Siemens Simatic PCS7 Function Manual page 92

Operator control and monitoring
6.2 Layout of the user interface
The following table shows an example of the assignment of the icons to their area and
describes the possible statuses that each icon can have.
Display
Note
If no maintenance group display is created for an area in the overview screen of the
"Diagnostics" area, the corresponding icon is also not created.
Messages without area information regarding maintenance state
The system generates AS process control messages without area information regarding the
maintenance state of components.
These messages are displayed on every OS station:
● In the single message line of the overview area
● In the message lists
It does not matter whether the "Diagnostics" area is shown on the operator station or not.
If at least one component has the state "maintenance alarm/demand" in one of the diagnostics
areas (PC stations, network objects, AS/system), a message without area information of the
same message type is also generated for this area.
When no more components have the state "maintenance alarm/demand", the message without
area information is assigned the status "outgoing".
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Area
PC stations
Network objects
AS/system
State
● Gray:
There is no problem in the area.
● Yellow:
There is at least one maintenance
demand in the area.
● Red:
There is at least one maintenance alarm
in the area.
● Yellow/red:
There is at least one maintenance
demand and one maintenance alarm in
the area.
● Blue:
There is no connection to the MS server.
Function Manual, 03/2016, A5E36187641-AA
Maintenance Station