Campbell-scientific CR1000 Measurement and Control System Bedienungsanleitung Seite 468

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Seitenansicht 467
Section 11. Glossary
468
supportsoftware
IncludesPC200W,PC400,RTDAQ,LoggerNet,andLoggerNetclients.
BriefdescriptionsarefoundinDataloggerSupportSoftware
(p.77).A
completelistingofdataloggersupportsoftwareavailablefromCampbell
ScientificcanbefoundintheappendixSoftware
(p.569).Software
manualscanbefoundatwww.campbellsci.com.
synchronous
Thetransmissionofdatabetweenatransmittingandareceivingdevice
occursasaseriesofzerosandones.Forthedatatobe"read"correctly,
thereceivingdevicemustbeginreadingattheproperpointinthe
series.Insynchronouscommunication,thiscoordinationis
accomplishedbysynchronizingthetransmittingandrecei
vingdevicesto
acommonclocksignal(seeAsynchronous
(p.447)).
systemtime
WhentimefunctionsarerunoutsidetheScan()/NextScanconstruct,
thetimeregisteredbytheinstructionwillbebasedonthesystemclock,
whichhasa10msresolution.Seescantime
(p.464).
task
1)GroupingofCRBasicprograminstructionsbytheCR1000.Tasks
includemeasurement,SDM,andprocessing.Tasksareprioritizedbya
CR1000operatinginpipelinemode.2)Ausercustomizedfunction
definedthroughLoggerNetTaskMaster.
TCP/IP
TransmissionControlProtocol/InternetProtocol.
Telnet
Asoftwareutilitythatattemptstocontactandinterrogateanother
specificdeviceinanetwork.
constant
Aterminalisthepointatwhichasinglewireconnectstoawiringpanel
orconnector.Terminalsareusuallysecuredwithsmallscrew‐orspring
loadedclamps.Seeconnector
(p.450).
terminalemulator
Acommandlineshellthatfacilitatestheissuanceoflowlevel
commandstoadataloggerorsomeothercompatibledevice.A
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