Campbell-scientific CR3000 Micrologger Manual do Utilizador descarregar pdf (Página 508)

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Appendix A. CRBasic Programming Instructions

508

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Trim

Returnsacopyofastringwithnoleadingortrailingspaces.

Syntax

variable = Trim(TrimString)

UpperCase

Convertsastringtoalluppercasecharacters

Syntax

String = UpperCase(SourceString)

A.8 Clock Functions

Within the CR3000, time is stored as integer seconds and nanoseconds into the

second since midnight, January 1, 1990.

ClockChange

Returnsmillisecondsofclockchangeduetoanysettingoftheclockthat

occurredsincethelastexecutionofClockChange.

Syntax

variable = ClockChange

ClockReport

SendsthedataloggerclockvaluetoaremotedataloggerinthePakBusnetwork.

Syntax

ClockReport(ComPort, RouterAddr, PakBusAddr)

ClockSet

Setsthedataloggerclockfromthevaluesinanarray.

Syntax

ClockSet(Source)

Date

Returnsaformatteddate/timestringoftypeLongderivedfromsecondssince

1990.

Syntax

Date(SecsSince1990, Option)

DaylightSaving

Definesdaylightsavingtime.Determinesifdaylightsavingtimehasbegunor

ended.Optionallyadvancesorturns‐backthedataloggerclockonehour.

Syntax

variable = DaylightSaving(DSTSet, DSTnStart, DSTDayStart,

DSTMonthStart, DSTnEnd, DSTDayEnd, DSTMonthEnd, DSTHour)

DaylightSavingUS

DetermineifUSdaylightsaving timehasbegunorended.Optionallyadvanceor

turn‐backthedataloggerclockonehour.

Syntax

variable = DaylightSavingUS(DSTSet)

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