Table of
Contents
I.Introduction..............................................................................................................................................1
A.GeneralDescription...................................................................................................................1
B.PrinciplesofOperation..............................................................................................................1
C.TechnicalSpecifications.............................................................................................................3
II.InstallationandOperation.......................................................................................................................4
A.ReceivingtheMS2901ETransmitter.........................................................................................4
B.Installation.................................................................................................................................4
1.PhysicalMountingandProbeConnection...................................................................4
a.Direct‐ProbeMounting......................................................................................5
b.RemoteMounting..............................................................................................5
2.CurrentLoopConnection.............................................................................................6
a.MakingConnections.........................................................................................6
b.Grounding.........................................................................................................6
c.WiringforaSafeAreaInstallation....................................................................6
d.HARTConnectionforaSafeAreaInstallation...................................................7
e.WiringforaHazardousAreaInstallation...........................................................8
f.WiringwithHARTatHazardouslocations..........................................................9
3.SetupandOperation.....................................................................................................10
a.ProbeSelectionSwitches..............................................................................10
b.TestingtheCurrentLoop..............................................................................11
i.Calibration...............................................................................................11
ii.Testingloopoutputzero(4mA)andspan(20mA).................................12
iii.TestingtheMS2901EwiththeMeterProver..........................................12
c.InterpretingData............................................................................................13
i.MetalLoss................................................................................................13
ii.CalculatingCorrosionRate.......................................................................14
d.Commissioning..............................................................................................16
C.Maintenance............................................................................................................................17
D.HARTCommunicationandDeviceDescriptor..........................................................................18
E.TheHARTModem.....................................................................................................................33
F.Troubleshooting........................................................................................................................37
III.ServiceandWarrantyInformation.......................................................................................................38
A.Warranty...................................................................................................................................38
B.ObtainingServiceandReturningtheInstrumentforRepair....................................................38
C.InstrumentRepairForm...........................................................................................................39
AppendixA–RevisionHistory...................................................................................................................40
AppendixB–HazardousAreaCertificationDetails...................................................................................41
AppendixC–ControlDrawing(HazardousAreaWiringDiagram)............................................................48
