Campbell-scientific CR800 and CR850 Measurement and Control Systems Uživatelský manuál stáhnout pdf (Strana 484)

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Appendix A. CRBasic Programming Instructions

484



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)

IfTime

ReturnsanumberindicatingTrue(‐1)orFalse(0)basedonthedatalogger'sreal‐

timeclock.

Syntax

If (IfTime(TintoInt, Interval, Units)) Then

-or-

Variable = IfTime(TintoInt, Interval, Units)

PakBusClock

SetsthedataloggerclocktotheclockofthespecifiedPakBusdevice.

Syntax

PakBusClock(PakBusAddr)

RealTime

Parsesyear,month,day,hour,minute,second,micro‐second,dayofweek,

and/ordayofyearfromthedataloggerclock.

Syntax

RealTime(Dest)

SecsSince1990

Returnssecondselapsedsince1990.DataTypeisLONG.UsedwithGetRecord().

Syntax

SecsSince1990(date, option)

TimeIntoInterval

ReturnsanumberindicatingTrue(‐1)orFalse(0)basedonthedatalogger'sreal‐

timeclock.

Syntax

Variable = TimeIntoInterval(TintoInt, Interval, Units)

-or-

If TimeIntoInterval(TintoInt, Interval, Units)

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