Emerson Micro Motion 9739 MVD

Troubleshooting
Procedure
1.SetHARTAddressasappropriateforyourHARTnetwork.
2.SetLoopCurrentModetoEnabled.
10.15CheckHARTburstmode
Procedure
1.Checktoseeifburstmodeisenabledordisabled.
2.Ifburstmodeisenabled,disableit.
10.16CheckmAoutputtrim
TherearefourmAoutputtrimvalues:a4mAanda20mAtrimvalueforeachmAoutput.9739
MVDtransmittershavea4and20mAtrimvalueforeachmAoutput.Verifythecongurationofall
thetrimvalues.
Procedure
VerifythetrimvaluesforthemAoutput.
Note
MicroMotiondoesnotrecommendattemptingtotrimanmAoutputifthereadingisoffbymorethan
±200microamps.Ifthisisthecase,contactMicroMotionCustomerService.
10.17CheckLowerRangeValueandUpperRangeValue
Procedure
1.Verifycurrentprocessconditions.
2.CheckthecongurationoftheLRVandURV.
10.18CheckmAOutputFaultAction
Procedure
1.Checkthestatusalarmsforfaultconditions.
Ifnofaultconditionsarepresent,thesourceoftheproblemissomethingotherthanthemA
faultconguration.
2.CheckthecongurationofmAOutputFaultAction.
10.19CheckFrequencyOutputMode
FrequencyOutputModeisusedonlytodenedtherelationshipbetweentwofrequencyoutputs.Ifyour
transmitterisnotconguredfortwofrequencyoutputs,FrequencyOutputModeisnotcausingyouroutput
problem.
ConfigurationandUseManual
193