7.2.2.2 IfcAlarmTypeEnum
7.2.2.2.1 Semantic definition
The IfcAlarmTypeEnum defines the range of different types of alarm that can be specified.
7.2.2.2.2 Type values
| Type | 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.  | 
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.  | 
SIREN
 | 
 An audible alarm.  | 
WHISTLE
 | 
 An audible alarm.  | 
USERDEFINED
 | 
 User-defined type.  | 
NOTDEFINED
 | 
 Undefined type.  | 
7.2.2.2.3 Formal representation
TYPE IfcAlarmTypeEnum = ENUMERATION OF
	(BELL
	,BREAKGLASSBUTTON
	,LIGHT
	,MANUALPULLBOX
	,RAILWAYCROCODILE
	,RAILWAYDETONATOR
	,SIREN
	,WHISTLE
	,USERDEFINED
	,NOTDEFINED);
END_TYPE;