B&B Electronics VFG3000 - Manual - Manual (Page 268)

G ET D ATE ( TIME ) AND F AMILY V LINX F IELDBUS G ATEWAY M ANAGER U SER M ANUAL
P AGE 252
G
ET
D
ATE
(
TIME
)
AND
F
AMILY
A RGUMENT T YPE D ESCRIPTION
time int The time value to be decoded.
D ESCRIPTION
Each member of this family of functions returns some component of a time/date value, as
previously created by
GetNow , Time or Date . The available functions are as follows…
F UNCTION D ESCRIPTION
GetDate Returns the day-of-month portion of time.
GetDay Returns the day-of-week portion of time.
GetDays Returns the number of days in time.
GetHour Returns the hours portion of time.
GetMin Returns the minutes portion of time.
GetMonth Returns the month portion of time.
GetSec Returns the seconds portion of time.
GetWeek Returns the week-of-year portion of time.
GetWeeks Returns the number of weeks in time.
GetWeekYear Returns the week year when using week numbers.
GetYear
Returns the year portion of time.
Note that GetDays and GetWeeks are typically used with the difference between two time
values to calculate how long has elapsed in terms of days or weeks. Note also that the year
returned by
GetWeekYear is not always the same as that returned by GetYear , as the former
may return a smaller value if the last week of a year extends beyond year-end.
F UNCTION T YPE
These functions are passive.
R ETURN T YPE
int .
E XAMPLE
d := GetDate(GetNow() – 12*60*60)