4.8 OPC UA
You use the two options to set the access authorization of the communication partners
(clients) to the OPC UA data of the gateway.
● Enable anonymous access
Clients can access the OPC UA data without authentication.
● Authentication via user name and password
Clients can access the OPC UA data only with authentication.
If none of the two options is enabled, no connection is established.
● Add user
With enabled "Authentication via user name and password" option, you use this button to
open the input boxes for a new user.
● User name
User name of the communication partner
Password of the communication partner
The user data must be configured for the respective client.
Properties of the OPC UA server
Identification and addressing
Addressing and identification features of the OPC UA server of the gateway:
● Application name, Application URI, Server URL, Port number of the application
See section OPC UA server (Page 52).
● Namespace of the gateway data points
● NodeID - Identifier
The identifier of the NodeIDs of the data points of the "CC7" namespace is formed by the
server application of the gateway from the name of the CPU and the data point name:
For the number of subscriptions supported by the gateway as OPC UA server for
MonitredItems, see section Configuration limits - communication (Page 15).
Data point name
Operating Instructions, 05/2019, C79000-G8976-C503-01