65 fdbk filter sel, 66 fdbk filter gain, 67 fdbk filter bw – Rockwell Automation 1336E IMPACT Adjustable Frequency AC Drive User Manual V 1-4.XX User Manual
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Parameters
11-25
65
Fdbk Filter Sel
Use Fdbk Filter Sel to select the type of feedback filter. You can
choose among the following filters:
Value
Description
0
No Filter
Use this option if you do not want to filter the feedback.
1
35/49 rad
Use a “light” 35/49 radian feedback filter.
2
20/40 rad
Use a “heavy” 20/40 radian feedback filter.
3
Lead/Lag
Use a single pole lead lag feedback filter. You need to set
up Fdbk Filter Gain (par. 66) and Fdbk Filter BW
(par. 67).
4
Notch
Use a notch filter. You need to set up Notch Filtr Freq
(par. 185) and Notch Filtr Q (par. 186).
Parameter number
File:group
Control:Speed Feedback
Parameter type
linkable destination
Display
x
Factory default
0
Minimum value
0
Maximum value
4
Conversion
1 = 1
Refer to Appendix B, Control Block Diagrams, for information
about Fdbk Filter Sel.
66
Fdbk Filter Gain
Use Fdbk Filter Gain to specify the Kn term of the single pole
lead/lag feedback filter.
You need to set this parameter if Fdbk Filter Sel (parameter 65) is
set to 3.
Parameter number
File:group
Control:Speed Feedback
Parameter type
linkable destination
Display
±x.xx
Factory default
+1.00
Minimum value
-5.00
Maximum value
+5.00
Conversion
256 = 1.00
If KN is:
Then:
Greater than 1.0
A lead filter is produced.
Less than 1.0
A lag filter is produced.
Equal to 1.0
The feedback filter is disabled.
Equal to 0.0
A simple, low pass filter is produced.
67
Fdbk Filter BW
Use Fdbk Filter BW to establish the breakpoint frequency (in
radians) for the speed feedback lead/lag filter. You need to set
this parameter if Fdbk Filter Sel (parameter 65) is set to 3.
Parameter number
File:group
Control:Speed Feedback
Parameter type
linkable destination
Display
x.x radians/second
Factory default
100.0 radians/second
Minimum value
0.2 radian/second
Maximum value
900.0 radians/second
Conversion
10 = 1.0