#### 7.1.2.1 IfcActuatorTypeEnum

The IfcActuatorTypeEnum defines the range of different types of actuator that can be specified.

> HISTORY New enumeration in IFC2.0

Enumerated Item Definitions:

- ELECTRICACTUATOR: A device that electrically actuates a control element.
- PNEUMATICACTUATOR: A device that pneumatically actuates a control element
- HYDRAULICACTUATOR: A device that electrically actuates a control element.
- HANDOPERATEDACTUATOR: A device that manually actuates a control element.
- THERMOSTATICACTUATOR: A device that thermostatically actuates a control element.
- USERDEFINED: User-defined type.
- NOTDEFINED: Undefined type.

XSD Specification:

<xs:simpleType name="IfcActuatorTypeEnum">
<xs:restriction base="xs:string">
<xs:enumeration value="electricactuator"/>
<xs:enumeration value="handoperatedactuator"/>
<xs:enumeration value="hydraulicactuator"/>
<xs:enumeration value="pneumaticactuator"/>
<xs:enumeration value="thermostaticactuator"/>
<xs:enumeration value="userdefined"/>
<xs:enumeration value="notdefined"/>
</xs:restriction>
</xs:simpleType>

EXPRESS Specification:

TYPE IfcActuatorTypeEnum = ENUMERATION OF (
| ELECTRICACTUATOR, HANDOPERATEDACTUATOR, HYDRAULICACTUATOR, PNEUMATICACTUATOR, THERMOSTATICACTUATOR, USERDEFINED, NOTDEFINED);
END_TYPE;

EXPRESS-G diagram

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