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Opc server request limitation

Posted: 06 Nov 2018, 15:56
by glawi00s
It seems reasonable for an Opc client to ask the opc server for Request settings (e.g. Operation Timeout, MaxOperationPerRequest). Is it mandatory for a server to publish these properties? If yes, where in the namespace is it found? And where is it found in the OPC UA standard?

Re: Opc server request limitation

Posted: 11 Jul 2019, 10:12
by Support Team

if a server has operational limits it should provide such information in it's information model.

If a server does not provide such nodes, the client may assume that the server has "no limits".
However, a client must be capable of handling errors on all service calls and on all operations and react properly.