Vega VEGABAR 83 Operating Instructions Manual

Pressure transmitter with metallic measuring cell
Hide thumbs Also See for VEGABAR 83:
Table of Contents

Advertisement

Quick Links

Operating Instructions
Pressure transmitter with metallic
measuring cell
VEGABAR 83
Modbus and Levelmaster protocol
Document ID: 46295

Advertisement

Table of Contents
loading

Summary of Contents for Vega VEGABAR 83

  • Page 1 Operating Instructions Pressure transmitter with metallic measuring cell VEGABAR 83 Modbus and Levelmaster protocol Document ID: 46295...
  • Page 2: Table Of Contents

    Save parameter adjustment data..................42 Setting up sensor and Modbus interface with PACTware ..........43 Connect the PC ......................43 Parameterization ......................44 Set instrument address ....................45 Save parameter adjustment data..................46 VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 3 10.10 Industrial property rights ....................90 10.11 Trademark ........................90 Safety instructions for Ex areas: 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 83 • Modbus and Levelmaster protocol...
  • 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 The VEGABAR 83 is a pressure transmitter for process pressure and hydrostatic level measurement. You can find detailed information about the area of application in chapter " Product description". Operational reliability is ensured only if the instrument is properly used according to the specifications in the operating instructions manual as well as possible supplementary instructions.
  • Page 6: Namur Recommendations

    • Chapter " Packaging, transport and storage" • Chapter " Disposal" Exception: Versions with measuring ranges from 250 bar. These are subject of the EU Pressure Device Directive. Not fulfilled when connecting to an external display and adjustment unit. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 7: Product Description

    Fig. 1: Layout of the type label (example) Product code Field for approvals Technical data Serial number of the instrument QR code Symbol of the device protection class ID numbers, instrument documentation VEGABAR 83 • Modbus and Levelmaster protocol...
  • 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 QR-code on the type label of the device or •...
  • Page 9 3 Product description • Level Fig. 3: Process pressure measurement VEGABAR 83 Measuring system pres- The process pressure acts on the sensor element via the process dia- sure phragm. The process pressure causes a resistance change which is converted into a corresponding output signal and output as measured value.
  • Page 10 CERTEC measuring cell and a special, ® temperature-compensated chemical seal system. Fig. 6: Configuration of the METEC measuring cell ® Process diaphragm Isolating liquid FeNi adapter CERTEC measuring cell ® VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 11: Supplementary Cleaning Procedures

    " Technical data", " Materials and weights". Supplementary cleaning procedures The VEGABAR 83 is also available in the version " Oil, grease and silicone-free". These instruments have passed through a special cleaning procedure to remove oil, grease and paint-wetting impair- ment substances (PWIS).
  • Page 12: Accessories

    USB interface of a PC. Secondary sensors Secondary sensors of VEGABAR series 80 enable in conjunction with VEGABAR 83 an electronic differential pressure measurement. VEGADIS 81 The VEGADIS 81 is an external display and adjustment unit for VEGA plics sensors. ® VEGADIS adapter The VEGADIS adapter is an accessory part for sensors with double chamber housings.
  • Page 13 DIN 2501, EN 1092-1, BS 10, ASME B 16.5, JIS B 2210-1984, GOST 12821-80. Welded socket, threaded 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 83 • Modbus and Levelmaster protocol...
  • Page 14: Mounting

    Depending on the device version, tightening can cause dam- age, e. g. to the rotation mechanism of the housing. 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 83 • Modbus and Levelmaster protocol...
  • Page 15: Instructions For Oxygen Applications

    Process temperature Ambient temperature Instructions for oxygen applications Oxygen applications Oxygen and other gases can be explosive when brought into contact with oils, grease and plastics, so the following measures must also be taken: VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 16: Ventilation And Pressure Compensation

    The following paragraphs describe how the filter element is arranged in the different instrument versions. Filter element - Position Fig. 8: Position of the filter element Plastic double chamber housing Aluminium, stainless steel (precision casting) double chamber Filter element VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 17: Process Pressure Measurement

    Measurement setup in Keep the following in mind when setting up the measuring system: vapours • Connect via a siphon • Do not insulate the siphon • Fill the siphon with water before setup VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 18 Mount the instrument below the measuring point The effective pressure line is always filled with liquid and gas bubbles can bubble up to the process line. Fig. 11: Measurement setup for the process pressure measurement of liquids in pipelines VEGABAR 83 Blocking valve Pipeline VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 19: Level Measurement

    Fig. 12: Measurement setup for the level measurement External housing Configuration Fig. 13: Configuration, process module, external housing Pipeline Process module Connection cable process assembly - External housing External housing Signal cable VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 20: Connecting To Power Supply And Bus System

    (low impedance). Cable glands Metric threads: In the case of instrument housings with metric thread, the cable glands are screwed in at the factory. They are sealed with plastic plugs as transport protection. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 21: Connecting

    3. Remove approx. 10 cm (4 in) of the cable mantle (signal output), strip approx. 1 cm (0.4 in) insulation from the ends of the indi- vidual wires 4. Insert the cable into the sensor through the cable entry VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 22 The terminal blocks are pluggable and can be removed from the housing insert. To do this, lift the terminal block with a small screwdriv- er and pull it out. When inserting the terminal block again, you should hear it snap in. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 23: Wiring Plan

    For display and adjustment module or interface adapter Connection compartment MODBUS power supply off on Fig. 17: Connection compartment USB interface Slide switch for integrated termination resistor (120 Ω) Modbus signal Voltage supply Terminal Function Polarity Voltage supply VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 24: External Housing With Version Ip68 (25 Bar)

    Function ground when installing ac- cording to CSA (Canadian Standards Association) External housing with version IP68 (25 bar) Overview Fig. 18: VEGABAR 83 in IP68 version 25 bar with axial cable outlet, external housing Electronics and connec- tion compartment for power supply 4...20mA...
  • Page 25 Fig. 21: Connection compartment USB interface Slide switch for integrated termination resistor (120 Ω) Modbus signal Voltage supply Terminal Function Polarity Voltage supply Voltage supply Modbus signal D0 Modbus signal D1 VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 26: Switch-On Phase

    Indication of a status message on the display or PC Then the actual measured value is output to the signal cable. The value takes into account settings that have already been carried out, e.g. default setting. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 27: Set Up The Sensor With The Display And Adjustment Module

    The display and adjustment module is powered by the sensor, an ad- ditional connection is not necessary. Fig. 22: Insertion of the display and adjustment module Note: If you intend to retrofit the instrument with a display and adjustment module for continuous measured value indication, a higher lid with an inspection glass is required. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 28: Adjustment System

    The pen oper- ates the four keys of the display and adjustment module right through the closed lid (with inspection window) of the sensor housing. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 29: Measured Value Indication

    With the " OK" key you move (during the initial setup of the instru- ment) to the selection menu " Language". Selection language In this menu item, you can select the national language for further parameterization. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 30: Parameter Adjustment - Quick Setup

    For technically demanding measuring points, you can carry out extended settings in " Extended adjustment". Main menu The main menu is divided into five sections with the following func- tions: Setup: Settings e. g. for measurement loop name, application, units, position correction, adjustment, signal output, disable/enable opera- tion Display: Settings, e.g., for language, measured value display, lighting VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 31 Application In this menu item you activate/deactivate the Secondary Device for electronic differential pressure and select the application. VEGABAR 83 can be used for process pressure and level measure- ment. The setting in the delivery status is process pressure measure- ment. The mode can be changed in this adjustment menu. If you have connected no Secondary Device, you confirm this with "...
  • Page 32 20 % of the nominal measuring range, then no position correction is possible. VEGABAR 83 always measures pressure independently of the pro- Adjustment cess variable selected in the menu item " Application". To output the...
  • Page 33 1. Select the menu item " Setup" with [->] and confirm with [OK]. Now select with [->] the menu item " Zero adjustment" and con- firm with [OK]. 2. Edit the mbar value with [OK] and set the cursor to the requested position with [->]. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 34 [ESC] or the displayed limit value can be accepted with [OK]. The span adjustment is finished. Min. adjustment - Level Proceed as follows: 1. Select the menu item " Setup" with [->] and confirm with [OK]. Now select with [->] the menu item " Adjustment", then " Min. adjustment" and confirm with [OK]. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 35 Corresponding linearization curves are preprogrammed for these vessels. They represent the correlation between the level per- centage and vessel volume. The linearization applies to the measured value indication and the current output. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 36 Select menu items and show data • Read data from the sensor into the display and adjustment module The device assumes an approximately constant temperature and static pressure and converts the differential pressure into the flow rate via the characteristic curve extracted by root. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 37 Polish • Czech • Turkish In delivery status, the VEGABAR 83 is set to English. Display value 1 and 2 In this menu item, you define which measured value is displayed. The setting in the delivery status for the display value is " Lin. per- cent". Display format 1 and 2 In this menu item you define the number of decimal positions with which the measured value is displayed.
  • Page 38 In another window you can carry out a reset of the two peak values separately. Simulation In this menu item you simulate measured values. Hence, the signal path can be tested via the bus system to the input card of the control system. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 39 Write into sensor: Store data from the display and adjustment module back into the sensor The following data or settings for adjustment of the display and ad- justment module are saved: • All data of the menu " Setup" and " Display" VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 40 In this menu item, the date of factory calibration of the sensor as well as the date of the last change of sensor parameters are displayed via the display and adjustment module or via the PC. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 41: Menu Overview

    Displayed value 1 Current output in % Displayed value 2 Ceramic measuring cell: Measuring cell temperature in °C Metallic measuring cell: Electronics temperature in °C Display format Number of positions after the decimal point, automatically VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 42: Save Parameter Adjustment Data

    In the display and adjust- If the instrument is equipped with a display and adjustment module, ment module the parameter adjustment data can be saved therein. The procedure is described in menu item " Copy device settings". VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 43: Setting Up Sensor And Modbus Interface With Pactware

    Fig. 27: Connecting the PC via USB to the Modbus electronics USB cable to the PC To the RS 485 cable Connection of the PC to the RS 485 cable is carried out via a stand- ard interface adapter RS 485/USB. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 44: Parameterization

    Further setup steps are described in the operating instructions manu- al " DTM Collection/PACTware" attached to each DTM Collection and which can also be downloaded from the Internet. Detailed descrip- tions are available in the online help of PACTware and the DTMs. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 45: Set Instrument Address

    " Software". The full version is avail- able on CD from the agency serving you. Set instrument address The VEGABAR 83 requires an address for participating as a sensor in the Modbus communication. The addess setting is carried out via a PC with PACTware/DTM or Modbus RTU.
  • Page 46: Save Parameter Adjustment Data

    The procedure depends on the respective Modbus-RTU and the configuration tool. Save parameter adjustment data We recommend documenting or saving the parameterisation data via PACTware. That way the data are available for multiple use or service purposes. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 47: Diagnosis, Asset Management And Service

    The requested values and recording conditions are set via a PC with PACTware/DTM or the control system with EDD. Data are thus read out and also reset. Event memory Up to 500 events are automatically stored with a time stamp in the sensor (non-deletable). Each entry contains date/time, event type, event description and value. Event types are for example: VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 48: Asset Management Function

    The instrument is being worked on, the measured value is temporarily invalid (for example during simulation). This status message is inactive by default. Out of specification: The measured value is unreliable because an instrument specification was exceeded (e.g. electronics temperature). This status message is inactive by default. Maintenance required: Due to external influences, the instrument function is limited. The measurement is affected, but the measured value is still valid. Plan in VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 49 Installation/Setup error Modify connected sensor configuration pressure) for selected application or application Invalid sensor configuration (e.g.: ap- plication electronic differential pressure with connected differential pressure measuring cell) F265 Sensor no longer carries out a meas- Carry out a reset urement Measurement function dis- Disconnect operating voltage briefly turbed VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 50: Rectify Faults

    Error in the instrument Error when carrying out a reset settings Rectify faults The operator of the system is responsible for taking suitable meas- Reaction when malfunc- tion occurs ures to rectify faults. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 51: Exchange Process Module On Version Ip68 (25 Bar)

    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 52: Exchanging The Electronics Module

    8 Diagnosis, asset management and service Fig. 31: VEGABAR 83 in IP68 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: How To Proceed If A Repair Is Necessary

    • Attach the completed form and, if need be, also a safety data sheet outside on the packaging • Ask the agency serving you to get the address for the return ship- ment. You can find the agency on our homepage. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 54: 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 83 • Modbus and Levelmaster protocol...
  • Page 55: Supplement

    Isolating liquid with measuring ranges up to 40 bar. With measuring ranges from 100 bar dry measuring cell. Halocarbon oil: Generally in oxygen applications, not with vacuum measuring ranges, not with absolute meas- uring ranges < 1 bar VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 56 Ʋ 9/16 NPT for tube 3/8" 50 Nm (36.88 lbf ft) Glass with Aluminium and stainless steel precision casting housing Only for 316L with 3A approval Between transmitter and external electronics housing. Fix connected to the sensor. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 57 0 … 1 bar/0 … 100 kPa 3 bar/300 kPa 0 bar abs. 0 … 2.5 bar/0 … 250 kPa 7.5 bar/750 kPa 0 bar abs. 0 … 10 bar/0 … 1000 kPa 30 bar/3000 kPa 0 bar abs. 0 … 25 bar/0 … 2500 kPa 75 bar/+7500 kPa 0 bar abs. 0 … 40 bar/0 … 4000 kPa 120 bar/+12 MPa 0 bar abs. Data on overload capability apply for reference temperature. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 58 Nominal measuring ranges and overload capability in bar/kPa Nominal range Overload capability Maximum pressure Minimum pressure Gauge pressure 0 … +0.1 bar/0 … +10 kPa +15 bar/+1500 kPa -1 bar/-100 kPa 0 … +0.4 bar/0 … +40 kPa +30 bar/+3000 kPa -1 bar/-100 kPa Data on overload capability apply for reference temperature. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 59 -14.5 psig -14.5 … +75 psig +975 psig -14.51 psig -14.5 … +150 psig +725 psig -14.5 psig -14.5 … +300 psig +725 psig -14.5 psig -0.7 … +0.7 psig +225 psi -14.5 psig VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 60 Ʋ Bus specifications Modbus Application Protocol V1.1b3, Modbus over se- rial line V1.02 Ʋ Data protocols Modbus RTU, Modbus ASCII, Levelmaster Max. transmission rate 57.6 Kbit/s Dynamic behaviour output Dynamic characteristics depending on medium and temperature VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 61 Influence of the installation position Ʋ Piezoresistive/strain gauge measur- depending on the process fitting and the chemical seal ing cell Ʋ Ceramic/metallic measuring cell < 5 mbar/0.5 kPa (0.07 psig) Deviation in the current output due to < ±150 µA strong, high-frequency electromagnetic fields acc. to EN 61326-1 Deviation (according to IEC 60770-1) Specifications refer to the set span. Turn down (TD) is the ratio: nominal measuring range/set span. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 62 Additional factor through accuracy class Accuracy class 0.075 %, 0.1 % 0.2 % Factor FMZ Additional factor through Turn Down The additional factor FTD through Turn down is calculated according to the following formula: VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 63 In the table, example values for typical Turn downs are listed. Turn Down TD 1 : 1 TD 2.5 : 1 TD 5 : 1 TD 10 : 1 TD 20 : 1 Factor FTD 1.75 10.5 VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 64 -20 … +105 °C -20 … +150 °C -20 … +85 °C (-4 … +302 °F) EPDM (A+P (-4 … +221 °F) (-4 … +302 °F) (-4 … +185 °F) 70.10-02) With ceramic/metallic measuring cell with gold-coated diaphragm, the values must be multiplied with factor 3. Process fittings acc. to DIN 3852-A, EN 837 VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 65 (104 °F) 0 °C (32 °F) 85 °C 105 °C (185 °F) (221 °F) Fig. 35: Temperature derating VEGABAR 83, version up to +105 °C (+221 °F) Process temperature Ambient temperature 80 °C (176 °F) 40 °C (104 °F) 0 °C (32 °F)
  • Page 66 60 °C (140 °F) 0 °C (32 °F) 110 °C 150 °C (230 °F) (302 °F) Fig. 37: Temperature derating VEGABAR 83, version up to +150 °C (+302 °F) Process temperature Ambient temperature VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 67 (149 °F) 0 °C (32 °F) 150 °C 180 °C (302 °F) (356 °F) Fig. 38: Temperature derating VEGABAR 83, version up to +180 °C (+356 °F) Process temperature Ambient temperature 80 °C (176 °F) 65 °C (149 °F) 0 °C (32 °F)
  • Page 68 – ● Interface to the Secondary sensor Data transmission Digital (I²C-Bus) Configuration, connection cable 4-wire, shielded Max. cable length 25 m Integrated clock Date format Day.Month.Year Time format 12 h/24 h Breather capillaries not with Ex-d version. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 69: Device Communication Modbus

    Ʋ with connected overvoltage protection up to 5000 m (16404 ft) Pollution degree Protection rating (IEC 61010-1) 10.2 Device communication Modbus In the following, the necessary device-specific details are shown. You can find further information of Modbus on www.modbus.org. Galvanic separation between electronics and metal housing parts When used with fulfilled housing protection. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 70: Modbus Register

    (4 bytes) according to IEEE 754 are transmitted with individually selectable order of the data bytes (byte transmission order). This " Byte transmission order" is determined in the parameter " Format Code". Hence the RTU knows the registers of the VEGABAR 83 which must be contacted for the variables and status information.
  • Page 71 Primary Variable in Byte Order ABCD (Big Endian) 2004 DWord Secondary Variable in Byte Order ABCD (Big Endian) 2006 DWord Third Variable in Byte Order ABCD (Big Endian) 2008 DWord Quarternary Variable in Byte Order ABCD (Big Endian) VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 72 Quarternary Variable in Byte Order BACD (Middle Endian) Unit Codes for Register 104, 108, 112, 116 Unit Code Measurement Unit in H2O in Hg ft H2O mm H2O mm Hg mbar torr °C °F US liq. gal. Imp. Gal. VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 73: Modbus Rtu Commands

    Function Code 1 Byte 0x06 Start Address 2 Bytes 0x0000 to 0xFFFF Number of Registers 2 Bytes Data Response: Function Code 1 Byte 0x04 Start Address 2 Bytes Register Value 2 Bytes Data VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 74 With this function code, the sensor ID on Modbus is queried. Parameter Length Code/Data Request: Function Code 1 Byte 0x11 Response: Function Code 1 Byte 0x11 Byte Number 1 Byte Sensor ID 1 Byte Run Indicator Status 1 Byte VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 75: Levelmaster Commands

    List of Object value 1 Byte Depending on the Object ID 10.5 Levelmaster commands The VEGABAR 83 is also suitable for connection to the following RTUs with Levelmaster protocol. The Levelmaster protocol is often called " Siemens" " Tank protocol". Protocol ABB Totalflow...
  • Page 76 Report Level (and Temperature) 6 characters ASCII UuuNnn Assign Unit Number Parameter Length Code/Data Request: Assign Unit Number 6 characters ASCII UuuNnn Response: Assign Unit Number 6 characters ASCII UuuNOK uu = new Address VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 77 Length Code/Data Request: Report Receive to Transmit 4 characters ASCII UuuR Delay Response: Report Receive to Transmit 7 characters ASCII UuuRmmm Delay mmm = milliseconds (50 up to 250), default = 127 ms VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 78: Configuration Of Typical Modbus Hosts

    LV-Error Value out of limits 10.6 Configuration of typical Modbus hosts Fisher ROC 809 (Rx/Tx -) (Rx/Tx +) Fig. 40: Connection of VEGABAR 83 to RTU Fisher ROC 809 VEGABAR 83 RTU Fisher ROC 809 Voltage supply Parameters for Modbus Hosts Parameter Value Fisher...
  • Page 79: Calculation Of The Total Deviation

    10.8 Calculation of the total deviation - Practical example Data Pressure measurement in the pipeline 4 bar (400 KPa), product temperature 40 °C VEGABAR 83 with measuring range 10 bar, deviation < 0.1 %, process fitting G1 (piezoresistive measuring cell) The required values for the temperature error F...
  • Page 80 = 0.1 % Version Measuring ranges > 1 bar < 0.1 % x TD/year Measuring ranges > 1 bar, isolating liquid, synthetic oil, < 0.15 % x TD/year diaphragm Elgiloy (2.4711) Measuring range 1 bar < 0.15 % x TD/year Measuring range 0.4 bar < 0.35 % x TD/year VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 81: Dimensions

    The example shows that the measurement error in practice can be considerably higher than the basic accuracy. Reasons are temperature influence and Turn down. 10.9 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". Housing ~ 87 mm ~ 84 mm (3.43")
  • Page 82 8 mm (0.12") (0.32") 110 mm x 90 mm (4.33" x 3.54") Fig. 43: VEGABAR 83, 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)
  • Page 83 ( 1.42 ") ½ NPT ½ NPT ¼ NPT Fig. 44: VEGABAR 83, threaded fitting not front-flush DU G½, EN 837; manometer connection C2 M20 x 1.5 EN 837; manometer connection DN G½, inside G¼, ISO 228-1 LF ½ NPT, inside ¼ NPT, ASME B1.20.1 LY ½...
  • Page 84 ø 40 mm ø 40 mm (2.17") (1.59") (1.59") Fig. 45: VEGABAR 83, threaded fitting front-flush LU G½, ISO 228-1; front-flush; with O-ring C5 G1, ISO 228-1 DA G1½, DIN 3852-A AF M44 x 1.25 DIN 13; pressure screw: Aluminium AG M44 x 1.25 DIN 13;...
  • Page 85 ø 105 mm (3.60") (4.13") Fig. 46: VEGABAR 83, hygienic fitting 150 °C (piezoresistive/strain gauge measuring cell) AR Clamp 2" PN 16 (ø 64 mm) DIN 32676, ISO 2852 ES Hygienic connection with compression nut F40 PN 25 FR Varivent N50-40 PN 25 EZ Collar socket DN 40 PN 40, DIN 11851 E3 Collar socket DN 50 PN 25 Form A, DIN 11864;...
  • Page 86 (3.07") (3.07") ø 105 mm (4.13") Fig. 47: VEGABAR 83, hygienic fitting 150 °C (METEC measuring cell) ® AR Clamp 2" PN 16 (ø 64 mm) DIN 32676, ISO 2852 ES Hygienic fitting with compression nut F 40 PN 25...
  • Page 87 7.50" 0.94" 6“ 4xø 0.75" 5“ 0.06" Fig. 48: VEGABAR 83, flange connection 150 °C (piezoresistive/strain gauge measuring cell) Flange connection according to DIN 2501 Flange connection according to ASME B16.5 Order-specific Order-specific VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 88 0.96" 7.48" 6“ 4xø 0.75" 5“ 0.12" Fig. 49: VEGABAR 83, flange connection 180 °C/200 °C (METEC measuring cell) ® Flange connection according to DIN 2501 Flange connection according to ASME B16.5 Temperature adapter up to 180 °C Temperature screen sheet up to 200 °C...
  • Page 89 SK < 40 bar SK > 40 bar (1.77") Fig. 50: VEGABAR 83, connection acc. to IEC 61518 SJ Oval flange adapter SK Top flange For the version with " Second Line of Defense", the measure of length increases by 17 mm (0.67 in).
  • Page 90: 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 91 Measured value memory 47 Measurement setup 17, 18, 19 NAMUR NE 107 48 Oxygen applications 15 Parameterization example 32 Peak value 38 Position correction 32 Pressure compensation 16 Process pressure measurement 17 Repair 53 VEGABAR 83 • Modbus and Levelmaster protocol...
  • Page 92 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...

This manual is also suitable for:

Vegabar 82

Table of Contents