can I use visa.vi to rs232 db25 port?

can I use visa.vi to rs232 db25 port? because where the use of rs232 to the parallel port (db25).

and also any vi to read the data of the series.

IM new in labview I just learn the tutorial to youtube.

If not can someone give me an idea how or can give me an example vi.

TNX...

Your front panel can be... catchy (and frankly annoying), but your VI does not make much sense. If you want that your 'start' code when the user presses a façade 'Start' button, then you have to sit and wait for the user to press start, doesn't depend on the user to press Start before you run your VI.

In addition, you have:

  • Wired the value that configures 'Port' at the entrance to "Activate the tank of termination" of the VISA. Why? You should know whether it should be enabled based on what you're trying to talk. The unit will stop his messages with a specific character? If so, a real thread of this entry and a value of thread at the end tank entry matches the value ASCII of the nature of the instrument used to put an end to his messages.
  • Wired a zero for the number of bytes Read VISA. Why? This means that you do not read anything by definition.
  • Do you need to wait a certain amount of time after sending the order before data are available?
  • Do you need to terminate the order that you send with something?
  • You currently have the set loop in place as an infinite loop. This means that the only way to stop your VI is using the button abandon in the toolbar. IT OF BAD. Provide a stop button on your façade to allow your VI finish properly.

See attached mod as a better starting point.

Tags: NI Hardware

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