Rockwell Automation Allen-Bradley PowerFlex 755T User Manual

62 Rockwell Automation Publication 750-PM101B-EN-P - April 2022
Chapter 3 PowerFlex 755T Control Block Diagrams
Figure 41 - Velocity Regulator – Flux Vector
1952
1953
1965 1966
1961
Droop
1933 1042
1951
1962
1969
ServoLck
k
s
s
1980 2076
Accel Limit Pos
Accel Limit Neg
FeedFwd
n
VelFb Active
VRef Final
Velocity Error
VReg Anti Backup
Servo Lock Gain
PTP PsnRefStatus
(PTP Int Hold)
Vel Ctrl Options
(SpdRegIntRes)
(SpdRegIntHld)
(Jog No Integ)
Trq Ref Selected
Droop RPM at FLA
VReg Enable
VReg Output
Trq Ref [B2]
VReg Int Out
1 2
3
4 5 6
BA
D
C
FHEG
I
Fdbk [G2]
+
-
+
+
-
+
+
+
+
-
2
1950 3
4
365
At Limit Status
Preset
Bumpless
Hold / Reset
PsnVelTrq Actv
VReg Trq Preset
1956
u VReg Kp
365 4
At Limit Status
(Spd Reg Lmt)
1380
1958
u VReg Ki
6
Velocity Regulator - Flux Vector (VReg Vect)
40
34
VRef Vect [H6]
Trq Ref [G3]
Trq Ref [E5]
0
0
1
45
Limit
+10%
-10%
Limit
1957
1955
c VReg Ki
c VReg Kp
43
3
905
System BW System Damping
906 907
Set (905) System C/U Sel = User to manually adjust Kp and Ki gains. Otherwise the following params determine Calc gains.
*
AltFb Gn Scale
1010
Load Ratio
901
Load Coupling
902
System C/U Sel (905): 0- Calculated* 1- User Entered 2- Load Calculated then revert to User Entered
44
42
41
VReg SrvLock
aVRegKi
aVRegKp
VReg Lmt In
Vel Droop
Kj
1960
u Alt Kvi OL Fb
1959
c Alt Kvi OL Fb
P Gain
k
p
P Gain
k
p
I Gain
k
i
s
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 VReg Vect

Rockwell Automation Allen-Bradley PowerFlex 755T Specifications

General

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