There's an example on the ViSA pallette called "Easy VISA Serial Write & Read.vi"
"lee zhaowen" wrote:
>> Can any buddy have some example of VISA and serial communication(on
LabView>5.x).Please email me some VI where I can set serial port and write
a command>to serial port, and also read the serial port to access the data
on serial>port.> Regards> lee zhaowen