Vega VEGABAR 82 Operating Instructions Manual
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Vega VEGABAR 82 Operating Instructions Manual

Pressure transmitter with ceramic measuring cell
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Operating Instructions
Pressure transmitter with ceramic
measuring cell
VEGABAR 82
Slave sensor for electronic differential pres-
sure
With SIL qualification
Document ID: 48046

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Summary of Contents for Vega VEGABAR 82

  • Page 1 Operating Instructions Pressure transmitter with ceramic measuring cell VEGABAR 82 Slave sensor for electronic differential pres- sure With SIL qualification Document ID: 48046...

  • Page 2: Table Of Contents

    Safety concept of the parameterization ................33 Set up with the display and adjustment module ..............35 Parameter adjustment ....................35 Diagnosis, asset management and service ................ 49 Maintenance ........................49 VEGABAR 82 • Slave sensor 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: 2019-03-11 VEGABAR 82 • Slave sensor 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, tip, note This symbol indicates helpful additional information.

  • Page 5: For Your Safety

    During work on and with the device, the required personal protective equipment must always be worn. Appropriate use VEGABAR 82 is a slave sensor for electronic differential pressure measurement. You can find detailed information about the area of application in chapter "Product description".

  • Page 6: Eu Conformity

    This information is only valid for USA and Canada. Hence the follow- ing text is only available in the English language. Installations in the US shall comply with the relevant requirements of the National Electrical Code (ANSI/NFPA 70). VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 7: Environmental Instructions

    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 82 • Slave sensor for electronic differential pressure...

  • Page 8: 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 82 • Slave sensor for electronic differential pressure...

  • Page 9: Principle Of Operation

    Scan the Data Matrix code on the type label of the instrument or • Enter the serial number manually in the app Principle of operation Application area VEGABAR 82 is suitable for applications in virtually all industries. It is used for the measurement of the following pressure types. • Gauge pressure •...
  • Page 10 • Density • Interface • Level, density-compensated Electronic differential The VEGABAR 82 slave sensor is combined with a sensor from the pressure instrument series for electronic differential pressure measurement. Fig. 2: Example, electronic differential pressure for level measurement in pres- surized vessel VEGABAR 82 VEGABAR 82, slave sensor The sensors are connected via a screened four-wire cable. The measured value from the slave sensor is read in and factored into the calculations.
  • Page 11 The ambient pressure is not compensated and does hence influence the measured value. Seal concepts The following presentations show examples for the installation of the ceramic measuring cell into the process fitting and the different seal concepts. VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 12 The completely front-flush mounting is particularly suitable for ap- mounting with single seal plications in the paper industry. The diaphragm is in the pulp flow, is hence cleaned and protected against buildup. VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 13 The sealings are installed gap-free. The form seal of the measuring cell protects also the glass joint. Fig. 8: Hygienic installation of the measuring cell (example: hygienic fitting with compression nut) Measuring cell Form seal for the measuring cell 3 Gap-free seal for process fitting 4 Process fitting Diaphragm VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 14: Supplementary Cleaning Procedures

    Caution: The VEGABAR 82 in this version may not be used in oxygen ap- plications. For this purpose, instruments are available in the special version "Oil and grease-free for oxygen applications".

  • Page 15: Accessories And Replacement Parts

    Welded sockets and Welded sockets are used to connect the sensors to the process, adapters threaded adapters for adaptation of the sensor with threaded fitting G¾ or G1½ to existing welded sockets. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 16: Mounting

    Tightening can cause damage, e. g. to the rotation mechanism of the housing. Vibrations If there is strong vibration at the mounting location, the instrument version with external housing should be used. See chapter "External housing". VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 17: 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 82 • Slave sensor for electronic differential pressure...
  • Page 18 The process assembly of instruments with Second Line of Defense Instruments with Second Line of Defense (gastight leadthrough) is completely encapsulated. An absolute pres- sure measuring cell is used so that no ventilation is required. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 19: Combination Master - Slave

    Measurement result = Measured value of Master (total pres- sure) - measured value of Slave (static pressure) Depending on the application, individual combinations can result, see following examples: Example - large vessel Data Application: Level measurement Medium: Water VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 20: Level Measurement

    The master/slave combination is suitable for level measurement in a pressurized vessel Keep the following in mind when setting up the measuring system: • Mount the master sensor below the min. level VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 21: Differential Pressure Measurement

    Take note of the following instructions for the measurement setup, for example in gases: • Mount the instruments above the measuring point Possible condensation can then drain off into the process line. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 22: Interface Measurement

    The mounting distance h of the two sensors should be at least 10 %, better 20 %, of the final value of the sensor measuring range. A bigger distance increases the accuracy of the interface measurement. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 23: Density Measurement

    The master/slave combination is suitable for 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 82 • Slave sensor for electronic differential pressure...

  • Page 24: Density-Compensated Level Measurement

    Mount the master sensor below the min. level • Mount the slave sensor above the master sensor • Mount both sensors away from the filling stream and emptying and protected against pressure shocks from the stirrer VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 25 The density-compensated level measurement is only possible in open, i.e. unpressurized vessels. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 26: External Housing

    4 Mounting External housing Configuration Fig. 20: Configuration, process module, external housing Pipeline Process module Connection cable process assembly - External housing External housing Signal cable VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 27: Connecting To Power Supply

    In case of flexible cores without end sleeves, press the terminal from above with a small screwdriver, the terminal opening is then free. When the screwdriver is released, the terminal closes again. VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 28 9. Unscrew the blind plug on the Master, screw in the supplied cable gland 10. Connection cable to Master, see steps 3 to 8 11. Screw the housing lid back on The electrical connection is finished. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 29: Single Chamber Housing

    To the Master sensor Ground terminal for connection of the cable screening External housing with version IP 68 (25 bar) Overview Fig. 23: VEGABAR 82 in IP 68 version 25 bar with axial cable outlet, external housing Transmitter Connection cable External housing Connect shielding here.
  • Page 30 Cable gland for connection cable, transmitter Terminal compartment, housing socket 1 2 3 4 Fig. 25: Connection of the process component in the housing base Yellow White Black Shielding Breather capillaries VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 31: Connection Example

    Terminal 7 Terminal 7 Terminal 8 Terminal 8 Connect shielding here. Connect ground terminal on the outside of the hous- ing to ground as prescribed. The two terminals are galvanically connected. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 32: Functional Safety (Sil)

    SIL rating and can be also found on our homepage via the instrument search. Application area The instrument can be used, for example, for process pressure and hydrostatic level measurement of liquids in safety-instrumented sys- VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 33: Safety Concept Of The Parameterization

    FDT/DTM standard, e. g. PACTware Note: For operation of the VEGABAR 82 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 34 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 82 • Slave sensor for electronic differential pressure...

  • Page 35: 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 82 • Slave sensor for electronic differential pressure...
  • Page 36 In this menu item you activate/deactivate the slave sensor for elec- tronic differential pressure and select the application. The VEGABAR 82 in conjunction with a slave sensor can be used for flow, differential pressure, density and interface measurement. The default setting is differential pressure measurement. Switchover is carried out in the adjustment menu.
  • Page 37 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 82 • Slave sensor for electronic differential pressure...
  • Page 38 7 Set up with the display and adjustment module Setup - Adjustment VEGABAR 82 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 39 1. Select the menu item "Setup" with [->] and confirm with [OK]. Now select with [->] the menu item "Min. adjustment" and confirm with [OK]. 2. Edit the mbar value with [OK] and set the cursor to the requested position with [->]. VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 40 For an adjustment with pressure, simply enter the actual measured value indicated at the bottom of the display. Setup - span adjustment, Proceed as follows: differential pressure VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 41 Setup - Max. adjustment, Proceed as follows: density 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 82 • Slave sensor for electronic differential pressure...
  • Page 42 Setup - Max. adjustment - Proceed as follows: Interface 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 82 • Slave sensor for electronic differential pressure...
  • Page 43 For an adjustment with filling, simply enter the actual measured value indicated at the bottom of the display. Setup - Max. distance, Proceed as follows: level density-compen- 1. Select with [->] the menu item Max. adjustment and confirm with sated [OK]. VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 44 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 82 • Slave sensor for electronic differential pressure...
  • Page 45 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 82 • Slave sensor for electronic differential pressure...
  • Page 46 Otherwise the instrument remains in the released and hence unsafe condition. Information: As long as the VEGABAR 82 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 47 • Flow • Height - Interface • Density • Differential pressure • Static pressure • Percent • Scaled • Percent linearized • Measuring cell temperature (ceramic measuring cell) • Electronics temperature VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 48 Furthermore the adjustment for the volume or mass flow at 0 % or 100 % is carried out. The device automatically adds the flow in the selected unit. With appropriate adjustment and bidirectional linearization, the flow rate is counted both positively and negatively. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 49: Diagnosis, Asset Management And Service

    Overview The hygienic connection with compression nut can be disassembled and the diaphragm cleaned. The following graphic shows the structure: Fig. 29: VEGABAR 82, structure of the hygienic connection with compression Hexagon Compression nut 3 Process fitting Process module...

  • Page 50: Rectify Faults

    Checking the output signal • Treatment of measurement errors A smartphone/tablet with the VEGA Tools app or a PC/notebook with the software PACTware and the suitable DTM offer you further com- prehensive diagnostic possibilities. In many cases, the causes can be determined in this way and the faults eliminated.

  • Page 51: Exchange Process Module On Version Ip 68 (25 Bar)

    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 82 • Slave sensor for electronic differential pressure...

  • Page 52: How To Proceed If A Repair Is Necessary

    8 Diagnosis, asset management and service Fig. 30: VEGABAR 82 in IP 68 version, 25 bar and lateral cable outlet, external housing Process module Plug connector Fixing screw Cable assembly Connection cable External housing 3. Loosen the plug connector 4. Mount the new process module on the measuring point 5.

  • Page 53: Dismount

    Pass the instrument directly on to a specialised recycling company and do not use the municipal collecting points. If you have no way to dispose of the old instrument properly, please contact us concerning return and disposal. VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 54: Supplement

    Ʋ Seal between housing and housing lid Silicone SI 850 R, NBR silicone-free Ʋ Inspection window housing cover Polycarbonate (UL-746-C listed), glass Ʋ Ground terminal 316L Glass with Aluminium and stainless steel precision casting housing VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 55 Nominal measuring ranges and overload capability in bar/kPa Nominal range Overload capability Maximum pressure Minimum pressure Gauge pressure 0 … +0.025 bar/0 … +2.5 kPa +5 bar/+500 kPa -0.05 bar/-5 kPa (only for measuring cell ø 28 mm) VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 56 Nominal measuring ranges and overload capacity in psi Nominal range Overload capability Maximum pressure Minimum pressure Gauge pressure 0 … +0.4 psig (only for measuring cell ø 28 mm) +75 psig -0.7 psig VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 57 Specifications refer to the nominal measuring range, pressure values lower than -1 bar cannot be Level (min./max. adjustment) Ʋ Percentage value -10 … 110 % Ʋ Pressure value -120 … 120 % Flow (min./max. adjustment) Ʋ Percentage value 0 or 100 % fix VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 58 0 … 999 s, adjustable via menu item "Damping" Reference conditions and influencing variables (according to DIN EN 60770-1) Reference conditions according to DIN EN 61298-1 Ʋ Temperature +15 … +25 °C (+59 … +77 °F) Ʋ Relative humidity 45 … 75 % VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 59 The basic temperature error in % from the above graphic can increase due to the additional factors, depending on the measuring cell version (factor FMZ) and the Turn Down (factor FTD). The ad- ditional factors are listed in the following tables. VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 60 -20 … +130 °C (-4 … +266 °F) V70SW -10 … +150 °C (14 … +302 °F) With process fitting PVDF, process temperature max. 100 °C (212 °F). Measuring cell ø 28 mm VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 61 100 °C -40 °C (212 °F) (266 °F) (-104 °F) -40 °C (-104 °F) Fig. 33: Temperature derating VEGABAR 82, version up to +130 °C (+266 °F) Process temperature Ambient temperature 80 °C (176 °F) 50 °C (122 °F) 0 °C (32 °F)
  • Page 62 Electromechanical data - version IP 68 (25 bar) Connection cable transmitter - external housing, mechanical data Ʋ Configuration Wires, strain relief, breather capillaries, screen braiding, metal foil, mantle Ʋ Standard length 5 m (16.40 ft) VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 63 Depending on signal output and version of the master B max sensor Potential connections and electrical separating measures in the instrument Electronics Not non-floating Reference voltage 500 V AC Conductive connection Between ground terminal and metallic process fitting VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 64: Calculation Of The Total Deviation

    Instruments with approvals can have different technical specifications depending on the version. For that reason the associated approval documents of these instruments have to be carefully noted. They are part of the delivery or can be downloaded under www.vega.com, "Instrument search (serial number)" as well as in the download area.

  • Page 65: Practical Example

    Level measurement in a small vessel, 500 mm height corresponds to 0.049 bar (4.9 KPa), superim- posed pressure 0.35 bar (35 KPa), medium temperature 40 °C VEGABAR 82 Master and slave sensor each with nominal measuring range 0.4 bar (40 KPa), devia- tion < 0.1 %, process fitting G1½ (measuring cell ø 28 mm)
  • Page 66 Both sensors are included in the calculation of the total deviation of the measurig system. With 4 … 20 mA master sensors the thermal error of the analogue output is also added: = √(F + (F + (F total total-Master total-Slave VEGABAR 82 • Slave sensor for electronic differential pressure...

  • Page 67: 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 82 • Slave sensor for electronic differential pressure...
  • Page 68 9 mm/0.35 in or 18 mm/0.71 in higher) Plastic single chamber (IP 66/IP 67) Aluminium - single chamber Stainless steel single chamber (electropolished) Stainless steel single chamber (precision casting) Stainless steel single chamber (electropolished) IP 69K VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 69 8 mm (0.12") (0.32") 110 mm x 90 mm (4.33" x 3.54") Fig. 38: VEGABAR 82, IP 68 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)
  • Page 70 DI G½, inside G¼, ISO 228-1 DQ G½, inside G¼ A, ISO 228-1, PVDF DD G½, EN 837; volume-reduced LF ½ NPT, inside ¼ NPT, ASME B1.20.1 C2 M20 x 1.5 EN 837; manometer connection VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 71 DV G1½, DIN 3852-A-B, PVDF C9 1½ NPT, ASME B1.20.1 For the version with temperature range up to 150 °C/302 °F, the measure of length increases by 28 mm (1.1 in). VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 72 EZ Collar socket DN 40 PN 40, DIN 11851 NB Collar socket DN 50 PN 25, DIN 11851 E3 Collar socket DN 50 acc. to DIN, Form A, DIN 11864-1; for tube 53 x 1.5 VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 73 2.01 " 3” 150 lbs 7.5 " 0.94 " 6 " 8xø 0.75 " 5” 0.13 " 2.01 " Fig. 42: VEGABAR 82, flange connection Flange connection according to DIN 2501 Flange connection according to ASME B16.5 VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 74 AP M30 x 1.5 DIN 13; for headbox AF M44 x 1.25 DIN 13; pressure screw: Aluminium AG M44 x 1.25 DIN 13; pressure screw: 316L F9 G1, ISO 228-1 suitable for PASVE EW PMC 1" front-flush PN 6 BS DN 48 with tension flange VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 75 10 Supplement VEGABAR 82, extension fitting for headbox ø 48 mm (1.89") 115 mm (4.53") ø 48 mm (1.89") 50 mm 50 mm (1.97") (1.97") Fig. 44: VEGABAR 82, flange connection for the paper industry: CL = absolutely front-flush for headbox, BR = absolutely front-flush for headbox (flange 2-times flattened) VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 76 41 mm (1.63") 65 mm (2.56") Fig. 45: VEGABAR 82, connection acc. to IEC 61518 SJ Oval flange adapter SK Top flange For the version with temperature range up to 150 °C/302 °F, the measure of length increases by 28 mm (1.1 in).

  • Page 77: 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 78 – Level measurement 20, 24 Parameterization example 38 Peak value indicator 46 PIN 33 Position correction 37 Pressure compensation 19 – Ex d 18 – Second Line of Defense 18 – Standard 18 Repair 52 VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 79 Notes VEGABAR 82 • Slave sensor for electronic differential pressure...
  • Page 80 Subject to change without prior notice © VEGA Grieshaber KG, Schiltach/Germany 2019 VEGA Grieshaber KG Phone +49 7836 50-0 Am Hohenstein 113 Fax +49 7836 50-201 E-mail: info.de@vega.com...

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