Which of these alternativ​es is to prefer?
HI,
I have here two alternatives to create a spreadsheet file of measurement values and report header. This will be used as a sub-vi that should run continuously for about an hour.
alt1 - is using an array... wouldn't it nessesary to empety this now and then?
alt2 - Better? safer (in terms of memory handling)?
"sample rate": 1kHz
"samples to read": 100
Attachments:
continuous writing alt1.jpg 98 KB
continuous writing alt2.jpg 86 KB
Hi Johan,
the difference of your 2 examples is the time when the data gets written to file.
Alt1 is writing after the measurement has finished, alt2 when the measurement is running. Depending on measurement time alt2 should be more safe (no big memory blocks aka arrays, nearly no data lost in case LabView breaks up).
But I would make the error in/out of the loops as shift registers! This way you have a chance to handle error conditions properly.
Best regards,
GerdW
CLAD, using 2009SP1 + LV2011SP1 + LV2014SP1 on WinXP+Win7+cRIO
Kudos are welcome
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