Vega VEGAPULS 62 standpipeversion Operating Instructions Manual
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Contents
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CodeText mes-sageCause RectificationM503Reliability toolowl The echot/noise ratio is thesmall for a reliable measu-rementl Check installation and pro-cess conditionsl Clean the antennal Change polarisation direc-tionl Use instrument with highersensitivityM504Error on andevice inter-facel Hardware defect l Check connectionsl Exchange of the electro-nicsl Send instrument for repairM505No echo avai-lablel Level echo can no longerbe detectedl Clean the antennal Use a more suitable an-tenna/sensorl Remove possible falseechoesl Optimize sensor positionand orientation9.4 Remove interferencesThe operator of the system is responsible for taking suitable measuresto rectify faults.The first measures are:l Evaluation of fault messages via the indicating and adjustmentmodulel Checking the 4 … 20 mA signall Treatment of measurement errorsFurther comprehensive diagnosis possibilities are offered by a PC withthe software PACTware and suitable DTM.In many case, the failure reasons can thus be determined and faultsrectified.The below tables show typical examples for application-relevantmeasurement errors with standpipe versions. There are two meas-urement errors:l Constant levell Fillingl EmptyingReaction when malfunc-tions occurProcedure for fault rec-tificationTreatment of measure-ment errors with stand-pipe versions40 VEGAPULS 62 standpipe version • Foundation Fieldbus9 Diagnosis, Asset Management and service36510-EN-120301 |
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