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RTMC diff()

AMK Jul 17, 2013 02:39 PM

Hello Forum,
Is there a command to obtain a difference between two adjacent readings in RTMC Pro? For example, we collect ppt in a sample tank and log accumulation, but I would like to plot the incremental increase instead of the absolute volume contained in the tank. We log data every 5 minutes.

Thanks,
AMK

tmecham Jul 17, 2013 03:05 PM

Try something like this:

Alias(tank_vol,"Server:CR1000.FIVE_MIN.total_volume");tank_vol - last(tank_vol)

AMK Jul 18, 2013 04:18 AM

Oh nice. Thank you very much. That's exactly what I needed.

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