Drives Service & Support > Powerflex 755 > Block Diagrams

Definitions of the Per Unit system:
1.0 PU Position = Distance traveled / 1sec at Base Spd
1.0 PU Speed = Base Speed of the Motor
1.0 PU Torque = Base Torque of the Motor

* Notes, Important:
(1) These diagrams are for reference only and may not accurately reflect all logical control signals;
actual functionality is implied by the approximated diagrams. Accuracy of these diagrams are not guaranteed.

Available Block Diagrams:

• Flux Vector Overview
• VF (V/Hz), SV Overview
• Speed/Posit Fdbk
• Speed Control – Reference Overview
• Speed Control – Reference (1)
• Speed Control – Reference (2)
• Speed Control – Reference (3) (Flux Vector)
• Speed Control – Reference (4) (VF (V/Hz), SV)
• Speed Control – Reference (5)
• Speed Control – Regulator
• Position Control – Reference
• Position Control – Regulator
• Position Control – Aux Functions
• Position Control – Phase Locked Loop
• Position Control – Position CAM
• Position Control – Profiler/Indexer (1)
• Position Control – Profiler/Indexer (2)
• Position Control – Homing
• Torque Control - Overview
• Torque Control – Reference Scale & Trim
• Torque Control – Torque
• Torque Control – Current
• Torque Control – Inertia Adaption
• Torque Control – Load Observer / Estimator
• Process Control (1)
• Process Control (2)
• MOP Control
• Inputs & Outputs – Digital
• Inputs & Outputs – Analog
• Control Logic
• Inverter Overload IT
• Diagnostic Tools