Endress+Hauser Deltabar FMD71 Operating Instructions Manual
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Endress+Hauser Deltabar FMD71 Operating Instructions Manual

Level measurement with electronic differential pressure, electronic differential pressure transmitter with ceramic and metal sensors
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BA01044P/00/EN/06.17
71376028
Valid as of version
01.00.00
Products
Operating Instructions
Deltabar FMD71, FMD72
Level measurement with electronic differential pressure
Electronic differential pressure transmitter with ceramic
and metal sensors
Solutions
Services

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Summary of Contents for Endress+Hauser Deltabar FMD71

  • Page 1 Products Solutions Services BA01044P/00/EN/06.17 71376028 Valid as of version 01.00.00 Operating Instructions Deltabar FMD71, FMD72 Level measurement with electronic differential pressure Electronic differential pressure transmitter with ceramic and metal sensors...
  • Page 2 • The manufacturer reserves the right to modify technical data without prior notice. Your Endress+Hauser distributor will supply you with current information and updates to these Instructions. Endress+Hauser...

  • Page 3: Table Of Contents

    Deltabar FMD71, FMD72 Table of contents Table of contents Document information ....5 Operation options ....30 Document function .
  • Page 4 Table of contents Deltabar FMD71, FMD72 12.3 Return ......73 Overview of the operating menu ..74 Description of Device Parameters .

  • Page 5: Document Information

    Deltabar FMD71, FMD72 Document information Document information Document function These Operating Instructions contain all the information that is required in various phases of the life cycle of the device: from product identification, incoming acceptance and storage, to mounting, connection, operation and commissioning through to troubleshooting, maintenance and disposal.

  • Page 6: Documentation

    Views A-A, B-B, C-C, ... Sections Documentation The document types listed are available: In the Download Area of the Endress+Hauser Internet site: www.endress.com → Download 1.3.1 Technical Information (TI): planning aid for your device TI01033P: The document contains all the technical data on the device and provides an overview of the accessories and other products that can be ordered for the device.
  • Page 7 Deltabar FMD71, FMD72 Document information The Brief Operating Instructions contain all the essential information from incoming acceptance to initial commissioning. 1.3.3 Description of Device Parameters (GP): reference for your parameters GP01013P: The document provides a detailed explanation of each individual parameter in the operating menu.

  • Page 8: Terms And Abbreviations

    Document information Deltabar FMD71, FMD72 Terms and abbreviations A0029505 Position Term/ Explanation abbreviation The OPL (over pressure limit = sensor overload limit) for the measuring device depends on the lowest-rated element, with regard to pressure, of the selected components, i.e. the process connection has to be taken into consideration in addition to the measuring cell.

  • Page 9: Turn Down Calculation

    Deltabar FMD71, FMD72 Document information Turn down calculation 1 = 2 A0029545 Calibrated/adjusted span Zero point-based span URL sensor Example • Sensor:10 bar (150 psi) • Calibrated/adjusted span: 0 to 5 bar (0 to 75 psi) • Upper range value (URL) = 10 bar (150 psi) •...

  • Page 10: Basic Safety Instructions

    The manufacturer is not liable for damage caused by improper or non-designated use. Verification for borderline cases: ‣ For special fluids and fluids for cleaning, Endress+Hauser is glad to provide assistance in verifying the corrosion resistance of fluid-wetted materials, but does not accept any warranty or liability.

  • Page 11: Workplace Safety

    It meets general safety standards and legal requirements. It also complies with the EC directives listed in the device-specific EC Declaration of Conformity. Endress+Hauser confirms this by affixing the CE mark to the device.

  • Page 12: Product Description

    Product description Deltabar FMD71, FMD72 Product description Product design Level measurement (level, volume and mass) with Deltabar: P = p2 P = p1 + p2 A0016449 Sensor module LP (low pressure) HP Sensor module HP (high pressure) Head pressure Hydrostatic pressure...

  • Page 13: Function

    Deltabar FMD71, FMD72 Product description Function 3.2.1 Differential pressure generation The measurement chain for the calculation of the differential pressure can be represented by the following diagram: Sensor Measured pressure LP pressure LP ↑ ↑ Sensor Sensor trim LP Pressure...

  • Page 14: Incoming Acceptance And Product

    Incoming acceptance and product identification Deltabar FMD71, FMD72 Incoming acceptance and product identification Incoming acceptance DELIVERY NOTE A0028673 1 = 2 A0016870 Is the order code on the delivery note (1) identical to the order code on the product sticker (2)?

  • Page 15: Product Identification

    Deltabar FMD71, FMD72 Incoming acceptance and product identification A0028673 A0022106 Is the documentation provided? If required (see nameplate): Are the safety instructions (XA) present? If one of these conditions is not fulfilled, please contact your Endress+Hauser sales office. Product identification The following options are available for identification of the measuring device: •...
  • Page 16 Incoming acceptance and product identification Deltabar FMD71, FMD72 Additional nameplate for devices with Ex approval A0021222 Approval-specific information Document number of Safety Instructions or drawing number Additional nameplate for devices with PVDF process connection A0022683 application limits 4.3.2 Nameplates of the T17 transmitter housing Order code: Ext.

  • Page 17: Storage And Transport

    Deltabar FMD71, FMD72 Incoming acceptance and product identification 4.3.3 Nameplate of the sensor housing Sensor module Deltabar Ser. no.: Mat.: A0021224 Sensor serial number Identification of sensor type (HP/LP) Storage and transport 4.4.1 Storage conditions Use original packaging. Store the measuring device in clean and dry conditions and protect from damage caused by shocks (EN 837-2).

  • Page 18: Installation

    Installation Deltabar FMD71, FMD72 Installation • Moisture must not penetrate the housing when mounting the device, establishing the electrical connection and during operation. • When measuring in media containing solids, such as dirty liquids, installing separators and drain valves is useful for capturing and removing sediment.

  • Page 19: Thermal Insulation - Fmd71 High-Temperature Version

    Deltabar FMD71, FMD72 Installation 2 mm 3 mm A0017506 Thermal insulation - FMD71 high-temperature version The FMD71 high-temperature version may only be insulated up to a certain height. The maximum permitted insulation height is indicated on the devices and applies to an insulation material with a heat conductivity ≤...

  • Page 20: Installing The Sensor Modules

    Installation Deltabar FMD71, FMD72 Installing the sensor modules 5.6.1 General installation instructions • The nameplate on the sensor module specifies where the sensor module is typically installed: HP (bottom) LP (top) For further information, see the "Function" section →  13.

  • Page 21: Installing The Transmitter

    Deltabar FMD71, FMD72 Installation WARNING Material fatigue from pressure and temperature! Risk of injury due to bursting of parts! The thread can become lose if exposed to high pressure and temperature loads. ‣ The integrity of the thread must be checked regularly and the thread may need to be retightened with the maximum tightening torque of 7 Nm (5.16 lbf ft).

  • Page 22: Closing The Housing Cover

    Installation Deltabar FMD71, FMD72 5.8.1 Turning the display module A0017524 WARNING Supply voltage switched off? Risk of electric shock and/or explosion! ‣ Switch off the supply voltage before connecting the device. 1. If present (i.e. in devices with Ex d and Ex na approval), release the securing clamp of the electronics compartment cover with an Allen key.

  • Page 23: Seal For Flange Mounting

    Deltabar FMD71, FMD72 Installation 5.10 Seal for flange mounting NOTICE Distorted measurement results. The seal is not allowed to press against the process isolating diaphragm as this could affect the measurement result. ‣ Ensure that the seal is not touching the process isolating diaphragm.

  • Page 24: Electrical Connection

    Electrical connection Deltabar FMD71, FMD72 Electrical connection WARNING If the operating voltage is > 35 VDC: Dangerous contact voltage at terminals. Risk of electric shock! ‣ In a wet environment, do not open the cover if voltage is present. The sensor modules have a designation independent of the master/slave configuration.

  • Page 25: Connecting The Sensor Module Hp To The Transmitter

    Deltabar FMD71, FMD72 Electrical connection 6.1.1 Screening with cable shield Screening with cable shield is described in the associated documentation SD00354P. The documentation is provided with the connecting cables. Connecting the sensor module HP to the transmitter WARNING Supply voltage might be connected! Risk of electric shock and/or explosion! ‣...

  • Page 26: Connecting The Measuring Unit

    Electrical connection Deltabar FMD71, FMD72 Connecting the measuring unit 6.3.1 Terminal assignment WARNING Supply voltage might be connected! Risk of electric shock and/or explosion! ‣ Switch off the supply voltage before connecting the device. WARNING Electrical safety is compromised by an incorrect connection! ‣...

  • Page 27: Connection Conditions

    Preferably use twisted, screened two-wire cable. 6.4.2 Cable specification for transmitter connection • Endress+Hauser recommends using twisted, shielded two-wire cables. • Terminals for core cross-sections 0.5 to 2.5 mm (20 to 14 AWG) • The cable outer diameter depends on the cable entry used.

  • Page 28: Connection Data

    Electrical connection Deltabar FMD71, FMD72 6.4.3 Cable entries Explosion protection Cable gland Permitted cable diameter Permitted wire cross-sections • Standard Plastic M20x1.5 5 to 10 mm (0.2 to 0.39 in) 0.5 to 2.5 mm (20 to 14 AWG) • Ex ia •...

  • Page 29: Post-Connection Check

    Deltabar FMD71, FMD72 Electrical connection R Lmax R Lmax [ ] W [ ] W 1435 1391 1217 1174 Test Test 40 45 40 45 U – 12 V U – 13 V R Lmax R Lmax £ £ 23 mA...

  • Page 30: Operation Options

    Operation options Deltabar FMD71, FMD72 Operation options Operation without operating menu 7.1.1 Position of operating elements Operating keys on the exterior of the device With the T14 housing (aluminum or stainless steel), the operating keys are located either outside of the housing, under the protection cap or inside on the electronic insert. In addition, devices with an onsite display and a 4 to 20 mA HART electronic insert have operating keys on the onsite display.
  • Page 31 Deltabar FMD71, FMD72 Operation options Function of the DIP switches Switch Symbol/ Switch position labeling "off" "on" The device is unlocked. Parameters relevant The device is locked. Parameters to the measured value can be modified. relevant to the measured value cannot A0011978 be modified.

  • Page 32: Operation With An Operating Menu

    Operation options Deltabar FMD71, FMD72 Operation with an operating menu 7.2.1 Operation concept Operation with an operating menu is based on an operation concept with "user roles" . User role Meaning Operator Operators are responsible for the devices during normal "operation". This is usually limited to reading process values either directly at the device or in a control room.

  • Page 33: Operating Options

    Deltabar FMD71, FMD72 Operation options User role Submenu Meaning/use Maintenance Diagnosis Contains all the parameters that are needed to detect and analyze operating errors. This submenu has the following structure: • Diagnostic list Contains up to 10 error messages currently pending.
  • Page 34 Operation options Deltabar FMD71, FMD72 Functions: • 8-digit measured value display including sign and decimal point, bargraph for 4 to 20 mA HART as current display. • Simple and complete menu guidance due to breakdown of parameters into several levels and groups.
  • Page 35 Deltabar FMD71, FMD72 Operation options Display symbols for locking status Symbol Meaning Lock symbol The operation of the device is locked. To unlock device, see "Unlocking/locking configuration" A0011978 section→  42. Display symbols for communication Symbol Meaning Communication symbol Data transfer via communication A0017652 7.5.4...

  • Page 36: Operation Using Endress+Hauser Operating Program

    Operation using Endress+Hauser operating program The FieldCare operating program is an Endress+Hauser asset management tool based on FDT technology. With FieldCare, you can configure all Endress+Hauser devices as well as devices from other manufacturers that support the FDT standard. Hardware and software requirements can be found on the Internet: www.de.endress.com →...

  • Page 37: Direct Access To Parameters

    Deltabar FMD71, FMD72 Operation options FieldCare supports the following functions: • Configuration of transmitters in online/offline mode • Loading and saving device data (upload/download) • Documentation of the measuring point Direct access to parameters The parameters can only be accessed directly via the "Expert" user role.

  • Page 38: Resetting To Factory Settings (Reset)

    Any customer-specific configuration carried out at the factory is not affected by a reset (customer-specific configuration remains). If you want to change the customer- specific configuration carried out at the factory, please contact Endress+Hauser Service. . The factory setting for the individual parameters is specified in the parameter description...
  • Page 39 Deltabar FMD71, FMD72 Operation options Reset code Description and effect PowerUp reset (warm start) • The device is restarted. • Data is read back anew from the EEPROM (process is reinitialized). • Any simulation which may be running is ended.

  • Page 40: Integrating Transmitter Via Hart

    Deltabar FMD71, FMD72 ® Integrating transmitter via HART protocol Integrating transmitter via HART ® protocol Version data for the device Firmware version 01.00.zz • On the title page of the Operating instructions • On the nameplate →  15 • Firmware Version parameter Diagnosis →...

  • Page 41: Device Variables And Measured Values

    Deltabar FMD71, FMD72 ® Integrating transmitter via HART protocol Process variable Pressure Level Linear Table active Third process variable (Tertiary Variable (TV)) (Measured (Measured (Measured pressure LP) pressure HP) pressure HP) Fourth process variable (Quaternary Variable (QV)) (Sensor (Measured (Measured...

  • Page 42: Commissioning

    Commissioning Deltabar FMD71, FMD72 Commissioning NOTICE If a pressure smaller than the minimum permitted pressure or greater than the maximum permitted pressure is present at the device, the following messages are output in succession: ‣ "S140 Working range P LP/HP" or "F140 Working range P LP/HP" (depending on the setting in the "Alarm behav.
  • Page 43 Deltabar FMD71, FMD72 Commissioning WARNING Changing the measuring mode affects the span (URV) This situation can result in product overflow. ‣ If the measuring mode is changed, the setting for the span (URV) must be checked and readjusted if necessary.
  • Page 44 Commissioning Deltabar FMD71, FMD72 • Position adjustment (zero point correction) • Setting the lower and upper pressure value and assigning to the lower or upper level value • To reset the device, see "Function of the operating elements" section, table .

  • Page 45: Commissioning With An Operating Menu

    Deltabar FMD71, FMD72 Commissioning Set the upper pressure value. Desired pressure for upper pressure value ("Full pressure") is present at device.  Press key for at least 3 s. Does the LED on the electronic insert light up briefly? 5 Applied pressure was saved as the upper pressure value The pressure present was not saved as the upper ("Full pressure") and assigned to the upper level value...

  • Page 46: Measuring Mode Selection

    Commissioning Deltabar FMD71, FMD72 9.5.2 Configuring language via operating tool (FieldCare) A0017654-EN Measuring mode selection WARNING Changing the measuring mode affects the span (URV) This situation can result in product overflow. ‣ If the measuring mode is changed, the setting for the span (URV) must be checked in the "Setup"...

  • Page 47: Pressure Unit Selection

    Deltabar FMD71, FMD72 Commissioning Write permission Operator/Service engineers/Expert Description Define which sensor module corresponds to the high-pressure side. Options • Sensor module HP • Sensor module LP Factory setting Sensor module HP Pressure unit selection Press. eng. unit (125) Navigation Setup →...

  • Page 48: Configuring Level Measurement

    Commissioning Deltabar FMD71, FMD72 Pos. zero adjust (007) Navigation Setup → Pos. zero adjust Write permission Operators/Service engineers/Expert Description Position adjustment – the pressure difference between zero (set point) and the measured differential pressure need not be known. Options • Confirm •...
  • Page 49 Deltabar FMD71, FMD72 Commissioning 9.10.2 Overview of level measurement Measuring task Level Measured variable Description Measured value display selection options Calibration is "In Via the "Unit before • Calibration with The measured value performed by pressure" lin. (025)" parameter reference pressure display and the "Level...
  • Page 50 Commissioning Deltabar FMD71, FMD72 Description Select the "Wet" option via the "Calibration mode (027)" parameter. Menu path: Setup → Extended setup → Level → Calibration mode The vessel is filled to the lower calibration point. The pressure here is 0 mbar (0 psi), for example.
  • Page 51 Deltabar FMD71, FMD72 Commissioning 9.10.4 "In pressure" level selection Calibration without reference pressure (dry calibration) Example: In this example, the volume in a tank should be measured in liters. The maximum volume of 1 000 l (264 gal) corresponds to a pressure of 450 mbar (6.53 psi).
  • Page 52 Commissioning Deltabar FMD71, FMD72 Description Select the "Dry" option via the "Calibration mode (027)" parameter. Menu path: Setup → Extended setup → Level → Calibration mode Enter the volume value for the lower calibration point via the "Empty calib. (028)"...
  • Page 53 Deltabar FMD71, FMD72 Commissioning 9.10.5 "In height" level selection Calibration with reference pressure (wet calibration) Example: In this example, the volume in a tank should be measured in liters. The maximum volume of 1 000 l (264 gal) corresponds to a level of 4.5 m (15 ft).
  • Page 54 Commissioning Deltabar FMD71, FMD72 Description Select a level unit via the "Height unit (026)" parameter, here "m" for example. Menu path: Setup → Extended setup → Level → Height unit Select the "Wet" option via the "Calibration mode (027)" parameter.
  • Page 55 Deltabar FMD71, FMD72 Commissioning liters corresponds to a level of 0.5 m (1.6 ft) since the device is mounted below the start of the level measuring range. Prerequisite: • The measured variable is in direct proportion to the pressure. • This is a theoretical calibration i.e. the height and volume values for the lower and upper calibration point must be known.
  • Page 56 Commissioning Deltabar FMD71, FMD72 Description Select the "Dry" option via the "Calibration mode (027)" parameter. Menu path: Setup → Extended setup → Level → Calibration mode Enter the volume value for the lower calibration point via the "Empty calib. (028)"...
  • Page 57 Deltabar FMD71, FMD72 Commissioning During this wet calibration, a level of 20% is used as the calibration point for "Empty" and a level of "80%" is used as the calibration point for "Full". The calibration is then extended to 0% to 100% and lower range-value (LRV)/upper range-value (URV) are adapted accordingly.

  • Page 58: Linearization

    Commissioning Deltabar FMD71, FMD72 9.11 Linearization 9.11.1 Manual entry of a linearization table Example: In this example, the volume in a tank with a conical outlet should be measured in m Prerequisite: • This is a theoretical calibration, i.e. the points for the linearization table are known.
  • Page 59 Deltabar FMD71, FMD72 Commissioning Description Enter the number of the point in the table using the "Line number (039)" parameter e.g. 1. Menu path: Setup → Extended setup → Linearization → Line numb. The level is entered via the "X-value (040)"...
  • Page 60 Commissioning Deltabar FMD71, FMD72 Prerequisite: • The tank can be filled or emptied. The linearization characteristic must rise or fall continuously. • The "Level" measuring mode has been selected. • A level calibration has been performed. • For a description of the parameters mentioned, →  78"Description of parameters".

  • Page 61: Configuring Pressure Measurement

    Deltabar FMD71, FMD72 Commissioning Description Once all the points have been entered in the table, select the "Activate table" option via the "Lin. mode (037)" parameter. Menu path: Setup → Extended setup → Linearization → Lin. mode Result: Result: The measured value after linearization is displayed.
  • Page 62 Commissioning Deltabar FMD71, FMD72 Description Enter and confirm the value (here 300 mbar (4.5 psi)) for the "Set URV (014)" parameter. This pressure value is assigned to the upper current value (20 mA). Result: The measuring range is configured for 0 to +300 mbar (4.5 psi).

  • Page 63: Backing Up Or Duplicating The Device Data

    Deltabar FMD71, FMD72 Commissioning 9.12.2 Calibration with reference pressure (wet calibration) Example: In this example, a device with a 400 mbar (6 psi) sensor module is configured for the 0 to +300 mbar (4.4 psi) measuring range, i.e. the 4 mA value and the 20 mA value are assigned 0 mbar and 300 mbar (4.4 psi) respectively.

  • Page 64: Configuring The Local Display

    DIP switch set to "SW" and "Damping" set to "on". If you download using the factory setting "Configuration copy", all parameters required for a measurement will be downloaded. The functionality of the "Electronics replace" setting is reserved for Endress+Hauser Service and can be accessed only if the correct device access code is entered.

  • Page 65: Diagnostics And Troubleshooting

    Deltabar FMD71, FMD72 Diagnostics and troubleshooting Diagnostics and troubleshooting 10.1 Troubleshooting General errors Problem Possible cause Solution Device is not responding. Supply voltage does not match the Apply correct voltage. value indicated on the nameplate. The polarity of the supply voltage is Correct the polarity.
  • Page 66 Diagnostics and troubleshooting Deltabar FMD71, FMD72 Diagnostic event and event text The fault can be identified by means of the diagnostic event. The event text helps you by providing information on the fault. Diagnostic event Status signal Event number Event text ↓...
  • Page 67 Deltabar FMD71, FMD72 Diagnostics and troubleshooting Diagnostic event Cause Corrective measure Code Description F162 Sensor conn. • Sensor module defective (master). • Check the sensor module • Electromagnetic effects outside the permitted cable range. This message appears for a short time only.
  • Page 68 Diagnostics and troubleshooting Deltabar FMD71, FMD72 "M" messages Diagnostic event Cause Corrective measure Code Description M002 Sens. unknown Sensor module does not suit the device (electronic Contact Endress+Hauser sensor module nameplate). Device continues Service measuring. M283 Memory • Cause as indicated for F283.

  • Page 69: Response Of Output To Errors

    Deltabar FMD71, FMD72 Diagnostics and troubleshooting Diagnostic event Cause Corrective measure Code Description S841 Sensor range • Overpressure or low pressure present. • Check the pressure value • Sensor module defective. • Contact Endress+Hauser Service S945 Pressure limit LP • The configured overpressure or underpressure •...

  • Page 70: Firmware History

    Diagnostics and troubleshooting Deltabar FMD71, FMD72 10.4 Firmware history Date Firmware version Modifications Documentation Operating Instructions Description of Device Parameters 01.2012 01.00.00 Original firmware. BA01044P/00/EN/01.12 GP01013P/00/EN/01.12 Can be operated via FieldCare from version 2.08.00 BA01044P/00/EN/02.12 GP01013P/00/EN/02.12 BA01044P/00/EN/03.12 GP01013P/00/EN/03.12 BA01044P/00/EN/04.12 GP01013P/00/EN/04.12 BA01044P/00/EN/05.17 GP01013P/00/EN/05.17...

  • Page 71: Maintenance

    Keep the pressure compensation and GORE-TEX® filter (1) free from contamination. A0017750 11.1 Information on cleaning Endress+Hauser provides flushing rings as an accessory to enable cleaning of the process isolating diaphragm without removing the transmitter from the process. For further information please contact your local Endress+Hauser Sales Center. 11.2...

  • Page 72: Repairs

    12.1.1 Repair concept The Endress+Hauser repair concept requires for devices to have a modular design and for repairs to be carried out by Endress+Hauser Service or by properly trained customers. Spare parts are grouped into logical kits with the associated replacement instructions.

  • Page 73: Spare Parts

    Endress+Hauser is required to follow certain procedures when handling returned products that have been in contact with a medium. To ensure swift, safe and professional device returns, please read the return procedures and conditions on the Endress+Hauser website www.services.endress.com/return-material ‣...

  • Page 74: Overview Of The Operating Menu

    Overview of the operating menu Deltabar FMD71, FMD72 Overview of the operating menu Depending on the parameter configuration, not all submenus and parameters are available. Information on this can be found in the parameter description under "Prerequisite". Direct access Description Language →...
  • Page 75 Deltabar FMD71, FMD72 Overview of the operating menu Direct access Description Adjust density →  90 Process density →  90 Level before Lin (read only) →  84 Linearization Lin. mode →  91 Unit after lin. →  91 Line number: →...
  • Page 76 Overview of the operating menu Deltabar FMD71, FMD72 Direct access Description Diagnostic 6 (read only) →  100 Diagnostic 7 (read only) →  100 Diagnostic 8 (read only) →  100 Diagnostic 9 (read only) →  100 Diagnostic 10 (read only) →...
  • Page 77 Deltabar FMD71, FMD72 Overview of the operating menu Direct access Description Sim. press. LP →  109 Sim. level →  109 Sim. tank cont. →  109 Sim. current →  110 Sim. error no. →  110 Reset Reset →...

  • Page 78: Description Of Device Parameters

    Description of Device Parameters Deltabar FMD71, FMD72 Description of Device Parameters 14.1 Language Language (000) Navigation Main menu → Language Write permission Operators/Service engineers/Expert Description Select the menu language for the local display. Options • English • Another language (as selected when ordering the device) •...
  • Page 79 Deltabar FMD71, FMD72 Description of Device Parameters Options • No value • Differential pressure • Pressure HP • Pressure LP • Sensor temp. HP • Sensor temp. LP • Level before linearization • Current • Main measured value (%) The options depend on the measuring mode chosen.

  • Page 80: Setup

    Description of Device Parameters Deltabar FMD71, FMD72 Options • Auto • x • x.x • x.xx • x.xxx • x.xxxx • x.xxxxx Factory setting Auto HART input form. (157) Navigation Display/Operat. → HART input form. (157) Write permission Operators/Service engineers/Expert Description Number of decimal places of the displayed input value.
  • Page 81 Deltabar FMD71, FMD72 Description of Device Parameters High press. side (183) Navigation Setup → High press. side (183) Write permission Operators/Service engineers/Expert Description Define which sensor module corresponds to the high-pressure side. Options • Sensor HP • Sensor LP Factory setting Sensor HP Press.
  • Page 82 Description of Device Parameters Deltabar FMD71, FMD72 Navigation Setup → Pos. zero adjust (007) Write permission Operators/Service engineers/Expert Description Position adjustment – the pressure difference between zero (set point) and the measured pressure need not be known. Example • Measured value = 2.2 mbar (0.033 psi) •...
  • Page 83 Deltabar FMD71, FMD72 Description of Device Parameters Note • In the case of wet calibration, the level (vessel full) must actually be available. The associated pressure is then automatically recorded by the device. • In the case of dry calibration, the level (vessel full) does not have to be available. For the "In pressure"...
  • Page 84 Description of Device Parameters Deltabar FMD71, FMD72 Display • Off The output signal is not damped. • On The output signal is damped. The attenuation constant is specified in the "Damping" (017) (184) parameter Factory setting Damping (017)/(184) Navigation Setup → Damping (017)/(184)

  • Page 85: Setup → Extended Setup

    Deltabar FMD71, FMD72 Description of Device Parameters Sensor Sensor trim LP Pressure Corrected Pressure after Measured → calibration LP → → simulation LP pressure damping differential pressure ↓ ↑ ↑ ↑ Differential Position Differential pressure + → adjustment → pressure →...

  • Page 86: Setup → Extended Setup → Level ("Level" Measuring Mode)

    Description of Device Parameters Deltabar FMD71, FMD72 Write permission Operators/Service engineers/Expert Description Use this function to enter a code to lock or unlock operation. • To lock: Enter a number ¹ the release code (value range: 1 to 9999). User entry •...
  • Page 87 Deltabar FMD71, FMD72 Description of Device Parameters Options • % • mm, cm, dm, m • ft, in • m , in • l, hl • ft • gal, Igal • kg, t • lb Note The unit selected is only used to describe the measured value. This means that when selecting a new output unit, the measured value is not converted.
  • Page 88 Description of Device Parameters Deltabar FMD71, FMD72 Factory setting Empty calib. (011/028) Navigation Setup → Extended setup → Level → Empty calib. (011/028) Write permission Operators/Service engineers/Expert Description Enter the output value for the lower calibration point (vessel empty). The unit defined in "Unit before lin."...
  • Page 89 Deltabar FMD71, FMD72 Description of Device Parameters Prerequisite • "Level selection" = "In height" • "Calibration mode" = Dry -> entry • "Calibration mode" = Wet -> display Factory setting Full calib. (012/031) Navigation Setup → Extended setup → Level → Full calib. (012/031)
  • Page 90 Description of Device Parameters Deltabar FMD71, FMD72 Prerequisite • "Level selection" = "In height" • "Calibration mode" = Dry -> entry • "Calibration mode" = Wet -> display Factory setting URL is converted to a level unit Adjust density (034) Navigation Setup →...

  • Page 91: Setup → Extended Setup → Linearization

    Deltabar FMD71, FMD72 Description of Device Parameters 14.6 Setup → Extended Setup → Linearization Lin. mode (037) Navigation Setup → Extended setup → Linearization → Lin. mode (037) Write permission Operators/Service engineers/Expert Description Select the linearization mode. Options • Linear The level is output without being converted beforehand.
  • Page 92 Description of Device Parameters Deltabar FMD71, FMD72 Line number (039) Navigation Setup → Extended setup → Linearization → Line number (039) Write permission Operators/Service engineers/Expert Description Enter the number of the current point in the table. The subsequent entries in "X-value" and "Y-value"...

  • Page 93: Setup → Extended Setup → Current Output

    Deltabar FMD71, FMD72 Description of Device Parameters Options • Next point: Enter the next point. • Current point: Stay on the current point to correct a mistake, for example. • Last point: Skip back to the previous point to correct a mistake, for example.
  • Page 94 Description of Device Parameters Deltabar FMD71, FMD72 Description Set current output if sensor module limits are exceeded or not reached. Options • Warning The device continues to measure. An error message is displayed. • Alarm The output signal assumes a value that can be defined by the "Output fail mode (190)/ (051)"...
  • Page 95 Deltabar FMD71, FMD72 Description of Device Parameters Navigation Setup → Extended setup → Current output → High alarm curr. (052) Write permission Operators/Service engineers/Expert Description Enter the current value for maximum alarm current. See also "Output fail mode". Input range...
  • Page 96 Description of Device Parameters Deltabar FMD71, FMD72 Factory setting Cancel Set LRV (013, 056, 166, 168) Navigation Setup → Set LRV (013, 056, 166, 168) Setup → Extended setup → Current output → Set LRV (013, 056, 166, 168) Write permission...

  • Page 97: Diagnostics

    Deltabar FMD71, FMD72 Description of Device Parameters 14.8 Diagnostics Diagnostic code (071) Navigation Diagnosis → Diagnostic code (071) Write permission No write permissions. Parameter is read only. Description Displays the diagnostic message with the highest priority currently present. Last diag. code (072) Navigation Diagnosis →...
  • Page 98 Description of Device Parameters Deltabar FMD71, FMD72 Max. meas. press. (074) Navigation Diagnosis → Sensor HP → Max. meas. press. (074) Write permission No write permissions. Parameter is read only. Description Displays the highest pressure value measured (peakhold indicator). You can reset this indicator by means of the "Reset peakhold"...

  • Page 99: 14.10 Diagnosis → Sensor Lp

    Deltabar FMD71, FMD72 Description of Device Parameters 14.10 Diagnosis → Sensor LP Min. meas. press. (266) Navigation Diagnosis → Sensor LP → Min. meas. press. (266) Write permission No write permissions. Parameter is read only. Description Displays the lowest pressure value measured (peakhold indicator). You can reset this indicator by means of the "Reset peakhold"...

  • Page 100: 14.11 Diagnostic → Diagnostic List

    Description of Device Parameters Deltabar FMD71, FMD72 Min. meas.temp. (270) Navigation Diagnosis → Sensor LP → Min. meas.temp. (270) Write permission No write permissions. Parameter is read only. Description Displays the smallest temperature measured in the sensor module. You can reset this value using the "Reset peakhold (161)"...

  • Page 101: 14.13 Diagnosis → Instrument Info

    Serial number (096) Navigation Diagnosis → Instrument info → Serial number (096) Write permission Parameter is read only. Only Endress+Hauser Service has write permission. Description Displays the serial number of the device (11 alphanumeric characters). Ext. order code (097) Navigation Diagnosis →...
  • Page 102 Description of Device Parameters Deltabar FMD71, FMD72 Write permission Parameter is read only. Only Endress+Hauser Service has write permission. Description Displays extended order number. Factory setting According to order specifications Order code (098) Navigation Diagnosis → Instrument info → Order code (098) Write permission Parameter is read only.
  • Page 103 Deltabar FMD71, FMD72 Description of Device Parameters Description Displays the ENP version (ENP = electronic nameplate) Config. counter (100) Navigation Diagnosis → Instrument info → Config. counter (100) Write permission Operators/Service engineers/Expert Description Displays the configuration counter. This counter is increased by one every time a parameter or group is changed. The counter counts up to 65535 and then starts again at zero.

  • Page 104: 14.14 Diagnosis → Sens. Limit Hp

    Description of Device Parameters Deltabar FMD71, FMD72 14.14 Diagnosis → Sens. limit HP LRL sensor (101) Navigation Diagnosis → Instrument info → Sens. limit HP → LRL sensor (101) Write permission No write permissions. Parameter is read only. Description Displays the lower-range limit of the sensor module.

  • Page 105: 14.16 Diagnosis → Measured Values

    Deltabar FMD71, FMD72 Description of Device Parameters 14.16 Diagnosis → Measured Values Level before lin. (019) Navigation Setup → Level before lin. (019) Setup → Extended setup → Level→ Level before lin. (019) Diagnosis → Measured values→ Level before lin. (019) Write permission No write permissions.
  • Page 106 Description of Device Parameters Deltabar FMD71, FMD72 ↓ ↓ Sensor Measured pressure HP pressure HP Sensor pressure HP (109) Navigation Diagnosis → Measured Values → Sensor press. HP (109) Write permission No write permissions. Parameter is read only. Description Displays the measured pressure before the sensor trim.

  • Page 107: 14.17 Diagnosis → Simulation

    Deltabar FMD71, FMD72 Description of Device Parameters Navigation Setup → Corrected press. (172) Diagnosis → Measured values → Corrected press. (172) Write permission No write permissions. Parameter is read only.6 Description Displays the measured differential pressure after position adjustment. Sensor temp. HP (110) Navigation Diagnosis →...
  • Page 108 Description of Device Parameters Deltabar FMD71, FMD72 Factory setting None Simulation Measured pressure LP pressure LP ↓ ↑ Corrected Simulation Processing → → pressure differential Sensor LP measurement pressure ↓ ↑ ↓ Position adjustment + pressure Pressure → → →...
  • Page 109 Deltabar FMD71, FMD72 Description of Device Parameters Description Enter the simulation value. See also "Simulation mode". Prerequisite "Simulation mode" = Differential pressure Value at switch-on Current differential pressure measured value Sim. press. HP (284) Navigation Diagnosis → Simulation → Sim. press. HP (284)

  • Page 110: 14.18 Diagnosis → Reset

    Description of Device Parameters Deltabar FMD71, FMD72 Navigation Diagnosis → Simulation → Sim. tank cont. (116) Write permission Operators/Service engineers/Expert Description Enter the simulation value. See also "Simulation mode". Prerequisite "Measuring Mode" = level, Lin mode "Activate table" and "Simulation Mode" = Tank content...
  • Page 111 Deltabar FMD71, FMD72 Description of Device Parameters Factory setting Endress+Hauser...

  • Page 112: Technical Data

    Technical data Deltabar FMD71, FMD72 Technical data 15.1 Input 15.1.1 Measured variable Measured process variables • Pressure HP and Pressure LP • Sensor temperature HP and sensor temperature LP • Transmitter temperature Calculated process variables • Differential pressure • Level (level, volume or mass) 15.1.2...
  • Page 113 Deltabar FMD71, FMD72 Technical data Sensor Maximum sensor measuring range Vacuum resistance Option lower (LRL) upper (URL) [bar (psi [bar (psi [bar (psi [bar (psi [bar (psi 10 bar (150 psi) +10 (+150) 26.7 (400.5) 40 (600) 40 bar (600 psi)
  • Page 114 Technical data Deltabar FMD71, FMD72 15.1.3 FMD72: measuring range of individual sensors The maximum span of the differential pressure corresponds to the URL of the HP sensor. Gauge pressure Sensor Maximum sensor measuring range Vacuum resistance Option lower (LRL) upper (URL)

  • Page 115: Output

    Deltabar FMD71, FMD72 Technical data 15.2 Output 15.2.1 Output Signal 4 to 20 mA with superimposed digital communication protocol HART 6.0, 2-wire 15.2.2 Signal range 4 to 20 mA 3.8 mA to 20.5 mA 15.2.3 Signal on alarm 4 to 20 mA As per NAMUR NE43 •...
  • Page 116 • Acyclic: max. 3/s, typical 1/s (depends on command # and number of preambles) • Cyclic (Burst): max. 3/s, typical 2/s The Deltabar FMD71/FMD72 offers BURST MODE functionality for cyclical value transmission via the HART communication protocol. Cycle time (update time) Cyclic (burst): min.
  • Page 117 Deltabar FMD71, FMD72 Technical data 15.2.10 Protocol-specific data Manufacturer ID 17 (0x11) Device type ID 39 (0x27) HART specification Device description files (DTM, DD) Information and files can be found: • www.endress.com • www.fieldcommgroup.org HART device variables Measured values for PV (primary variable) •...

  • Page 118: Performance Characteristics Of Ceramic Process Isolating Diaphragm

    Technical data Deltabar FMD71, FMD72 15.3 Performance characteristics of ceramic process isolating diaphragm 15.3.1 Reference operating conditions • As per IEC 60770 • Ambient temperature T = constant, in the range of:+21 to +33 °C (+70 to +91 °F) • Humidity j= constant, in the range of: 5 to 80 % RH •...
  • Page 119 Deltabar FMD71, FMD72 Technical data 15.3.5 Application limits A high ratio between the level and head pressure or between the differential pressure and static pressure can result in large measured errors. A maximum ratio of 1:10 is recommended. For calculation purposes, please use the free "Applicator" calculation tool, which is available online at "www.endress.com/applicator"...
  • Page 120 Technical data Deltabar FMD71, FMD72 15.3.6 Reference accuracy The reference accuracy contains the non-linearity [DIN EN 61298-2 3.11] including the pressure hysteresis [DIN EN 61298-23.13] and non-repeatability [DIN EN 61298-2 3.11] in accordance with the limit point method as per [DIN EN 60770].
  • Page 121 40 bar (600 psi) Diff TP [%] Diff Diff A0016471 The "Applicator Sizing Electronic dp" selection tool, available free of charge on the Endress+Hauser web site (www.endress.com/applicator), enables detailed calculations for your respective applications. 15.3.9 Long-term stability Measuring ranges Sensor Standard version...
  • Page 122 Technical data Deltabar FMD71, FMD72 Measuring ranges Sensor Standard version Calculated long-term stability (L Diff of the differential pressure 1 year 10 years % of URL for every sensor 1 bar (15 psi) Gauge pressure L = ±0.05 L = ±0.2 2 bar (30 psi) L = ±0.1...

  • Page 123: Performance Characteristics Of Metallic Process Isolating Diaphragm

    Deltabar FMD71, FMD72 Technical data 15.4 Performance characteristics of metallic process isolating diaphragm 15.4.1 Reference operating conditions • As per IEC 60770 • Ambient temperature T = constant, in the range of +21 to +33 °C (+70 to +91 °F) •...
  • Page 124 Technical data Deltabar FMD71, FMD72 15.4.4 Vibration effects Test standard Vibration effects IEC 61298-3 ≤ Reference accuracy up to 10 to 60 Hz: ±0.35 mm (±0.01 in); 60 to 500 Hz: 2 g 15.4.5 Application limits A high ratio between the level and head pressure or between the differential pressure and static pressure can result in large measured errors.
  • Page 125 Deltabar FMD71, FMD72 Technical data 15.4.6 Reference accuracy The reference accuracy contains the non-linearity [DIN EN 61298-2 3.11] including the pressure hysteresis [DIN EN 61298-23.13] and non-repeatability [DIN EN 61298-2 3.11] in accordance with the limit point method as per [DIN EN 60770].
  • Page 126 TP [%] Diff Diff A0016471 For hygienic process connections The "Applicator Sizing Electronic dp" selection tool, available free of charge on the Endress+Hauser web site (www.endress. com/applicator), enables detailed calculations for your respective applications. 15.4.9 Long-term stability 1 year 5 years...
  • Page 127 Deltabar FMD71, FMD72 Technical data 15.4.10 Total error The total error comprises the total performance and long-term stability. All specifications apply to the temperature range –10 to +60 °C (+14 to +140 °F). Measuring cell % of URL/year for every sensor...

  • Page 128: Environment

    Technical data Deltabar FMD71, FMD72 15.5 Environment 15.5.1 Ambient temperature range • Without onsite display: –40 to +80 °C (–40 to +176 °F) • With onsite display: –20 to +70 °C (–4 to +158 °F) Extended temperature operation range with limitations in optical properties, such as display speed and contrast.

  • Page 129: Process

    Deltabar FMD71, FMD72 Technical data 15.6 Process 15.6.1 Process temperature range for devices with ceramic process isolating diaphragm FMD71 • Thread and flanges: –25 to +125 °C (–13 to +257 °F) • Hygienic connections:–25 to +130 °C (–13 to +266 °F) , 150 °C (302 °F) for a maximum of 60 minutes •...

  • Page 130: Additional Technical Data

    Technical data Deltabar FMD71, FMD72 15.6.2 Process temperature range for devices with metallic process isolating diaphragm FMD72 Device Limits Process connections with internal process isolating –40 to +125 °C (–40 to +257 °F) diaphragm Process connections with flush-mounted process isolating –40 to +100 °C (–40 to +212 °F)

  • Page 131: Index

    Deltabar FMD71, FMD72 Index Index 0 … 9 Display mode (001) ......78 Display module contrast ..... . 34 2nd disp.
  • Page 132 Index Deltabar FMD71, FMD72 LRL sensor (272) ......104 Sim. current (117) ......110 Sim.
  • Page 134 *71376028* 71376028 www.addresses.endress.com...

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