Campbell-scientific CR800 and CR850 Measurement and Control Systems Manual de usuario descargar pdf (Pagina 463)

100

101

Appendix A. CRBasic Programming Instructions

463

BrHalf3W

MeasuresratioofR

/R

ofathree‐wirehalf‐bridge.

Syntax

BrHalf3W(Dest, Reps, Range, SEChan, Vx/ExChan, MeasPEx, ExmV,

RevEx, SettlingTime, Integ, Mult, Offset)

BrHalf4W

MeasuresratioofR

/R

ofafour‐wirehalf‐bridge.

Syntax

BrHalf4W(Dest, Reps, Range1, Range2, DiffChan, Vx/ExChan,

MeasPEx, ExmV, RevEx, RevDiff, SettlingTime, Integ, Mult,

Offset)

A.5.5 Excitation

ExciteV

Thisinstructionsetsthespecifiedswitched‐voltageexcitationchanneltothe

voltagespecified.

Syntax

ExciteV(Vx/ExChan, ExmV, XDelay)

SW12

Setsaswitched12‐Vdcterminalhighorlow.

Syntax

SW12(State)

A.5.6 Pulse and Frequency

Read More! See Pulse (p. 297).



Note Pull-up resistors are required when using digital I/O (control) ports for

pulse input (see Pulse Input on Digital I/O Channels C1 - C4 (p. 301) ).

PeriodAvg

Measurestheperiodofasignalonanysingle‐endedvoltageinputchannel.

Syntax

PeriodAvg(Dest, Reps, Range, SEChan, Threshold, PAOption,

Cycles, Timeout, Mult, Offset)

PulseCount

Measuresnumberorfrequencyofvoltagespulsesonapulsechannel.

Syntax

PulseCount(Dest, Reps, PChan, PConfig, POption, Mult, Offset)

VibratingWire

TheVibratingWireinstructionisusedtomeasureavibratingwiresensorwitha

sweptfrequency(fromlowtohigh).

Syntax

VibratingWire(Dest, Reps, Range, SEChan, Vx/ExChan,

StartFreq, EndFreq, TSweep, Steps, DelMeas, NumCycles,

DelReps, Multiplier, Offset)

1 2 ... 458 459 460 461 462 463 464 465 466 467 468 ... 565 566

Comentarios a estos manuales

Sin comentarios

Campbell-scientific CR800 and CR850 Measurement and Control Systems Manual de usuario Pagina 463

Comentarios a estos manuales

Relacionado con productos y manuales para Instrumentos de medición Campbell-scientific CR800 and CR850 Measurement and Control Systems