QuickstartwithProLinkII
3.2.2Makeaserviceportconnection
Prerequisites
Youwillneedthefollowing:
•Aninstalled,licensedcopyofProLinkII
•AnavailableserialorUSBport
•Oneofthefollowingtypesofsignalconverters:
−RS-232toRS-485signalconverter
−USBtoRS-485signalconverter
•Adaptersasrequired(e.g.9-pinto25-pin)
Important
TheSP(ServicePort)clipsonthedisplayofthe
9739MVDtransmitteraredirectlyconnectedto
theRS-485terminals26and27ofthetransmitter.IfyouhavewiredthetransmitterforRS-485
digitalcommunications,youmustdirectlyconnecttothetransmitterusingtheRS-485terminalblock
connectionsordisconnecttheRS-485terminalconnectionstousetheServicePortconnections.
Procedure
1.AttachthesignalconvertertoyourPC’sserialorUSBport.
2.Atthetransmitter,removethehousingcovertoaccessthetransmitterdisplay.
Ifthetransmitterisinahazardousarea,donotremovethehousingcoverwhile
powerisbeingsuppliedtotheunit.Removingthehousingcoverwhilepoweris
suppliedtotheunitcouldcauseanexplosion.Toaccesstransmitterinformationina
hazardousenvironment,useacommunicationmethodthatdoesnotrequireremoving
thetransmitterhousingcover.
3.ConnecttheleadsonyoursignalconvertertotheSP(ServicePort)clips(AandB)ontheface
ofthetransmitter.SeeFigure3-1.
Tip
Usually,butnotalways,theblackleadisRS-485/AandtheredleadisRS-485/B.
ConfigurationandUseManual
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