09-16-2013 10:33 AM
Hello,
I have a waveforn plot to display the data on our DAQ system. However, it only shows data from the last 10 seconds or so. How can I change it to show, say, all the data from the last hour?
I've tried using property nodes and altering the chart history length, but that doesn't seem to help.
Thanks for your advice!
Cheers,
Elizabeth
Solved! Go to Solution.
09-16-2013 11:39 AM
Post your VI so we can see what you are doing.
How much data are we talking about? How many samples per second are you taking?
09-16-2013 11:44 AM - edited 09-16-2013 11:48 AM
Try X-Scale -> Range -> Maximum (or minimum...depending on your requirements).
09-16-2013 11:48 AM
ecb1123 wrote:I've tried using property nodes and altering the chart history length, but that doesn't seem to help.
Thanks for your advice!
You change the chart history by right-clicking the chart, not via property nodes (you cannot do it a run time). Of course the total number of seconds shown depends on the sampling rate and the history lenght, but that's simple math. Did you do the math?
After that, you also need to change the x scaling. As a quick test, change it to autoscale.