EditReal

EditReal (FB)

FUNCTION_BLOCK EditReal

Short description

Input of a numeric value Typical application: Input of a target temperature

Representation

Interfaces

Outputs

Name	Data type	Value range	Initial value	Function
rOut	REAL			Numeric output value

Setpoints / parameters

Name	Data type	Value range	Initial value	Function
rSetPoint	REAL		0	Numeric input value

Function description

General

This function block is used to pass a numeric input value rSetPoint and to directly transfer it to the numeric output value rOut.

Behavior on power failure

The numeric input value rSetPoint is stored in a power-failure-safe manner and automatically restored.

Visualization

Matching visualization element from the HVACV Visu Library: EditReal

Representation

Interfaces Visu-Element

Name	Data type	Type	Initial value	Function
rValue	REAL	VAR_IN_OUT		Enter numeric input value here e.g. EditReal.rSetPoint
bDecimals	BYTE	VAR_INPUT	0	Enter number of decimal places here e.g. 0 = XX ; 1 = XX.X ; 2 = XX.XX The display is not rounded but truncated.
sUnit	STRING	VAR_INPUT		Enter unit as a string format e.g. '°C' or '%'
rMinInputVisu	REAL	VAR_INPUT	-1000	Min input that appears on the numpad and lights up red when the value is undercut. Input is then not possible.
rMaxInputVisu	REAL	VAR_INPUT	1000	Max input that appears on the numpad and lights up red when the value is exceeded. Input is then not possible.
sDialogTitle	STRING	VAR_INPUT		Enter the title in string format e.g.: 'Input room temperature' - appears on the numpad during input.
iFieldSizeL	INT	VAR_INPUT	0	Field expands by the number of entered pixels to the left. Required to display long numbers or units.
iFieldSizeR	INT	VAR_INPUT	0	Field expands by the number of entered pixels to the right. Required to display long numbers or units.

Note: VAR_IN_OUT interfaces must be assigned, VAR_INPUT are optional.

CODESYS

InOut:

Scope	Name	Type	Initial
Input Const	rSetPoint	REAL	0
Output	rOut	REAL