User manual

UniversitàdegliStudidiCatania
IntroductiontoNILabVIEW
LabVIEWGLanguage:ExpressVIs
AnExpressVI isaVIwhose settingsyoucanconfigureinteractivelythroughadialogbox.ExpressVIsappearonthe
blockdiagramasexpandablenodeswithiconssurroundedbyabluefield.
YoucanconfigureanExpressVIbysettingoptionsintheconfigurationdialogboxthat
appearswhenyouplacetheExpressVIontheblockdiagram.
TheprimarybenefitofExpressVIsistheirinteractiveconfigurability.ExpressVIsareuseful
whenyouwanttogiveusersaVIorlibr aryofVIsforbuildingtheirownapplicationseasily
withminimalprogrammingexpertise.
ExpressVIsdonotprovideruntimeinteractiveconfigurationforVIs.Ifyouneedruntime
reconfiguration,buildanapplicationwithauserinterfacethatcontainsfeaturessimilartoa
configurationdialogbox.ExpressVIsaredesignedforeaseof
use.
Ifyouneedanapplicationtorunwithstrictmemoryrestrictionsorhighexecutionspeeds,
usestandardVIs.
DIEEI