I'm trying to set up a DAQ assist just to measure some voltage, how do i get the graph to start from 0 (time) every time I press run

[shaned]

Hi all,

I am trying to set up a simple DAQ assist to measure some voltages (currently a 9 volt battery to aid set up), when choosing to use a waveform chart to log the voltages the graph doesnt start from 0 (time seconds) how do I do this and get it to reset every time I press run or even stop.

What I want to see at the end is a chart for the full lenght of the test showing voltage against time in seconds.

Any ideas peeps

many thanks

Shane

[Kay Kay]

Hello Sir,
                Your Question is brief. I would appreciate if you attach the VI you worked on. Generally, when you check for the functions in the front panel, you will find different graph functions like XY Graph etc, which you may use to acquire both the time stamps and corresponding voltages. I am sorry if my answer is vague but I would love to see your VI that you worked on, before I go a head and answer in detail.

Good Luck!

[devchander]

Hi Shane,

Look at this VI

Here, I clear the chart before running the VI, using a 'history data' property node ( i pass an empty array to clear it)

In effect, each time you run the VI, the chart will begin at 0:00

Hope this helps

Regards

Dev