Below is a knowledge base that discusses how to measure simple voltages with the SCXI-1520. It explains how you can configure individual channels to do so. Once you've done this, you can set up a simple acquisition where you read all of the channels at once (strain and voltage). The output of the AI Read.vi will be a two dimensional array where each column corresponds to one of your channels. Then you can simply scale and apply the strain conversion to the applicable channels and leave the other channels alone. I hope this information helps.
Knowledge Base