1726 Enumeration ClockSyncKind of LTMS.TmSyn is not correct

Created: 21 Oct 2020

Status: In Force (green)

Part: Part 7-4 (2020; Edition 2.1)

Links: #974 Clock Master TmSyn , #686 New annex H - enums types in XML

Page: 433 in CSV

Clause: 7.2.11

Paragraph: Table 219

Issue

The enumeration ClockSyncKind in amd2.1 is not backward compatible with the definition in ed.2.0. Removal of an enum value and change a semantic of an enumerated value are forbidden cases acc. part 7-1.

Proposal

Correct the enumeration list in part 7-4 and in the NSD file.

Discussion	Created	Status
6 months over	30 Nov 22	In Force (green)
See IEC document 57/2445/INF .	01 Feb 22	Must Implement
New state: Must implement.	01 Feb 22	Must Implement
Solution is accepted.	02 Aug 21	Solution Accepted
Starting ballot period	30 Jun 21	Ballot Period
No change to test procedures needed except reference to new NSD file during batching process	30 Jun 21	Conformance Test Verification
Next step is to prepare/change conformance tests if necessary.	07 Jun 21	Conformance Test Preparation
UC15: modification of enumeration literals (1-2-3 to 0-1-2, to be aligned with part 9-2 messages). Conclusion: no compatibility issues! Backwards compatibility: achievable.	04 Jun 21	Analysis Of Compatibility
Change status	13 Apr 21	Verify Draft Implementation
Agreed proposal as in ClockSyncKind_for 2007A4 and 2007B4.txt. We go to next stage (Drafting implementation).	01 Dec 20	Drafting Implementation
Agree with proposal to modify 61850-7-4 to align with 61850-9-2	29 Nov 20	Discussion (red)
Edition2 (2007A3) enum list is not consistent with part9-2 and original annex H of part 7-4 (:2010), because for value=0 the semantic was "not synchronized internal clock". Therefore my proposal for future 2007B4 in attachment ClockSyncKind.txt.	22 Oct 20	Discussion (red)

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