Emerson Micro Motion 9739 MVD

Integratethemeterwiththecontrolsystem
7.9Setuppollingfortemperature
DisplayNotavailable
ProLinkII
ProLink→Conguration→PolledVariables→ExternalTemperature
FieldCommunicatorCongure→ManualSetup→Measurements→ExternalCompensation→ExternalPolling
Thetransmittercanpollanexternaltemperaturedeviceforcurrenttemperaturedata.Theexternal
temperaturevalueisusedonlybythepetroleummeasurementapplicationortheconcentration
measurementapplication.Ifyoudonothaveoneoftheseapplications,donotsetuppollingfor
temperature.
Tip
Toobtainvaluefromusinganexternaltemperaturevalue,theexternalmeasurementdevicemustbe
reliableandmustprovidemoreaccuratedatathanisavailablefromthesensor.
Prerequisites
PollingrequiresHARTprotocolovertheBell202physicallayer.EnsurethattheprimarymAoutput
onyourtransmitterhasbeenwiredforHARTprotocol,andthattheexternalmeasurementdeviceis
accessibleovertheHARTnetwork.
Procedure
1.SelectPolledVariable1orPolledVariable2.
2.SetPollingControl.
PollingControldetermineshowthetransmitterwillaccesstheexternalmeasurementdevice.
OptionDescription
PrimaryThetransmitteristheonlydevicethatwill
accesstheexternalmeasurementdeviceas
aprimarymaster.
SecondaryAnotherdeviceonthenetworkwillaccessthe
externalmeasurementdeviceasaprimary
master.
Tip
Ifyousetuppollingforbothtemperatureandpressure,usethesamePollingControloptionforboth.
Ifyoudonot,Primarywillbeusedforbothdevices.
3.(ProLinkIIonly)ClickApplytoenablethepollingcontrols.
150MicroMotion9739MVDTransmitters