OPC UA communication
9.3 Using the S7-1500 as an OPC UA server
Communication
196 Function Manual, 11/2019, A5E03735815-AH
3. You will find the following function rights in the "Function rights" section:
– OPC UA server access
This function right apples on the OPC UA server of the S7-1500 CPU. Only when this
option is selected does a user of the CPU PLC_2 server who has been assigned the
role "PLC-opcua-role-all-inclusive" have the following right: For the establishment of a
session with the server, the user requires client authentication with one of the user
names and corresponding passwords that have been centrally defined (and loaded to
the CPU).
– User authentication of the OPC UA client
This function right apples on the OPC UA client of the S7-1500 CPU (with client
instructions). Only when this option is selected can the user of the client of CPU
PLC_2 who has been assigned the role "PLC-opcua-role-all-inclusive" use the user
name and password for authentication to establish a session with a server.
Figure 9-24 Setting function rights
4. The role "PLC-opcua-role-all-inclusive" still needs to be assigned to the relevant users
("Users" tab under "Security settings" in the project tree).
See also
User authentication (Page 193)
User authentication (Page 275)
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