IfcAlarmTypeEnum

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.
RAILWAYCROCODILE	An electrical contact placed between the rails (in the four-foot way) to provide warnings in the locomotive cab.
RAILWAYDETONATOR	A coin-sized device that is used as a loud warning signal to train drivers. It is usually placed on the top of the rail, usually secured with two lead straps, one on each side.
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="railwaycrocodile"/>

   <xs:enumeration value="railwaydetonator"/>

   <xs:enumeration value="userdefined"/>

   <xs:enumeration value="notdefined"/>

  </xs:restriction>

 </xs:simpleType>

EXPRESS Specification


TYPE IfcAlarmTypeEnum = ENUMERATION OF (

 BELL, 
 BREAKGLASSBUTTON, 
 LIGHT, 
 MANUALPULLBOX, 
 SIREN, 
 WHISTLE, 
 RAILWAYCROCODILE, 
 RAILWAYDETONATOR, 
 USERDEFINED, 
 NOTDEFINED);
END_TYPE;


 EXPRESS-G diagram

Item	SPF	XML	Change	Description
IFC4x2 to IFC4x3_RC1
IfcAlarmTypeEnum
RAILWAYCROCODILE			ADDED
RAILWAYDETONATOR			ADDED

	Alarm Type Enum
	Énumération des types d'alarme