Annex B (informative) Use cases ToC Previous

B.3 Use case: Identify device ToC Previous Next

Use Case Identify Device  
Description A user gets information about a physical device selected in a topology. The OPC UA client provides this information to the user by reading identification information provided according to the FDT OPC UA information model.  
Preconditions Topology and device node is available in OPC UA Server  
Post conditions    
Actors Engineer, Expert, Observer, Plant Asset Manager  
Trigger Whenever a user needs information about a device  
Frequency    
Description    
  Step Action
  1 User browses namespace to a node representing a device
  2 User starts reading identification information of the device
  3 OPC Server obtains information about the device from associated DTM
  4 OPC Client displays the identification values to the user
Exceptions    
Requirements User has access permissions to the server  
Notes    
Open Issues    

Previous Next