on 01-16-2008 2:06 PM
We're experiencing issues with the response time for our OPC UDSs fetching data from RSLinx. The problem is that for each tag configured in UDS Admin the OPC UDSs subscribes to the RSLinx OPC server, retrieves the tag data, and promptly unsubscribes, which is unlike any other OPC client we've tried. Retrieving data from 30 tags takes roughly 150 seconds using the OPC UDS, while a regular OPC client does the same job in 200ms. Is there any configuration parameter available to modify this behaviour?
thanks
Lionel
Lionel,
What are your current RSLinx settings?
Also, keep a watch out on Service Marketplace as the new UDSes will be released in the near future. Once they are you should begin using them immediately.
Sam
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I don't have any messagge in the Windows Event Vierwer associated with the SAP UDS instance. The configuration of the UDS is:
Datasource OPCConnector.Datasource
Port 8085
Debug False
OPCServerName RSLinx OPC Server
ReadDescriptions False
LookUpItemID True
CacheMode Alias
NamespaceBrowsing False
NamespacePathDelimiter .
BrowseMask *
BrowseMode Hierarchical
DemandLoadMetaData False
ReadMode Async
ReadDelay 0
ReadSource Device
AcceptableDataQuality Good
Synchronize False
Any suggestions?
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