Write and read the string from Usb rs232 Adapter.

[gyver.ning@gmail.com]

Hallo, Freinds,

I have a Problem in writing and reading string from USB RS232 Adapter.

I habe a programm to write the string  to a Measurement device via USB RS232 adapter. but it shows a error,

(but In VISA, I find the vitual channel "com9" and click the "open VISA Test Panel". and then click "input/output"--"VELLO7\n"--and then enter the string, the Measurement device responses.)

Can somebody give me some advice? 

the program is in attachment. 

[Dippi]

Hello gyver.ning@gmail.com,

you have so switch on the "Codes Display" in your String elements (Controls, Indicators and constants).

If you take a look at "CodeDisplay.jpg", you can see, that if you activate "Codes Display" you have the WRONG string:

You want to transfer "AMPL3\n" but you transfer "AMPL3\\n"

Also you find find a short example, how to add

- End of Line,

- Line Feed or

- Carrige return

to a normal string.

Remember, you can also check your string with the "Codes Display"

Hope that helps

Best regards

Dippi