Local users can be edited by choosing their name from the list found in System->Users, or they can edit themselves by clicking on "User Settings" on the top bar of the website.
A password and username can be set on this page. Users will be assigned access permissions, or roles" as well. A user that logs into the local web interface would be required to have "Web" permissions.
Modbus User Settings
Every local user has the option of setting the display settings for Modbus registers. The user can select:
Once a local user selects a format. All Modbus registers will be formatted as such.
Note: Users logging in via RADIUS will not have the opportunity to edit their profiles. In this case, they are defaulted to web only users with a default Modbus number display format. Passwords and usernames are controlled by the registered RADIUS server.