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Issues #6753

sGos20, sGos21 force DUT as Subscriber to ignore future edition dataset elements, while 61850-7-1 expects achievable forward compatibility

Added by Ursula Kramarczyk about 1 month ago. Updated 12 days ago.

Status:
In Progress
Priority:
Normal
Due date:
05/28/2024 (Due in 10 days)
Discuss in Upcoming Meeting:
Yes
Clause Reference:
Annex K
61850 Standard:
7-1
Triggering Tissue:
Final Decision:
Initial Test Document:
Updated Test Document:
Test Case ID:
sGos21
Closed Reason:
--Not Set---
Triggering Tissue 2:
Triggering Tissue 3:

Description

The expected result of sGos20 and sGos21 forces the Subscriber to ignore the state change of future edition elements. The Annex K states “the subscriber to at least be able to ignore”. Thus, the subscriber is allowed to evaluate the received future edition elements (and be fully forward compatible). To ignore it is the worst case scenario. A SCL file of a publisher might be sufficient to “teach” a Subscriber to evaluate the received data, e.g. by devices supporting free defined private data types.

Note: using the ping-pong to perform the test, the subscriber test cannot expect the DUT to publish or report future edition elements. A fully forward compatible DUT might be able to send it anyway.

Proposal: use wording from the Annex K. In sGos20 step 1 and 3, and sGos21 step 1 and 3, replace text “DUT ignores the state change” with “DUT at least is able to ignore state change”.


Files

#1

Updated by IEC 61850 TPWG about 1 month ago

  • Due date set to 04/30/2024
  • Status changed from New to In Progress
  • Assignee set to Richard Schimmel

accepted

#2

Updated by IEC 61850 TPWG 18 days ago

  • Due date changed from 04/30/2024 to 05/28/2024

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