IfcElectricTimeControlTypeEnum

BACnet MVD

#### IfcElectricTimeControlTypeEnum

Natural language names

| Electric Time Control Type Enum

##### Semantic definitions at the type

Type definition

The IfcElectricTimeControlTypeEnum defines different types of electrical time control devices.

> HISTORY New type in IFC2x2.

Enumeration definition

Constant | Description
--- | ---
TIMECLOCK | A control that causes action to occur at set times.
TIMEDELAY | A control that causes action to occur following a set duration.
RELAY | Electromagnetically operated contactor for making or breaking a control circuit.
USERDEFINED | User-defined type.
NOTDEFINED | Undefined type.

##### Formal representations

XML Specification
`<xs:simpleType name="IfcElectricTimeControlTypeEnum">
<xs:restriction base="xs:string">
<xs:enumeration value="timeclock"/>
<xs:enumeration value="timedelay"/>
<xs:enumeration value="relay"/>
<xs:enumeration value="userdefined"/>
<xs:enumeration value="notdefined"/>
</xs:restriction>
</xs:simpleType>
`
EXPRESS Specification
`TYPE IfcElectricTimeControlTypeEnum = ENUMERATION OF (
TIMECLOCK,
TIMEDELAY,
RELAY,
USERDEFINED,
NOTDEFINED);
END_TYPE;

EXPRESS-G diagram

`

References: IfcElectricTimeControl IfcElectricTimeControlType

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