6.11.2.2 How to lock and unlock messages
Introduction
Messages are locked or unlocked for components from the areas AS/system, field devices
and user objects.
Messages can be locked or unlocked in the button set or in the faceplate.
Locked messages are indicated by an X:
● In the group display in the overview area
You can find additional information about this in the section "Overview area (Page 91)".
● In the maintenance group displays in the overview screen, area overview screen, block
icon, and faceplate
You can find additional information about this in the section "Maintenance status and
maintenance group display (Page 123)".
Icon in the user interface
Icon Function Explanation Permission
Lock mes‐
sages
● Faceplate
Messages for component are locked
● Button set
Messages of all displayed components
are locked
Process controlling (1)
Unlock
messages
● Faceplate
Messages for component are unlocked
● Button set
Messages of all displayed components
are unlocked
(1) The operator authorization level can be adjusted.
The operator authorization level is saved in the internal tag @LockMessageAuthLevel in
WinCC tag management. This tag is created by the OS project editor.
The operator authorization level depends on the number saved as the initial value in the tag
properties. The initial value is pre-assigned the value 5 by the system.
The number for the required authorization is provided in the User Administrator.
Note
Note that any change in the operator authorization level must be implemented in the project
of each operator station in an MS multiple-station system.
Operator control and monitoring
6.11 Faceplate
Maintenance Station
Function Manual, 03/2016, A5E36187641-AA 137
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