Siemens SIMATIC ET 200AL, System Manual

Page: 1075 / 2255

Alarms
6.2 Editing alarms in the alarm editor
Diagnostics
Function Manual, 11/2019, A5E03735838-AF
79
Editing alarms in the alarm editor
You can edit alarm texts in the alarm editor and specify attributes such as alarm class or
priority for the alarms.
1.
Double-click "PLC supervisions & alarms" in the project tree. Select the "Alarms" tab. The
alarm editor opens.
2. Enter the required texts and attributes in the appropriate columns.
The figure below shows the layout of the alarm editor.
①
"Program alarms" tab: You can edit program alarms here.
②
"System alarms" tab: System alarms can only be viewed but not edited. To edit these alarms, you must navigate to
the device view ("Go to device" menu command), where you can modify the system diagnostics alarms in the In-
spector window.
③
"Type alarms" area:
This is where the type alarms created in a function block with the "Program_Alarm" instruction are displayed. Type
alarms serves as templates for instance alarms (
④
).
All the inputs you make for the type alarm are automatically included in the instance alarms derived from it.
You can find more information on type alarms in the STEP 7 online help under "Alarm types and alarms".
④
"Instance alarms" area:
When you assign an instance DB to the message block (for example, call in an OB, FB, FC), instance alarms are
automatically generated based on the template of the type alarm and alarm numbers are assigned.
You can modify the instance alarms for specific instances.
You can find more information on instance alarms in the STEP 7 online help under "Alarm types and alarms".
⑤
Properties of the selected type and instance alarm in the Inspector window
Figure 6-2 Layout of the alarm editor
You can enter or modify the necessary parameters, texts and attributes in the table or in the
Inspector window.