Vega VEGABAR 20 Manual do Utilizador

pLevel and PressureOperating instructionsVEGABAR 20876543214 ¼ 20 mADISPLAY VEGADIS 1012 ¼ 36 V DC E12+ -+-0 - 20 bar

10 VEGABAR 20Product description1.5 DimensionsHousingwithout indicating module with indicating module87251520SW 27¼" NPT½" NPTGN872520ø11,4½

VEGABAR 20 11Mounting, electrical connection2 MountingVEGABAR can be mounted in any position.Cable entries must point downwards to avoidhumidity ingre

12 VEGABAR 20VEGABAR0 - 20 bar8 765321–+VEGABAR (with or without indication)rd wt vio orEarth1)Current meter for localcontrolSupply voltage12 … 36 V D

VEGABAR 20 13Supply via a signal conditioning instrumentStandard circuit for basic module with analogue output (notstandardised).Supply via a PLC with

14 VEGABAR 204.1 Adjustment of the basicfunctionsAdjustment elementsOPERATEtSPANZEROiKey +: Changevalue (raising)Key –: Changevalue (lowering)Rotating

VEGABAR 20 15Set-upDependent on the param-eter, change value (raising)or choose from listChoose menu point or inter-rupt inputAcc. to the menu point,

16 VEGABAR 20Set-upMenu planAd-just-mentCalcu-lationOutputSimula-tionOperate0,2mbarEscapeAdjustwithpress.AdustwithoutpressEscapeZero4,000mASpan4,000mA

VEGABAR 20 17Set-upAddi-tionalfunctiionEscapeSensordataLan-guageLan-guageEnglishResetP max150mbarTemp.30,7°CHerst.Date49.98P min-0,3mbarReset OK ?Rese

18 VEGABAR 20Set-upAdjustment taking the current pres-sure into account (live adjustment)Live adjustment comprises two steps:1 Adjustment of zero2 Adj

VEGABAR 20 19Set-upNote:- A modification of zero does not influencethe adjusted span.- By pushing the “+“ and “–“-keys the outputcurrent remains on th

2 VEGABAR 20Safety informationSafety informationThe described module must only be installedand operated as described in these operatinginstructions. P

20 VEGABAR 20TendencyindicationBargraphDigital valueSet-upAdditional functionsSensor dataImportant sensor data can be indicated viathe DOT-matrix for

VEGABAR 20 21Diagnosis5 Diagnosis5.1 MaintenanceVEGABAR process pressure transmitters aremaintenance free.5.2 Failure removalFault signalsVEGABAR prov

22 VEGABAR 20Diagnosis~1 2 3+–––+mAVoltageCurrentVExternalenergy sourceCurrent meter forlocal controlmAChecking the electrical componentsVoltage

VEGABAR 20 23Instrument modification6 Instrument modification6.1 Interchanging adjustmentmodulesThe modular construction of VEGABAR allowsretrofitting

ISO 9001The statements on types, application, use and operating conditionsof the sensors and processing systems correspond to the actualknowledge at t

VEGABAR 20 3ContentsContentsSafety information ... 2Note Ex-area ...

4 VEGABAR 20Product description1 Product description1.1 Function and configurationThe VEGABAR 20 process pressure trans-mitters are efficient instrume

VEGABAR 20 5Product description1.3 Technical dataMechanical dataMaterials, wetted partsProcess connection brass 2.040, stainless steel 1.4571Diaphragm

6 VEGABAR 20Product descriptionNAMUR-regulationsThe NAMUR-regulations NE 21, May 1993 are met.Supply and signal circuitSupply voltage 12 … 36 V DCPerm

VEGABAR 20 7Product descriptionMeasuring rangeNominal measuring Gauge pressure Low pressurerange resistance 1)resistanceGauge pressure0 … 0,1 bar 10 b

8 VEGABAR 201)Relating to the nominal measuring range.2)In the compensated temperature range of 0°C … +80°C, reference temperature 20°C.3)Acc. to IEC

VEGABAR 20 9Product description1.4 ApprovalsEx Zone 2StEx Zone 10Ship approvalCENELEC EEx ia IICATEX II 1G EEx ia IIC and WHGATEX II 1G EEX ia IIC and