on 11-03-2009 7:59 PM
Hi,
I am receiving a SAP UID value into a BLS-1 transaction property. The BLS-1 invokes some processing in the OPC Server which subsequently invokes another BLS-2 to send the data back to SAP. My question is how to access the SAP UID value sent to BLS-1 from BLS-2?
Regards,
Chanti.
You could dump the UID in a Que..ue if you can determine some common key between the transactions, like a tag name or something. Synchronization might be an issue though.
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You can use the MII Simulator to store values that can be read/written by any BLT.
We tested the functionality described in the thread above to use it as a flag if a BLT is already running to prevent parallel execution of the same BLT.
In your case you can store the SAP UID value in a predefined Tag of the Simulator in BLT 1 and read out the value in BLT 2. This way you do not need an external DB to store values.
Michael
Transaction property scope is only IN / OUT of a transaction, so you will need to define one in BLS-2 and link it in.
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