logic to scada connection gets blocked if the variable from zenon side updates the value in shorter periode as the zenon logic cycle.

logic to scada connection gets blocked if the variable from zenon side updates the value in shorter periode as the zenon logic cycle.

Summary

'Logic to SCADA Connection', the shared Memory used for this Connection, gets blocked if the variable from zenon side updates the value in shorter periode as the zenon logic cycle.

Description

'Logic to SCADA Connection', the shared Memory used for this Connection, gets blocked if the variable from zenon side updates the value in shorter periode as the zenon logic cycle.

Solution

An issue has been addressed in the order of reading and writing values from and to the shared memory.

Information

'Logic to SCADA Connection' also named 'straton to zenon connection' is used when zenon variables (based on zenon Drivers) are used in zenon logic with the property 'External Visible' enabled. The zenon logic IO Driver 'Logic to SCADA Connection' have to be projected in the logic Projects fieldbus configuration.  

Issue Number: 24617
Fixed on Date: 10.8.2011
Versions: 7.00 0 BUILD 0

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