Users And Roles With Opc Ua Function Rights - Siemens SIMATIC S7-1500 Function Manual

OPC UA communication
9.3 Using the S7-1500 as an OPC UA server
● User name and password authentication
The user has to prove their authorization (no anonymous access). The OPC UA server
checks whether the client user is authorized to access the server. Authorization is given
by the user name and the correct password.
If you want to use this type of user authentication, select the "Enable user name and
password authentication" option under "OPC UA > Server > Security > User
authentication".
Deactivate the guest authentication.
Enter the user in the "User management" table.
To do so, click the "<Add new user>" entry. A new user is created with an automatically
assigned name. You can edit the user name and enter the password for the user name.
You can add a maximum of 21 users.
● Additional user administration via the security settings of the project
The "Enable additional user administration via the security settings of the project" option
can be found under the general OPC UA settings (CPU properties: OPC UA > General).
If you select this option, the user management for the open project will also be used for
user authentication for the OPC UA server: The same user names and passwords are
then valid in OPC UA as in the current project.
Proceed as follows to activate user management for the project:
– Click "Security settings > Settings" in the project tree.
– Click the "Protect this project" button.
– Enter your user name and your password.
– Enter additional users under "Security settings > Users and roles".
If you configure an additional OPC UA server in your project, also select the option
"Enable additional user administration via the security settings of the project". Repeated
input of user names and passwords is then unnecessary.
See also
User authentication (Page 275)
Users and roles with OPC UA function rights (Page 194)
9.3.3.8

Users and roles with OPC UA function rights

The following options for user authentication use central project settings for project users:
● For the server:
For configuration of CPU properties (OPC UA > Server > Security > User authentication).
Option: "Enable additional user administration via the security settings of the project"
● For the client:
For configuration of client interface ("Configuration" tab, "Security"). Option: "User
(TIA Portal - security settings)"
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Function Manual, 11/2019, A5E03735815-AH
Communication