[foxboro] Calculations
- From: "Gillis, Dale" <Dale.Gillis@xxxxxxxxxxxxxxx>
- To: "'foxboro@xxxxxxxxxxxxx'" <foxboro@xxxxxxxxxxxxx>
- Date: Tue, 14 Jun 2011 10:23:13 -0500
Hello List
Just wondering if any one has done something similar to the following?
I've been asked to:
Program a calculation block to calculate the 3 minute arithmetic average of
instantaneous opacity reading and send this average to PI. (this is 3 minute
block average not rolling average). Create an alarm if the arithmetic three
minute average (block not rolling average) is 20% or above for more than 4
minutes in any 30 minute period. (2 peaks of 4 minute average in a 30 minute
period). Alarm banner to state "Opacity Exceedence..... log Exceedence"
I was thinking of using a calca block and maybe a DTIME block. Any ideas?
Thanks in advance
Dale
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