QuickstartwithProLinkII
Important
IftheHARTsecurityswitchissettoON,HARTprotocolcannotbeusedtoperformanyactionthat
requireswritingtothetransmitter.Forexample,youcannotchangetheconguration,resettotalizers,
orperformcalibrationusingthe
FieldCommunicatororProLinkIIwithaHARTconnection.Whenthe
HARTsecurityswitchissettoOFF,nofunctionsaredisabled.
Procedure
1.AttachthesignalconvertertoyourPC’sserialorUSBport.
2.Atthetransmitter,removethehousingcovertoaccesstheRS-485terminalconnections.
Ifthetransmitterisinahazardousarea,donotremovethehousingcoverwhile
powerisbeingsuppliedtotheunit.Removingthehousingcoverwhilepoweris
suppliedtotheunitcouldcauseanexplosion.Toaccesstransmitterinformationina
hazardousenvironment,useacommunicationmethodthatdoesnotrequireremoving
thetransmitterhousingcover.
3.Toconnectdirectlytothetransmitter,connecttheleadsonyoursignalconvertertoterminals26
(RS-485/A)and27(RS-485/B)onyourtransmitter.SeeFigure3-5.
Figure3-5ProLinkIIconnectiontotransmitterterminals
APC
B25-to-9pinadapter,ifnecessary
CRS-485toRS-232signalconverter
DTransmitter
4.ToconnecttoapointintheRS-485network,connecttheleadsonyoursignalconvertertoany
pointinthenetworkandaddresistanceasnecessary.SeeFigure3-6.
34
MicroMotion9739MVDTransmitters