Campbell CR1000 User Manual

Appendix A. CRBasic Programming Instructions
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 CR1000 clock one hour.
Syntax
variable = DaylightSavingUS(DSTSet)
IfTime
Returns a number indicating True (-1) or False (0) based on the CR1000 real-
time clock.
Syntax
If (IfTime(TintoInt, Interval, Units)) Then
-or-
Variable = IfTime(TintoInt, Interval, Units)
PakBusClock
Sets the CR1000clock 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 CR1000 clock.
Syntax
RealTime(Dest)
SecsSince1990
Returns seconds elapsed since 1990. Data type is LONG. Used with
GetRecord().
Syntax
SecsSince1990(date, option)
TimeIntoInterval
Returns a number indicating True (-1) or False (0) based on the datalogger real-
time clock.
Syntax
Variable = TimeIntoInterval(TintoInt, Interval, Units)
-or-
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Campbell CR1000 Specifications

General

Power Requirements	9.6 to 16 VDC
Data Logger Operating System	CRBasic
Memory	4 MB
Analog Inputs	16 single-ended or 8 differential
Analog Input Resolution	13 bits
Analog Input Range	+/-2.5V
Digital I/O	8
Pulse Counters	2
Communication Ports	RS-232
Operating Temperature	-25°C to +50°C
Pulse Channels	4