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Hi everyone I have a question about how I should approach the design of an application. Here it goes. I am making a DAC which will be reading data from multiple sources and controlling servos/steppers based on some control inputs and then logging things like position strain gauge readings and rpm. All that is fine and I have made successful DACs which perform those tasks. Now I want to make each portion of a separate vi and integrate them together in one main gui using subpanels. I have seen this done using the AMC message queues, which worked but seemed overly complicated and messy. I know this could be done using shared variables but I am not sure what the drawbacks/challenges I would face are? Would this be a viable way to go about doing this? Is there another cleaner way via events or something I haven't mentioned? I have been try to use VI Server References but I don't know how to transfer that data between sub panels, can this be done? I am using Labview 2010 and have access to if needed 2011. Thanks in advance!