Display returns latest data value rather than maximum data value.
I have requested the Maximum value using the Statistics VI. The display returns the latest value rather than the maximum. I think it may have to do with specifying the sample size or data packet size but I don't know how to do that.
You probably are only taking a single reading with the DAQ Assistant and the Statistics function expects an array to determine the max value in that array. There are a couple ways to do what you want. One way is to use the Array Min & Max Single Point function (Signal Processing>Point by Point>Other Functions). This has a sample length input and a reset input. Another way is to create an array with a shift register and use the Statistics function or just the Array Min & Max function. You could limit the size of the array with Array Subset for example.
To attach a file to your post, look below the message body. There is a Attachment field with a browse button.
Message Edited by Dennis Knutson on 06-29-2007 09:41 AM
Attachments:
Max value.PNG 7 KB
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I'd still like to see an illustration of "A DAY IN THE LIFE OF DATA IN BC4J"
Bill G...
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DevFirst i didn't read topic exactly )))
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from dual union all
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from dual union all
select 1 id, 'Jack' name, 'Manager' position, 20 lvl, to_date('10/1/2013 09:00:00 AM', 'mm/dd/yyyy hh:mi:ss am') date_added, 'NoMatch' flag_name
from dual union all
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from dual
select ID,
Name,
Position,
max(lvl) keep (dense_rank first order by с desc, Date_Added desc) lvl,
max(Date_Added) keep (dense_rank first order by с desc, Date_Added desc) Date_Added,
min(Flag_Name) keep (dense_rank first order by с desc, Date_Added desc) Flag_Name
from(
select ID,
Name,
Position,
lvl,
Date_Added,
Flag_Name,
decode(flag_name, 'Error', -1, 1) с
from T
where flag_name != 'Match'
group by ID,Name,Position
ID
NAME
POSITION
LVL
DATE_ADDED
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Jack
Manager
20
01.10.2013 09:00:00
NoMatch
2
Tom
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John
Salesman
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Ramin Hashimzade
Message was edited by: RaminHashimzadeh -
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