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ascii communication please help


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I'm trying to talk with a EZT-550 (it runs a temp. chamber)

I can communicate with it in hyperterminal but I would like to use labview. I'm having trouble writting the string because it uses non-displayable characters.

To use hyperterminal I first write the cammand in visual slickedit writting out the hex values (ie 313836 is 186) I save this as a file and then send it using hyperterminal.

I then get back my data in ascii form (ie FE0043F)

I would like to use labview to send and read the commands but I can't figure out how to send the ENQ (05 in hex).

Thanks,

Nate

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