Message Buffers - Siemens simatic hmi op7 Equipment Manual

7.3

Message Buffers

Purpose
Back-up
Viewing
mssage buffer
7-10
Messages displayed on the OP are written to the message buffer concerned.
The message buffers can be called to view message history by means of
standard screens.
The times of occurrence, acknowledgment and departure are displayed in
chronological order for all messages.
OP7
The data in the message buffers are lost when the OP7 is turned off or
following an interruption of the power supply.
OP17
The data in the message buffers remain stored for several hours when the
OP17 is turned off or following an interruption of the power supply.
Select the corresponding standard screen:
Alarms View
Events View
System settings SysMsg
The messages contained in the message buffer are displayed in the message
list on the OP. They contain the following information:
Message number
Date and time
Message status:
A = arrived
D = departed
K = acknowledged
Acknowledgement
group
Alarm Event
messages messages
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Equipment Manual OP7, OP17
System
messages
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Release 04/99