Teledyne 9060Z 4.12CONNECTINGREFERENCEAIR, 4.13CONNECTINGTHETRANSMITTERTOAMODBUSNETWORK

Model9060ZManual
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23
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Theon‐lineautopurgeandcalibrationchecksystemisoptional.Fordetailsonitsoperationsee
chapters4.24,4.25andchapter11.
Toautomaticallysenseablockedprobefilter,aflowswitchshouldbeinstalledinthe‘purge’lineto
theprobe‘CAL’port.Itshouldbeadjustedsothatitenergizesjustbelowthepurgeflowwithnewor
cleanfiltersinstalled.Theflowswitchcontactsshouldbeconnectedtoterminals16&17(FLOWSW).
Ifthefilterisstillblockedorpartlyblockedafteranautopurgecycle,theflowswitchwillnotenergize
andwillthereforecausea‘Probe1(2)FilterBlocked’alarm.
Afterinstallationthepurge/calsystemshouldbetestedthoroughlyforleaks.Anyleakscancause
significanterrorsiftheflueisatnegativepressure.Iftheflueisatpositivepressure,anoutwardleak
cancausecorrosioninthepurge/calsystempipingandfittings.
Ifprobe/filterpurgingisrequiredbuta“Probe1(2)FilterBlocked”alarmisnotrequired,donotinstall
theflowswitchbutlinkterminals16&17.
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4.12CONNECTINGREFERENCEAIR
Foroxygenprobes,a1/4”tubeconnectoronthetransmittershouldbeconnectedviaanylon,copper
orstainlesssteeltubetothe‘REF’connectorontheprobe.Iftwoprobesarebeingused,a“T”fitting
mustbesuppliedtoprovidereferenceairsupplytobothprobes.
4.13CONNECTINGTHETRANSMITTERTOAMODBUS™NETWORK
Thetransmittercanbenetworkedtoothertransmittersandtoanetworkmaster.Thenetworkuses
thetransmitter’sRS485port.Upto31transmitterscanbeconnectedtothenetwork,andcanbe
interrogatedbytheNetworkMaster.
NOTE:HardwareProtocolSelectionThecommunicationsportofthe9060Zcanbeconfiguredto
communicateoneitherRS232orRS485.IfthetransmitteristobeusedonaMODBUSnetwork,the
9060ZtransmittermustbesettoRS485.Forfurtherdetailsseechapter7.2.25,CommunicationPort
Options.
NOTE:TerminatingResistorThereisaterminating100ohmresistorfittedtothe1732‐1PCB.LinkLK3
(TERM),inthebottomleft‐handcornerofthePCB,isusedtoconnecttheterminatingresistor.Link
LK3mustberemovedonalltransmittersexceptthetransmitterontheendofthenetworkline.Ifthe
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AutomaticPurge&
Calibrationcheck
SystemWiring
Schematic
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AutomaticPurge&
Calibrationcheck
SystemPiping
Schematic