UA-Nodeset | UA Nodeset
kandi X-RAY | UA-Nodeset Summary
kandi X-RAY | UA-Nodeset Summary
UA Nodeset
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of UA-Nodeset
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UA-Nodeset Examples and Code Snippets
Community Discussions
Trending Discussions on UA-Nodeset
QUESTION
On the library's website, the documentation provides options for functions for accessing historical data reading. There is also an example of using historical data reading in the repository. I've simplified this example from the repository a bit, but I still can't compile it.
...ANSWER
Answered 2021-Dec-08 at 14:10In order for the mechanism of reading historical data to work, it is necessary to enable the UA_ENABLE_HISTORIZING parameter WHEN BUILDING THE LIBRARY, which is not specified in the official documentation for the library.
QUESTION
I have an InformationModel from OPC-UA, written in xml (https://github.com/OPCFoundation/UA-Nodeset/blob/v1.04/Robotics/Opc.Ua.Robotics.NodeSet2.xml). From this model I want to: Look at the reference inside an UAObject and get the DisplayName only if the reference has 1)The nodeid I am looking for 2)Has a field IsRecursive="false"
I tried this code for getting all object with a reference which point to my specified nodeid and it works. Here it is the code for it:
...ANSWER
Answered 2020-Jul-06 at 10:45so you want to find the Reference
node that has ReferenceType
is HasComponent
and IsForward
is false
, from that, go up 1 level find the DisplayName
?
QUESTION
After adding the namespaces with the function:
var select = useNamespaces({ns1: "http://pippo.com/schema"})
I use the following statement:
...ANSWER
Answered 2020-May-05 at 14:56Your XPath ends with a =
+ some string, and so will only ever return true
or false
.
Change
QUESTION
I am trying to query with xpath this XML file (https://github.com/OPCFoundation/UA-Nodeset/blob/master/Robotics/Opc.Ua.Robotics.NodeSet2.xml). I am trying to get all the elements inside the tag "UANodeSet" but I always get an empty return. I am working with node js Here it is my code:
...ANSWER
Answered 2020-Apr-30 at 13:06The xml file uses namespaces and that seems to trip up the xpath expression. Try something like this and see if it work:
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