5 Configuration and Settings
5.1 Creating the alarm class
Monitoring of 24 V load circuits
Entry-ID: 61450284, V1.1, 05/2014
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5
Configuration and Settings
The following sections show you how to configure a control message (PLC alarm)
in STEP 7 / WinCC V12 SP1 for the SIMATIC S7-300 CPU and the Comfort Panel.
5.1
Creating the alarm class
Alarm classes can be configured at well. They are created and edited in the Alarm
class editor.
In this application example, the following alarm class is created without
acknowledgement.
Table 5-1
Name
Display name
Acknowledgement
AlarmClass
Channel_Error_S7-300
deactivated
This alarm class is assigned to the configured control message (PLC alarm). The
control messages (PLC alarms) of alarm class “AlarmClass” are displayed in the
alarm view of the “Overview S7-300/400” screen.
To create an alarm class, please proceed as follows:
Table 5-2
No.
Action
1.
In the project navigation, you click on the arrow on the left next to the “Common data” folder.
The data which you can use on all devices is displayed, such as jointly used alarm classes, for
example.
Double-click on the “Alarm classes” object. The Alarm class editor is opened and displayed in
the work area.