1308   Case Sensitivity of names

Created: 12 Sep 2014

Status: Not Applicable

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



Clause: 22.2


Category: Issue for edition 2 of this part


The standard series IEC 61850 does not define explicitly that all names are case sensitive. Implicitly part 6 (by the use of XML) requires that all names are case sensitive.

It would help to define the case sensitivity explicitly in 7-2 or in 7-1.


Add the following text at the end of 7-2 clause 22.2:

All names defined for LD, LN, Data, DataAttributes, and their components (as defined by, e.g., IEC 61850-7-3 and IEC 61850-7-4) shall be case sensitive.

Note: The names "VoltsAB" and "VoltsAb" represent two distinct objects. It is highly recommended not to define both as standardized names!

Discussion Created Status
08 Oct 14 Not Applicable
Per Editors' meeting, 1308 is accepted.

Ed 2.1 will clarify that ObjectNames are case sensitive, although the enumeration of values for VISIBLE STRING indicates that 'a' and 'A' (etc.) are unique values.

Note that UCA test cases sSrN1 and sDsN1 already verify that ObjectNames are case sensitive.

08 Oct 14 In Force (green)
The use of Upper Case / Lower case are already specified in clause 22.2.
The object names are case sensitive.
16 Sep 14 Discussion (red)


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