Rockwell-automation 21G PowerFlex 750-Series AC Drives Programming Man Manual de usuario Pagina 376

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376 Rockwell Automation Publication 750-PM001J-EN-P - October 2014
Appendix A PowerFlex 753 Control Block Diagrams
Figure 12 - Position Control - Regulator
Gear Rat
[ N ]
[ D ]
816
817
Psn EGR Mult
Psn EGR Div
815
847
P Gain
kp
839
I Gain
ki
s
838
Limit
841
840
842
836
Droop
846
Limit
845
844
Psn
Actual
Psn Reg Ki
Psn Reg Droop
Psn Reg Kp
PsnReg IntgrlOut
Psn Reg Status
PReg Pos Int Lmt
PReg Neg Int Lmt
Psn Reg Status
Psn Ref EGR Out
PReg Neg Spd Lmt
PReg Pos Spd Lmt
PsnReg
Spd Out
835
Psn Error
Notch
II
R
724 5
724 6
Calib
Const
Calib
Const
724
3
724
4
831
830
PsnNtchFltrDepth
PsnNtchFltrFreq
+
+
+
-
+
-
+
-
Psn Fdbk
Position Reference Offset
Electronic Gear Ratio
+
+
Intgrtr Enbl
Intgrtr Hold
7211
7215
&
From
Posit Ref
[11I4]
Notch Filter
Speed Limits
PI Regulator
Inv
Σ
Σ
Σ
723
Psn Command
Σ
Σ
725
Xzero
Preset
721
4
Position Control
(Zero Psn)
Zero
Position
1
2
3
4
5
6
B
A
D
C
FE HG
I
Pos Fdbk Scaling
Spd/Trq
Modes
Psn
Modes
0
843
832
834
Psn Out FltrGain
Psn Out Fltr BW
Lead Lag
(kn * s)+ wn
s + wn
833
Psn Out Fltr Sel
Output Filter
Psn Selected
Ref
722
Position Control – Regulator
721
0
Position Control
1
Reserved
Offset ReRef
2
OffsetVel En
3
Zero Psn
4
Intgrtr Hold
5
Intgrtr En
6
Reserved
7
Reserved
724
0
Psn Reg Status
1
Spd Lmt Hi
Spd Lmt Lo
2
Integ Lmt Hi
3
Integ Lmt Lo
4
Intgrtr Hold
5
6
Offset ReRef
7
8
Reserved
9
InPsn Detect
10
11
Psn Intgrtr
8
Reserved
9
Reserved
Reserved
OffsetIntgrtr
Psn Reg Actv
1. If Zero Psn [P721 Bit 04] is set, Psn
Actual [P836] is loaded with
Psn Fdbk [P847] – Zero Position
[P725].
2. Else, if Homing function is enabled,
Psn Actual [P836] is loaded with
Psn Fdbk [P847] .
3. Else, Psn Command
[P723] and
Psn Ref EGR Out
[P815] are loaded
with
Psn Actual
[P836]
ReRef
Rate Lim
824
Psn Offset Vel
Position Control
(OffsetReRef)
Position Control
(OffsetVel En)
721 3
+
+
721
2
0
1
Integ Lmt Lo
Integ Lmt Hi
Actv SpTqPs
Mode
Spd Lmt Lo
Spd Lmt Hi
313
Psn Offset 1 Sel
820
821
Other Ref
Sources
Psn Offset 1
Parameter
Selection
Psn Offset 2 Sel
822
823
Other Ref
Sources
Psn Offset 2
Parameter
Selection
[3H4]
[13D3]
[17D5]
To Spd Ref
[7E5]
10
Add Spd Ref
Position Control
[14F3]
Homing
Parameter initializatio
ns performed with
Position Regulator INACTIVE
EGR is skipped when
Point to Point Position
control is active.
PF753 Rev_10.a
Page 12
848
Psn Gear Ratio
Motor Speed
Gear Output Spd
()
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