Campbell CR1000 User Manual

Appendix A. CRBasic Programming Instructions
Analyzers via SDM.
Syntax
EC100(Dest, SDMAddress, EC100Cmd)
EC100Configure
Configures the EC150 Open Path and EC155 Closed Path IR Gas Analyzers.
Syntax
EC100Configure(Result, SDMAddress, ConfigCmd, DestSource)
GPS
Used with a GPS device to keep the CR1000 clock correct or provide other
information from the GPS such as location and speed. Proper operation of this
instruction may require a factory upgrade of on-board memory.
Syntax
GPS(GPS_Array, ComPort, TimeOffsetSec, MaxErrorMsec,
NMEA_Sentences)
Note To change from the GPS default baud rate of 38400, specify the new baud
rate in the SerialOpen() instruction.
HydraProbe
Reads the Stevens Vitel SDI-12 Hydra Probe sensor.
Syntax
HydraProbe(Dest, SourceVolts, ProbeType, SoilType)
LI7200
Communicates with the LI-COR LI-7200 open path CO
2
and H
2
O sensor.
Syntax
LI7200(Dest, Reps, SDMAddress, Command)
LI7700
Communicates with the LI-COR LI-7700 open path CO
2
and H
2
O sensor.
Syntax
LI7200(Dest, Reps, SDMAddress, Command)
TGA
Measures a TGA100A trace-gas analyzer system.
Syntax
TGA(Dest, SDMAddress, DataList, ScanMode)
Therm107
Measures a Campbell Scientific model 107 thermistor.
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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