Issues #5910

Need to test that IEDs support 1 Step and 2 Step clocks: IOP 2022

Added by Herbert Falk 2 months ago. Updated about 2 months ago.

In Progress
Due date:
10/04/2022 (Due in 5 days)
Discuss in Upcoming Meeting:
Clause Reference:
61850 Standard:
9-2, 9-3
Triggering Tissue:
Final Decision:
Initial Test Document:
Updated Test Document:
Test Case ID:
Closed Reason:
Test Procedure Update
Triggering Tissue 2:
Triggering Tissue 3:


During the 2022 IEC 61850 IOP, it was found that some IEDs would not sync to clocks that are 1 step. This lead to protection being blocked.

A test needs to be added.

An analysis also needs to be done if such a test is needed for a client.


Updated by Herbert Falk 2 months ago

  • 61850 Standard 9-2, 9-3 added

Updated by IEC 61850 TPWG about 2 months ago

  • Due date set to 10/04/2022
  • Status changed from New to In Progress
  • Assignee set to Richard Schimmel
  • Closed Reason Test Procedure Update added
  • Closed Reason deleted (--Not Set---)

Discuss with Jay Anderson and Jean-Sebastian

9-3 in revision.

refer to 1588 until 9-3 is published?

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