Anonymous access
To support anonymous views, a special user "anonymous-user" has been created in which, as for an ordinary user, we can define specific permissions, including the views that we want to make available to an anonymous user.
To be able to change the value on the settable point, you should:
If the "read" permission is set on any level, it will be possible to read the value of a given point from the view at most.
If we want to be able to set anonymous access on the view, an admin should be set for this special user.