Vega VEGABAR 87 Operating Instructions Manual

Vega VEGABAR 87 Operating Instructions Manual

Submersible pressure transmitter with metal measuring cell
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Operating Instructions
Submersible pressure transmitter with
metal measuring cell
VEGABAR 87
Modbus and Levelmaster protocol
Document ID: 46297

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Summary of Contents for Vega VEGABAR 87

  • Page 1 Operating Instructions Submersible pressure transmitter with metal measuring cell VEGABAR 87 Modbus and Levelmaster protocol Document ID: 46297...
  • Page 2: Table Of Contents

    Setting up sensor and Modbus interface with PACTware ..........38 Connect the PC ......................38 Parameterization ......................39 Set instrument address ....................40 Save parameter adjustment data..................41 Diagnosis, asset management and service ................ 42 Maintenance ........................42 Diagnosis memory ......................42 VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 3 10.10 Industrial property rights ....................78 10.11 Trademark ........................78 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 87 • 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 Model VEGABAR 87 is a pressure transmitter for level and gauge 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

    That is why we have introduced an environment management system with the goal of continuously improving company environmental pro- tection. 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 87 • 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 87 • 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 Fig. 3: Level measurement with VEGABAR 87 Measuring system The process pressure acts on the sensor element via the stainless steel diaphragm and an internal transmission liquid. The process pressure causes a resistance change which is converted into a cor- responding output signal and output as measured value.
  • Page 10: Packaging, Transport And Storage

    Unless otherwise indicated, the packages must be stored only under the following conditions: • Not in the open • Dry and dust free • Not exposed to corrosive media • Protected against solar radiation • Avoiding mechanical shock and vibration VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 11: Accessories

    USB interface of a PC. Secondary sensors Secondary sensors of VEGABAR series 80 enable in conjunction with VEGABAR 87 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 12: 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 87 • Modbus and Levelmaster protocol...
  • Page 13 Fig. 5: Temperature ranges Process temperature Ambient temperature Transport and mounting Depending on the transmitter, the VEGABAR 87 is supplied with a protection protective cap or a transport and mounting protection. VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 14: Ventilation And Pressure Compensation

    4 Mounting Fig. 6: VEGABAR 87, transport and mounting protection Transmitter Transport and mounting protection Remove this protection after mounting and before setting up the instrument. In case of slightly contaminated measured media, the transport and mounting protection can remain on the instrument as an impact pro- tection during operation.
  • Page 15: Level Measurement

    Mount the instrument so that it is protected against pressure shocks from the stirrer External housing Configuration Fig. 8: Arrangement measurement loop, external housing Sensor Connection cable sensor, external housing External housing Signal cable VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 16: 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 87 • Modbus and Levelmaster protocol...
  • Page 17: 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 87 • Modbus and Levelmaster protocol...
  • Page 18 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 87 • Modbus and Levelmaster protocol...
  • Page 19: Wiring Plan

    For display and adjustment module or interface adapter Connection compartment MODBUS power supply off on Fig. 12: Connection compartment USB interface Slide switch for integrated termination resistor (120 Ω) Modbus signal Voltage supply Terminal Function Polarity Voltage supply VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 20: External Housing

    Function ground when installing ac- cording to CSA (Canadian Standards Association) External housing Terminal compartment, housing socket 1 2 3 4 Fig. 13: Connection of the sensor in the housing base Yellow White Black Shielding Breather capillaries VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 21 Fig. 14: Electronics and connection compartment Electronics module Cable gland for voltage supply Cable gland for connection cable, transmitter Overview Fig. 15: VEGABAR 87 in IP68 version 25 bar, non-Ex and axial cable outlet, external housing VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 22: 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 87 • Modbus and Levelmaster protocol...
  • Page 23: 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. 16: 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 87 • Modbus and Levelmaster protocol...
  • Page 24: 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 87 • Modbus and Levelmaster protocol...
  • Page 25: 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 87 • Modbus and Levelmaster protocol...
  • Page 26: 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 87 • Modbus and Levelmaster protocol...
  • Page 27 Application In this menu item you activate/deactivate the Secondary Device for electronic differential pressure and select the application. VEGABAR 87 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 28 20 % of the nominal measuring range, then no position correction is possible. VEGABAR 87 always measures pressure independently of the pro- Parameterization example cess variable selected in the menu item " Application". To output the...
  • Page 29 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]. 2. Edit the percentage value with [OK] and set the cursor to the requested position with [->]. VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 30 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 87 • Modbus and Levelmaster protocol...
  • Page 31 With active PIN, adjustment via PACTware/DTM and other systems is also blocked. 6.5.2 Display Language This menu item enables the setting of the requested national lan- guage. 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 87 • Modbus and Levelmaster protocol...
  • Page 32 Polish • Czech • Turkish In delivery status, the VEGABAR 87 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 33 The status message along with the Asset Management function is " Maintenance". Information: The sensor terminates the simulation automatically after 60 minutes. 6.5.3 Additional adjustments Date/Time In this menu item, you adjust the internal clock of the sensor. There is no adjustment for summer/winter (daylight saving) time. VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 34 Note: Before the data are saved in the sensor, a safety check is carried out to determine if the data match the sensor. In the process the sensor VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 35 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 87 • Modbus and Levelmaster protocol...
  • Page 36: 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 87 • Modbus and Levelmaster protocol...
  • Page 37: 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 87 • Modbus and Levelmaster protocol...
  • Page 38: Setting Up Sensor And Modbus Interface With Pactware

    Fig. 21: 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 87 • Modbus and Levelmaster protocol...
  • Page 39: 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 87 • Modbus and Levelmaster protocol...
  • Page 40: Set Instrument Address

    " Software". The full version is avail- able on CD from the agency serving you. Set instrument address The VEGABAR 87 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 41: 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 87 • Modbus and Levelmaster protocol...
  • Page 42: 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 87 • Modbus and Levelmaster protocol...
  • Page 43: 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 87 • Modbus and Levelmaster protocol...
  • Page 44 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 87 • Modbus and Levelmaster protocol...
  • Page 45: 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 87 • Modbus and Levelmaster protocol...
  • Page 46: 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 47: Exchanging The Electronics Module

    8 Diagnosis, asset management and service Fig. 25: VEGABAR 87 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 48: 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 87 • Modbus and Levelmaster protocol...
  • Page 49: 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 87 • Modbus and Levelmaster protocol...
  • Page 50: Supplement

    Ʋ Seal below wall mounting plate EPDM Ʋ Inspection window housing cover Polycarbonate (UL-746-C listed) Ground terminal 316Ti/316L Glass with Aluminium and stainless steel precision casting housing Only for 316L with 3A approval VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 51 +25 bar/+2500 kPa -1 bar/-100 kPa Absolute pressure 0 … 1 bar/0 … 100 kPa 25 bar/+2500 kPa 0 bar abs. 0 … 2.5 bar/0 … 250 kPa 25 bar/+2500 kPa 0 bar abs. 0 … 10 bar/0 … 1000 kPa 25 bar/+2500 kPa 0 bar abs. Between transmitter and external electronics housing. Data on overload capability apply for reference temperature. VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 52 Unlimited (recommended 20 : 1) Switch-on phase Run-up time approx. 23 s Output variable Output Ʋ Physical layer Digital output signal according to standard EIA-485 Ʋ Bus specifications Modbus Application Protocol V1.1b3, Modbus over se- rial line V1.02 VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 53 Via the current output, the additional current output Ʋ Digital Via the digital output signal (depending on the electron- ics version) 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) VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 54 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 87 • Modbus and Levelmaster protocol...
  • Page 55 -20 … +80 °C (-4 … +176 °F) -20 … +80 °C (-4 … +176 °F) Version IP68 (1 bar) with connection -20 … +60 °C (-4 … +140 °F) -20 … +60 °C (-4 … +140 °F) cable PE VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 56 Ʋ Max. length 250 m (820.2 ft) Ʋ Min. bending radius (at 25 °C/77 °F) 25 mm (0.985 in) Ʋ Diameter approx. 8 mm (0.315 in) Depending on the instrument version. 2 g with housing version stainless steel double chamber. IP66/IP68 (0.2 bar), only with absolute pressure. VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 57 Via the respective output signal Voltage supply Operating voltage 8 … 30 V DC Max. power consumption 520 mW Reverse voltage protection Integrated Potential connections and electrical separating measures in the instrument Electronics Not non-floating VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 58: Device Communication Modbus

    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. Parameters for the bus communication The VEGABAR 87 is preset with the following default values: Parameter Configurable Values Default Value Baud Rate 1200, 2400, 4800, 9600, 19200...
  • Page 59: Modbus Register

    10 Supplement Code". Hence the RTU knows the registers of the VEGABAR 87 which must be contacted for the variables and status information. Format Code Byte transmission order ABCD CDAB DCBA BADC 10.3 Modbus register Holding Register The Holding registers consist of 16 bit. They can be read and written. Before each command, the address (1 byte), after each command, a CRC (2 byte) is sent.
  • Page 60 DWord Third Variable in Byte Order BACD (Middle Endian) 2208 DWord Quarternary Variable in Byte Order BACD (Middle Endian) Unit Codes for Register 104, 108, 112, 116 Unit Code Measurement Unit in H2O VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 61: Modbus Rtu Commands

    Parameter Length Code/Data Request: Function Code 1 Byte 0x03 Start Address 2 Bytes 0x0000 to 0xFFFF Number of Registers 2 Bytes 1 to 127 (0x7D) VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 62 Parameter Length Code/Data Request: Function Code 1 Byte 0x08 Sub Function Code 2 Bytes Data N*2 Bytes Data Response: Function Code 1 Byte 0x08 Sub Function Code 2 Bytes Data N*2 Bytes Data VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 63 1 Byte FC43 Sub 14, Read Device Identification With this function code, the Device Identification is queried. Parameter Length Code/Data Request: Function Code 1 Byte 0x2B MEI Type 1 Byte 0x0E Read Device ID Code 1 Byte 0x01 to 0x04 Object ID 1 Byte 0x00 to 0xFF VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 64: Levelmaster Commands

    List of Object value 1 Byte Depending on the Object ID 10.5 Levelmaster commands The VEGABAR 87 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 65 Set number of Floats Parameter Length Code/Data Request: Set number of Floats 5 characters ASCII UuuFn Response: Set number of Floats 6 characters ASCII UuuFOK If the number is set to 0, no level is returned VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 66 = milliseconds (50 up to 250), default = 127 ms Error codes Error Code Name EE-Error Error While Storing Data in EEPROM FR-Error Erorr in Frame (too short, too long, wrong data) LV-Error Value out of limits VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 67: Configuration Of Typical Modbus Hosts

    10 Supplement 10.6 Configuration of typical Modbus hosts Fisher ROC 809 (Rx/Tx -) (Rx/Tx +) Fig. 28: Connection of VEGABAR 87 to RTU Fisher ROC 809 VEGABAR 87 RTU Fisher ROC 809 Voltage supply Parameters for Modbus Hosts Parameter Value Fisher Value ABB Total...
  • Page 68: Practical Example

    Level measurement in a water reservoir, 1,600 mm height corresponds to 0.157 bar (157 kPa), medium temperature 50 °C VEGABAR 87 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 69 0.05 % x 2.6 = 0.13 % 4. Calculation of the total deviation - digital signal - 1. step: Basic accuracy F perf = √((F + (F perf = 0.26 % = 0.1 % VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 70: 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". Plastic housing ~ 69 mm ~ 84 mm (2.72")
  • Page 71 ½ NPT Fig. 32: Housing version with protection rating IP66/IP68 (1 bar), (with integrated display and adjustment module the housing is 18 mm/0.71 in higher) Aluminium - single chamber Aluminium - double chamber VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 72 Fig. 34: Housing versions in protection rating IP66/IP68 (1 bar), (with integrated display and adjustment module the housing is 9 mm/0.35 in or 18 mm/0.71 in higher) Stainless steel single chamber (electropolished) Stainless steel single chamber (precision casting) Stainless steel double chamber housing (precision casting) VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 73 ø 80 mm (3.15") M20x1,5/ ½ NPT Fig. 35: Housing version with protection rating IP69K (with integrated display and adjustment module the housing is 9 mm/0.35 in higher) Stainless steel single chamber (electropolished) VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 74 8 mm (0.12") (0.32") 110 mm x 90 mm (4.33" x 3.54") Fig. 36: VEGABAR 87, 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 75 1½ NPT ø 8 mm (0.32") ø 29 mm (1.14") ø 40 mm (1.58") Fig. 37: VEGABAR 87, standard fittings Straining clamp Threaded fitting Thread G1½ Thread 1½ NPT Total length from configurator VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 76 3" 1 .25" 0.12 " 4" 10" 7.87 " 8xø0.63 " 6.19 " Fig. 38: VEGABAR 87, flange connection Flanges according to DIN 2501 Flanges according to ASME B16.5 Total length from configurator VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 77 ø 8 mm (0.32") ø 40 mm (1.58") Fig. 39: VEGABAR 87, hygienic fittings Clamp 2" PN 16 (ø 64 mm) DIN 32676, ISO 2852 Slotted nut DN 50 Total length from configurator VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 78: 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 79 Linearisation 30 Maintenance 42 Measured value memory 42 Measurement setup – In the open vessel 15 NAMUR NE 107 43 Peak value 33 Position correction 28 Pressure compensation 15 Repair 48 Reset 34 VEGABAR 87 • Modbus and Levelmaster protocol...
  • Page 80 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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