Emerson Micro Motion 9739 MVD

QuickstartwithProLinkII
Prerequisites
YoumusthavethefollowingversionofProLinkIIinstalledonyourcomputer:v2.91orlater.
3.2.1ProLinkIIconnectiontypes
The9739MVDtransmitterhasseveralconnectionsoptionsforcommunicatingviaProLinkII.You
chooseaconnectiontypebasedonwhatyouneedtoaccomplishwiththetransmitterandthedigital
communicationsyouareusing.
The
9739MVDtransmittersupportsthefollowingProLinkIIconnectiontypes:
•Serviceportconnections
•HART/Bell202connections
•HART/RS-485connections
•Modbus/RS-4857-bitconnections(ModbusASCII)
•Modbus/RS-4858-bitconnections(ModbusRTU)
Whenselectingaconnectiontype,considerthefollowing:
•Serviceportconnectionsusestandardconnectionparametersthatarealreadydenedin
ProLinkII,andthereforeyoudonothavetocongurethem.
•HART/Bell202connectionsusestandardHARTconnectionparametersthatarealreadydenedin
ProLinkII.Theonlyparameteryoumustcongureisthetransmitteraddress.
•Theserviceportterminals(AandB)andtheRS-485terminals(26and27)usethesameinternal
wiring.IfyouhavewiredthetransmitterforRS-485digitalcommunications,youcannotmake
aserviceportconnection.
•Serviceportconnectionsrequireaccesstotheserviceportterminals,whicharelocatedonthe
transmitterdisplayandonlyaccessibleafterremovingthehousingcover.Accordingly,service
portconnectionsshouldbeusedonlyfortemporaryconnections,andmayrequireextrasafety
precautions.
•Modbusconnections,includingserviceportconnections,aretypicallyfasterthanHART
connections.
•WhenyouareusingaHARTconnection,
ProLinkIIwillnotallowyoutoopenmorethanone
windowatatime.Thisisdonetomanagenetworktrafcandoptimizespeed.
•Youcannotmakeaserviceportconnectionwhileanactiveconnectionexistsbetweenthe
transmitterandModbushost.
26MicroMotion9739MVDTransmitters