Is this DAQ Digital IO control VI correct ? (Tester reboots every 2 hours)

Hi,
Would just like to find out if the my to control my DAQ digital output lines and measure DAQ Analogue Inputs are correct ?
These VI's are called many times from my TestStand sequence, and I am not 100% about using the unreserve and clear task in the VI, and if I have used it correctly.
For some reason, my tester automatically reboots after about 2 hours of use, hence I would like to make sure this VI is not the cause.
Any feedback appreciated.
Thanks
Attachments:
DAQ Analogue measure.JPG ‏61 KB
DAQ DIO control.JPG ‏67 KB

How are you running these VI's?  They look like they execute one time.  There is no while loop around them.
If you are using run continuous, you are creating a task and clearing it every iteration.  I would suspect that you are slowly eating up resources that eventually causes a PC crash and reboot.
When it reboots, what do you see?  Are you getting a BSOD (blue screen of death)?

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