Interaction principles Section 5 Operator Interface
76 3BSE042835-600
Permissions for Variables that are not Hidden
All parameters and variables that are not hidden are assumed to be read by
everyone. Therefore, no read permissions are assigned. Table 10 describes the write
permissions that can be used. These are restricted.
Interaction principles
The interaction principles in this section should be seen as a complement to the
general 800xA process graphic principles.
Use of buttons and check boxes in faceplates
Check 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 main
functions of the object.
Buttons inside the faceplate elements shall be used to start or stop sub functions.
Table 10. Write permissions
Write Permission Applied for
Administrate Read only parameters / variables.
Tune Tuning parameters. For example Pid parameters, filter time,
etc.
Operate Parameters which are expected to be edited in the daily
operation of the plant. For example, Mode changes, start and
stop, etc.
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