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