User roles

The basic framework of the PLC does not know any users, but only roles. Therefore, the further description deals with the meaning of the roles.
An application (e.g. TcHmiBa) defines users and then assigns them a corresponding role.
According to the role of a logged-in user, functions are made available in the application or not.

Roles

Different access rights are provided for different users:

Role	Description
Guest	Lowest access permissions. Users cannot change parameters and can only read current values that are in the Tc3_XBA under VAR_INPUT CONSTANT PERSISTENT. Recommended for standard accesses without user login (e.g. generally accessible control panels).
Basic	Restricted access permissions. Users can view rudimentary parameters and hardly change any values. Recommended for operators with little knowledge of the system.
Advanced	Extended access rights. Users have insight into various parameters and e.g. authorization to change setpoints or timer programs. Recommended for operators with basic plant knowledge and instruction to supervise these plants.
Expert	Full access rights. Recommended for commissioning and for service personnel, as more in-depth interventions (e.g. adjustment of controller parameters) are also possible.
Internal	For Beckhoff support only.

	The user's access area is evaluated at different points in the application to enable or hide certain functions.