RayTek 54301 Thermometer User Manual


 
ProgrammingGuide
11.1TransferModes
Theunit’sserialinterfaceiseitherRS232orRS485,dependingonthe
model.
Settings: transfer rate: 9.6 kBaud, 8 data bits, 1 stop bit, no
parity,flowcontrol:none(halfduplexmode).
Therearetwopossibletransfermodesfortheserialinterface:
PollMode:Byuserinterfacecontrol,aparameterwill
besetor
requested.
BurstMode: A predefined data string (“burst string“) will be
transferredasfastaspossibleaslongastheburstmode
is activated. The data will be transferred in one
directiononly,fromtheunittotheuserinterface.
V=P “P“startsthePollmode
(allowstorequestortoset
parameters)
V=B “B“startstheBurstmode(datawillbetransferredas
fastaspossible;necessary:datastringdefinition
“Burststring“)
$=UTIE “$“setstheparametercombination(“burststring“)
“U“unit(°Cor°F)
“T“temperaturevalue
“I“internaltemperatureofthe
sensinghead
“E“emissivity
?X$ givestheburststringparameterswhileinpollmode
Returnfromtheburstmodetothepollmode:
Ifthepollmodeshallbeactivatedwhiletheburstmodeisstillactive,
sendacharacterandwithinthefollowing3secondsthecommand
V=P.
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