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adding answer to #44 #133

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8 changes: 7 additions & 1 deletion README.md
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Expand Up @@ -66,8 +66,8 @@ Please address discussions and proposals via issues and pull requests in the git
- [What are the right attribute values for Descriptor/endpoint?](#id47)
- [Is it possible to determine submodel kind (i.e., Template or Instance) from a Registry without loading the actual submodel, e.g. via the AAS-repository API?](#idgh62)


### Semantics / ECLASS
- [When is it possible to re-use ECLASS blocks as semantic IDs of SMCs?](#idgh44)
- [How shall the ECLASS group “Zusatzdokumentation (e.g. IRDI 0173-1#02-ADN464#..)” be used for documentation?](#id8)
- [How to refer to semantic concepts of existing standards like VDI 2770 properties or OPC UA companion specifications (e.g. “Serial number” property from OPC UA DI companion spec)?](#id27)
- [How to use isCaseOf to indicate 'alternative' semanticIDs of AAS elements?](#id46)
Expand Down Expand Up @@ -163,6 +163,12 @@ Alternatively, an agile flexible approach using GITHUB has been defined. You may

(Answered: 2020-08-13)

**[When is it possible to re-use ECLASS blocks as semantic IDs of SMCs?](#ighd44)** <a id="idgh44"></a><!-- ID: gh44 -->

[ECLASS Semantic Transport document](https://industrialdigitaltwin.org/en/wp-content/uploads/sites/2/2024/10/2024-10_IDTA_ECLASS_Semantic_Transport_ECLASS_in_AAS_1.0.pdf) shows example of using the block in Section 6.2. Note that the semantic ID of the block should be changed in case of adding or changing properties included in the ECLASS block.

(Updated: 2025-07-21)

**[How shall the ECLASS group “Zusatzdokumentation (e.g. IRDI 0173-1#02-ADN464#..)” be used for documentation?](#id8)** <a id="id8"></a><!-- ID: 8 -->

Please use the submodel template based on VDI 2770 for documentation instead. It will be released soon.
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