Rockwell Automation Allen-Bradley PowerFlex 755T User Manual

44 Rockwell Automation Publication 750-PM101B-EN-P - April 2022
Chapter 3 PowerFlex 755T Control Block Diagrams
Figure 23 - Feedback Configuration & Status
1 2 3 4 5 6
BA
D
C
FHEG
I
Feedback Conguration & Status (Fdbk)
1000
1006
Primary
Velocity Fb Processing
Alternate
Velocity Fb Processing
Motor Simulator
Virtual Encoder
FV Open Loop Calc
Aux Velocity
Reference
Processing
Ld Obs [A5], Trq Ref [A4]
1040
1041
Pri Vel Feedback
Alt Vel Feedback
Pri VelFb Sel
Alt VelFb Sel
0 1
Fb Loss Action
Fdbk Loss
Detect
355 5
Motor Side Sts 2
Display
Filtering
1044
Motor Vel Fb
1042
Vel Fb Active
VReg Vect [A3], Cur IM [B3] Cur IPM [B3]
1832
Enc VRef Sel
1001
Vel Fb Taps
1007
Alt Vel Fb Taps
1933
VRef Final
901
Load Ratio
1018
Virtual Enc EPR
2087
Trq Ref Limited
8
Torque Cur Fb
1048
Open Loop Fb
1050
Simulator Fb
1834
Enc VRef
1833
Enc VRef Taps
Pri Vel
Feedback
Source
Alt Vel
Feedback
Source
Aux Encoder Vel
Reference
Source
Parameter
Selection
Parameter
Selection
Parameter
Selection
VRef Overview [G4]
Cur IM SPM [E2]
Cur IPM [E2]
VRef Sel [A3]
2034
LdObs Vel Est
2020
LdObs Mode
LPF
LPF
Note: Load Observer Velocity Estimate is not available in Torque or with Open Loop Feedback
0
2, 3
0, 1, 4
1
1008 1009 u AltVelFbLPF BW
1002 1003
c Vel Fb LPF BW u Vel Fb LPF BW
Ld Obs [H5]
Trq Ref [C4]
Ld Obs [C3]
2028
LdObs Vel Fb In
(Fdbk Loss Sw0)
900
Motor Inertia
1019
LdObs Mode [2020]:
0- Disabled 1- LdObs Only 2- LdObs VelEst 3- Vel Est Only 4- Accel Fdbk
1746
Position Fb
Homing [B4], PRef 1 [C5], PReg [A3, A4] Roll Psn [A2]. Spdl Orient [A2].
1013
1012
1769
1770
Pri Position Fb
Alt Position Fb
PReg Fb Sel
0 1
Pri Psn
Feedback
Source
Alt Psn
Feedback
Source
Parameter
Selection
Parameter
Selection
Alt PReg Fb Sel
1004 1005
c Vel Fb LPF Gn u Vel Fb LPF Gn
1021 1022
c AltVelFbLPF BW
u AltVelFbLPF Gn c AltVelFbLPF Gn
Torque Current Ref
Cur IM, SPM [H2]
527526
VEncdls
FReg Kp
VEncdls
FReg Ki
0 1
= Open Loop
1
0
= Open Loop
Open Loop
Virtual Encoder
1018
Virtual Enc EPR
Open Loop
Velocity
(Est Mtr Omega)
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 Fdbk

Rockwell Automation Allen-Bradley PowerFlex 755T Specifications

General

Brand	Rockwell Automation
Model	Allen-Bradley PowerFlex 755T
Category	DC Drives
Language	English