Campbell CR850 - Glossary of Terms

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