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Support for multiple OPC UA clients connected in parallel (multiserver).

Addressing of D2000 objects: numeric ID (object HOBJ)

Support of identities:

• ANONYMOUS
• name:password

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OPC UA Server configuration is read from a file. It is vital to specify the path to a configuration file by the starting parameter --cfg=<path_to_configuration_file>, for example "opcuaserver.exe --cfg=c:\D2000\D2000_APP\application1\opcuaserver\opcuaserver.conf". Sample configuration file is located in the program directory in a subdirectory Templates\opcuaserver\opcuaserver.conf.in (resp. .sys\templates\opcuaserver\opcuaserver.conf.in on Linux). In this file, some parameters are already preset. It is necessary to set at least the pki_dir parameter and create a directory structure for PKI.

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Management of OPC UA Clients names and passwords

Configuration of OPC UA clients' names and passwords is in the opcuaserver.conf configuration file. Only a single user token sample_user with user name sample and password sample1 is predefined:

user_tokens:
   sample_user:
     user: sample
     pass: sample1

User tokens, as well as anonymous access (ANONYMOUS) permitted for individual endpoints, are defined in the definition of respective endpoints:

basic256sha256_sign_encrypt:
     path: /
     security_policy: Basic256Sha256
     security_mode: SignAndEncrypt
     security_level: 4
     user_token_ids:
       - ANONYMOUS
       - sample_user

Example configuration file (configuration contains absolute paths to PKI directory structure):

Configuration and connection of OPC UA client UaExpert by Unified Automation:

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