4.9.2 Well Known Roles
The NodeIds for the well-known Roles are defined in OPC 10000-6. All Servers should support the well-known Roles which are defined in Table 2.
| BrowseName | Suggested Permissions |
|---|---|
| Anonymous | The Role is allowed to browse and read non-security related Nodes only in the Server Object and all type Nodes. |
| AuthenticatedUser | The Role is allowed to browse and read non-security related Nodes. |
| TrustedApplication | The Role is allowed to browse and read non-security related Nodes. |
| Observer | The Role is allowed to browse, read live data, read historical data/events or subscribe to data/events. |
| Operator | The Role is allowed to browse, read live data, read historical data/events or subscribe to data/events. In addition, the Session is allowed to write some live data and call some Methods. |
| Engineer | The Role is allowed to browse, read/write configuration data, read historical data/events, call Methods or subscribe to data/events. |
| Supervisor | The Role is allowed to browse, read live data, read historical data/events, call Methods or subscribe to data/events. |
| ConfigureAdmin | The Role is allowed to change the non-security related configuration settings. |
| SecurityAdmin | The Role is allowed to change security related settings. |