Rockwell Automation Allen-Bradley PowerFlex 755T User Manual

Rockwell Automation Publication 750-PM101B-EN-P - April 2022 59
Chapter 3 PowerFlex 755T Control Block Diagrams
Figure 38 - Velocity Reference – Flux Vector
Limit
1898
Vel Limit Pos
1899
Max Speed Limit
Accel FF NegGain
u Accel FF Gain
1974
1975
2070
Accel FF Output
Accel
FF
Accel FF Mode
Int Ramp Ref
1972
1978
u Vel Comp Gain
1929
1930
Vel Comp Out
Speed
Comp
Vel Comp Sel
Ramped Ref
Rate Ref
1927
1931
FF Vel Rate Ref
1924
Virtual Encoder
1017 1046
VRef Delayed
Virtual Enc Psn
Virtual EncDelay
One
Scan
Delay
One
Scan
Delay
Position Reg Output
1923
VRef Ramped
1
0
PID Output Sel
(Speed Trim)
0
9:14
Motor Side Sts 1
(Jogging)
0
9:13
PID Output Meter
PReg Vel Out
1767
1932
0
1
Motor Side Sts 1
(Jogging)
354 17
354 17
0
VRef Scale
Velocity Comp
Accel Feed Forward
PI Velocity Trim
Virtual Encoder
1 2 3 4 5 6
BA
D
C
FHEG
I
Velocity Ramp and Move Proles (VRef Move)
1018
Virtual Enc EPR
(Edges Per Rev)
d
dt
d
dt
1931
0
d
dt
1
0
Vel Ctrl Options
(Delayed Ref)
Velocity Control
0 1 2
Disabled
0 1 2 3
2
≠2
365 2
At Limit Status
(MaxSpeed Lmt)
Velocity Reference - Flux Vector (VRef Vect)
Not Used
Ext Ramped Ref
FF Vel Rate Ref
38
Proc 2 [C2]
PRef 1 [C5]
Accel FF Output
Int Ramp Ref
0
354 18
1
0
Motor Side Sts 1
(Stopping)
1
0
0
Start/Stop
Stopping
or Not Active
Not Stopping
and Active
OR
Motor Side Sts 1
(Running)
Motor Side Sts 2
(Autotuning)
354 16 355 9
x
1752
Psn Gear Ratio
354 17
Motor Side Sts 1
(Jogging)
0
1
0
1950
8
VRef All [I4]
Ref NF2
1925
VRef Filtered
X
Ref NF1
1914
VRef Final
1933
VReg Vect [A3]
1973
c Accel FF Gain
Vel Limit Neg
VRef Commanded
PReg Vel Out
36
37
35
PReg [H3]
Trq Ref [G1]
Trq Ref [A2]
Proc 1 [H2]
PRef 1 [I5]
Vel FF
1928
c Vel Comp Gain
PRef 1 [C5]
948 950 949
951
Ref NF2 Freq
Ref NF2 Depth
Ref NF2 Width
Ref NF2 Gain
1
1
0
0
OR
140
130
System C/U Sel
905
1
0
0
Velocity Ref Final Limits
VRef Ramp In
VRef NF In
VRef Psn FF
Cur Lmt Stop
LineLoss Act
VRef FLmt In
VRef Scaled
OR
140
130
Cur Lmt Stop
LineLoss Act
1760 1761
u Vel FF Gain c Vel FF Gain
Ref Move Type
931
LinScurve
SineSquared
Poly5
Cubic
VRef OverRide
(Testpoint 39) =
Velocity Ref
CAM (13)?
0
1
943
Ref NF1 Width
954
Ref NF1 Freq Act
956
Ref NF1 Depth Act
957
Ref NF1 Gain Act
From Anti-Sway [D2]
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 VRef Vect

Rockwell Automation Allen-Bradley PowerFlex 755T Specifications

General

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