Security policies and performance

The following security policies are supported:

• BASIC256SHA256
• AES128SHA256RSAOAEP
• AES256SHA256RSAPSS

Switch the controller off and on again if you have created or deleted OPC UA server certificates via the CODESYS Security Screen. Certain certificate checks can only be performed during boot-up.

OPC UA communication is implemented as a freefloat task so that the performance of the application is not affected in a controller with several cores if cores are not used by the application.