Duratech DA05 WinCE Bedienungsanleitung PDF herunterladen (Seite 33)

UniversitàdegliStudidiCatania

IntroductiontoNILabVIEW

 LabVIEWG‐Language:DAQconcepts

Virtual channels define real‐world measurements consisting of one

or more DAQ channels (terminals on your DAQ device) along with

other channel‐specific information: range, terminal configuration,

and custom scaling that is used to format the data.

An NI‐DAQmx Task is a collection of one or more virtual channels

along with timing, triggering, and other properties. Conceptually, a

task represents a measurement or generation you want to perform.

For example, a task allows you to specify whether you want to

measure 1 sample, measure N samples, or measure continuously

(using a buffer to store data). A task also allows you to specify the

sample rate, the timing clock source, and the task triggers. Once

youhavedefinedatask,youcansimplystartthetask,readthetask

data, and stop the task from within LabVIEW.

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Duratech DA05 WinCE Bedienungsanleitung Seite 33