Vega VEGABAR 86 Operating Instructions Manual
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Vega VEGABAR 86 Operating Instructions Manual

Pressure transmitter with ceramic measuring cell
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Operating Instructions
Pressure transmitter with ceramic
measuring cell
VEGABAR 86
Secondary Device for electronic differential
pressure
With SIL qualification
Document ID: 48048

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Summary of Contents for Vega VEGABAR 86

  • Page 1 Operating Instructions Pressure transmitter with ceramic measuring cell VEGABAR 86 Secondary Device for electronic differential pressure With SIL qualification Document ID: 48048...

  • Page 2: Table Of Contents

    Set up with the display and adjustment module ..............32 Parameter adjustment ....................32 Menu overview ....................... 45 Diagnosis, asset management and service ................ 48 Maintenance ........................48 Rectify faults ........................48 VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 3 Take note of the Ex specific safety instructions for Ex applications. These instructions are attached as documents to each instrument with Ex approval and are part of the operating instructions. Editing status: 2022-04-20 VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 4: About This Document

    Symbols used Document ID This symbol on the front page of this instruction refers to the Docu- ment ID. By entering the Document ID on www.vega.com you will reach the document download. Information, note, tip: This symbol indicates helpful additional infor- mation and tips for successful work.

  • Page 5: For Your Safety

    During work on and with the device, the required personal protective equipment must always be worn. Appropriate use As Secondary Device, the VEGABAR 86 is part of an electronic dif- ferential pressure meaasurement. You can find detailed information about the area of application in chapter "...

  • Page 6: Sil Qualification According To Iec 61508

    The environment management system is certified according to DIN EN ISO 14001. Please help us fulfil this obligation by observing the environmental instructions in this manual: • Chapter " Packaging, transport and storage" • Chapter " Disposal" VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 7: Product Description

    On the type plate of the electronics module • In the adjustment menu under " Info" Type label The type label contains the most important data for identification and use of the instrument: VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 8: Principle Of Operation

    Alternatively, you can access the data via your smartphone: • Download the VEGA Tools app from the " Apple App Store" or the " Google Play Store" • Scan the DataMatrix code on the type label of the instrument or •...
  • Page 9 You can find further information in chapter " Combination Primary - Secondary " of this operating instructions. Electronic differential The VEGABAR 86 Secondary Device is combined with a suitable pressure sensor from the same device series to an electronic differential pres- sure measurement.
  • Page 10 A temperature sensor in the ceramic diaphragm of the CERTEC ® perature on the ceramic base of the Mini-CERTEC measuring cell detects the ® actual process temperature. The temperature value is output via: • The display and adjustment module VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 11: Packaging, Transport And Storage

    Transport inspection The delivery must be checked for completeness and possible transit damage immediately at receipt. Ascertained transit damage or con- cealed defects must be appropriately dealt with. VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 12: Accessories

    Welded sockets are used to connect the devices to the process. and hygienic adapter Threaded and hygienic adapters enable simple adaptation of devices with standard threaded fittings to process-side hygiene connections. VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 13: Mounting

    Avoid damages on the device by lateral forces, for example by vibra- Vibrations tions. It is thus recommended to fix the devices with process fitting VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 14 Fig. 5: Temperature ranges Process temperature Ambient temperature Transport and mounting Depending on the transmitter, the VEGABAR 86 is supplied with a protection protective cap or a transport and mounting protection. VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 15: Ventilation And Pressure Compensation

    Do not use a high-pressure cleaner. The filter element could be dam- aged, which would allow moisture into the housing. The following paragraphs describe how the filter element is arranged in the different instrument versions. VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 16 (gastight leadthrough) is completely encapsulated. An absolute pres- sure measuring cell is used so that no ventilation is required. Fig. 8: Position of the filter element - gastight leadthrough Filter element Filter element - Position IP69K version Fig. 9: Position of the filter element - IP69K version Filter element VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 17: Combination Primary - Secondary

    Turn Down: 0.4 bar /0.025 bar = 16 : 1 Output measured values The measuring result (level, pressure difference) as well as measured value Secondary (static or superimposed pressure) are output by the VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 18: Differential Pressure Measurement

    Requirements for a functioning measurement are: • Vessel with changing level • Products with steady densities • Interface always between the measurement points • Total level always above the upper measurement point VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 19: Density Measurement

    Requirements for a functioning measurement are: • Vessel with changing level • Distance between the measurement points as large as possible • Level always above the upper measuring point VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 20: Density-Compensated Level Measurement

    Mount the Primary Device below the min. level • Mount the Secondary Device above the Primary Devices • Mount both sensors away from the filling stream and emptying and protected against pressure shocks from the stirrer VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 21 1 kg/dm . As soon as both sensors are covered, this value will be replaced by the calculated distance. The density-compensated level measurement is only possible in open, i.e. unpressurized vessels. VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 22: External Housing

    4 Mounting External housing Configuration Fig. 14: Arrangement measurement loop, external housing Sensor Connection cable sensor, external housing External housing Signal cable VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 23: Connecting To Power Supply

    On plastic housings, the NPT cable gland or the Conduit steel tube must be screwed into the threaded insert without grease. Max. torque for all housings, see chapter " Technical data". VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 24: Connecting

    6. Check the hold of the wires in the terminals by lightly pulling on them 7. Connect the shielding to the internal ground terminal, connect the external ground terminal to potential equalisation VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 25: Single Chamber Housing

    Ground terminal for connection of the cable screening 1) Connect shielding here. Connect ground terminal on the outside of the hous- ing to ground as prescribed. The two terminals are galvanically connected. VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 26: External Housing With Version Ip68 (25 Bar)

    5 Connecting to power supply External housing with version IP68 (25 bar) Overview Fig. 17: VEGABAR 86 in IP68 version 25 bar, non-Ex and axial cable outlet, external housing Electronics and connec- tion compartment for power supply 4...20mA 6 7 8 Fig.
  • Page 27 Ground terminal for connection of the cable screening 2) Connect shielding here. Connect ground terminal on the outside of the hous- ing to ground as prescribed. The two terminals are galvanically connected. VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 28: Connection Example

    The connection between Primary and Secondary Device is carried out acc. to the table: Primary Device Secondary Device Terminal 5 Terminal 5 Terminal 6 Terminal 6 Terminal 7 Terminal 7 Terminal 8 Terminal 8 VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 29: Functional Safety (Sil)

    SIL rating and can be also found on our homepage via the search. Application area The instrument can be used, for example, for process pressure and hydrostatic level measurement of liquids in safety-instrumented sys- VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 30: Safety Concept Of The Parameterization

    The DTM suitable for the device in conjunction with an adjustment software according to the FDT/DTM standard, e. g. PACTware Note: For operation of the VEGABAR 86 an actual DTM Collection is re- quired. The modification of safety-relevant parameters is only possible with active connection to the instrument (online mode).
  • Page 31 Warning: Instrument reset In case of a reset to basic settings, all safety-relevant parameters will also be reset to default. Therefore all safety-relevant parameters must be checked or readjusted. VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 32: Set Up With The Display And Adjustment Module

    Unlock adjustment • Change parameters • Lock adjustment and verify modified parameters This ensures that all modified parameters have been deliberately changed. Unlock adjustment The instrument is shipped in locked condition. VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 33 In this menu item you activate/deactivate the Secondary Device for electronic differential pressure and select the application. The VEGABAR 86 in conjunction with a Secondary Device can be used for flow, differential pressure, density and interface measure- ment. The default setting is differential pressure measurement.
  • Page 34 After the position correction is carried out, the actual measured value is corrected to 0. The corrective value appears with an inverse sign as offset value in the display. The position correction can be repeated any number of times. VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 35 7 Set up with the display and adjustment module Parameterization example VEGABAR 86 always measures pressure independently of the pro- cess variable selected in the menu item " Application". To output the selected process variable correctly, an allocation of the output signal to 0 % and 100 % must be carried out (adjustment).
  • Page 36 2. Edit the mbar value with [OK] and set the cursor to the requested position with [->]. 3. Set the requested mbar value with [+] and store with [OK]. 4. Change with [ESC] and [->] to the span adjustment VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 37 For an adjustment with pressure, simply enter the actual measured value indicated at the bottom of the display. Span adjustment differ- Proceed as follows: ential pressure 1. Select with [->] the menu item Span adjustment and confirm with [OK]. VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 38 Max. adjustment density Proceed as follows: 1. Select the menu item " Setup" with [->] and confirm with [OK]. Now select with [->] the menu item " Max. adjustment" and con- firm with [OK]. VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 39 Max. adjustment interface Proceed as follows: 1. Select the menu item " Setup" with [->] and confirm with [OK]. Now select with [->] the menu item " Max. adjustment" and con- firm with [OK]. VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 40 For an adjustment with filling, simply enter the actual measured value indicated at the bottom of the display. Max. adjustment level Proceed as follows: density-compensated 1. Select with [->] the menu item Max. adjustment and confirm with [OK]. VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 41 3) The device assumes an approximately constant temperature and static pressure and calculates the flow rate from the measured differential pressure using the characteristic curve extracted by root. VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 42 German and in the case of all other menu languages, in English. 3. Serial number acknowledgement Afterwards you confirm that the serial number of your instrument was carried over correctly. This is used to check device communication. VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 43 Otherwise the instrument remains in the released and hence unsafe condition. Information: As long as the VEGABAR 86 is powered, the display and adjustment module remains in the actually set adjustment menu. An automatic, time-controlled reset to the measured value indication is not carried out.
  • Page 44 The following selection is possible depending on the selected ap- plication: • Flow • Height - Interface • Density • Differential pressure • Static pressure VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 45: Menu Overview

    Pa, psi … user-defined) range ≤ 400 mbar) bar (with nominal measuring ranges ≥ 1 bar) Static pressure Position correc- 0.00 bar tion (SIL) 4) Parameter active, when Secondary Device is connected VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 46 Peak indicator Pressure Current pressure measured value Peak indicator Temperature Actual measuring cell and elec- temp. tronic temperature Simulation Additional adjustments Menu item Parameter Default setting 0000 Date/Time Actual date/Actual time VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 47 0.00 % correspond to 0.00 m 100.00 %, 1 m Info Menu item Parameter Device name VEGABAR 86 Instrument version Hardware and software version Factory calibration date Date Sensor characteristics Order-specific characteristics VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 48: Diagnosis, Asset Management And Service

    24 hour service hotline Should these measures not be successful, please call in urgent cases the VEGA service hotline under the phone no. +49 1805 858550. The hotline is also available outside normal working hours, seven days a week around the clock.

  • Page 49: Exchanging The Electronics Module

    Proceed as follows when carrying out the exchange: 1. Losen the fixing screw with the hexagon key wrench 2. Carefully detach the cable assembly from the process module VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 50: How To Proceed If A Repair Is Necessary

    8 Diagnosis, asset management and service Fig. 23: VEGABAR 86 in IP68 version, 25 bar and lateral cable outlet, external housing Process module Plug connector Cable assembly Connection cable External housing 3. Loosen the plug connector 4. Mount the new process module on the measuring point 5.

  • Page 51: Dismount

    If personal data is stored on the old device to be disposed of, delete it before disposal. If you have no way to dispose of the old instrument properly, please contact us concerning return and disposal. VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 52: Supplement

    Ʋ Stainless steel housing 316L Ʋ Cable gland PA, stainless steel, brass Ʋ Sealing, cable gland Ʋ Blind plug, cable gland Ʋ Seal between housing and housing lid Silicone SI 850 R, NBR silicone-free VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 53 The specifications on the nameplate apply. 6) Data on overload capability apply for reference temperature. VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 54 0 … 30 psi 360 psig 0 psi 0 … 150 psi 360 psig 0 psi 0 … 300 psi 360 psig 0 psi 0 … 900 psig 360 psig 0 psi VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 55 : rise time; t : jump response time Process variable Output signal Dead time ≤ 50 ms Rise time ≤ 150 ms Step response time ≤ 200 ms (ti: 0 s, 10 … 90 %) VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 56 The thermal change of the zero signal and output span corresponds to the value F in chapter " Calculation of the total deviation (according to DIN 16086)". Ceramic measuring cell - Standard Fig. 25: Basic temperature error F at TD 1 : 1 TBasis VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 57 -20 … +80 °C (-4 … +176 °F) EPDM (A+P 70.10-02) Suspension cable FEP FKM (VP2/A) -20 … +100 °C (-4 … +212 °F) EPDM (A+P 70.10-02) FFKM (Kalrez 6375) -10 … +100 °C (+14 … +212 °F) VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 58 M20 x 1.5; ½ NPT Ʋ Closing cap ½ NPT 7) Depending on the instrument version 8) 2 g with housing version stainless steel double chamber 9) IP66/IP68 (0.2 bar), only with absolute pressure. VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 59 Ʋ Wire resistance < 0.05 Ω/m (0.015 Ω/ft) Voltage supply for the complete system through Primary Device Operating voltage Ʋ U 12 V DC B min 10) Breather capillaries not with Ex-d version. VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 60: Calculation Of The Total Deviation

    (temperature error) as well as the deviation F = √((F + (F perf 11) Protection rating IP66/IP68 (0.2 bar) only in conjunction with absolute pressure, as no air compensation is possible when the sensor is completely flooded VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 61: Practical Example

    Measurement of the level difference in two water reservoirs, 1,600 mm height corresponds to 0.157 bar (157 kPa), medium temperature 50 °C VEGABAR 86 with measuring range 0.4 bar, deviation < 0.1 %, meas. cell ø 28 mm 1. Calculation of the Turn down TD = 0.4 bar/0.157 bar, TD = 2.6 : 1...
  • Page 62 Tab. 20: Determination of the long-term stability from the table, consideration for one year: F = 0.05 % x TD = stab 0.05 % x 2.6 = 0.13 % 4. Calculation of the total deviation - digital signal - 1. step: Basic accuracy F perf = √((F + (F perf VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 63: Dimensions

    The thermal change of the current output is in this example is negligible. 10.4 Dimensions The following dimensional drawings represent only an extract of the possible versions. Detailed dimensional drawings can be downloaded at www.vega.com under " Downloads" and " Drawings". VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 64 ø 79 mm ø 80 mm (3.11") (3.15") M20x1,5/ M20x1,5/ ½ NPT ½ NPT Fig. 28: Housing versions in protection rating IP66/IP67 and IP66/IP68 (0.2 bar), (with integrated display and adjustment module the housing is 9 mm/0.35 in or 18 mm/0.71 in higher) Plastic single chamber (IP66/IP67) Aluminium - single chamber Stainless steel single chamber (electropolished) Stainless steel single chamber (precision casting) Stainless steel single chamber (electropolished) IP69K VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 65 (3.54") 70 mm (2.76") 8 mm (0.12") (0.32") 110 mm x 90 mm (4.33" x 3.54") Fig. 29: VEGABAR 86, IP68 version with external housing Lateral cable outlet Axial cable outlet Plastic single chamber Stainless steel single chamber Seal 2 mm (0.079 in), (only with 3A approval) VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 66 G1½ / 1½ NPT 1½ NPT ø 8 mm ø 29 mm (0.32") (1.14") ø 32 mm (1.26") Fig. 30: VEGABAR 86, sensor 32 mm Straining clamp Adjustable suspension cable gland G1½, 1½ NPT Thread G1½, 1½ NPT Cable outlet with thread G1½, 1½ NPT Total length from configurator VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 67 G1½ / 1½ NPT G1 / 1NPT ø 8 mm (0.32") ø 22 mm (0.87") Fig. 31: VEGABAR 86, sensor 22 mm Straining clamp Adjustable suspension cable gland G1½, 1½ NPT Thread G1, 1 NPT Cable outlet with thread G1½, 1½ NPT Total length from configurator VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 68 SW 46 mm 1½ NPT (1.81") G1½ / 1½ NPT G1½ / 1½ NPT ø 44 mm ø 37 mm (1.73") (1.46") Fig. 32: VEGABAR 86, plastic version PVDF, with threaded fitting G1½, 1½ NPT PVDF, with thread G1½, 1½ NPT PE coated, with thread G1½, 1½ NPT Total length from configurator VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 69 6 " 4xø0.63 " 6 " 0.12 " 0.12 " 4" 10" 1 .25" 7.87 " 8xø0.63 " 6.19 " Fig. 33: VEGABAR 86, flange connection (example: sensor 32 mm) Flanges according to DIN 2501 Flanges according to ASME B16.5 Total length from configurator VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 70 10 Supplement VEGABAR 86, hygienic fitting ø 78 mm (3.07") ø 64 mm (2.52") ø 92 mm (3.62") ø 8 mm (0.32") ø 32 mm (1.26") Fig. 34: VEGABAR 86, hygienic fittings Clamp 2" PN 16 (ø 64 mm) DIN 32676, ISO 2852 Slotted nut DN 50 Total length from configurator VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 71 ø 40 mm (1.58") (1.58") SW 27 mm SW 41 mm (1.06") (1.61") G½ ø 22 mm G¼ (0.87 ") Fig. 35: VEGABAR 86, threaded version Thread G½ internal G¼ Thread ½ NPT, hole ø 11 mm Thread G1 Total length from configurator VEGABAR 86 • Secondary Device for electronic differential pressure...

  • Page 72: Industrial Property Rights

    Les lignes de produits VEGA sont globalement protégées par des droits de propriété intellec- tuelle. Pour plus d'informations, on pourra se référer au site www.vega.com. VEGA lineas de productos están protegidas por los derechos en el campo de la propiedad indus- trial. Para mayor información revise la pagina web www.vega.com.
  • Page 73 – Level difference measurement 18 – Level measurement 20 Peak indicator 44 PIN 30 Position correction 34 Pressure compensation 16 – Second Line of Defense 16 – Standard 16 Repair 50 Safety Integrity Level (SIL) VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 74 Notes VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 75 Notes VEGABAR 86 • Secondary Device for electronic differential pressure...
  • Page 76 Subject to change without prior notice © VEGA Grieshaber KG, Schiltach/Germany 2022 VEGA Grieshaber KG Am Hohenstein 113 Phone +49 7836 50-0 77761 Schiltach E-mail: info.de@vega.com...

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