5.1 Identification

There are two use cases in this section. Both are covered by implementing the 3:MachineIdentification.

5.1.1 Identification and Nameplate

The user would like to uniquely identify machines, potentially across various OPC UA servers or aggregating OPC UA servers. The user wants to get standardized information about the machine, like manufacturer or serial number, and set user-specific information in order to simplify the usage of the machine.

That leads to the requirements:

  • A machine shall be globally uniquely identified.
  • Information about the machine, like manufacturer or serial number, can be accessed.
  • Application-specific information about a machine can be set by an OPC UA client.
5.1.2 Finding all Machines in a Server

The user would like to easily find all machines managed by an OPC UA server.

This leads to the requirement:

  • All machines shall be easy to find in an OPC UA server.