Allen-Bradley PowerFlex 755 Reference Manual

Rockwell Automation Publication MOTION-RM003I-EN-P - February 2018 5
Table of contents
Additional Resources ...............................................................................................................11
Legal Notices ..............................................................................................................................12
Chapter 1
Integrated Motion Axis Control Modes and Methods .................................................16
Control Modes ..................................................................................................................16
Position Control Mode ..........................................................................................17
Velocity Control Mode ..........................................................................................18
Torque Control Mode ............................................................................................20
No Control Mode ....................................................................................................21
Control Methods ..............................................................................................................21
Motion Instruction Compatibility ..............................................................................22
Chapter 2
Acceleration Control Behavior .............................................................................................25
Acceleration Limiter ........................................................................................................26
Load Observer ....................................................................................................................27
Command Generation Behavior ..........................................................................................28
Command Data Sources .................................................................................................29
Command Fine Interpolation ......................................................................................30
Command Ramp Generator..........................................................................................33
Feedforward Signal Selection ........................................................................................34
Command Notch Filter ..................................................................................................35
Current Control Behavior......................................................................................................35
Current Vector Limiter ..................................................................................................36
Voltage Output..................................................................................................................37
Current Feedback .............................................................................................................37
Motor Commutation ......................................................................................................38
Event Capture Behavior ..........................................................................................................38
Event Input Sources .........................................................................................................39
Event Latches .....................................................................................................................40
Event Time Stamps ..........................................................................................................40
Fault and Alarm Behavior.......................................................................................................41
Exceptions ...........................................................................................................................41
Absolute Position Recovery ...........................................................................................43
Absolute Position Loss without APR Faults ....................................................44
APR Fault Conditions ............................................................................................44
APR Fault Generation ............................................................................................45
APR Fault Examples ................................................................................................47
APR Recovery Scenarios.........................................................................................48
Reset an APR Fault ..................................................................................................50
Preface
Integrated Motion on the
EtherNet/IP Network
Behavior models used in CIP
Motion

Allen-Bradley PowerFlex 755 Specifications

General

Category	AC Drive
Amperage	2.2…1470 A
Output Voltage	0 to Input Voltage
Output Current	2.2…1470 A
Enclosure	IP20, IP30, IP54
Communications	EtherNet/IP, ControlNet, DeviceNet
I/O	Digital, Analog, Encoder, Relay
Safety	Safe Speed Monitor
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overload, Short Circuit, Ground Fault, Overtemperature
Operating Temperature	-10°C to 50°C (14°F to 122°F)
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Humidity	5…95% noncondensing
Altitude	Up to 1000m (3300ft) without derating
Voltage	200-240V AC, 380-480V AC, 500-600V AC, 690V AC
Input Voltage	200-240V AC, 380-480V AC, 500-600V AC, 690V AC
Control Method	Sensorless Vector