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Allen-Bradley PowerFlex 755 User Manual

Allen-Bradley PowerFlex 755
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6 Rockwell Automation Publication MOTION-UM003K-EN-P - January 2019
Table of Contents
Chapter 10
Axis Configuration Examples for
the PowerFlex 527 Drive
Example 1: Frequency Control with No Feedback . . . . . . . . . . . . . . 210
Example 2: Velocity Control with Motor Feedback . . . . . . . . . . . . . 214
Example 3: Position Control with Motor Feedback . . . . . . . . . . . . . 217
Chapter 11
Commission an Axis Scaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
Direct Coupled Rotary. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Direct Coupled Linear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Rotary Transmission. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Linear Actuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Changing Scaling Factors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Hookup Tests. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Run a Motor and Feedback Test . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Run a Motor Feedback Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Run a Marker Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Applying the Commutation Hookup Test . . . . . . . . . . . . . . . . . . . . . 232
Unknown Commutation Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Verification of Known Commutation Offset . . . . . . . . . . . . . . . 233
Non-standard or Incorrect Wiring . . . . . . . . . . . . . . . . . . . . . . . . . 233
Run a Commutation Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234
Polarity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Autotune . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Load Observer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Benefits of Load Observer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
How Load Observer Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Load Observer Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Adaptive Tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Benefits of Adaptive Tuning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
How Adaptive Tuning Functions . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Adaptive Tuning Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
Status Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Load Ratio Data from Motion Analyzer. . . . . . . . . . . . . . . . . . . . . . . . 249
Test an Axis with Motion Direct Commands. . . . . . . . . . . . . . . . . . . 249
Access Motion Direct Commands for an Axis or Group . . . . . 250
Understanding STO Bypass When Using
Motion Direct Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252

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Allen-Bradley PowerFlex 755 Specifications

General IconGeneral
CategoryAC Drive
Amperage2.2…1470 A
Output Voltage0 to Input Voltage
Output Current2.2…1470 A
EnclosureIP20, IP30, IP54
CommunicationsEtherNet/IP, ControlNet, DeviceNet
I/ODigital, Analog, Encoder, Relay
SafetySafe Speed Monitor
Protection FeaturesOvercurrent, 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)
Humidity5…95% noncondensing
AltitudeUp to 1000m (3300ft) without derating
Voltage200-240V AC, 380-480V AC, 500-600V AC, 690V AC
Input Voltage200-240V AC, 380-480V AC, 500-600V AC, 690V AC
Control MethodSensorless Vector

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