Davis Universal Anemometer Interface for Vantage Pro2 Manuel d'utilisateur Page 7

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7
Connect the Anemometer Cable to the Interface
3-Volt Lithium Battery
“OUT”
RJ Jack
Anemometer
Selector Jumper
(labeled “P2”)
IN OUT
Solar Panel Cable
Square Black
Grommets
Cable Clamp
Mount
ISS Cable
Cable Clamp
Anemometer
Cable
“IN”
RJ Jack
P2
3
2
1
1. Opentheinterfaceshelter.Feedthelooseendofthe6conductoranemometer
cableupthroughthesquareblackgrommetatthebaseoftheshelter.(The
Davisshelterhastwoofthesegrommetstoprovideweatherresistant
entrancesforcables.Inthiscase,usethegrommetontheright.Youcanalso
rem
ovethegrommet,threadthecablethroughitandthenreplacethe
grommetintheshelterifthatiseasier.)
2. PlugtheendofthecableintotheRJja
cklabeled“IN.”
3. Locatetheanemome
terselectorjumperandmovetheshunttothecorrect
pins,asillustrated
•ShuntP2pins1&2ifyouranemometersAC
outputsignalhasafrequencyof90Hzwhen
thewindspeedis19.7mphor8.8m/s;
transferfunct
ion:mph=Hzx0.219.(e.g.
R.M.Yo
ung05103).
R.M. Young
(Pins 1 & 2 shunted)
Other
(Pins 2 & 3 shunted)
3
2
1
3
2
1
•ShuntP2pins2&3ifyo
uareusinganother
anemometerthatisnotanR.M.Youngor
doesnothavethesametransferfunctionas
theR.M.Young(seeabove).
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