Rockwell Automation Allen-Bradley PowerFlex 755T

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Rockwell Automation Publication 750-PM101B-EN-P - April 2022 93

Chapter 4 Troubleshooting

Figure 67 - AC Precharge Location

Frame 7 Drive

Frame 8 Input Bay

Frame 9 Input Bay

Frame 10…15 Input Bay

Main Page

Position Control - Profiler/Indexer2
Process Control2
Table of Contents3
Summary of Changes5
Access Fault Codes and Parameter List5
Download Firmware, AOP, EDS, and Other Files5
Parameter Descriptions7
Startup Information7
CIP Security7
Apply and Remove Power8
Parameter Descriptions15
About Parameters15
Parameter Access Level16
Parameter References16
How Drive Parameters Are Organized16
Overview and System Architecture17
Predictive Maintenance19
Diagram Conventions and Definitions23
Line Side Converter Control Diagrams24
Powerflex 755T Converter - Overview24
Metering25
Phase Locked Loop26
Power Loss27
Line Side Converter Data28
Current Reference Generator29
Reactive Power Control30
Droop Control31
Dynamic Bus Control32
Voltage Reference Generator33
Voltage Control34
DC Bus Observer35
Power Factor Correction36
Current/Power Limits37
Current Control38
LSC Control Configuration39
Drive Derating40
Motor Side Inverter Control Diagrams41
Flux Vector Overview41
Variable Frequency, SV Overview42
CBI Metering43
Feedback Configuration & Status44
Position Homing45
Position Reference46
Position Reference - Move Profiles47
Position Reference48
Position Regulator49
Position Control - Phase Locked Loop50
Position Control - Position Reference CAM51
Position Control - Profiler/Indexer52
Position Control - Roll Position Indicator54
Position Control - Spindle Orient55
Velocity Reference Overview56
Velocity Reference Selection57
Velocity Reference - All58
Velocity Reference - Flux Vector59
Velocity Reference Flux Vector - Move Profiles60
Velocity Reference CAM61
Velocity Regulator - Flux Vector62
Torque Overview63
Torque Reference Selection64
Load Observer65
Friction Compensation66
Torque Reference CAM67
Torque Reference68
Torque Filters69
Torque Control - Current, for Induction Motor70
Torque Control - Current, for Permanent Magnet Motor71
Process Control72
MOP Control77
22-Series Inputs & Outputs - Digital78
22-Series Inputs & Outputs - Analog79
11-Series Inputs & Outputs - Digital80
11-Series Inputs & Outputs - Analog81
11-Series Inputs & Outputs - ATEX82
Control Logic83
Inverter Overload IT84
Motor Overload85
Fault and Alarm Code Descriptions87
Faults88
Alarms88
Events88
Configurable Conditions88
Viewing Faults, Alarms, Events, and Exceptions88
HIM Indication (Fault Display Screen)89
Manually Clearing Faults89
Status Indicators90
Setting Factory Defaults98
Fan Usage by Product100
Hardware Service Manual102
Fault and Alarm Display Codes102
Common Symptoms and Corrective Actions102
Testpoint Codes and Functions105
Reset as Shipped112
Recovery Mode113
Secure Erase114
Configurable LCL Filter Capacitor Failure Response115
Configurable LCL Filter Capacitor over Resonance Response115
Powerflex 755T Lifting/Torque Proving116
Technical Support Options117
Compatible Allen-Bradley Servo Motors119
Additional Resources127

Rockwell Automation Allen-Bradley PowerFlex 755T

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