Campbell-scientific CR3000 Micrologger Uživatelský manuál stáhnout pdf (Strana 454)

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Section 11. Glossary

454



DCE

Datacommunicationsequipment.Whilethetermhasmuchwider

meaning,inthelimitedcontextofpracticalusewiththeCR3000,it

denotesthepinconfiguration,gender,andfunctionofanRS‐232port.

TheRS‐232portontheCR3000andonmanythird‐party

telecommunicationsdevices,suchasadigit

alcellularmodems,areDCE.

InterfacingaDCEdevicetoaDCEdevicerequiresanull‐modemcable.

desiccant

Amaterialthatabsorbswatervaportodrythesurroundingair.

DevConfig

DeviceConfigurationUtility

(p.97),availablewithLoggerNet,RTDAQ,

PC400,orawww.campbellsci.com.

DHCP

DynamicHostConfigurationProtocol.ATCP/IPapplicationprotocol.

differential

Asensorormeasurementterminalwhereintheanalogvoltagesignalis

carriedontwoleads.Thephenomenonmeasuredisproportionaltothe

differenceinvoltagebetweenthetwoleads.

digital

Numericallypresenteddata.

Dim

ACRBasiccommandfordeclaringanddimensioningvariables.Variables

declaredwithDimremainhiddenduringdataloggeroperations.

dimension

Tocodeforavariablearray.DIMexample(3)createsthethreevariables

example(1),example(2),andexample(3).DIMexample(3,3)createsnine

variables.DIMexample(3,3,3)creates27variables.

DNS

Domainnamesystem.ATCP/IPapplicationprotocol.

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