FB_Parameter

Allows concatenation of multiple 64-bit floating-point (LREAL) values with assignable name.

Syntax:

FUNCTION_BLOCK FB_Parameter EXTENDS FB_Base

Name	Type	Access	Initial value	Description
Name	STRING	Get, Set	<SourceName>	Specifies the name of the class instance.
FB_Parameter
Next	I_Parameter	Get, Set	NULL	Next item in the list
Root	I_Parameter	Get, Set	THIS^	First element of the list
Value	LREAL	Get, Set	0.0	Value of the parameter
FB_Base
BaseState	E_BaseState	Get	eNotHandled	Initialization state of the class instance.
Error	BOOL	Get	FALSE	Class is in an error state.
ResultMessage	I_AppMessage	Get	-	Access to the class-internal EventLogger.
[`PROTECTED`] _Name	STRING	Get	<SourceName>	`.Name` without leading 'fb'.

Name	Description
Append()	Appends a new item to the list.
Idx()	Returns the element of the x-th position of the list.

	Exceptions avoidance The Idx() function returns the first element (root) of the list on invalid requested index.

Type	Description
I_Base	Standard interface on FB_Base.
I_Parameter	Standard interface on FB_Parameter
I_ParameterQuery	Extension of the I_Parameter interface with set access to next and root properties as well as the Append method.
I_BaseDev	Covers all methods and properties of the base class.
I_Comparable	Enables comparisons via `_IsMyself()` or F_IsSameInstance().

Development environment	Target platform	PLC libraries to include
TwinCAT 4026 >= v3.1.4026.19 TwinCAT 4024 >= v3.1.4024.71	PC or CX (x64, x86)	Tc3_PlasticBaseApplication (>= v12.16.0.0)