How to cycle between two numeric voltage controls in prescribed intervals

[adame018]

I am trying to expand on my current VI that allows me to control gas flow with numeric voltage outputs to mass flow controllers. I currently am controlling two different gas streams for analysis simultaneously and I would now like to be able to cycle between each mass flow controller over a prescribed interval (100s). Specifically, I would like numeric control A to be set to 5V while numeric control B is set to 0V for 100s and then they would automatically switch voltages. I would like this cycling process to occur constantly between the two gas streams. I am looking into nested loops but I am thinking there is a simpler solution as I'm fairly new to LabVIEW.

Thanks.

[Oligarlicky]

This sounds like a state machine with two states:

1. Control A High
2. Control B High

It might look a little like this

https://decibel.ni.com/content/docs/DOC-19816

except enable action would be automatic