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Browsing the node forward referenced with a DI companion specific reference node from Ua Client

Jayesh Thamke

Germany - Karlsruhe

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Forum Posts: 6

Member Since:
09/01/2016

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07/14/2017 - 01:42

Dear expert,

I am developing a Ua Client using OPCFoundation/UA-.NETStandardLibrary and I want to browse the a Node from my Ua Client implementation which is a referenced with

IsOnline

reference type from OPC UA for Devices Companion Specification Release 1.01 25. July 2013

I am using following Browse node call:

session.Browse(
new RequestHeader {TimeoutHint = 10000, Timestamp = DateTime.UtcNow},
null,
nodeToBrowse,
0,
BrowseDirection.Forward,
referenceTypeId, //ReferenceTypeIds.<ReferenceType Node Ids from base OPC UA Specifications> does not include IsOnline
true,
255,
out continuationPoint,
out references
);

how can I enter the "referenceTypeId" in above browse method?

Thank you in advance for your reply,

Jayesh

Mr. Jayesh Thamke

Student - Master of Science

Electrical Engineering and Information Technology - Automation

Hochschule Darmstadt, Darmstadt, Germany

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07/15/2017 - 03:26

Every companion specification has its own set of NodeIds. If you look into the OPC UA for Devices spec, the Annex A has URLs that specify where to find the NodeIds (and the complete information model NodeSet).

E.g. https://opcfoundation.org/UADe.....odeIds.csv - look for IsOnline.

The OPC Foundation also generates .NET files that you can use.

Check https://github.com/OPCFoundati...../master/di.

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