IFC 4.3.0.1 (IFC4X3) development

7.2.2.3 IfcControllerTypeEnum

7.2.2.3.1 Semantic definition

The IfcControllerTypeEnum defines the range of different types of controller that can be specified.

7.2.2.3.2 Type values

Type Description
FLOATING

Output increases or decreases at a constant or accelerating rate.

MULTIPOSITION

Output is discrete value, can be one of three or more values.

PROGRAMMABLE

Output is programmable such as Discrete Digital Control (DDC).

PROPORTIONAL

Output is proportional to the control error and optionally time integral and derivative.

TWOPOSITION

Output can be either on or off.

USERDEFINED

User-defined type.

NOTDEFINED

Undefined type.

Table 7.2.2.3.A

7.2.2.3.3 Formal representation

TYPE IfcControllerTypeEnum = ENUMERATION OF
	(FLOATING
	,MULTIPOSITION
	,PROGRAMMABLE
	,PROPORTIONAL
	,TWOPOSITION
	,USERDEFINED
	,NOTDEFINED);
END_TYPE;

7.2.2.3.4 References

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7.2.2.3.5 Changelog

  • item, MULTIPOSITION
  • item, PROGRAMMABLE
  • item, PROPORTIONALINTEGRAL
  • item, PROPORTIONALINTEGRALDERIVATIVE
  • item, TIMEDTWOPOSITION