Rockwell-automation 21G PowerFlex 750-Series AC Drives Programming Man Manual de usuario Pagina 367

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Rockwell Automation Publication 750-PM001J-EN-P - October 2014 367
PowerFlex 753 Control Block Diagrams Appendix A
Figure 3 - Speed/Position Feedback
1
2
3
4
5
6
BA
D
C
FE HG
I
Speed/Posit Fdbk
125
128
Primary
Velocity Fdbk
Processing
Alternate
Velocity Fdbk
Processing
Motor Simulator
Virtual Encoder
Open Loop
Virtual Encoder
Aux Velocity
Fdbk
Processing
127
130
Pri Vel Feedback
Alt Vel Feedback
Pri Vel Fdbk Sel
Alt Vel Fdbk Sel
0
1
847
Psn Fdbk
Spd Options Cntl
(Auto Tach SW)
Fdbk Loss
Detect
936
5
635
7
Drive Status 2
(FdbkLoss SwO)
Display
Filtering
3
Mtr Vel Fdbk
131
Active Vel Fdbk
To Spd Reg
[9B4], [10A3], [18a B3], [18b B3]
To Posit Reg,
Position Homing
[12A4], [14C4]
135
Psn Fdbk Sel
132
Aux Vel Fdbk Sel
126
Pri Vel FdbkFltr
129
Alt Vel FdbkFltr
597
Final Speed Ref
76
Total Inertia
690
Limited Trq Ref
1
Output Frequency
5
Torque Cur Fdbk
137
Open Loop Fdbk
621
Slip RPM at FLA
138
Simulator Fdbk
134
Aux Vel Feedback
133
Aux Vel FdbkFltr
Pri Vel
Fdbk
Source
Alt Vel
Fdbk
Source
Psn Fdbk
Source
Aux Vel
Fdbk
Source
Parameter
Selection
Parameter
Selection
Parameter
Selection
Parameter
Selection
From Spd Ref
[9D3]
From Torq Ctrl Current
[18a E2], [18a E2]
[9I4]
To Spd Ref
[5A3]
VF or SV &
Open Loop
Control Mode/
Feedback Mode
***INTERNAL CONDITION ONLY***
PF753 Rev_10.a
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