Campbell-scientific CR1000 Measurement and Control System Instrukcja Użytkownika Pobierz pdf (Strona 468)

100

101

Section 11. Glossary

468



supportsoftware

IncludesPC200W,PC400,RTDAQ,LoggerNet,andLoggerNetclients.

BriefdescriptionsarefoundinDataloggerSupportSoftware

(p.77).A

completelistingofdataloggersupportsoftwareavailablefromCampbell

ScientificcanbefoundintheappendixSoftware

(p.569).Software

manualscanbefoundatwww.campbellsci.com.

synchronous

Thetransmissionofdatabetweenatransmittingandareceivingdevice

occursasaseriesofzerosandones.Forthedatatobe"read"correctly,

thereceivingdevicemustbeginreadingattheproperpointinthe

series.Insynchronouscommunication,thiscoordinationis

accomplishedbysynchronizingthetransmittingandrecei

vingdevicesto

acommonclocksignal(seeAsynchronous

(p.447)).

systemtime

WhentimefunctionsarerunoutsidetheScan()/NextScanconstruct,

thetimeregisteredbytheinstructionwillbebasedonthesystemclock,

whichhasa10‐msresolution.Seescantime

(p.464).

task

1)GroupingofCRBasicprograminstructionsbytheCR1000.Tasks

includemeasurement,SDM,andprocessing.Tasksareprioritizedbya

CR1000operatinginpipelinemode.2)Auser‐customizedfunction

definedthroughLoggerNetTaskMaster.

TCP/IP

TransmissionControlProtocol/InternetProtocol.

Telnet

Asoftwareutilitythatattemptstocontactandinterrogateanother

specificdeviceinanetwork.

constant

Aterminalisthepointatwhichasinglewireconnectstoawiringpanel

orconnector.Terminalsareusuallysecuredwithsmallscrew‐orspring‐

loadedclamps.Seeconnector

(p.450).

terminalemulator

Acommand‐lineshellthatfacilitatestheissuanceoflow‐level

commandstoadataloggerorsomeothercompatibledevice.A

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