Siemens simatic hmi op7, Equipment Manual

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7-13
Equipment Manual OP7, OP17
Release 04/99
7.4.2 Deleting alarm and event messages via standard screens
Standard screens can be used to delete
all (not individual) acknowledged and departed alarm messages
all (not individual) arrived and departed event messages.
To delete event and alarm messages, proceed as follows:
Step Procedure
1 Depending on the type of message you want to delete, choose
one of two standard screens
Alarms
→
Delete for alarm messages or
Events
→
Delete for event messages.
2 Press
to delete buffer,
to not delete buffer.
ESC
ENTER
7.4.3 Automatically Deleting the System Message Buffer upon Buffer
Overflow
If the system message buffer is completely full, the oldest message is deleted
automatically from the buffer when another system message occurs. There is
no overflow warning or forced printout of the deleted message, in the case of
event and alarm messages.
Procedure
Procedure