Lenze PLC Designer PLC Designer (R2-x) - Manual (Page 390)

L-force | PLC Designer
The Resources
388 DMS 3.2 EN 02/2011 TD29

8.3.4 Alarm groups
Alarm groups are used for organizing the available alarms. Each alarm is definitely
assigned to right one alarm group and is managed by this group. All alarms of a group
can get assigned a common deactivation variable and common parameters regarding
the alarm saving. Regard that even a single alarm must be configured within an alarm
group.
A hierarchical structure of alarm groups can be defined via Folder elements. When a
alarm group is selected in the configuration tree, automatically the dialog Alarm
group will be displayed:
Configuration dialog Alarm group
In the field Description you can enter a name for the alarm group.
As Deactivation variable a boolean project variable can be defined. At a rising edge on
this variable the alarm creation for all alarms of the group will be deactivate, at a
falling edge it will be re-activated.
Via button Add an alarm can be added to the group. A new line in the table window
will be inserted and there the following parameters are to be set:
Expression: Enter here the project variable or an expression (e.g. "a + b") to which the
alarm should refer. It is recommended to use the input assistant <F2> resp. the
"Intellisense" function for an correct entry.