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Feature #6186

Changing the ActSG while reservation by another client is ongoing

Added by Michael Haecker about 2 years ago. Updated almost 2 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Carlos Rodriguez del Castillo
Category:
-
Start date:
11/22/2022
Due date:
% Done:

0%

Estimated time:
ID:
Source:
TF Unique ID:
WG10 Proposal:
Estimated Completion:
Discuss in Upcoming Meeting:
No
To discuss in WG10:
No
Short Proposal:
Standard(s):

IEC 61850-7-2 Clause 16

Needs More Information:
No
Assigned TF:

Description

In UCAIug IEC 61850 2022 IOP there was a test case 'SGCB_ActSG_with_ResvTMS_07' - Ability of a Server to accept changing the ActSG while reservation by another Client is ongoing and verify that the ActSG actually changed. Unclear if the test procedure correctly reflects the standard.

In the DUT, "reservation" was understood exclusive to the entire SGCB instance. The 1st client sets 'ResvTms' for the value editing process. The same 'ResvTms' is also used to rule over attempts to access 'SelectActiveSG' from another client. The 2nd client cannot change the ActSG while the first client has EditSG set and ResvTms has not expired.

Which is the expected behaviour from an application point of view? Should the SGCB be protected? Note that a setting group can also be selected by other means than IEC 61850 services: HMI or binary inputs.

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