Campbell-scientific CR1000 Measurement and Control System Manual de usuario Pagina 487

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Appendix A. CRBasic Programming Instructions
487
A.5.7.2 Measurement
PWM
PerformsapulsewidthmodulationonacontrolI/Oport.
Syntax
PWM(Source,Port,Period,Units)
TimerIO
MeasuresintervalorfrequencyonadigitalI/Oport.
Syntax
TimerIO(Dest, Edges, Function, Timeout, Units)
A.5.8 SDI-12
Read More! See SDI-12 Sensor Support (p. 172).
SDI12Recorder
RetrievestheresultsfromanSDI12sensor.
Syntax
SDI12Recorder(Dest, SDIPort, SDIAddress, SDICommand,
Multiplier, Offset)
SDI12SensorSetup
SetsupthedataloggertoactasanSDI12sensor
SDI12SensorResponse
HoldsthesourceofthedatatosendtotheSDI12recorder.
Syntax
SDI12SensorSetup(Repetitions, SDIPort, SDIAddress,
ResponseTime)
SDI12SensorResponse(SDI12Source)
A.5.9 Specific Sensors
ACPower
Measuresrealacpowerandpowerqualityparametersforsingle,split,and
threephase'Y'configurations.
Syntax
ACPower(DestAC, ConfigAC, LineFrq, ChanV, VMult, MaxVrms,
ChanI, IMult, MaxIrms, Reps)
DANGER ac power can kill. User is responsible for ensuring connections to ac
power mains conforms to applicable electrical codes. Contact a Campbell
Scientific applications engineer for information on available isolation
transformers.
CS110
MeasureselectricfieldbymeansofaCS110electricfieldmeter.
Syntax
CS110(Dest, Leakage, Status, Integ, Mult, Offset)
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