Rockwell Automation 20G PowerFlex 750-Series AC Drives - Manual (Page 252)

252 Rockwell Automation Publication 750-RM002B-EN-P - September 2013
Chapter 4 Motor Control
Figure 29 - PowerFlex 755 Speed Reference Selection Overview
Refer to the PowerFlex 750-Series Programming Manual, publication 750-
PM001 , Appendix A, for more details on the PowerFlex 755 Control Block
Diagrams.
+
Spd Ref A
Trim Ref A
Trim % Ref A
Ref A
Auto
+
Spd Ref B
Trim Ref B
Trim % Ref B
Ref B
Auto
+
ENet Spd Ref
DPI Ports 1-6 Manual
Spd Ref
Command
Limit
Selected Spd Ref Skip
Bands
Limited
Spd Ref
Direction
Mode
Vel Ref
Filter
x
Speed
Comp
Pos Reg
Output
Filter
Speed Ref
Scale
From
Position
Regulator
Limit
Inertia
Comp
Velocity Reg
Ref
Inertia Comp
Torque Ref
Motor Spd Ref
From
PI Regulator
(Trim Mode)
From
PI Regulator
(Exclusive Mode)
Profiling/
Jogging/
Lift App/
Autotune/
Homing/
Overrides
VF or SV
Droop
From
Slip Comp
Frequency
Ref
Limit
From
Velocity Trim
Regulator
Max Speed +
Overspeed Limit
From
PI Regulator
(Trim Mode)
Flux
Vector
Limit
Max Speed
Max Speeds
Speed Reference Selection
Speed Reference Control
Ramped
Vel Ref
Limit
Switch
Control
Speed Ref
Stop / Torque
Proving
Vector Ramp S-Curve
Linear
Ramp &
S Curve
Virtual
Encoder
V/F Ramp S-Curve
Linear
Ramp &
S Curve
Vector Speed Control
V/F Speed Control
Rate
Select
Speed
Status
Speed Feedback
Vector Ramp Status
F/F Ramp Status
Status
Ramped
Speed Ref
Presets 3-7 Auto
From
Pt-Pt Profile
Generator
Friction
Comp
Friction Comp
Torque Ref
640
Filtered
SpdFdbk
Fiber
App.