OPC UA communication
9.4 Using the S7-1500 CPU as an OPC UA client
Communication
Function Manual, 11/2019, A5E03735815-AH
271
Click the symbol with the green check mark:
Or, create a new certificate. To do so, click the "Add" symbol.
If you create a new certificate, you must make this certificate known to the server.
"User authentication" area
The following settings are possible for user authentication:
● Guest
● User name and password
● Users (TIA Portal - Security Settings)
For more information, see Users and roles with OPC UA function rights (Page 194).
Setting languages
UA tags of the String type can be localized with OPC UA, that is, texts (values for the UA
tag) can be available in different languages for the server. For example, localized texts can
be available for DisplayName (Name of the node) and Description (Description).
In the "Languages" area of the "Configuration" tab you can, for example, influence the
language of the texts returned by the server as follows:
In the "Languages" area, enter a number of languages that the server transfers to the client
during connection setup.
The language or the local ID ("language code") associated with it that you enter in the first
line is the language preferred by the client.
● If the server can provide the UA tag in the requested language, it is transferred to the
client.
● If the server cannot provide the UA tag in the requested language, it checks whether it
can provide the UA tag in the language you have entered in the second line (first
substitute language).
● The server works its way down the list, and when it can provide neither the requested
language nor a substitute language, it will provide the default language.
Additional information
What causes the connection to an OPC UA server to fail? FAQ
(https://support.industry.siemens.com/cs/ww/en/view/109766709
)
See also
Handling of the client certificates of the S7-1500 CPU (Page 272)
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