Rockwell Automation Publication 750-PM001N-EN-P - February 2017 395
Appendix B
PowerFlex 755 Control Block Diagrams
The block diagrams in this appendix are applicable to firmware revision 11.002
and earlier only.
Flow diagrams on the following pages illustrate the PowerFlex® 755 drive
control algorithms.
Diagram Page
Flux Vector Overview 397
VF, SV Overview 398
Speed/Position Feedback 399
Speed Control - Reference Overview 400
Speed Control - Reference (1) 401
Speed Control - Reference (2) 402
Speed Control - Reference (3) 403
Speed Control - Reference (4) 404
Speed Control - Reference (5) 405
Speed Control - Regulator (FV) 406
Position Control - Reference 407
Position Control - Regulator 408
Position Control - Aux Functions 409
Position Control - Phase Locked Loop 410
Position Control - Position CAM 411
Position Control - Profiler/Indexer (1) 412
Position Control - Profiler/Indexer (2), Homing 413
Position Control / Auxiliary Functions - Roll Position Indicator 414
Position Control - Spindle Orientation 415
Position Control / Auxiliary Functions - Position Oriented Torque Boost 416
Torque Control - Overview (IM & SPM) 417
Torque Control - Overview (IPM) 418
Torque Control - Reference Scale & Trim 419
Torque Control - Torque 420
Torque Control - Current (IM & SPM) 421
Torque Control - Current (IPM) 422
Torque Control - Inertia Adaption 423
Torque Control - Load Observer / Estimator 424
Process Control (1) 425
Process Control (2) 426
MOP Control 427
22-Series Inputs & Outputs - Digital 428
22-Series Inputs & Outputs - Analog 429
11-Series Inputs & Outputs - Digital 430
11-Series Inputs & Outputs - Analog 431
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