F_GetDOYOfYearMonthDay

F_GetDOYOfYearMonthDay 1:

The function calculates the number of the day in the year.

FUNCTION F_GetDOYOfYearMonthDay: WORD

Inputs

VAR_INPUT
    wYear  : WORD;
    wMonth : WORD;
    wDay   : WORD;
END_VAR

Name	Type	Description
wYear	WORD	Year (0 ~ 2999)
wMonth	WORD	Month (1 ~ 12)
wDay	WORD	Day (1 ~ 31)

Return parameter	Description
0	Error, wrong wYear, wMonth or wDay parameter value
> 0	No error. Number of the day in the year (1 ~ 366)

Example:

PROGRAM P_TEST_DOY
VAR
    wYear  : WORD;
    wDOY   : WORD;
    wMonth : WORD;
    wDay   : WORD;
END_VAR

wYear := 2009;
wMonth := 1;
wDay := 31;
wDOY := F_GetDOYOfYearMonthDay( wYear, wMonth, wDay );(* wDOY = 31 *)

wYear := 2009;
wMonth := 2;
wDay := 1;
wDOY := F_GetDOYOfYearMonthDay( wYear, wMonth, wDay );(* wDOY = 32 *)

wYear := 2009;
wMonth := 3;
wDay := 1;
wDOY := F_GetDOYOfYearMonthDay( wYear, wMonth, wDay );(* wDOY = 60 *)

Requirements

Development environment	Target platform	PLC libraries to be integrated (category group)
TwinCAT v3.1.0	PC or CX (x86, x64, ARM)	Tc2_Utilities (System)