Integratethemeterwiththecontrolsystem
Table2-13OptionsforHARTvariablescontinued
ProcessvariablePVSVTVQV
Netmassowrate
(18)
üüüü
Netmasstotal
(18)
ü
Netmassinventory
(18)
ü
Netvolumeowrate
(18)
üüüü
Netvolumetotal
(18)
ü
Netvolumeinventory
(18)
ü
Concentration
(18)
üüü
Baume
(18)
üüü
InteractionofHARTvariablesandtransmitteroutputs
TheHARTvariablesareautomaticallyreportedthroughspecictransmitteroutputs,asdescribed
inTable2-14.
Table2-14HARTvariablesandtransmitteroutputs
HARTvariableReportedviaComments
PrimaryVariable(PV)
PrimarymAoutput
Ifoneassignmentischanged,theotherischanged
automatically,andviceversa.
SecondaryVariable(SV)
Notassociatedwithan
output
TheSVmustbecongureddirectly,andthevalueoftheSV
isavailableonlyviadigitalcommunications.
TertiaryVariable(TV)Frequencyoutput(ifpresent
onyourtransmitter)
Ifoneassignmentischanged,theotherischanged
automatically,andviceversa.Ifyourtransmitterdoes
nothaveafrequencyoutput,theTVmustbecongured
directly,andthevalueoftheTVisavailableonlyviadigital
communications.
QuaternaryVariable(QV)
Notassociatedwithan
output
TheQVmustbecongureddirectly,andthevalueoftheQV
isavailableonlyviadigitalcommunications.
2.5.2CongureDigitalCommunicationsFaultAction
DisplayNotavailable
ProLinkII
ProLink→Conguration→Device→DigitalCommSettings→DigitalCommFaultSetting
Communicator
5,3,6
DetailedSetup→CongOutputs→CommFaultIndication
DigitalCommunicationsFaultActionspeciesthevaluesthatwillbereportedviadigital
communicationsifthetransmitterencountersaninternalfaultcondition.
Note
IfLastMeasuredValueTimeoutissettoanon-zerovalue,thetransmitterwillnotimplement
thefaultactionuntilthetimeouthaselapsed.
24
MicroMotionModel2700TransmitterswithIntrinsicallySafeOutputs