clockNow (Function)

This function to read the current time - expressed as seconds since 1980-1-1 00:00:00 (Also called LINSEC).

Input:

None

Returns: DINT

The current time as seconds since 1980-1-1 00:00:00 (LINSEC).

Declaration:

FUNCTION clockNow : DINT;

Example:

INCLUDE rtcu.inc
 
VAR
  a : DINT;
END_VAR;
 
PROGRAM test;
 
BEGIN
  a := clockNow();
// 'a' contains the current time as number of seconds since 1980-1-1 00:00:00
  ...
END;
 
END_PROGRAM;