I have this VI that I created where Ch 5 is attached to a reed switch on a door and counts how many times the door is opened and writes a date and time stamp to file each time and also updates the numeric counter on the front panel. I would like to add 4 more switches with the same functionality and have them all write to the same file in different columns. I have tried a number of different approaches to make this happen but can figure out what I’m missing. Any thought on how I could add the same function with more switches? Eventually I would like to be able to not only record when the door is open but for how long it stays open for. Thank you.
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