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. |
7.2.2.3.3 Formal representation
TYPE IfcControllerTypeEnum = ENUMERATION OF
(FLOATING
,MULTIPOSITION
,PROGRAMMABLE
,PROPORTIONAL
,TWOPOSITION
,USERDEFINED
,NOTDEFINED);
END_TYPE;