1360   Variable length Quality encoding

Created: 05 Mar 2015

Status: Not Applicable

Part: Part 8-1 (2011; Edition 2)

Links: #1361 Variable length Quality encoding


Clause: 8.2


Category: Issue for edition 2 of this part


This clause specifies for Quality: "shall be encoded as a variable length bit-string. Bits that are not conveyed shall assume the default value as specified in this Subclause". The BER encoding rules state that trailing 0-bits can be removed. This always implies a default value of zero! Which may cause a mismatch in case a (future) default value is 1.

Is such 0-bit removals allowed for quality in GOOSE messages? Same for variable bit-strings values in the report messages?


Clarify if/when removing of trailing 0-bits is allowed for variable length bit-strings.

Discussion Created Status
duplicated tissue - see 1361 for resolution 06 Mar 15 Not Applicable


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