800xA Advanced Access Control

Ensure that critical operations only are performed by legitimate users.


For critical operations, such as writing of data to the control system, batch operations, configuration changes, re-authentication can be optionally configured.

This option forces the user to re-supply his/her user credentials before the operation is executed.

For even more critical operations a secondary authentication may be optionally configured. In this case an additional person who has the respective secondary authentication authority has to give username and password in order to approve the operation.

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