Vega VEGADIF 55 4 … 20 mA_HART Manuel d'utilisateur

Operating InstructionsVEGADIF 554 … 20 mA/HARTDifferential pressurep

Transport must be carried out under consideration of the notes on thetransport packaging. Nonobservance of these instructions can causedamage to the d

4 Mounting4.1 General instructionsMake sure that the wetted parts of VEGADIF 55, especially the sealand process fitting, are suitable for the existing

Danger:Instruments for oxygen applications should be unpacked just beforemounting. After removing the protective cover of the process fitting, thelabel

+ – 1 2 3 3 5 5 6 6 7 4 Fig. 6: Measurementsetup, flow measurement in vapours with VEGADIF 551 Condensate vessels2 Orifice or impact pressure probe3 Blo

+–12 235 564 4Fig. 7: Measurementsetup, flow measurement in liquids with VEGADIF 551 Orifice or impact pressure probe2 Block valves3 VEGADIF 554 Precipi

4.3 Mounting instructions for level measurement+patmmin.patm12345Fig. 8: Measurementsetup, level measurement in the open vessel1 Minus side is open to

+–min.max.13434512Fig. 10: Measurementsetup, level measurement in closed vessel1 Block valves2 VEGADIF 553 Precipitator4 Drain valves5 Three-fold valv

+ – max. min. 1 2 3 4 Fig. 11: Measurementsetup, level measurement in closed vessel1 Block valve2 Precipitator3 Drain valve4 VEGADIF 55à Mount VEGADIF

Information:Level measurement is only ensured between the upper edge of thelower and the lower edge of the upper pressure transmitter.+–min.max.122346

+ – min. max. 1 2 3 4 5 Fig. 14: Measurementsetup in closed vessel with superimposed steam1 Condensate vessel2 Block valve3 Precipitator4 Drain valve5

Contents1 About this document1.1 Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41.2 Target group . . . . . . . . . . . . .

4.4 Mounting instructions with differentialpressure measurement+➃1233Fig. 15: Measurementsetup, differential pressure measurement in gases andvapours wi

à Mount VEGADIF 55 below the measurement loop so that theeffective pressure lines are always filled with liquid and gasbubbles can bubble up to the proc

l Remember that due to the hydrostatic pressure of the liquidcolumns in the capillaries, a zero point shift can occur. The zeropoint shift can be corr

Vacuum applicationIn applications under vacuum, we recommend mounting the pressuretransmitter below the lower isolating diaphragm. A vacuum load on th

0,0 2,0 4,0 6,0 8,0 10,0 12,0 50 100 300 400 500 600 700 800 900 1000 mbarm200 2 1 3 4 Fig. 20: Diagrammax. mounting height above the lower is

temperature TU≤ 70 °C (158 °F) and process temperature TP< 350 °C(662 °F). The data were determined under the critical application"resting air

4.8 Mounting instructions for wall or tubemounting97,5135741241067437,51Fig. 23: Mountingstrap for wall or tube mountingTake note of the following whe

5 Connecting to power supply5.1 Preparing the connectionAlways keep in mind the following safety instructions:l Connect only in the complete a bsence

5.2 Connection procedureProceed as follows:1 Unscrew the housing cover2 Loosen compression nut of the cable entry3 Remove approx. 10 cm (4 in) of the

Test4... 20mA4...20 mA10,5 V DC11,5 V DCTest123Fig. 25: Wiringplan VEGADIF 551 Supply voltage/Signal output: min. supply voltage 10.5 V DC, bridge isp

6.5 Local adjustment - local indication connected . . . . . .406.6 Data memory module (optional) . . . . . . . . . . . . . . . .446.7 Copy configuratio

5.4 Take 4 … 20 mA testsignalWithout interrupting the measurement you can tap a 4 … 20 mA testsignal via the plug and test terminal. By simply switchi

l Isthe instrument connected according to chapter "Connecting topower supply"?l Did you tighten all screws?l Did you screw up the housing co

6 Operation6.1 Short descriptionThe following adjustment media are available:l Order code A - 4 … 20 mA/HART/outside/LCD: Adjustment vialocal indicati

l 8-digitmeasured value indication incl. signs and decimal point,indication of the units, bar graph for current indicationl Easy and complete menu-gui

Symbol MeaningAlarm symboll Symbol flashes: Warning, instrument continues measuringl Symbol flashes permanently: Error, instrument does notcontinue meas

6.3 Adjustment elementsThe adjustment keys are either outside on the housing below theprotective cover or inside the electronics module. In addition t

Information:To carry out the respective function, the key or key combination mustbe pushed for at least 3 seconds. For a reset, the key combinationmus

l "+" key and "-" key- Quit editing mode without saving the modified value- In the menu you are within a function group: when pushi

1 Pressure for LRV is on the instrument2 Push "-" key at least for 3 s3 Does the LED on the electronics module light briefly?Yes: existing pr

3 Doesthe LED on the electronics module light briefly?Yes: existing pressure was accepted as position adjustmentNo: Existing pressure for position adju

1 About this document1.1 FunctionThis operating instructions manual provides all the information youneed for mounting, connection and setup as well as

2 Push "E" key at least for 3 s3 Does the LED on the electronics module light briefly?Yes: existing pressure was accepted as position adjustm

Measured valueGROUP SELCTIONDISPLAYSETTINGSEXTENDED SETUPPOS. ZERO ADJUSTPOS INPUT VALUECALIB. OFFSETPOSITION ADJUSTMENT BASIC SETUPOPERATING MENUQUIC

1. Confirmselection with "E". The active selection is marked by acheck mark in front of the menu text (the language English is selected).2. M

The point is highlighted in black, i.e. you can now edit this position.1. Push "+" or "-" until "0" is displayed. 2. Con

Move with "+" or "-" to the option "Confirm". Active selection ishighlighted in black.Assign value (400 mbar) to the para

Histo ROM 2 1 PC τ Damping [ ] τ 2 1 on off off on Sensor Display Fig. 54: Electronicsmodule with optionally available data memory module1 Optionally

Copyconfiguration data from a data memory module to aninstrument:Information:The adjustment must be unlocked. See also chapter "Lock/Unlockadjustm

Information:The adjustment must be unlocked. See also chapter "Lock/Unlockadjustment".1 Separate instrument from voltage supply2 Plug the da

6.8 Adjustment via HART handheldYou can adjust, check and use the additional functions of thetransmitter with a HART handheld along the 4 … 20 mA cabl

A modification of the DIP switch "Damping on/off" does not influencethe damping time as long as the adjustment is locked. A modification isonly

2 For your safety2.1 Authorised personnelAll operations described in this operating instructions manual must becarried out only by trained specialist

which can be reset by the respective reset code. To carry out a reset,the adjustment must be unlocked (see chapter "Lock/Unlock adjust-ment"

Resetcode Description7864 Total resetThis reset resets the following parameters:l Function group POSITION ADJUSTMENTl Function group BASIC SETUPl Func

6.11 Menuschematic**B B BBABA*1)1)1)2)*X**2)Continuation,see the following pageMeasured valueGROUP SELECTIONQUICK SETUPLANGUAGEPressureLevelFlowPOS. Z

FFF F FEEEDD D D DCC************************GGHHHXContinuationBASIC SETUP “Level”;see also the previous pageLevelLEVEL MODELIN. MEASURANDCALIBRATION M

********Editor TABLEMeasuringTableDisplay via HART handheld terminalonlyDisplay via on-sitedisplay onlyEXTENDED SETUPPressureTEMP. ENG UNIT TEMP. ENG

2)2)2)2)2)2)2)2)2)2)2)2)2)2)2)2)2)2)2)2)2)4)4)4)4)4)3)4)OUTPUTSET MAX. ALARMSET MIN. CURRENTOUTPUT CURRENTOUTPUT FAIL MODE ALT. CURR. OUTPUTASSIGN CUR

**IJ**IJ J J J J J JDisplay via HART handheldterminal onlyMEASURED VALUESIM. CURRENTAlarm Warningnone LevelPressure Tank contentFlowCurrentSIM. LEVELS

7 Setup7.1 Warning instructionsWarning:If there is pressure acting on the instrument that is less than thepermissible min. pressure, the messages &quo

The following modes are available:l Pressurel Levell FlowThe parameter LANGUAGE is assigned in the HART handheld to thegroup DISPLAY (OPERATING MENU:

ParameternameDescriptionSetvalue (563)EntryInput position adjustment - the pressure difference betwenzero (set value) and measured pressure must not be

2.5 Safetyapproval markings and safety tipsThe safety approval markings and safety tips on the device must beobserved.2.6 Safety approval markings and

+–III+67324ABFig. 62: Preferredinstallation for gasesI VEGADIF 55II Three-fold valve block2.4 Inlet valves3 Breather valve6.7 Vent valves on VEGADIF 5

Proceed as follows to prepare for the actual adjustment:1 Close valve 32 Fill measuring system with mediumOpen valves A, B, 2, 4: Medium flows in3 If n

Inmode "Flow", the instrument determines a volume or flow value outof the measured differential pr essur e. The differential pressure isgenerat

1)2)1) 1)MAX FLOWMAX. PRESS. FLOWDAMPING VALUEPOS. ZERO ADJUSTMEASURING MODEOPERATING MENUQUICK SETUPMeasured valueLANGUAGEGROUP SELECTIONFlowPressure

Measured value indication: Select Quick SETUP menu.MEASURING MODE: Select option "Flow".POS. ZERO ADJUST: Due due the installation position

Fig. 65: OpenvesselI VEGADIF 55II Precipitator1 Drain valve6.7 Vent valves on VEGADIF 55A Block valveProceed as follows to prepare for the actual adju

+AB6732415+–IIIIIIIIIFig. 66: ClosedvesselI VEGADIF 55II Three-fold valve blockIII Precipitator1, 5 Drain valves2, 4 Inlet valves6, 7 Vent valves on V

VEGADIF 55 isused in all versions for level measurement in closedvessels.Note:VEGADIF 55 in cell isolating diaphragm version is immediately readyfor o

Fillthe minus effective pressure line on the height of thecondensation pot3 Vent instrumentOpen valve 2 and 4: Discharge mediumOpen valve 3: Equalisati

once, theparameter adjustment must be reset first of all via theparameter ENTER RESET CODE with rest code "7864" (menu path:(GROUP SELECTION

3 Product description3.1 ConfigurationThe scope of delivery encompasses:l VEGADIF 55 differential pressure transmitterl Version with lateral flanges of 3

Measuringprob-lemLEVEL SELEC-TION/LEVELMODESelection of themeasured valueDescription Note Measured valueindicationThe parameter isdirectly propor-tion

Measuringprob-lemLEVEL SELEC-TION/LEVELMODESelection of themeasured valueDescription Note Measured valueindicationl Two parame-ters are re-quired orl

- SETLRV (group BASIC SETUP): 0 (corresponds to 4 mAvalue)- SET URV (group BASIC SETUP): 100 (corresponds to 20 mAvalue)l The Quick Setup is suitable

POS. ZERO ADJUST: Due due the installation position of theinstrument, a shift of the measured value can be caused. Correct theMEASURED VALUE via the p

7.7 Differential pressure measurementVEGADIF 55 is used in all versions for differential pressuremeasurements.Note:The VEGADIF 55 with cell isolating di

AB+1567+–243IIIIIIIIIFig. 70: Preferredinstallation for liquidsI VEGADIF 55II Three-fold valve blockIII Precipitator1.5 Drain valves2.4 Inlet valves3

4 Setmeasurement loop to operationTherefore close valve 3: Separate plus and minus sideOpen valve 4: Connect minus sideNow:Valves 1, 3, 5, 6 and 7 are

MEASURING MODE: Selectoption "Pressure".GROUP SELECTION: Select QUICK SETUP menu.POS. ZERO ADJUST: Due due the installation position of thei

8 Maintenance and fault rectification8.1 MaintenanceWhen used in the correct way, no special maintenance is required innormal operation.Outside cleanin

8.4 Instrument repairInformation about the repair of the instrument is available in thesupplementary instructions manual "Service instructions fo

l Technical datal Article numbers documentationWith the serial number, you can access the delivery data of theinstrument via "www.vega.com",

9 Dismounting9.1 Dismounting stepsWarning:Before dismounting, be aware of dangerous process conditions suchas e.g. pressure in the vessel, high temper

10 Supplement10.1 Technical data and dimensionsYou find technical data and dimensions in the product information manual "VEGADIF 55".VEGADIF

82 VEGADIF 55 • 4 … 20 mA/HART10 Supplement31731-EN-081119

VEGADIF 55 • 4 … 20 mA/HART 8310 Supplement31731-EN-081119

VEGA Grieshaber KGAm Hohenstein 11377761 SchiltachGermanyPhone +49 7836 50-0Fax +49 7836 50-201E-mail: [email protected] date:ISO 9

12341p2pFig. 3: Metalmeasuring cell from 100 mbar1 Measuring element2 Overload diaphragm/Middle diaphragm3 Filling oil4 Separating diaphragmTwo-wire e