The only thing I see is the trigger config for the AI task. It's block-diagram-wired to be a signal from the other board. Since you've already screwdriver-wired from the counter output to the AI board PFI0, you just need to block-diagram-wire "/Dev1/PFI0" as the trigger signal for the AI task.
-Kevin P
CAUTION! New LabVIEW adopters -- it's too late for me, but you *can* save yourself. The new subscription policy for LabVIEW puts NI's hand in your wallet for the rest of your working life. Are you sure you're *that* dedicated to LabVIEW? (Summary of my reasons in this post, part of a voluminous thread of mostly complaints starting here).