Maintenance release of 670 series Ver. 1.2 ( and REB670 (


Dear Reader,

A new revision of the 670 series version 1.2 has been released.

The new revision designation of the 670 series is
The new revision designation of the REB670 customized is

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

System and communication related

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

  • Stability improvement with PRP communication
    General stability improvements are made to the PRP communication during restart of the IED.
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® 670 series. The connectivity packages are available in the PCM600 update manager.

Ordering and delivery
The existing order stock with revision will be delivered with revision respectively. New orders placed will be delivered as revision

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

Kind regards,

Joseph Menezes
Global Product Manager
Grid Automation Products