usb to rs232

Hello again.

i am using rs232 in my application. it works as supposed the last weeks, but today i found a problem.
some computers dont have serial interfaces any more, so i am forced to use a USB2Rs232 adapter there.

now the main question / problem.
--
Are there any known problems using LabVIEW with "USB 2 RS232 Apapters" ?

From my point of view it looks really laggy, im waitinig for simple answers just too long.


vi's used to communicate:
- visa open
- visa write
- visa read
- visa close


any suggestions ?


best regards
fidel


EDIT:
erm fubar
stellt euch den post einfach in gutem alten deutsch vor.
sorry, war in gedanken

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