Interaction principles Section 5 Operator Interface76 3BSE042835-600Permissions for Variables that are not HiddenAll parameters and variables that are not hidden are assumed to be read byeveryone. Therefore, no read permissions are assigned. Table 10 describes the writepermissions that can be used. These are restricted.Interaction principlesThe interaction principles in this section should be seen as a complement to thegeneral 800xA process graphic principles.Use of buttons and check boxes in faceplatesCheck boxes shall be used to enable or disable functions and signals.Buttons in the button row of the faceplate framework shall be used to control mainfunctions of the object.Buttons inside the faceplate elements shall be used to start or stop sub functions.Table 10. Write permissionsWrite Permission Applied forAdministrate Read only parameters / variables.Tune Tuning parameters. For example Pid parameters, filter time,etc.Operate Parameters which are expected to be edited in the dailyoperation of the plant. For example, Mode changes, start andstop, etc.
