The 'DataGetDiHour' function returns the DI tag data stored in file.
double DataGetDiHour(string tag, int data_type, int year, int mon, int day, int hour);
Note : Because this function loads the data from a file, it may take a long time to excute this function. If you use this function much, the execution speed of LocalMain program slows down. Therefore, it is better to use this function only when it is absolutely necessary.
Parameters
string tag : AI tag name
int data_type : Data type that you want to load (0 = ON time, 1 = OFF time, 2 = the number of ON/OFF )
int year : Year
int mon : Month
int day : Day
int hour : Hour
Return Value
Tag data of the specified day (If the data type is '0' or '1', the type of return value is the second unit. If the data type is '2', the type ofreturn value is the number unit.)
Example 1
@DataGetDiHour("DI_0000", 0, 1999, 12, 9, 18);
Description : The 'DI_0000' ON time of 9th December 1999 18:00 is loaded.
Example 2
@DataGetDiHour("DI_0000", 2, 1999, 12, 9, 18);
Description : The number of 'DI_0000' ON/OFF of 9th December 1999 18:00 is loaded.
Relate items)