156   GOOSE / GSSE sqNum

Created: 11 Apr 2005

Status: Ballot Period

Part: Part 10 (2005)

Links:

Page: 29

Clause: 6.2.4.13.1 Table 29

Paragraph: Goo4

Category: Issue for edition 2 of this part

Issue

Upon resolution of TISSUE 52 (in part 7-2), the positive test case for the GOOSE/GSSE sqNum value upon stNum change will need revision.

Proposal

Change "Verify for GOOSE and GSSE that sqNum and stNum have the initial value one (1)..." to "Verify for GOOSE and GSSE that sqNum and stNum have the initial value zero (0)..."

Discussion Created Status
Part 7-2 Ed2 CDV states that the initial stNum = 1 and initial sqNum is "recommended" = 0. This overrules tissue 52. The test procedure for edition 1 (Gop3) will be changed accordingly.

Note: at boottime of an IED a managed Ethernet switch needs some time to initialize the connection and will drop several initial messages from the IED
29 Sep 08 Ballot Period

 

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