====== Alarm Class Status Detection ======

{{:cs:mervis-ide:35-help:alarmsclassstatus.png}}

==== Full Name ====

Lib.Mervis.v1_0.AlarmsClassStatus

===== Description =====

.

==== Required Project References ====

  * Lib.Mervis

===== Usage in ST =====

<code>
program test
    var
        alr: lib.mervis.v1_0.AlarmsClassStatus;
    end_var

    alr();
end_program
</code>

===== Description of Inputs and Outputs =====

|Inputs   |Name                             |Data Type    |Retain|Required Connection                                                                                                            |Meaning|
|Status   |[[AlarmsStatus.htm|AlarmsStatus]]|No           |Yes   |Extending input for additional alarms                                                                                          |      |
|ClassMask|uint                             |No           |No    |Binary mask of classes to be evaluated.\\ \\ |Weight|Class|\\ |1   |0    |\\ |2   |1    |\\ |4   |2    |\\ |8   |3    ||      |


|Outputs|Name  |Data Type                                           |Meaning|
|State  |bool  |Indicates the existence of an alarm in any of the allowed classes|      |


===== Detailed Function Description =====

This block is suitable for detecting whether an alarm of a given class is active on subordinate (= connected to //Status//) alarm blocks.