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TP27, TP37 Equipment Manual
Release 01/00
6.5 ALARM_S Messages
The STEP 7 option packages S7–PDIAG and S7–GRAPH only issue
ALARM_S messages. For that reason, the message number procedure
ALARM_S must be used for configuring process diagnosis in ProTool as well.
ALARM_S messages are not configured in ProTool but in STEP 7.
When configuring messages in STEP 7 the message text and attributes entered
are stored in the database shared with ProTool. During the process of compil-
ing the project, ProTool automatically imports the necessary data and subse-
quently downloads it to the operating unit.
Shared Database
Figure 6-5 Configuring and Downloading ALARM_S Messages
It is therefore important that the shared database is always up to date during the
compilation process and that data synchronization is active.
ALARM_S messages are configured in STEP 7. The data is then stored in a
shared database, imported during the process of compiling the ProTool project
and finally downloaded to the operating unit.
That means that ALARM_S messages use up resources on the operating unit.
The shorter the messages are, the less storage space they will require.
A maximum of 2000 event messages and 2000 alarm messages can be created.
It is of no consequence in this regard which message procedure is used.
Note
In STEP 7 there are restrictions regarding the number and size of tags that can
be used within a message. For more precise details, please consult your STEP
7 documentation.
Incorporating
ALARM_S
Messages
Use of Resources
Messages
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