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.

{ .change-ifc2x4}

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 A

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