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Calculating Coating Weight
Best method to calculate a coating weight, an array or FIFL and FIFU?

I have to calculate a coating weight to be updated every 5 minutes, up to 30 minutes. What is the best way to do this, an array or FIFL and FIFU in RSLogix 5000?

What are you actually looking for?

A calculation every 5 mins or 6 results of calculations over 30 mins then to do what?

You haven't mentioned FIFO or FILO (or is that LIFO). I recall the days when these instructions didn't exist, and for 6 resultant values, you may as well build your own stack to suit your specific requirements.