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  1. rajee
  2. PLCnext Technology & PLCnext Controls
  3. Friday, 23 July 2021
Hi
I'm actually playing with the OPCUA server.
Is there a way to define events on the custom NodeSet2.xml file ?

I used the alarm function block to send alarms to the client (that work correctly), but I can't find where those variables are declared. On the GDS config file, the alarms variables aren't defined.
Can you indicate on which file I can find them ?

We want to define events and why not alarms on the custom NodeSet.

Regards.
Martin PLCnext Team Accepted Answer Pending Moderation
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Hi Rajee,

Currently there is no generic Alarm or Event support for external information models.

Do you have an example of an external OPC UA information model that you would like to integrate with alarms/events from a PLCnext Control project? I can pass this use-case to our developers, and they can consider this in future developments.

(Ref: #216990)
Phoenix Contact Electronics Headquarters - PLCnext Runtime Product Management and Support
rajee Accepted Answer Pending Moderation
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HI Martin,

Sorry for the response delay, actually we didn't find any external NodeSet with alarms/event. I hoped you will had more information about that. Will keep searching and keep the topic updated with my discories.

By the way, is it possible to hide some address space or limit access to some of the address space ? On my screenshot, would like to hide the DeviceSet, DeviceTopology and NetworkSet
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Martin PLCnext Team Accepted Answer Pending Moderation
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Those namespaces (nodes) are required by the companion OPC UA specification for Device Integration. They are important for several use cases, like device/topology discovery and patch managemnt etc. That is why they are always visible.

Currently we only have role based permissions, so if a user is allowed to browse/read OPC UA variables, than they also have access to all nodes.
Phoenix Contact Electronics Headquarters - PLCnext Runtime Product Management and Support
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