Best way to handle user scaling/offsetting of channels?

I have a "Channel Configuration" page in my program that I setup. The user can turn channels on or off for data acquisition. The user saves the channels (global variable), and then goes back to a Main Menu.
Right now, if they want to add a channel or edit one, I'm having them go through MAX.
I can deal with them having to add channels through MAX but I'm thinking of just integrating my own scaling. Having the user enter UNITS/VOLT and OFFSET. Then transfer those values via a global variable array to where I need them. Is there a VI Function that handle this scale? Or do I just need to get the individual data and store them in arrays. Does that make sense?
I'm using SCC modules, PXI-6052E card, and L
abview 6.1.
Thanks!
Lauren

I'm not sure exactly what you are asking for, but it sounds like you may want a VI that applies your scale. If so, there are a couple of VIs that will accomplish this for you. They are called 1D Linear Evaluation.vi and 2D Linear Evaluation.vi. These VIs apply a specified offset and scale to either a 1D or 2D array of data points. These VIs are located in the following palette. Functions >> Analyze >> Mathematics >> Array Operations. As for transferring the offset and scale values from the global, you will have to do that manually. I hope this information helps.

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Best way to handle user scaling/offsetting of channels in a program?

I have a "Channel Configuration" page in my program that I setup. The user can turn channels on or off for data acquisition. The user saves the channels (global variable), and then goes back to a Main Menu.
Right now, if they want to add a channel or edit one, I'm having them go through MAX.
I can deal with them having to add channels through MAX but I'm thinking of just integrating my own scaling. Having the user enter UNITS/VOLT and OFFSET. Then transfer those values via a global variable array to where I need them. Is there a VI Function that handle this scale? Or do I just need to get the individual data and store them in arrays. Does that make sense?
I'm using SCC modules, PXI-6052E car
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Thanks!
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If you use DAQmx (I can't remember if its supported in LV6.1) there is a property node where you can read and write scaling and offsets.
If you can't use DAQmx, your approach to store in arrays/config files will also work.
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ZimmerS1337 wrote:
SoulTech aren't you a smart ass, why post anything at all?You don't get to control what people post, any more than we can control what people ask. It's best to let stuff roll off your back.
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misterimran wrote:
Dear all,
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Best way to handle user scaling/offsetting of channels?

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