Rockwell-automation FactoryTalk Historian SE DataLink 4.2 User Guide Manual do Utilizador descarregar pdf (Página 55)

3 ● FactoryTalk Historian DataLink Functions

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Example:

To see the hourly range of values beginning the same day at midnight until

the present time for the sinusoid tag, the following arguments are set for

the Calculated Data function:

PI Tag

Tagname = sinusoid

Start Time = t

End Time = *

Time Interval = 1h

Calculation Mode = range

Calculation Basis = time-weighted

show start time

show end time

column

The resulting function array appears as:

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 163 164

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