djain

Graphing a virtual channel on X and Y axis

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I calculate elapsed time and store it in a channel named elapsed_time. This channel is plotted on x-axis

 

In another channel named H2_con1, I put values of variable H2_con with also the time stamp same as elapsed_time. This channel is plotted on Y-axis.

 

I have set the scaling of x-axis as 0-60 and y axis as 0-7. The value of H2_con1 does not exceed more than 5, still I don’t see any trace. Please help

 

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Try auto-scaling.  Also make sure your Bottom axis is set to Lin, not Date/Time.  If those don't fix it, do a Save with History when you have some data, and post or email us the document at support@ so I can see what you have.

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