Best way for using Property Loader with Excel

I am trying to architect a test system to run a variety of tests (DIO, AIO, PWM...etc) and I noticed that Property Loader can be quite handy. I am trying to find the best method to utilize NI TestStand Property Loader to load test properties from Excel into some sort of parameter database. The properties shall be loaded only once when the test sequence is opened. The parameters of the excel table will have a format like this:
TestType TestCondition ECUPin# Limits.High    Limits.Low Units PWM_Frequency CAN_TX   CAN_RX
DI        ON 1    0x0102   0x0304
AI    OFF    2    0             0.1                V                                0x1324   0x0405
The table will look much more complex than this one, but once I know how to do this I should be fine. Does anyone have suggestions for what I am trying to do ?
Thanks,
Ayman

There are a couple methods of thought here:
Property Loader- You can use the tool to export and import properties. The best way to do it is to export the properties that you want in the Excel file using the tool. Then make copies of the file and change the values in there. This will ensure that once the values come back into TestStand they will all go to the correct place.
FileGlobals Method- You can create a large container which has all the correct variables in it in your file globals or locals. There is an object in the TS API called a PropertyObjectFile. This file is a simple text file that contains the properties, sub properties and values of any property object in TS. You can easily just pass the container into it. The problem with this is that you then have to create a VI or some tool to edit the values in it. You can go in there and manually change them but it's not as intuitive.
Property Loader to FileGlobal Container- This would basically be a hybrid of the two. Pretty much what you described in your post. Where the property loader only has to load the container in your FileGlobals.
Which method is best? It all depends on your application. If you ever need to dynamically export the properties then you can't use the Property Loader.
One thing to remember is that you should only Import/Export properties that need to be changed in the Excel file. This will help reduce the number of properties.
Hope this helps,
jigg
CTA, CLA
teststandhelp.com
~Will work for kudos and/or BBQ~

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