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268 Parameters
When speed error window control (see parameter
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
) are
observed by the speed controller.
0
P-control
Only the proportional term (
) is observed by the speed
controller. The integral and derivative terms are internally
forced to zero.
1
Defines the upper boundary of the speed error window. See
parameter
Speed error window control enable
.
0.00 rpm
0.00 … 3000.00
rpm
Upper boundary of speed error window.
See par.
Defines the lower boundary of the speed error window. See
parameter
Speed error window control enable
.
0.00 rpm
0.00 … 3000.00
rpm
Lower boundary of speed error window.
See par.
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.
25
Speed controller settings.
See the control chain diagrams on pages
and
.
Torque reference
speed control
Displays the speed controller output that is transferred to the
torque controller. See the control chain diagram on page
This parameter is read-only.
-
-1600.0 … 1600.0% Limited speed controller output torque.
See par.
No.
Name/Value
Description
Def
/
FbEq16
Summary of Contents for ACS880-01 Series
Page 1: ...ABB industrial drives Firmware manual ACS880 ESP control program option N5600 ...
Page 4: ......
Page 12: ...12 Table of contents ...
Page 20: ...20 Introduction to the manual ...
Page 22: ...22 Using the control panel ...
Page 28: ...28 Control locations and operating modes ...
Page 146: ...146 Application macros ...
Page 502: ...502 Parameters ...
Page 606: ...606 Fault tracing ...
Page 662: ...662 Control chain diagrams ...