Equipment repository design pertaining to Class Overview

Hi Experts,
I am preparing data model for Equipment repository and Equipment classification is a mandatory field to be maintained in MDM.
The issue is Equipment classification has numerous enties and under each entry their is 20-30 characteristic fields for that entry,for example Equipment Classification- Belt_Conveyor has 30 fields which are specific to this type of Equipment and so on and so forth.
I can model these in Taxonomy table with various nodes and specific attributes but question is is it worthwhile to have so many attributes andfields in MDM (approx 2000)
Please help
Regards
Ravi

Hi Ravi
Following parameters are considered while designing a taxonomy table in MDM-
1. How many level of parent child categorisation exist? More number of levels and categories is difficult to manage.
2. how many attributes on avg are linked to each category? How often the linkages can change and new attributes(characteristics) can be added?
3. What is the avg number of Attribute Values per characteristics? Avoid more than 1000 values. In such cases they can be promoted as main table lookup or text fields.
You can refer to below best pratices on Taxonomy-
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/60fea38f-1cac-2c10-6092-d3ab4395f7b2?quicklink=index&overridelayout=true
Best regards-
Ravi Kumar

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Usually when i go to IE02, i access "class overview" and there i see directly the Classification of this equipment, also i can edit it.
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As soon i use a Batch input on IE02, it brings up an additional popup when i click "class overview". The popup "Class type"? - i don't understand why i get this popup only when using a Batch input...
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>
shashi jha wrote:
> This is mandatory field about which the sap is searching for the data
>
Hi!
But when i access IE02 without a batch input, this popup does not appear!
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Mayursinh Dayatar,
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JTerosky wrote:
I'm starting a new project which involves acquiring data from various pieces of equipment using a GPIB port. I thought this would be a good time to start using Classes. I created a GPIB class which contains member data of: Address, Open State, Error; with member vis such as Set Address, Get Address, Open, Close...general actions that all GPIB devices need to do. I then created a child class for a specific instrument (Agilent N1912 Power Meter for this example) which inherits from the GPIB class but also adds member data such as Channel A power and Channel B power and the associated Member Functions to obtain the data from the hardware. This went fine and I created a Test vi for verfication utilizing a typical Event Structure architecture.
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Equipment repository design pertaining to Class Overview

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