Maintenance release of 650 series Ver. 1.1 (


New revisions of the Relion® 650 series versions 1.1 have been released. The new revision designation of the 650 series version 1.1 is

The following have been corrected / improved in the new revision:

Security related

  • Security improvements in IEC 61850, MMS protocol
    A path traversal issue in MMS have been resolved.

System related
  • MEMUSED not updated without reboot
    In some cases the MEMUSED output of the DRPRDRE function didn’t get set to 0 when disturbances was deleted from the IED without rebooting the IED. This have now been fixed.
Recommendation to update
Users who have experienced issues as described above or/and that wants increased security are recommended to update to this release.

IED Connect support
Updating to the new firmware does not require any changes in the installed IED Connectivity Packages for Relion® 650 series. The connectivity packages are available in the PCM600 update manager.

Ordering and delivery
Order stock as of today will be automatically updated to the new revision. New orders placed will be delivered as revision

Procedures for ordering the firmware update
Please contact your local ABB.

Kind regards,

Krister Hagman
Global Product Manager
Grid Automation Products