How to print a graph XY with two channels

[pibbito]

I have an advantech PCL-711B and I want to drawn a graph XY with two channels. I want to get a continuos line but I get a discontinuos line. Want can I do? Thank you

[S.Klumpp]

What do you mean with discontinuos line ?
Are there e.g., only points in the xy graph ? Which indicate that you have to adjust your display options by clicking rigth on the xy graph.
Or is your DAQ discontinuos? How does your data look like ?

Stephan

[pibbito]

hello, I obtain only points in the graph, and I have changed the properties (common plots, interpolate,base line...) and I have obtained anything, only points. I put my attachment here to understand you. what can I change to solve my problem? thank you

[S.Klumpp]

It seems to me you are measuring the channels only once per loop step. Thus you get only one point for your display per loop step. How much elements has your array which is coming from the DAQ device ?
You are not connecting your old output with your new. It can be achieved either using a shift register or with a local variabel which is connected with our output node of the XY Graph. In both cases you have to add your new data to old one from the register or the variable at the begining of each new loop step.

Let me know if this has helped you. If not I will try to find another solution.

Stephan