Campbell-scientific CR1000 Measurement and Control System Uživatelský manuál stáhnout pdf (Strana 452)

100

101

Section 11. Glossary

452



datapoint

Adatavaluewhichissenttofinalstorage

(p.454)astheresultofan

outputprocessing(datastorage)instruction.Stringsofdatapoints

outputatthesametimemakeuparecordinadatatable.

dc

SeeVdc

(p.470).

DCE

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

meaning,inthelimitedcontextofpracticalusewiththeCR1000,it

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

TheRS‐232portontheCR1000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.92),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.

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