OPC UA Communication

An action that exchanges data with an OPC UA server using the OPC UA protocol.

OPC UA (Open Platform Communications Unified Architecture) is an industrial standard communication protocol that enables data exchange between industrial equipment using different communication methods through a standardized communication approach. It is primarily used for integrating systems that use industrial controllers (PLCs) and is widely used in fields such as smart factories, building automation, and energy management.

[OPC UA Client]

Select the OPC UA client to use.

[Command]

Select the command to execute.

• Read: Reads data from a specific node on the server.

• Write: Writes data to a specific node on the server.

[Node ID]

Enter the ID of the node to read or write data. The node ID format should be “ns=xx;s=xxxx”.

[Read Value]

Select a variable to store the value read from the node. Only displayed when [Command] is “Read”.

[Value Type]

Select the type of value to write to the node. Only displayed when [Command] is “Write”.

[Write Value]

Enter the value to write to the node. Only displayed when [Command] is “Write”.