FireDamper2

FireDamper2 (FB)

FUNCTION_BLOCK FireDamper2

Representation

Function description

General

This function block is used to enter the designation of a fire damper and to generate the message xAlarm.

Aggregate fault xAlarm

The aggregate fault xAlarm is activated (= TRUE) when:

1. The fire damper is not fully open (xOpen = FALSE). (Background: Any fire damper that is not fully open represents a faulty condition during normal operation).

2. The fire damper is closed (xClosed = TRUE).

In all other cases the general fault is xAlarm is not activated (= FALSE).

CODESYS

InOut:

Scope	Name	Type	Initial
Input	xOpen	BOOL
Input	xClosed	BOOL
Output	sLine1	STRING
Output	sLine2	STRING
Output	sText	STRING
Output	xAlarm	BOOL
Input Const	sEditLine2	STRING	‘’
Input Const	sEditLine1	STRING	‘Room’