====== Equipment Failure Evaluation ======

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

===== Function Block Name =====

Lib.Mervis.v1_0.BoilerFailure

===== Description =====

Auxiliary block used to evaluate equipment failures.

===== Required Project References =====

  * Lib.Mervis

===== Block Usage Restrictions =====

**Obsolete** - nahrazen blokem [[en:mervis-ide:35-help:035-software_basic:060-libraries:060-lib-mervis:015-utilities:030-types:boilerfailure_v1.1|BoilerFailure v1.1]]

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

<code>
program test
    var
        boilerfailure: lib.mervis.v1_1.BoilerFailure;
    end_var

    boilerfailure();
end_program
</code>

===== Input and Output Description =====

|Inputs     |Name         |Data type|Retain|Must be connected|Description|
|Demand     |bool         |No       |Yes   |Operating demand |          |
|Running    |bool         |No       |Yes   |Running feedback |          |
|Failure    |bool         |No       |Yes   |Failure signal input|       |
|Reset      |bool         |No       |Yes   |Failure reset   |          |
|Delay      |time         |No       |No    |Waiting interval for active running feedback| |
|CountLimit |uint         |No       |No    |Number of consecutive failures required to trigger a persistent alarm| |
|Timeout    |time         |No       |No    |Delay before restarting|          |


|Outputs       |Name         |Data type|Description|
|FailureOutput |bool         |Alarm output|          |


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