Rockwell Automation Publication 750-PM101B-EN-P - April 2022 41
Chapter 3 PowerFlex 755T Control Block Diagrams
Motor Side Inverter Control Diagrams
Figure 20 - Flux Vector Overview
Flux Vector Overview (Vector Overview)
PID Regulator
Process Control
9:4
9:5
PID Prop Gain
PID Int Time
9:6
PID Deriv Time
9:36
PID Fdbk Meter
PID Ref Meter
9:26
9:10
PID LPF
BW
9:13
PID Output Meter
9:25
PID Ref Sel
9:35
PID Fdbk Sel
PID
Reference
Selection
PID
Feedback
Selection
Limit
( PID Output Meter )
( PReg Vel Out )
( Vel Comp Out )
( VRef Scaled )
+
+
+
FOC
Perm Magn
& Vector
Control
Current
Processing
Motor
Load
E
1
E
2
Gear
VRef Selection
&
Limits
1800
1807
1815
1816
1817
1818
1820
1819
VRef A Sel
VRef B Sel
Preset Speed 2
Preset Speed 3
Preset Speed 4
Preset Speed 5
Preset Speed 6
Preset Speed 7
1814
Preset Speed 1
1850
RefA TrimPct Sel
1860
RefB TrimPct Sel
1855
RefA Trim Sel
1865
RefB Trim Sel
1892
VRef Selected
PID Output Sel
9:14
PID Vel
Exclusive
Selection
Jogging
Selection
1894
Jog Speed 1
1895
Jog Speed 2
Vector
Ramp &
Move
Proles
Virtual Encoder
+
+
Vel FF
Selection
Vel Comp
Accel FF
PID Output Sel
9:14
PID Speed
Trim
Selection
1927Vel Comp Sel
1972
Accel FF Mode
2070
1930
1923
VRef
Ramped
Velocity Control – Reference
+
+
( PID Output Meter )
+
+
Torque
Ref
Selection
Position/
Velocity/
Torque
Mode
Selection
2000
Trq Ref A Sel
2007
Trq Ref B Sel
PID Output Sel
9:14
PID Torque
Trim / Excl
Selection
+
+
2077
Torque Step
Torque
Ref
Filters
Limit
2087
Trq Ref Limited
Accel FF
Output
Torque Control
Torque
Limit
Generation
2076
Trq Ref Selected
Vel Comp
Out
PsnVelTrq Actv
34
PsnVelTrq Actv
34
x
+
Speed
Ref
TrimPct
Ref
Trim
Ref
VRef Scale
1932
1383
PTP Ref
Sel
PI
Regulator
PTP
Position
Planner
PTP Ref
Selection
1681
Direct Ref
Selection
PRef
Select
Vel
Psn
Position Control
Position
Mode
Selection
1684
PRef
Selected
1755
u PReg Kp
1757
u PReg Ki
Gear Ratio
[ N ]
[ D ]
Position
Oset
Position
Fdbk
Selection
1746
Position Fb
Proportional Channel
Integration Channel
1767
PReg Vel Out
+
+
PReg Fb Sel
1013
PsnVelTrq Actv
34
34
1391
PTP Command
1683
PRef Direct
Feedback
Option
Cards
Position
Preset
Homing
Home Psn
User
1648
6
1745 Position Actual
Init
PsnVelTrq Actv
1404
PTP Reference
1686
PRef EGR Out
1731
Position Command
Load Fdbk
Selection
Load Psn
Fb Sel
1014
PTP Mode
Selection
Gear Ratio
[ N ]
[ D ]
X
x
1752 Psn Gear Ratio
1752
Psn Gear Ratio
2057
FrctnComp
Out
+
Friction Comp
2050
FrctnComp
Mode
1042
Vel Fb Active
PI Regulator
Velocity Control – Regulator
906
1956VReg Kp
VReg Ki
1958
System BW
1042
Vel Fb Active
VRef Final
1933
1961
Droop RPM
at FLA
1969
VReg Output
Limit
1898
Vel Limit Pos
1899
Vel Limit Neg
x
Load
Observer
-
2080
Trq Ref
Filtered
X
Total
Inertia
Accel FF Gain
1955
1957
Ref NF 1 &
Ref NF 2
19741973
Ref NF 1
&
Ref NF 2
Proler
Steps 1-16
x
1752
Psn Gear Ratio
Spd Proler
Pos Proler
( VRef Prolr )
Speed
Proling
Selection
34
PCAM
Planner
PLL
Planner
1426
PCAM Psn
Select
1595
PLL PRef
Sel
Vel
Vel
Pos
Pos
1591
PLL Ext
Vel Sel
1405PTP VRef Fwd
1503
PCAM Vel Out
1612
PLL Vel Out
( Vel FF Ref )
PsnVelTrq Actv
LdObs Mode
2020
x
1761
1760
Vel FF Gain
2072
Trq Ref Out
2073
Trq
Commanded
Trq Ref A Stpt
2001
Trq Ref B Stpt
2008
Vel
Ref
CAM
Trq
Ref
CAM
+
Trq
Ref
CAM
+
2524
TqCAM Trq Out
'
'
'
Overview VarCtrl PFC Vector Overview PRef Move Prof Ind 2 VelRefCAM Ld Obs Cur IPM MOP Logic
Metering DroopCtrl CurPwrLmt Freq Overview PRef2 Roll Psn VRef Vect Friction Comp Proc 1 22Series IO Digital Invert
PLL DBC CurrCtrl CBI Metering PReg Spindle Ref Move Trq RefCAM Proc 2 22Series IO Digital Motor I2T
PwrLoss VoltRefGen LscCtrlCfg Fdbk Psn PLL VRef Overview VReg Vect Trq Ref AntiSway 11-Series IO Digital High Speed Wizard
LscData VoltCtrl DriveDerating Homing Psn CAM VRef Sel Trq Overview Trq Filt Oil Well 1 22-Series IO Analog
CurRefGen DCBusObs PRef1 Prof Ind 1 VRef All Trq Ref Sel Cur IM SPM Oil Well 2 22-Series IO Analog Vector Overview
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