362 SP versus DP on electrical IED inputs

Created: 19 Aug 2006

Status: In Force (green)

Part: Part 7-4 (2003)

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Category: Issue for edition 2 of this part

Issue

If we should be on the "the safe side" we should model all common substation IED electrical input switches like Local/Remote, Autoreclosure On/Off, Master/Slave, Single/Paralell as double point information.
Todays 100 Mbits network bandwidth is not the limitation as it was with earlier old telecontrol protocol.

Proposal

This is related to discussion about LLN0.Loc and ATTC.ParOp and similar.

Discussion	Created	Status
Balloting time over	27 Oct 06	In Force (green)
Double point information on model level was introduced because all 4 resulting states have some semantic meaning and not because of communication reliability. No change proposed.	25 Sep 06	Ballot Period
To be "on the safe side" is not a good reason to change the data model. An important issue is backwards compatibility.	15 Sep 06	Discussion (red)

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