. See
parameter 24.41 Speed error window control enable.
0.00 rpm
0.00 … 3000.00
rpm
Upper boundary of speed error window. See par.
46.01
24.44 Speed error window
low
Defines the lower boundary of the speed error window. See
parameter 24.41 Speed error window control enable.
0.00 rpm
0.00 … 3000.00
rpm
Lower boundary of speed error window. See par.
46.01
24.46 Speed error step Defines an additional speed error step given to the input of the
speed controller (and added to the speed error value). This
can be used in large drive systems for dynamic speed
normalizing.
WARNING! Make sure the error step value is removed
when a stop command is given.
0.00 rpm
-3000.00 …
3000.00 rpm
Speed error step. See par.
46.01
25
25 Speed control
Speed controller settings.
See the control chain diagrams on pages 587 and 588.
25.01 Torque reference
speed control
Displays the speed controller output that is transferred to the
torque controller. See the control chain diagram on page 588.
This parameter is read-only.
-
-1600.0 … 1600.0% Limited speed controller output torque. See par.
46.03
No. Name/Value Description Def/FbEq16

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