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Drives Service & Support > Product Notices & Advisories > DC Drive, Series A, Version 1.006 to 2.001.013

Safety Advisory : DC Drive, Series A, Version 1.006 to 2.001.013 - DC Drive Catalog Numbers start with 20P

Reference: PSA 2008-10-002
Date: October 2008
Knowledgebase Document: 56265

Product Identification

Drives affected by this Product Safety Advisory includes PowerFlex DC Drives, catalog numbers starting with 20P, series “A” and firmware revision, 1.006 to 2.001.013:

Power up the drive and check the firmware revision on the HIM display, use the user manual, or call technical support
if you need help.

  • Rockwell Automation shipped the affected products between December 2007 and September 2008.
  • Check the data nameplate for manufacture date.

- Issue Description -
With the PowerFlex DC drives, catalog numbers starting with 20P, firmware version 1.006 to 2.001.013, the following potential safety issue exists:

The values for P.3 Max Speed Fwd and P.4 Max Speed Rev are overwritten by the value in P.2 Maximum Speed when you power up the drive. This can result in changes to the forward and reverse maximum speed limits if they (one or both) were manually set different from the value in P.2 Maximum Speed before the last power cycle.

The values for P.5 Min Speed Fwd and P.6 Min Speed Rev are overwritten by the value in P.1 Minimum Speed when you power up the drive. This can result in changes to the forward and reverse minimum speed limits if they (one or both) were manually set different from the value in P.1 Minimum Speed before the last power cycle.

ATTENTION: This condition poses a safety hazard that could potentially result in death, serious personal injury or property damage.

-Temporary Workarounds -
No Temporary Workaround exists for this issue.

- Issue Correction -
The potential safety issue described above has been corrected in the following versions of firmware: v2.001.017

Anomalies that caused some parameters not to be saved at a power loss were corrected. All parameters now retain their set values on a cycle of power.

  • FLASH UPGRADE FIRMWARE, to version 2.001.017, available for download on the drives Technical
    Support web site: http://ab.com/support/abdrives/webupdate/powerflexdc.html
    • Open the PowerFlex DC folder
    • Open the Firmware Updates folder
    • Open the v2.001 or later folder
    • The v2.001 Release Notes file confirms that the firmware is 2.001.017 (as of October 2008)
      • ControlFlash and Hyperterminal download options are available.

Rockwell Automation is committed to quality improvement. Issues such as this undergo a rigorous improvement process where a root-cause analysis and preventive / corrective actions are completed. This is to increase overall customer satisfaction and increased reliability. We welcome your feedback on our product safety notification process along with your experiences and suggestions for improvement. Please email us at productsafety@ra.rockwell.com.


- Requested Customer Action -

We request that you take the following actions:

  • Verify that you have an affected PowerFlex DC Drive using the information provided in the Product Identification section of this Product Safety Advisory.
  • If your PowerFlex DC Drive does not have firmware v2.001.017, upgrade your firmware to v2.001.017 to prevent the issue described in this advisory.
  • FLASH UPGRADE FIRMWARE, to version 2.001.017, available for download on the drives Technical Support web site: http://ab.com/support/abdrives/webupdate/powerflexdc.html
    • Open the PowerFlex DC folder
    • Open the Firmware Updates folder
    • Open the v2.001 or later folder
    • The v2.001 Release Notes file confirms that the firmware is 2.001.017 (as of October 2008)
      • ControlFlash and Hyperterminal download options are available.
  • If you need additional technical help, please contact your local technical support center. Contact numbers for PowerFlex Drives can be found in Appendix A (page 5 of this document). In addition to the telephone numbers provided in Appendix A, local email addresses can be found on http://support.rockwellautomation.com under Phone Support / Email Support.