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Rockwell Automation Publication 520-UM002B-EN-E - December 2017
Chapter 3
Configuring the PowerFlex 527 Drive with Integrated Motion
7.
Click the Power tab.
8.
From the pull-down menu, choose the power options appropriate for your
actual hardware configuration.
9.
Click OK.
10.
Repeat
through
for each PowerFlex 527 drive.
Attribute
Menu
Description
PWM Frequency
•
2 kHz
•
4 kHz
•
8 kHz
The value sets the carrier frequency for the Pulse Width
Modulation (PWM) output to the motor.
Bus Regulator Action
Disabled
This selection disables the drive’s internal DC bus voltage
regulation feature. Select this option if there is an external
regenerative brake or regenerative line supply connected to the
drive DC bus.
Shunt Regulator
This selection is used when either an external shunt resistor is
connected to the drive or the internal IGBT will be controlling the
power dissipation to the resistor (the type of shunt resistor is
selected below).
Adjustable Frequency
(Default)
This selection allows the drive to either change the torque limits or
ramp rate of the velocity to control the DC bus voltage. This option
is not recommended for positioning applications because it will
override the velocity and the system will overshoot or may not
stop.
Shunt then Adjustable
Frequency
This selection allows the Shunt resistor to absorb as much energy
as it is designed for, then transitions to adjustable frequency
control if the limit of the resistor has been reached.
Adjustable Frequency
then Shunt
This selection allows for adjustable frequency control of the DC
bus. If adjustable frequency control cannot maintain the DC bus
within limits, the shunt resistor will be activated.
Shunt Regulator Resistor
Type
Internal
Not applicable for PowerFlex 527 drives.
External
Enables the external shunt (internal shunt option is disabled).
Содержание PowerFlex 527
Страница 1: ...PowerFlex 527 Adjustable Frequency AC Drive Catalog Number 25C User Manual Original Instructions...
Страница 4: ...4 Rockwell Automation Publication520 UM002B EN E December 2017 Summary of Changes Notes...
Страница 8: ...8 Rockwell Automation Publication 520 UM002B EN E December 2017 Table of Contents Notes...
Страница 102: ...102 Rockwell Automation Publication520 UM002B EN E December 2017 Chapter 5 Hardwired Control of Safe Torque Off Notes...
Страница 162: ...162 Rockwell Automation Publication520 UM002B EN E December 2017 Appendix B Accessories and Dimensions Notes...
Страница 173: ...Rockwell Automation Publication520 UM002B EN E December 2017 173 Notes...
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