FC_RoundLreal

FC_RoundLreal - General Information

Overview

Task

Round up the real value.

Description

Rounds the real value i_lrValue to i_diDigits decimal places. Here, the permissible range for i_diDigits is 0 … 15.

Interface

Input	Data type	Description
i_lrValue	LREAL	Value to be rounded
i_diDigits	DINT	Number of decimal places to be rounded to

Output	Data type	Description
q_etDiag	GD.ET_Diag	General library-independent statement on the diagnostic. A value not equal to ET_Diag.Ok corresponds to an diagnostic message.
q_etDiagExt	ET_DiagExt	POU-specific output on the diagnostic. q_etDiag = ET_Diag.Ok -> Status message q_etDiag <> ET_Diag.Ok -> Diagnostic message

Output

Data type

Description

q_etDiag

General library-independent statement on the diagnostic.

A value not equal to ET_Diag.Ok corresponds to an diagnostic message.

q_etDiagExt

POU-specific output on the diagnostic.

q_etDiag = ET_Diag.Ok -> Status message

q_etDiag <> ET_Diag.Ok -> Diagnostic message

Return Value

Data type	Description
LREAL	Rounded value of i_lrValue

Diagnostic Messages

q_etDiag	q_etDiagExt	Enumeration value	Description
OK	Ok	0	Ok

The rounded value has been calculated successfully.