F_GetDOYOfYearMonthDay
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_VARName | 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_VARwYear := 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) |