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Vega VEGAFLEX 86 Operating Instructions Manual

Tdr sensor for continuous level and interface measurement of liquids
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Operating Instructions

TDR sensor for continuous level and
interface measurement of liquids
VEGAFLEX 86
Four-wire Modbus
Converter version in second chamber
Coax probe
-196 ... +280 °C
-196 ... +450 °C
Document ID: 42288

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Summary of Contents for Vega VEGAFLEX 86

  • Page 1: Operating Instructions

    Operating Instructions TDR sensor for continuous level and interface measurement of liquids VEGAFLEX 86 Four-wire Modbus Converter version in second chamber Coax probe -196 … +280 °C -196 … +450 °C Document ID: 42288...

  • Page 2: Table Of Contents

    Set instrument address ....................51 Set up with the quick setup ..................... 52 Saving the parameterisation data ................... 53 Diagnostics and servicing ....................54 Maintenance ........................54 Diagnosis memory ......................54 Status messages ......................55 VEGAFLEX 86 • Four-wire Modbus...
  • Page 3 10.8 Industrial property rights ....................92 10.9 Trademark ........................92 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 manual. Editing status: 2017-09-14 VEGAFLEX 86 • Four-wire Modbus...

  • 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 VEGAFLEX 86 is a sensor for continuous 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: Eu Conformity

    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" VEGAFLEX 86 • Four-wire Modbus...

  • Page 7: Product Description

    Operating instructions and quick setup guide at the time of ship- ment (PDF) • Order-specific sensor data for an electronics exchange (XML) • Test certificate (PDF) - optional Go to "www.vega.com", "Instrument search (serial number)". Enter the serial number. Alternatively, you can access the data via your smartphone: VEGAFLEX 86 • Four-wire Modbus...
  • Page 8 3 Product description • Download the VEGA Tools app from the "Apple App Store" or the "Google Play Store" • Scan the Data Matrix code on the type label of the instrument or • Enter the serial number manually in the app...

  • Page 9: Principle Of Operation

    The respective scope of delivery results from the order specification. Principle of operation Application area The VEGAFLEX 86 is a level sensor with coax probe for continuous level or interface measurement, suitable for applications in liquids with high temperatures up to 450 °C (842 °F). Functional principle -...
  • Page 10 Example: upper medium dielectric constant 2, lower medium at least dielectric constant 12. Gas phase (L3) • Air or gas mixture • Gas phase - dependent on the application, gas phase does not always exist (d2 = 0) VEGAFLEX 86 • Four-wire Modbus...

  • Page 11: Packaging, Transport And Storage

    The integrated Bluetooth module (optional) enables wireless adjust- ment via standard adjustment devices: • Smartphone/tablet (iOS or Android operating system) • PC/notebook with Bluetooth USB adapter (Windows operating system) VEGAFLEX 86 • Four-wire Modbus...
  • Page 12 PACTware with VEGA-DTM is required. You can find further information in the operating instructions "Interface adapter VEGACONNECT" (Document-ID 32628). VEGADIS 81 The VEGADIS 81 is an external display and adjustment unit for VEGA plics sensors. ® For sensors with double chamber housing the interface adapter "VEGADIS adapter"...
  • Page 13 Then the sensor housing is made of stainless steel. The electronics is located in the external housing which can be mounted in a distance of up to 10 m (147 ft) to the sensor by using a connection cable. You can find additional information in the operating instructions manual "External housing" (Document-ID 46802). VEGAFLEX 86 • Four-wire Modbus...

  • Page 14: Mounting

    Make sure before mounting that all parts of the instrument exposed to Suitability for the process conditions the process are suitable for the existing process conditions. These are mainly: • Active measuring component • Process fitting • Process seal Process conditions in particular are: VEGAFLEX 86 • Four-wire Modbus...

  • Page 15: Mounting Instructions

    Fig. 5: Vessel with conical bottom Welding work Before beginning the welding work, remove the electronics module from the sensor. By doing this, you avoid damage to the electronics through inductive coupling. Inflowing medium Do not mount the instruments in or above the filling stream. Make sure that you detect the product surface, not the inflowing product. VEGAFLEX 86 • Four-wire Modbus...
  • Page 16 If there is a danger of the coaxial probe touching the vessel wall, then the probe must be fastened at the bottom end. Keep in mind that measurement is not possible below the fastening point. VEGAFLEX 86 • Four-wire Modbus...
  • Page 17 Ths distance piece is used for thermal decou- pling of the electronics against high process temperatures. Information: The spacer may be incorporated in the vessel insulation up to max. 50 mm (2 in). Only then is a reliable temperature decoupling guaran- teed. VEGAFLEX 86 • Four-wire Modbus...
  • Page 18 The prerequisite is constant temperature and pressure in the vessel. Automatic correction via the reference distance The VEGAFLEX 86 can be equipped optionally with a running time correction via reference distance. The probe can carry out an auto- matic running time correction with it.
  • Page 19 4 Mounting Fig. 9: Measuring ranges - VEGAFLEX 86 with steam compensation Reference plane Probe length L Measuring range Upper blocking distance with steam compensation Lower dead band Reference measurement distance to steam compensation Length of the reference measuring distance VEGAFLEX 86 • Four-wire Modbus...

  • Page 20: Connecting To Power Supply And Bus System

    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". VEGAFLEX 86 • Four-wire Modbus...

  • Page 21: Connecting

    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 Fig. 10: Connection steps 5 and 6 5. Insert the wire ends into the terminals according to the wiring plan VEGAFLEX 86 • Four-wire Modbus...

  • Page 22: Wiring Plan

    When inserting the terminal block again, you should hear it snap in. Wiring plan Overview Fig. 11: Position of connection compartment (Modbus electronics) and electron- ics compartment (sensor electronics) Terminal compartment 2 Electronics compartment VEGAFLEX 86 • Four-wire Modbus...
  • Page 23 Fig. 13: Terminal compartment USB interface 2 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 Function ground when installing ac- cording to CSA (Canadian Standards Association) VEGAFLEX 86 • Four-wire Modbus...

  • Page 24: Double Chamber Housing With Vegadis-Adapter

    Supplementary electron- To make a second measured value available for use, you can use the ics - Additional current supplementary electronics "Additional current output". output Both current outputs are passive and need a power supply. VEGAFLEX 86 • Four-wire Modbus...

  • Page 25: Switch-On Phase

    Additional current output (II) - Voltage supply and signal output (without HART) Ground terminal for connection of the cable screen Switch-on phase After VEGAFLEX 86 is connected to the bus system, the instrument carries out a self-test for approx. 30 seconds. The following steps are carried out: •...

  • Page 26: 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. 17: 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. VEGAFLEX 86 • Four-wire Modbus...

  • Page 27: Adjustment System

    5 s, the display returns to the main menu. The menu language is then switched over to "English". Approx. 60 minutes after the last pressing of a key, an automatic reset to measured value indication is triggered. Any values not confirmed with [OK] will not be saved. VEGAFLEX 86 • Four-wire Modbus...

  • Page 28: Parameter Adjustment - Quick Setup

    6 Set up the sensor with the display and adjustment module After switching on, the VEGAFLEX 86 carries out a short self-test Switch-on phase where the device software is checked. The output signal transmits a fault signal during the switch-on phase.
  • Page 29 "->" key you jump to the next position. You can enter names with max. 19 characters. The character set comprises: • Capital letters from A … Z • Numbers from 0 … 9 • Special characters + - / _ blanks VEGAFLEX 86 • Four-wire Modbus...
  • Page 30 Setup - Application - Me- In this menu item, you can define the type of medium (product). dium, dielectric constant This menu item is only available if you have selected level measure- ment under the menu item "Application". VEGAFLEX 86 • Four-wire Modbus...
  • Page 31 Setup - Max. adjustment In this menu item you can enter the max. adjustment for the level. With Level interface measurement this is the maximum total level. Adjust the requested percentage value with [+] and store with [OK]. VEGAFLEX 86 • Four-wire Modbus...
  • Page 32 As an alternative, you have the possibility taking over the adjustment of the level measurement also for the interface. Enter the respective distance value in m for the surface of the upper medium corresponding to the percentage value. VEGAFLEX 86 • Four-wire Modbus...
  • Page 33 If a linearisation curve is selected, the measuring signal is no longer necessarily linear to the filling height. This must be considered by the user especially when setting the switching point on the limit signal transmitter. In the following, you have to enter the values for your vessel, for example the vessel height and the socket correction. VEGAFLEX 86 • Four-wire Modbus...
  • Page 34 In the menu item "Current output mode" you determine the output mode characteristics and reaction of the current output in case of fault. The default setting is output characteristics 4 … 20 mA, fault mode < 3.6 mA. VEGAFLEX 86 • Four-wire Modbus...
  • Page 35 (too large) value is entered, the existing level will be saved as a false signal. The level would then no longer be detectable in this area. If a false signal suppression has already been created in the sensor, the following menu window appears when selecting "False signal suppression": VEGAFLEX 86 • Four-wire Modbus...
  • Page 36 The procedure is described in the following. The following submenu points are available: The submenu points are described below. Display - Menu language This menu item enables the setting of the requested national lan- guage. VEGAFLEX 86 • Four-wire Modbus...
  • Page 37 In delivery status, the lighting is switched on. Diagnostics - Device In this menu item, the device status is displayed. status When the instrument displays a failure message, you can here get detailed information on the failure reason. VEGAFLEX 86 • Four-wire Modbus...
  • Page 38 Diagnostics - Peak val- ues, Additional sensor. The values are displayed in the menu item "Peak values Ad- ditional". This menu item displays the peak values of the electronics tempera- ture as well as the dielectric constant. VEGAFLEX 86 • Four-wire Modbus...
  • Page 39 Select the requested simulation variable and set the requested value. Caution: During simulation, the simulated value is outputted as 4 … 20 mA cur- rent value and digital HART signal. VEGAFLEX 86 • Four-wire Modbus...
  • Page 40 In this menu item, the internal clock of the sensor is set. Time Additional settings - After a reset, certain parameter adjustments made by the user are Reset reset. Note: After this menu window, the reset process is carried out. No further safety inquiry follows. VEGAFLEX 86 • Four-wire Modbus...
  • Page 41 Distance: Probe length - take dead band into account Max. adjustment - Interface 100 % Distance: 0.000 m(d) - note block- ing distances Min. adjustment - Interface Distance: Probe length - take dead band into account VEGAFLEX 86 • Four-wire Modbus...
  • Page 42 20.5 mA Menu - Display Menu Menu item Default value Display Language Selected language Displayed value 1 Filling height Displayed value 2 Electronics temperature Display format 1 Automatically Display format 2 Automatically Backlight Switched on VEGAFLEX 86 • Four-wire Modbus...
  • Page 43 We recommend to save the instrument adjustments. In case of an electronics exchange the saved parameter adjustment data relieve this process. Since scaling is very extensive, scaling of the level value was divided Additional settings - Scal- ing level into two menu items. VEGAFLEX 86 • Four-wire Modbus...
  • Page 44 0 % and format 100 %. Additional settings - Cur- Since scaling is very extensive, scaling of the level value was divided rent output into two menu items. VEGAFLEX 86 • Four-wire Modbus...
  • Page 45 The default setting is "Analogue current output" and the address 00. Additional settings - Spe- In this menu item you gain access to the protected area where cial parameters you can enter special parameters. In exceptional cases, individual parameters can be modified in order to adapt the sensor to special requirements. VEGAFLEX 86 • Four-wire Modbus...

  • Page 46: Saving The Parameterisation Data

    The following data or settings for adjustment of the display and ad- justment module are saved: • All data of the menu "Setup" and "Display" • The items "Sensor-specific units, temperature unit and linearisa- tion" in the menu "Additional settings". VEGAFLEX 86 • Four-wire Modbus...
  • Page 47 If it is necessary to exchange a sensor, the display and adjustment module is inserted into the replacement instrument and the data are likewise written into the sensor via the menu item "Copy device settings". VEGAFLEX 86 • Four-wire Modbus...

  • Page 48: Setting Up Sensor And Modbus Interface With Pactware

    1 USB cable to the PC 2 Interface adapter VEGACONNECT Sensor To the Modbus electron- Connection of the PC to the Modbus electronics is carried out via a USB cable. Scope of the parameter adjustment: • Sensor electronics • Modbus electronics VEGAFLEX 86 • Four-wire Modbus...

  • Page 49: Parameter Adjustment With Pactware

    For parameter adjustment of the sensor via a Windows PC, the con- Prerequisites figuration software PACTware and a suitable instrument driver (DTM) according to FDT standard are required. The up-to-date PACTware version as well as all available DTMs are compiled in a DTM Collec- VEGAFLEX 86 • Four-wire Modbus...
  • Page 50 The standard version is available as a download under www.vega.com/downloads and "Software". The full version is avail- able on CD from the agency serving you. VEGAFLEX 86 • Four-wire Modbus...

  • Page 51: Set Instrument Address

    7 Setting up sensor and Modbus interface with PACTware Set instrument address The VEGAFLEX 86 requires an address for participating as a Slave in the Modbus communication. The addess setting is carried out via a PC with PACTware/DTM or Modbus RTU.

  • Page 52: Set Up With The Quick Setup

    2 Extended adjustment Maintenance Quick setup With quick setup you can carry out the parameter adjustment of VEGAFLEX 86 for your application in just a few simple steps. The assistant-driven adjustment includes the basic settings for simple, reliable setup and commissioning. Information: If the function is inactive, then possibly no instrument is connected.

  • Page 53: Saving The Parameterisation Data

    Click to the button "Quick setup", to start the assistant-driven adjust- Start quick setup ment for a simplified and reliable setup. Saving the parameterisation data We recommend documenting or saving the parameterisation data via PACTware. That way the data are available for multiple use or service purposes. VEGAFLEX 86 • Four-wire Modbus...

  • Page 54: Diagnostics And Servicing

    Echo curve of the setup: This is used as reference echo curve for the measurement conditions during setup. Changes in the measure- ment conditions during operation or buildup on the sensor can thus be recognized. The echo curve of the setup is stored via: • PC with PACTware/DTM • Control system with EDD VEGAFLEX 86 • Four-wire Modbus...

  • Page 55: Status Messages

    This status message is inactive by default. It can be activated by the user via PACTware/DTM or EDD. Maintenance: Due to external influences, the instrument function is limited. The measurement is affected, but the measured value is still valid. Plan in maintenance for the instrument because a failure is expected in the near future (e.g. due to buildup). VEGAFLEX 86 • Four-wire Modbus...
  • Page 56 Error in the EEPROM bration • • F261 Error during setup Repeat setup Bit 9 • • False signal suppression faulty Repeat reset Error in the in- • Error when carrying out a reset strument settings VEGAFLEX 86 • Four-wire Modbus...
  • Page 57 Reduce level Bit 9 of Byte 14 … 24 • not available 100 % adjustment: Increase Overfilling value • Check mounting socket • Remove possible interfering signals in the close range • Use coaxial probe VEGAFLEX 86 • Four-wire Modbus...

  • Page 58: Rectify Faults

    Error when carrying out a setup Error in the reset instrument • False signal suppression settings faulty Rectify faults Reaction when malfunc- The operator of the system is responsible for taking suitable meas- tion occurs ures to rectify faults. VEGAFLEX 86 • Four-wire Modbus...
  • Page 59 Wherever the sensor displays a constant value, the reason could also be the fault setting of the current output to "Hold value" • If the level indication is too low, the reason could be a line resist- ance that is too high VEGAFLEX 86 • Four-wire Modbus...
  • Page 60 • 0 m distance signals in the close range. The Check installation conditions • sensor goes into overfill protec- If possible, switch off the func- tion mode. The max. level (0 m tion "Overfill protection" time distance) as well as the status message "Overfill protection" are outputted. VEGAFLEX 86 • Four-wire Modbus...

  • Page 61: Exchanging The Electronics Module

    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 62: Software Update

    Clean the instrument and pack it damage-proof • Attach the completed form and, if need be, also a safety data sheet outside on the packaging • Please contact the agency serving you to get the address for the return shipment. You can find the agency on our home page www.vega.com. VEGAFLEX 86 • Four-wire Modbus...

  • Page 63: Dismount

    Pass the instrument directly on to a spe- cialised recycling company and do not use the municipal collecting points. These may be used only for privately used products according to the WEEE directive. VEGAFLEX 86 • Four-wire Modbus...

  • Page 64: Supplement

    Ʋ Supporting material 316L Ʋ Glass potting Borosilicate glass GPC 540 Ʋ Contacts Alloy C22 (2.4602) Ʋ Helium leak rate < 10 mbar l/s Ʋ Pressure resistance See process pressure of the sensor VEGAFLEX 86 • Four-wire Modbus...
  • Page 65 45 … 75 % Ʋ Air pressure +860 … +1060 mbar/+86 … +106 kPa (+12.5 … +15.4 psig) Mounting, reference conditions Ʋ Min. distance to internal installations > 500 mm (19.69 in) Ʋ Vessel metallic, ø 1 m (3.281 ft), centric mounting, process fit- ting flush with the vessel ceiling VEGAFLEX 86 • Four-wire Modbus...
  • Page 66 Lower dead band (see following diagrams - grey section) Typical deviation - Interface measure- ± 5 mm (0.197 in) ment Typical deviation - Total level interface See following diagrams measurement With interface measurement = 2.0 VEGAFLEX 86 • Four-wire Modbus...
  • Page 67 Probe length 6 mm (0.236 ") -6 mm (-0.236 ") -10 mm (-0.394 ") 0,1 m 0,03 m (1.18 " (3.937 ") Fig. 37: Deviation VEGAFLEX 86 in coax version in water (measurement length up to 6 m/19.69 ft) Dead band (no measurement possible in this area) Probe length Depending on the mounting conditions, deviations can occur which can be rectified by adapting the adjustment or changing the measured value offset in the DTM service mode. The dead bands can be optimized via a false signal suppression. VEGAFLEX 86 • Four-wire Modbus...
  • Page 68 ± 10 % 500 mm (19.69 in) 690 mm (27.17 in) > 1250 mm (49.21 in) ± 5 % 750 mm (29.53 in) 940 mm (37.01 in) > 1500 mm (59.06 in) ± 3 % Repeatability ≤ ±1 mm VEGAFLEX 86 • Four-wire Modbus...
  • Page 69 -40 … +80 °C (-40 … +176 °F) ture Process conditions For the process conditions, please also note the specifications on the type label. The lowest value always applies. The measurement error through the process conditions in the specified pressure and temperature range is < 1 %. Time span after a sudden measuring distance change by max. 0.5 m in liquid applications, max 2 m with bulk solids applications, until the output signal has taken for the first time 90 % of the final value (IEC 61298-2). VEGAFLEX 86 • Four-wire Modbus...
  • Page 70 Aluminium housing Plastic housing Stainless steel housing, precision casting Stainless steel housing, electropolished Process temperature -196 … +450 °C (-321 … +842 °F) The measurement error from the process conditions is in the specified pressure and temperature range of below 1 %. VEGAFLEX 86 • Four-wire Modbus...
  • Page 71 (5510 psig) 356 bar (5160 psig) 200 bar (2900 psig) 100 bar (1450 psig) -196°C -100°C 0°C 100°C 200°C 280°C (-321°F) (-148°F) (32°F) (212°F) (392°F) (536°F) Fig. 42: Process pressure - process temperature (version -196 … +280 °C/-321 … +536 °F) Process temperature (depending on the seal material) Process pressure VEGAFLEX 86 • Four-wire Modbus...
  • Page 72 Display and adjustment module Display element Display with backlight Measured value indication Ʋ Number of digits Ʋ Size of digits W x H = 7 x 13 mm Adjustment elements Ʋ 4 keys [OK], [->], [+], [ESC] Ʋ Switch Bluetooth On/Off VEGAFLEX 86 • Four-wire Modbus...
  • Page 73 < 500 mW Reverse voltage protection Integrated Potential connections and electrical separating measures in the instrument Electronics Not non-floating Ground terminal Galvanically connected with the metal process fitting Galvanic separation between electronics and metal housing parts Ʋ Reference voltage 500 V AC VEGAFLEX 86 • Four-wire Modbus...

  • Page 74: Basics Modbus

    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. 10.2 Basics Modbus Bus description The Modbus protocol is a communication protocol for the communication between instruments.
  • Page 75 Fig. 44: Bus architecture Modbus Connection resistor Bus participant Voltage supply Protocol description The VEGAFLEX 86 is suitable for connection to the following RTUs with Modbus RTU or ASCII protocol. Protocol ABB Totalflow Modbus RTU, ASCII Bristol ControlWaveMicro Modbus RTU, ASCII...

  • Page 76: 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 VEGAFLEX 86 which must be contacted for the variables and status information.
  • Page 77 Primary Variable in Byte Order BACD (Middle Endian) 2204 DWord Secondary Variable in Byte Order BACD (Middle Endian) 2206 DWord Third Variable in Byte Order BACD (Middle Endian) 2208 DWord Quarternary Variable in Byte Order BACD (Middle Endian) VEGAFLEX 86 • Four-wire Modbus...

  • Page 78: Modbus Rtu Commands

    N*2 Bytes Data FC4 Read Input Register With this command, any number (1-127) of input registers can be read out. The start register, from which the readout should start, and the number of registers are transmitted. VEGAFLEX 86 • Four-wire Modbus...
  • Page 79 Register Value 2 Bytes Data FC8 Diagnostics With this function code different diagnostic functions can be triggered or diagnostic values read out. Request: Parameter Length Code/Data Function Code 1 Byte 0x08 Sub Function Code 2 Bytes Data N*2 Bytes Data Response: Parameter Length Code/Data Function Code 1 Byte 0x08 VEGAFLEX 86 • Four-wire Modbus...
  • Page 80 0x01 to 0x7B FC17 Report Slave ID With this function code, the Slave ID can be queried. Request: Parameter Length Code/Data Function Code 1 Byte 0x11 Response: Parameter Length Code/Data Function Code 1 Byte 0x11 VEGAFLEX 86 • Four-wire Modbus...

  • Page 81: Levelmaster Commands

    List of Object value 1 Byte Depending on the Object ID 10.5 Levelmaster commands The VEGAFLEX 86 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 82 25.4 m). If the temperature should be transmitted in the Levelmaster protocol, then TV must be set in the sensor to temperature. PV, SV and TV can be adjusted via the sensor DTM. VEGAFLEX 86 • Four-wire Modbus...
  • Page 83 Parameter Length Code/Data Set Baud Rate 8 (12) characters ASCII UuuBbbbb[b][pds] Bbbbb[b] = 1200, 9600 (default) pds = parity, data length, stop bit (optional) parity: none = 81, even = 71 (default), odd = 71 VEGAFLEX 86 • Four-wire Modbus...
  • Page 84 Code/Data Report Receive to Transmit Delay 4 characters ASCII UuuR Response: Parameter Length Code/Data Report Receive to Trans- 7 characters ASCII UuuRmmm mit Delay mmm = milliseconds (50 up to 250), default = 127 ms VEGAFLEX 86 • Four-wire Modbus...

  • Page 85: Configuration Of Typical Modbus Hosts

    Input Register Base Number The basic number of the input registers is always added to the input register address of VEGAFLEX Address 1300 must hence be entered as register address for RTU Fisher ROC 809. VEGAFLEX 86 • Four-wire Modbus...
  • Page 86 Input Register Base Number The basic number of the input registers is always added to the input register address of VEGAFLEX Address 1303 must hence be entered as register address for 1302 for RTU ABB Total Flow. VEGAFLEX 86 • Four-wire Modbus...
  • Page 87 The basic number of the input registers is always added to the input register address of VEGAFLEX For that reason, address 1300 must be entered as register address for 1300 for the RTU Thermo Electron Autopilot. VEGAFLEX 86 • Four-wire Modbus...
  • Page 88 Input Register Base Number The basic number of the input registers is always added to the input register address of VEGAFLEX Address 1303 must hence be entered as register address for 1302 for RTU Bristol ControlWave Micro. VEGAFLEX 86 • Four-wire Modbus...

  • Page 89: Dimensions

    Address 31303 must hence be entered as register address for 1302 for RTU ScadaPack. 10.7 Dimensions The following dimensional drawings represent only an extract of all possible versions. Detailed dimensional drawings can be downloaded at www.vega.com/downloads under "Drawings". VEGAFLEX 86 • Four-wire Modbus...
  • Page 90 10 Supplement Housing ~ 87 mm ~ 84 mm (3.43") ø 84 mm (3.31") ø 79 mm (3.31") (3.11") M16x1,5 M16x1,5 M20x1,5/ M20x1,5/ ½ NPT ½ NPT Fig. 50: Dimensions of housing - with integrated display and adjustment module the housing is 9 mm/0.35 inches higher Plastic double chamber Aluminium/Stainless steel double chamber VEGAFLEX 86 • Four-wire Modbus...
  • Page 91 10 Supplement VEGAFLEX 86, coax version SW 60 (2.36") G1½ / 1½ NPT ø 42,2 mm ø 42,2 mm (1.66") (1.66") Fig. 51: VEGAFLEX 86, threaded version Sensor length, see chapter "Technical data" Temperature version -196 … +280 °C (-321 … 536 °F) Temperature version -196 … +450 °C (-321 … 842 °F) Max. height of the vessel insulation VEGAFLEX 86 • Four-wire Modbus...

  • Page 92: 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 93 Factory calibration date 46 – Electronics module 12 False signal suppression 35 – Electronics module, Modbus 12 Fault rectification 59 Functional principle 9 Reset 40 Scaling measured value 43, 44 Gas phase 31 Sensor characteristics 46 Sensor status 37 VEGAFLEX 86 • Four-wire Modbus...
  • Page 94 INDEX Service hotline 61 Simulation 39 Special parameters 45 Type label 7 Type of medium 30 Units 30 Vessel insulation 17 VEGAFLEX 86 • Four-wire Modbus...
  • Page 95 Notes VEGAFLEX 86 • Four-wire Modbus...
  • Page 96 Subject to change without prior notice © VEGA Grieshaber KG, Schiltach/Germany 2017 VEGA Grieshaber KG Phone +49 7836 50-0 Am Hohenstein 113...

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