Authentication and authorization to control access to process control devices in a process plant

摘要

Techniques for controlling plant assets in a process plant include assigning permissions to users and user interface devices within the process plant, where the permissions specify a level of access to a plant asset. The permissions are then provided to the user interface devices. When a user connects a user interface device to a plant asset, the user interface device determines which operations the user may perform on the connected plant asset based on the permissions granted to the user.