1679   GoEna behavior at startup

Created: 03 Mar 2020

Status: Triage

Part: Part 7-2 (2020; Edition 2.1)

Links: #1241 Add goEna attribute

Page: 132 & 136

Clause: 18.2.1 & 18.2.3

Paragraph: Table 87 & 94

Issue: Expected behavior of GoEna attribute at startup is not consistent in IEC 61850-7-2 Ed2.1.

In Table 87, for GoEna attribute, there is the following explanation: "The value of GoEna at IED startup depends on the IED
configuration."
In Table 94, for StNum, there is the following explanation:
"A transition of GoEna to TRUE happens directly at
power-up or restart for properly and consistently configured
GoCB."

For information, tissue 1241 is related to the same topic.

Proposal: First, correct inconsistency in existing standard
Keep statement in the standard that the value of GoEna when server starts depends on IED configuration.
* Remove NOTE in Table 94 which is out of context for GoEna behavior.
* Add a text in Table 87 to indicate that the value of GoEna shall be FALSE if GoCB is not properly and consistently configured.

Secondly, enhance standard as expected in tissue 1241.

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