Release Notes
25C... More information: PowerFlex® 527 Site
Version 2.002 (released 4/2021)
Catalog Number PowerFlex 527
These release notes describe version information for PowerFlex 527, version 2.002 (released 4/2021).
Corrected Anomalies in This Release
This release corrects the following anomalies.
M15 fault occurs during drive initialization (PCBANOM-3627)
Corrected Anomaly with PowerFlex® 527 Drives Firmware Revision 2.002
Known Anomaly First Identified as of PowerFlex 527 Drives Firmware Revision 1.001
Catalog Number: 25C
The fault "INIT FLT M15 POWER BOARD" occasionally occurs during drive initialization.
This firmware revision helps to eliminate noise in the power module ID signal.
Drive faults when starting a motor with ground fault present (PCBANOM-3043)
Corrected Anomaly with PowerFlex® 527 Drives Firmware Revision 2.002
Known Anomaly First Identified as of PowerFlex 527 Drives Firmware Revision 1.001
Catalog Number: 25C
The drive faults when you start a motor with a ground fault present.
This firmware revision helps to improves the detection of ground faults when starting a
motor.
Application Notes
This release has the following application notes.
Determine PowerFlex 527 Firmware Revision Level
Using Studio 5000 Logix Designer® Software
- Launch the Logix Designer software.
- Open the project for your PowerFlex® 527 drive.
- On the main screen, click
and select Go Online.

- Right-click on the PowerFlex 527 drive and select Properties.

- In the Module Properties window, select the Module Info tab to display the
firmware revision.

Use ControlFLASH and ControlFLASH Plus to Update Your Firmware
For instructions on how to install ControlFLASH™ and ControlFLASH Plus software and
upgrade your drive firmware by using these software tools, see these publications:
- For ControlFLASH software version 15.03 or later, see ControlFLASH User Manual, publication 1756-UM105
- For ControlFLASH Plus software version 3.01 or later, see ControlFLASH Plus
Quick Start Guide Quick Start, publication CFP-QS001
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