Rockwell-automation 21G PowerFlex 750-Series AC Drives Programming Man Manual de usuario Pagina 378

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378 Rockwell Automation Publication 750-PM001J-EN-P - October 2014
Appendix A PowerFlex 753 Control Block Diagrams
Figure 14 - Position Control - Homing
Homing Status
0
1
2
3
Home Request
Home Enabled
Homing
At Home
731
Homing Control
0
1
2
3
4
5
6
Find Home
Home DI
Home Marker
Return Home
Psn Redefine
Homing Alarm
Home DI Inv
Speed
Position
735
Find Home Speed
736
Find Home Ramp
737
Actual Home Psn
738
User Home Psn
784
PTP
Command
Position Control – Homing
1
2
3
4
5
6
BA
D
C
FE HG
I
Spd Ref
To Spd Ref
[6G3]
[11E3]
7
Hold At Home
732 DI Find Home
733 DI Redefine Psn
734 DI OL Home Limit
960
8
Alarm Status B
Homing Actv
9
Not Home Set
730
+
-
+-
847
135
Psn Fdbk Sel
Psn Fdbk
Source
Parameter
Selection
725
Zero Position
To Psn
Regulator
[12B3]
836
Psn
Actual
Psn Fdbk
1. When Homing function is enabled,
Psn Actual
[P836] is loaded with
Psn Fdbk [P847] .
2. When Homing function is complete,
Zero Position [P725] is loaded with
Actual Home Position [P737] - User
Home Position [P738].
Then Psn Actual [P836] is loaded with
Psn Fdbk [P847] -
Zero Position
[P725].
3. When Position Redefine is enabled,
Actual Home Position [P737] is loaded
with Psn Fdbk [P847] .
PF753 Rev_10.a
Page 14
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