Yokogawa FieldMate Manual do Utilizador descarregar pdf (Página 112)

  <ESpecicationsCommontoFieldMateBasicandAdvance>

E-62

IM 01R01A01-01E 9th Edition : May 31, 2013-00

 Trend Graph Display/operation when Clicking the Start Trend Button,

Change Update Duration Button, and Resume Trend Button are

Performed

 Switching between Periodic and One Shot Mode

• SelectingPeriodicfromtheModemenutogglesbetweenthemodes.Themodecanbe

switched from both the Diagnostic Information tab and the Trend Information tab.

• Thefollowingshowsthetrendgraph,dataacquisition,andinternalbufferwhenthescan

mode is switched from periodic to one shot while the Trend Information tab is displayed.

Trend graph: Stopped

Data acquisition: Stopped

Internal buffer storage: Stopped

• Thefollowingshowsthetrendgraph,dataacquisition,andinternalbufferwhenthescan

mode is switched from one shot to periodic.

Trend graph: Displayed

Data acquisition: Resumed

Internal buffer storage: Cleared

 Stopping/resuming Trend Operation

• Thefollowingshowsthetrendgraph,dataacquisition,andinternalbufferwhenTrendPause

is selected from the Mode menu to stop trend operation.

  Trendgraph:Frozen

Data acquisition: Continues

  Internalbufferstorage:Frozen

In other words, the graph is not updated while operation is stopped.

• Thefollowingshowsthetrendgraph,dataacquisition,andinternalbufferwhenTrendPause

is selected from the Mode menu to resume trend operation.

Trend graph: Displayed from time resumed

Data acquisition: Continues

Internal buffer storage: Stored from time resumed

 Setting Update Duration

SelectUpdateDurationfromtheSettingmenuwhenthemenuitemisenabled.Themenuitem

is only enabled when periodic mode is set.

Trend Graph Display and Trend Data

(1) ChangingUpdateDuration

Trend graph: Display is refreshed

Internal buffer storage: Cleared

(2) Stopping trend operation

Trend graph: Stopped

Internal buffer storage: Stopped

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