Campbell-scientific CR800 and CR850 Measurement and Control Systems Manuale Utente Scaricare il pdf (Pagina 204)

100

101

Section 7. Installation

204



addressing systems that allow multiplexing of several sensors on a single

communications port, which makes for more efficient use of resources.

7.8.8.4 Glossary of Terms

Asynchronous

Indicatesthesendingandreceivingdevicesarenotsynchronizedusinga

clocksignal.

Baudrate

Therateatwhichdataaretransmitted.

BigEndian

"Bigendfirst."Placingthemostsignificantintegeratthebeginningofa

numericword,readinglefttoright.

cr

Carriagereturn

Databits

Numberofbitsusedtodescribethedata,andfitbetweenthestartand

stopbits.Sensorstypicallyuse7or8databits.

Duplex

Canbehalforfull.Full‐duplexissimultaneous,bidirectionaldata.

lf

Linefeed

LittleEndian

"Littleendfirst."Placingthemostsignificantintegerattheendofa

numericword,readinglefttoright.

LSB

Leastsignificantbit(thetrailingbit)

MarksandSpaces

RS‐232signallevelsareinvertedlogiccomparedtoTTL.Thedifferent

levelsarecalledmarksandspaces.Whenreferencedtosignalground,

thevalidRS‐232voltagelevelforamarkis‐3to‐25,andforaspaceis

1 2 ... 199 200 201 202 203 204 205 206 207 208 209 ... 565 566

Commenti su questo manuale

Nessun commento

Campbell-scientific CR800 and CR850 Measurement and Control Systems Manuale Utente Pagina 204

Commenti su questo manuale

Prodotti e manuali riguardandi Strumenti di misura Campbell-scientific CR800 and CR850 Measurement and Control Systems