Emerson MICRO MOTION 2700 - Page 14

Integratethemeterwiththecontrolsystem
♦Example:Cutoffinteraction
Conguration:
▪mAOutputProcessVariable=MassFlowRate
▪FrequencyOutputProcessVariable=MassFlowRate
▪AOCutoff=10g/s
▪MassFlowCutoff=15g/s
Result:Ifthemassowratedropsbelow15g/s,alloutputsrepresentingmassowwillreport
zeroow.
♦Example:Cutoffinteraction
Conguration:
▪mAOutputProcessVariable=MassFlowRate
▪FrequencyOutputProcessVariable=MassFlowRate
▪AOCutoff=15g/s
▪MassFlowCutoff=10g/s
Result:
▪Ifthemassowratedropsbelow15g/sbutnotbelow10g/s:
▪ThemAoutputwillreportzeroow.
▪Thefrequencyoutputwillreporttheactualowrate.
▪Ifthemassowratedropsbelow10g/s,bothoutputswillreportzeroow.
2.2.4CongureAddedDamping
DisplayNotavailable
ProLinkII
ProLink→Conguration→AnalogOutput→PrimaryOutput→AOAddedDamp
ProLink→Conguration→AnalogOutput→SecondaryOutput→AOAddedDamp
Communicator
5,3,1,4
DetailedSetup→CongOutputs→AnalogOutput1→PVAOAddedDamping
5,3,2,4
DetailedSetup→CongOutputs→AnalogOutput2→SVAOAddedDamping
AddedDampingcontrolstheamountofdampingthatwillbeappliedtothemAoutput.Itaffects
thereportingofmAOutputProcessVariablethroughthemAoutputonly.Itdoesnotaffectthe
reportingofthatprocessvariableviaanyothermethod(e.g.,thefrequencyoutputordigital
communications),orthevalueoftheprocessvariableusedincalculations.
Note
AddedDampingisnotappliedifthemAoutputisxed(forexample,duringlooptesting)orifthe
mAoutputisreportingafault.AddedDampingisappliedwhilesensorsimulationisactive.
OptionsforAddedDamping
WhenyousetthevalueforAddedDamping,thetransmitterautomaticallyroundsthevaluedown
tothenearestvalidvalue.ValidvaluesarelistedinT able2-4.
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MicroMotionModel2700TransmitterswithIntrinsicallySafeOutputs