725   Loc in LN A-group

Created: 04 May 2011

Status: In Force (green)

Part: Part 7-4 (2010; Edition 2)



Clause: 5.4


Category: Issue may impact interoperability of implementations of Edition 2


In LN ANCR, ARCO, ARIS, AVCO (all Automatic control LNs) the Data Object Loc is mandatory. But it shall be optional, becuase not in all devices for automatic control the Local/Remote concept will be used.


Change Loc in A-LNs to optional, where it is mandatory.
The presence of LocKey, LocSta should be defined as: Optional where the DO Loc is present, otherwise forbidden.

Discussion Created Status
For clarification and no additional change:
This presence condition shall be considered also for e.g. IHMI and ITCI (modeled with the abstract NonProcessControllingEquipmentInterfaceLN).
This presence condition is considered also the abstract ControllingLN).
08 Oct 15 In Force (green)
15 Sep 11 In Force (green)
05 Aug 11 Ballot Period
accepted 05 Aug 11 Ballot Period
04 May 11 Discussion (red)


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