IfcAlarmTypeEnum

BACnet MVD

#### IfcAlarmTypeEnum

Natural language names

| Alarm Type Enum
| Énumération des types d'alarme

##### Semantic definitions at the type

Type definition

The IfcAlarmTypeEnum defines the range of different types of alarm that can be specified.

> HISTORY New enumeration in IFC2x2.

Enumeration definition

Constant | Description
--- | ---
BELL | An audible alarm.
BREAKGLASSBUTTON | An alarm activation mechanism in which a protective glass has to be broken to enable a button to be pressed.
LIGHT | A visual alarm.
MANUALPULLBOX | An alarm activation mechanism in which activation is achieved by a pulling action.
SIREN | An audible alarm.
WHISTLE | An audible alarm.
USERDEFINED | User-defined type.
NOTDEFINED | Undefined type.

##### Formal representations

XML Specification
`<xs:simpleType name="IfcAlarmTypeEnum">
<xs:restriction base="xs:string">
<xs:enumeration value="bell"/>
<xs:enumeration value="breakglassbutton"/>
<xs:enumeration value="light"/>
<xs:enumeration value="manualpullbox"/>
<xs:enumeration value="siren"/>
<xs:enumeration value="whistle"/>
<xs:enumeration value="userdefined"/>
<xs:enumeration value="notdefined"/>
</xs:restriction>
</xs:simpleType>
`
EXPRESS Specification
`TYPE IfcAlarmTypeEnum = ENUMERATION OF (
BELL,
BREAKGLASSBUTTON,
LIGHT,
MANUALPULLBOX,
SIREN,
WHISTLE,
USERDEFINED,
NOTDEFINED);
END_TYPE;

EXPRESS-G diagram

`

References: IfcAlarm IfcAlarmType

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