on 03-24-2011 3:42 PM
Hello,
In the base SAP ME an SFC number must be unique across the application. This may be the limitation if there are several sites running on the same SAP ME instance and having the same SFC numbers.
I cannot find any documentation describing what numbers/IDs must be unique within a site, what must be unique within the application, are there any system rules that affect uniqueness of these numbers.
What is the scope for each of following the serial numbers:
- SFC
- Shop Order
- Process Lot
- RMA
- Container
- Incident
- Slot
- Inventory
- Customer Order
- Component Hold
- ECO Number
- Vertical Reference Number
- Horisontal Reference Number
- Test Plan configuration
- CNC Program ID
- Batch Number
Thanks
Ivan
Hi Ivan,
The IDs which must be unique are stored in ID_USED table. Please find below its description:
'This business object defines the mechanism used to record ID's (SFCs, Shop Orders and
Process Lots) for long-term retention.'
Regards,
Alex.
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There is no base functionalit to make SFC unique 'within application'. SFC can have the same number on different Sites.
According to my research I configured next number maintenance on one site to match SFC number on another site. Guess what... It generates next number for me taking into account all the SFCs on the other site.
In other words I have site TEST1 with SFCs TEST11, TEST12. On another site TEST2 I defined next number for SFC to generate numbers starting from TEST11. However for the firs SFC on site TEST2 the generated number was TEST13. Is it a defect?
Thanks
Ivan
Ivan,
I retested this functionality and found that Shop Order must be unique for the Site and SFC 'within application' as you mentioned above. I am wondered about different approaches for the business objects which IDs are stored in the same ID_USED table.
Can someone comment this?
Regards,
Alex.
Historically base code generates SFCs unique in the application scope. There is one more category that is also unqiue in the app scope: SO Batch number.
As far as I see for all other objects the scope is SITE by default.
There are some internal use cases, like create trackable SFC, when internally SFCs are generated in the SITE scope.
Thanks,
Mikhail
Hi Ivan,
As far as I know there are no publicly approved ways to do that. In addition, there were reasons why the base code generates SFCs in the application scope, so I believe for the stability of the system it is better to keep it that way.
However, so far I don't believe it ever came to us as a serious complaint. Sure enough, frequently customers customize the SFC generation and sometimes it is hard to achieve with the core functionality.
However, if the task is just to assoicate some corporate serial number with SFC, then you can consider using sfc custom data.
Thanks,
Mikhail
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