A User Right is a permission allowing a user to do an action on Fernhill SCADA. Most User Rights apply to tags, for example Read or Write. Some other User Rights apply to Fernhill SCADA as a whole, for example Configure.
You can grant a User Right to a single zone, multiple zones, or all zones. You can also block a feature by removing the corresponding right from all zones. User rights are edited using the User Rights Editor.
These User Rights are supported:
| User Right | Applies To | Description |
|---|---|---|
| Refresh | Refresh PollDataClass | Permits a user to manually refresh data from its data source |
| Write | WriteValue WriteValueQuality | Permits a user to write data to a tag, or to the underlying data source |
| Force | ForceValue RemoveForce | Permits a user to apply a force to a tag, or remove a force from a tag |
| Acknowledge | AcknowledgeAlarms | Permits a user to acknowledge an alarm |
| DisableAlarms | DisableAlarms EnableAlarms | Permits a user to enable or disable an alarm |
| DirectWrite | DirectWriteBit DirectWriteByte DirectWriteString DirectWriteWord | Permits a user write directly to a data source. |
| WriteFile | WriteFile | Permits a user to write a file to a DNP3 Outstation. |
| Configure | Fernhill SCADA | Permits a user to configure Fernhill SCADA |
To test whether a user has an appropriate privilege to access a tag, read the value of the UserPrivileges property.
To learn how to set the rights of users accessing Fernhill SCADA running on Windows.
Editing User Rights on Linux and macOS
To learn how to set the rights of users accessing Fernhill SCADA running on Linux and macOS.
To learn more about the Fernhill SCADA Server.
To learn about the tools in Fernhill SCADA.
Configuration ToolTo learn about configuring Fernhill SCADA.
For the meaning of terms used in Fernhill SCADA.