Upload automation, quickly

I have Excel 2003 writing a text file on the hard drive every second.
Is there any way WinSCP can keep the remote directory up to date with this file that quickly?
It seems to only upload once per minute.
I'm using 4.3.7, using the following code:

Try using 5.0.7 beta.
This change may help you:
Issue 568 – Use MLSD/MLST to list file in directory with FTP protocol
See also:
https://winscp.net/eng/docs/timestamp