Endress+Hauser Deltabar S FMD77 Operating Instructions Manual
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Endress+Hauser Deltabar S FMD77 Operating Instructions Manual

Endress+Hauser Deltabar S FMD77 Operating Instructions Manual

Differential pressure measurement
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BA00294P/00/EN/20.22
71556691
2022-05-04
Valid as of software version:
04.01.zz
Products
Operating Instructions
Deltabar S FMD77, FMD78,
PMD75
Differential pressure measurement
PROFIBUS PA
Solutions
Services

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  • Page 1 Products Solutions Services BA00294P/00/EN/20.22 71556691 2022-05-04 Valid as of software version: 04.01.zz Operating Instructions Deltabar S FMD77, FMD78, PMD75 Differential pressure measurement PROFIBUS PA...
  • 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 this manual. Endress+Hauser...

  • Page 3: Table Of Contents

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Contents About this document ....4 Scaling OUT value ......77 7.10 System units (SET UNIT TO BUS) .

  • Page 4: About This Document

    About this document Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA About this document Document function These Operating Instructions contain all the information that is required in the 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 5: Symbols For Certain Types Of Information

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA About this document 1.2.4 Symbols for certain types of Information Symbol Meaning Permitted Indicates procedures, processes or actions that are allowed. A0011182 Not permitted Indicates procedures, processes or actions that are forbidden.

  • Page 6: Basic Safety Instructions

    The manufacturer is not liable for damage caused by improper or unintended use. Clarification for borderline cases: In the case of special fluids and fluids used for cleaning, Endress+Hauser is glad to provide assistance in clarifying the corrosion resistance of wetted materials, but does not accept any warranty or liability.

  • Page 7: Hazardous Area

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

  • Page 8: Identification

    Identification Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Identification Product identification The measuring instrument can be identified in the following ways: • Nameplate specifications • Order code with breakdown of the device features on the delivery note • Enter the serial number from the nameplates in W@M Device Viewer (www.endress.com/deviceviewer): All the information about the measuring instrument is...

  • Page 9: Ce Mark, Declaration Of Conformity

    The device complies with the applicable standards and regulations as listed in the EC declaration of conformity and thus complies with the statutory requirements of the EC Directives. Endress+Hauser confirms the successful testing of the device by affixing to it the CE mark.

  • Page 10: Mounting

    Mounting Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Mounting NOTICE Incorrect handling! Damage to the device! ‣ The removal of the screws with item number (1) is not permissible under any circum- stances and will void the warranty. A0025336 Incoming acceptance, storage 4.1.1...

  • Page 11: Installation Instructions

    • To ensure optimum readability of the onsite display, it is possible to rotate the housing by up to 380°. → ä 23, Chap. 4.3.9 "Rotating the housing". • Endress+Hauser offers a mounting bracket for installing on pipes or walls. → ä 20, Chap. 4.3.7 "Wall and pipe mounting (optional)".
  • Page 12 Mounting Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Flow measurement in steam with PMD75 ➀ ➁ ➂ ➂ ➃ – ➄ ➄ ➅ ➅ ➆ P01-PMD75xxx-11-xx-xx-xx-001 Fig. 2: Measuring layout for flow measurement in steam with PMD75 Condensate traps...
  • Page 13 Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Mounting 4.3.2 Installation for level measurement Level measurement in an open container with PMD75 ➀ min. ➁ ➃ ➄ ➂ P01-PMD75xxx-11-xx-xx-xx-003 Fig. 4: Measuring layout for level measurement in an open container with PMD75...
  • Page 14 Mounting Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Level measurement in a closed container with PMD75 – ➀ max. ➀ min. ➁ ➂ ➂ ➃ ➃ ➄ P01-PMD75xxx-11-xx-xx-xx-004 Fig. 6: Measuring layout for level measurement in a closed container with PMD75...
  • Page 15 Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Mounting Level measurement in a closed container with FMD78 – max. ➀ min. P01-FMD78xxx-11-xx-xx-xx-000 Fig. 8: Measuring layout for level measurement in a closed container with FMD78 Deltabar S, FMD78 here • Mount the Deltabar S below the lower diaphragm seal. → ä 18, Chap. 4.3.4 "Installation instructions for devices with diaphragm seals (FMD78)".
  • Page 16 Mounting Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Level measurement in a closed container with superimposed steam with FMD77 – max. min. A0024162 Fig. 10: Measuring layout for level measurement in a container with superimposed steam with FMD77 Condensate trap...
  • Page 17 Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Mounting Differential pressure measurement in liquids with PMD75 ➀ ➁ ➁ – ➂ ➃ ➃ ➄ ➄ ➅ P01-PMD75xxx-11-xx-xx-xx-007 Fig. 12: Measuring layout for differential pressure measurement in liquids with PMD75 E.g. filter...

  • Page 18: Installation Instructions For Devices With Diaphragm Seals (Fmd78)

    Mounting Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA 4.3.4 Installation instructions for devices with diaphragm seals (FMD78) • Please note that the hydrostatic pressure of the liquid columns in the capillaries can cause zero point shift. The zero point shift can be corrected.

  • Page 19: Seal For Flange Mounting

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Mounting 4.3.5 Seal for flange mounting NOTICE Incorrect measurement results. The seal is not allowed to press against the process membrane as this could affect the mea- surement result. ‣ Ensure that the seal is not touching the process membrane.

  • Page 20: Wall And Pipe Mounting (Optional)

    Mounting Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA 4.3.7 Wall and pipe mounting (optional) Endress+Hauser offers the following mounting brackets to install the device on pipes or walls: Standard version Heavy-duty version A0031326 A0031327 The standard mounting bracket version is not suitable for use in an application subject to vibrations.
  • Page 21 Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Mounting NOTICE Incorrect handling! Damage to the device! ‣ The removal of the screws with item number (1) is not permissible under any circum- stances and will void the warranty. A0025335 Endress+Hauser...

  • Page 22: Assembling And Mounting The "Separate Housing" Version

    Mounting Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA 4.3.8 Assembling and mounting the "separate housing" version r ³ 120 mm P01-xMD7xxxx-11-xx-xx-xx-011 Fig. 16: "Separate housing" version In the "separate housing" version, the sensor is supplied with process connection and cable fitted.

  • Page 23: Rotating The Housing

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Mounting 4.3.9 Rotating the housing The housing can be rotated by up to 380° by loosening the setscrew. A0019996 1. T14 housing: loosen the setscrew with a 2 mm (0.08 in) Allen key.

  • Page 24: Post-Installation Check

    Mounting Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Post-installation check After installing the device, carry out the following checks: • Are all screws firmly tightened? • Are the housing covers screwed down tight? • Are all locking screws and vent valves firmly tightened?

  • Page 25: Wiring

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Wiring Wiring Connecting the device WARNING Risk of electric shock! If the operating voltage is > 35 VDC: Dangerous contact voltage at terminals. ‣ In a wet environment, do not open the cover if voltage is present.

  • Page 26: Connecting The Measuring Unit

    Wiring Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA 5.1.1 Connection of devices with M12 plug PIN assignment for M12 plug Meaning Signal + Not used Signal – Ground A0011175 5.1.2 Connection of devices with 7/8" plug PIN assignment for 7/8" plug Meaning Signal –...

  • Page 27: Overvoltage Protection (Optional)

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Wiring 5.2.4 Cable specification • Use a twisted, shielded twin-core cable, preferably cable type A. • Outer cable diameter: 5 to 9 mm (0.2 to 0.35 in) For further information on the cable specifications, see Operating Instructions BA00034S "Guidelines for planning and commissioning PROFIBUS DP/PA", PNO Guideline 2.092...

  • Page 28: Operation

    Operation Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Operation Feature 20 "Output; operation" in the order code provides you with information on the oper- ating options available to you. Version in the order code Operation PROFIBUS PA; external and LCD...
  • Page 29 Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Operation The following table illustrates the symbols that can appear on the onsite display. Four sym- bols may appear at the same time. Symbol Meaning Alarm symbol – Symbol flashing: warning, device continues measuring.

  • Page 30: Operating Elements

    Operation Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Operating elements 6.2.1 Position of operating elements In the case of the aluminum housing (T14/T15) and stainless steel housing (T14), the oper- ating key is located either under the protective cap on the exterior of the device or inside on the electronic insert.

  • Page 31: Function Of Operating Elementsonsite Display Not Connected

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Operation 6.2.2 Function of operating elements – onsite display not connected Operating elements Meaning – Position adjustment (zero point correction): Press key for at least 3 seconds. The LED on the electronic insert lights up briefly if the pressure applied has been accepted for position adjustment.
  • Page 32 Operation Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA 6.2.3 Function of operating elements – onsite display connected Operating key(s) Meaning – Navigate upwards in the picklist – Edit the numerical values or characters within a function – Navigate downwards in the picklist –...

  • Page 33: Profibus Pa Communication Protocol

    6.3.2 Number of devices • The Endress+Hauser Deltabar S devices meet the requirements of the FISCO model. • Due to the low current consumption, the following can be operated at one bus segment when installation is performed according to FISCO: Up to HW Version 1.10:...
  • Page 34 Operation You can obtain special configuration and operating programs from various manufacturers for the configuration, such as the FieldCare operating program from Endress+Hauser (→ ä 58, "FieldCare"). You can use this operating program to configure the PROFIBUS PA and the device-specific parameters. The predefined function blocks allow uniform access to network and device data.

  • Page 35: Smart Device Management (Automatic Smart Device Management)

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Operation Table of the identification numbers: Value for "IDENT Identification Selection text Status Diagnosis NUMBER SEL" number 0x9700 0x9700 Classic status / New diagnostic messages (Profile-specific 3.x) Condensed status 0x1504 0x1504 Classic status...

  • Page 36: Device Identification And Addressing

    Operation Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA 6.3.5 Device identification and addressing Note the following: • An address must be assigned to every PROFIBUS PA device. Only when the address is con- figured correctly will the measuring instrument be recognized by the control system/ master.
  • Page 37 Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Operation Setting a new address via FieldCare. DIP switch 8 (SW/HW) is set to "On" (SW): Using the "Device Operation" menu → select the "Connect" option. The "Open Connection Wizard" screen is displayed.

  • Page 38: System Integration

    Each device receives an ID number from the Profibus User Organization (PNO). The name of the Device Master File (GSD) is derived from this. For Endress+Hauser, this ID No. starts with the manufacturer ID "15xx". The Profile 3.02 GSD file with the "Condensed status" option is only compatible with SW 04.01.zz and must be imported individually into the configuration tool.
  • Page 39 Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Operation The Device Master Files (GSD) for Endress+Hauser devices can be acquired in the following manner: • Endress+Hauser website: http://www.endress.com → Download → Search for "GSD" • Internet PNO: http://www.profibus.com (Products – Product Guide) •...

  • Page 40: Cyclic Data Exchange

    Operation Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA 6.3.7 Cyclic data exchange Deltabar S block model Measured variable Sensor Display Physical Block with scaling Device-specific characteristics, Signal evaluation e.g. software revision SEL. DISPLAY VAL. PA Input value Main Process...

  • Page 41: Parameter Description

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Operation Parameter description Parameter name Description OUT VALUE This parameter shows the digital output value of the Analog Input Block. Menu path FieldCare: PROFILE VIEW → ANALOG INPUT BLOCK → AI PARAMETER Menu path onsite display: GROUP SELECTION →...
  • Page 42 Operation Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Modules for the cyclic data diagram Deltabar S makes the following modules available for the cyclic data diagram: • Main Process Value Depending on the operating mode selected, a pressure or level value is transmitted here.
  • Page 43 Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Operation Status codes Deltabar S supports the "Condensed status" function as defined in the PNO specification. However, the "Classic" status is also supported to ensure compatibility with older devices in the S series and due to the profile-specific identification number ("0x9700").
  • Page 44 Operation Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Status Device status Meaning Output value code (OUT value) CYCLIC CYCLIC (Analog Input) VALUE VALUE 1000 GOOD Alarm limit - limit value exceeded 1101 1000 GOOD Alarm limit - limit value undershot 1110 Only if the analog input failure behavior = 2 ("Status BAD")

  • Page 45: Acyclic Data Exchange

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Operation 6.3.8 Acyclic data exchange Acyclic data exchange is used: • To transmit device parameters during commissioning and maintenance • To display measured variables not contained in the cyclic data diagram. Using acyclic data exchange, device parameters can be modified even when the device is involved in cyclic data exchange with a PLC.

  • Page 46: Slot/Index Tables

    Operation Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA 6.3.9 Slot/index tables The device parameters are listed in the following tables. You can access the parameters by means of the slot and index number. The individual blocks each contain standard parame- ters, block parameters and manufacturer-specific parameters.
  • Page 47 Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Operation Physical Block Parameter Slot Index Object type Data type Size (byte) Storage Class Read Write Physical Block standard parameters BLOCK OBJECT Record DS-32 STATIC REVISION NO. Simple Unsigned16 Simple Visible String...
  • Page 48 Operation Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Parameter Slot Index Object type Data type Size (byte) Storage Class Read Write PCB TEMPERATURE Simple Float Allowed Min.TEMP Simple Float Allowed Max. TEMP Simple Float PCB COUNT T>Tmax Simple Unsigned16 PCB MAX.
  • Page 49 Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Operation Transducer Block Parameter Slot Index Object type Data type Size (byte) Storage Class Read Write Transducer Block standard parameters BLOCK OBJECT Record DS-32 STATIC REVISION NO. Simple Unsigned16 Simple Visible String...
  • Page 50 Operation Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Parameter Slot Index Object type Data type Size (byte) Storage Class Read Write COUNTER T<Tmin Simple Unsigned16 MEAS. VAL. TREND Simple Unsigned8 TOTALIZER 1 Simple Visible String TOTAL. 1 OVERFLOW Simple...
  • Page 51 Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Operation Parameter Slot Index Object type Data type Size (byte) Storage Class Read Write HI TRIM MEASURED Simple Float PERCENT UNIT Simple Unsigned16 X-VAL: Simple Float Y-VAL: Simple Float MASS FLOW UNIT...

  • Page 52: Data Format

    Operation Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA 6.3.10 Data format In the case of PROFIBUS PA, the cyclic transmission of analog values to the PLC is effected in data blocks 5 bytes long. The measured value is portrayed in the first 4 bytes in the form of floating point numbers in accordance with IEEE standard.

  • Page 53: Onsite Operationonsite Display Connected

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Operation Onsite operation – onsite display connected If the onsite display is connected, the three operating keys are used to navigate through the operating menu, → ä 32, Chap. 6.2.3 "Function of operating elements – onsite display connected".

  • Page 54: Selecting An Option

    Operation Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA 6.4.2 Selecting an option Example: select "English" as the language of the menu. Onsite display Operation "German" has been selected as the menu language. A  in front of the menu text indicates the option that is currently active.

  • Page 55: Example: Performing Position Adjustment

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Operation Onsite display Operation Use "E" to save the new value and exit editing mode. →See next graphic. P01-xxxxxxxx-19-xx-xx-xx-031 The new value for the damping is now 30.0 s. – Jump to the next parameter with "E".

  • Page 56: Historom®/M-Dat (Optional)

    Operation Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA ® HistoROM /M-DAT (optional) NOTICE Device could be destroyed! ® Detach the HistoROM /M-DAT module from the electronic insert or attach it to the insert in a de-energized state only. ®...
  • Page 57 Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Operation Disconnect device from the supply voltage again. Detach memory module. Re-establish the supply voltage to the device. ® Copying configuration data from a HistoROM /M-DAT to a device: Operation must be unlocked.

  • Page 58: Fieldcare

    FieldCare FieldCare 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 man- ufacturers that support the FDT standard. You can find hardware and software requirements on the Internet: www.endress.com →...

  • Page 59: Factory Setting (Reset)

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Operation 6.7.1 Locking/unlocking operation locally via DIP switch ➀ ➁ ➂ Zero Display Sensor S D A 0 1 2 3 4 5 6 7 8 Address HW-Version: SW-Version: – P01-xxxxxxxx-19-xx-xx-xx-111 Fig. 26: DIP switch position "Hardware locking"...
  • Page 60 Operation Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Reset code Description and effect 1 or 40864 Total reset – This reset resets the following parameters: – POSITION ADJUSTMENT function group – BASIC SETUP function group – EXTENDED SETUP function group –...

  • Page 61: Commissioning

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Commissioning Commissioning The device is configured for the "Pressure" measuring mode as standard. The measuring range and the unit in which the measured value is transmitted, as well as the digital output value of the Analog Input Block OUT, correspond to the data on the nameplate.

  • Page 62: Commissioning Via Class 2 Master (Fieldcare)

    Commissioning Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Commissioning via Class 2 master (FieldCare) The procedure for commissioning and operating the FieldCare program is described in the integrated FieldCare online help. Proceed as follows to commission the device: Check the hardware write protection on the electronic insert (→ ä 58, Chap. 6.7 "Locking/unlocking operation").

  • Page 63: Digital Communication

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Commissioning 7.4.2 Digital communication In digital communication, the MEASURING MODE parameter is displayed in the QUICK SETUP menus and in the BASIC SETUP function group (OPERATING MENU → SETTINGS → BASIC SETUP).

  • Page 64: Position Adjustment

    Commissioning Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Position adjustment Due to the orientation of the device, there may be a shift in the measured value, i.e. when the vessel is empty or partly filled, the measured value does not display zero. There are three ways to perform position adjustment.

  • Page 65: Flow Measurement

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Commissioning Flow measurement 7.6.1 Preliminaries • The Deltabar S PMD75 is usually used for flow measurement. • Before calibrating the Deltabar S, the impulse piping must be cleaned and filled with fluid.
  • Page 66 Commissioning Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA 7.6.2 Information on flow measurement In the "Flow" measuring mode, the device determines a volume or mass flow value from the differential pressure measured. The differential pressure is generated by means of primary devices such as pitot tubes or orifice plates and depends on the volume or mass flow.
  • Page 67 Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Commissioning 7.6.3 Quick Setup menu for the Flow measuring mode MEASURED VALUE GROUP SELECTION LANGUAGE MEASURING MODE QUICK SETUP QUICK SETUP MANUFACTOR VIEW PROFILE VIEW Pressure Level Flow OPERATING MENU POS. ZERO ADJUST MAX FLOW MAX.

  • Page 68: Level Measurement

    Commissioning Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Level measurement 7.7.1 Preliminaries Open container • The Deltabar S PMD75 and FMD77 are suitable for level measurement in an open con- tainer. • FMD77: the device is ready for calibration immediately after opening a shut-off valve (may or may not be present).
  • Page 69 Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Commissioning Closed container • All Deltabar S versions are suitable for level measurement in closed containers. • FMD77: the device is ready for calibration immediately after opening the shut-off valves (may or may not be present).
  • Page 70 Commissioning Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Closed container with superimposed steam • All Deltabar S versions are suitable for level measurement in containers with superim- posed steam. • FMD77: the device is ready for calibration immediately after opening the shut-off valves (may or may not be present).
  • Page 71 Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Commissioning 7.7.2 Information on level measurement • There is a Quick Setup menu for each of the measuring modes Pressure, Level and Flow which guides you through the most important basic functions. → See Page 73 for the "Level"...
  • Page 72 Commissioning Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA 7.7.3 Overview of level measurement Measuring task LEVEL SELECTION/ Measured Description Note Measured value display LEVEL MODE variable options The measured variable is LEVEL SELECTION: Via OUTPUT UNIT – Calibration with refer- –...

  • Page 73: Quick Setup Menu For The Level Measuring Mode

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Commissioning 7.7.4 Quick Setup menu for the Level measuring mode • Some parameters are only displayed if other parameters are appropriately configured. For example, the EMPTY CALIB. parameter is only displayed in the following cases: –...
  • Page 74 Commissioning Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Onsite operation FieldCare POS. ZERO ADJUST POS. ZERO ADJUST Due to the orientation of the device, there may be a Due to the orientation of the device, there may be a shift in the measured value.

  • Page 75: Differential Pressure Measurement

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Commissioning Differential pressure measurement 7.8.1 Preliminaries • The Deltabar S PMD75 and FMD78 are usually used for differential pressure measure- ment. • FMD78: the device is ready for calibration immediately. • PMD75: before calibrating the device, the impulse piping must be cleaned and filled with fluid.
  • Page 76 Commissioning Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA 7.8.2 Information on differential pressure measurement • There is a Quick Setup menu for each of the measuring modes Pressure, Level and Flow which guides you through the most important basic functions. You use the setting in the MEASURING MODE parameter to specify which Quick Setup menu should be displayed.

  • Page 77: Scaling Out Value

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Commissioning Onsite operation FieldCare DAMPING VALUE DAMPING VALUE Enter damping time (time constant τ). The damping Enter damping time (time constant τ). The damping affects the speed at which all subsequent elements,...

  • Page 78: System Units (Set Unit To Bus)

    Commissioning Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA • When the measuring mode is changed, no conversion takes place. The device has to be recalibrated if the measuring mode is changed. • Using the SET UNIT TO BUS parameter (menu path: TRANSMITTER INFO → PA DATA) select "Confirm"...

  • Page 79: Maintenance

    Maintenance Deltabar S requires no maintenance. Cleaning instructions Endress+Hauser provides flushing rings as an accessory to enable cleaning of the process membrane without removing the transmitter from the process. For further information, please contact your local Endress+Hauser Sales Center. 8.1.1...

  • Page 80: Troubleshooting

    → For the error messages, see Page 88, Section 8.1.1 "Onsite display error messages". • For support and further information, please contact Endress+Hauser Service. • → See also Section 8.4, 8.5 and 8.6. • The PROFIBUS status is updated depending on the message type, or depending on the set- ting for flexible alarms.
  • Page 81 Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Troubleshooting Code Corresponds Message Message/description Cause Measure Pri- to NA 64 category ority NE 107 110 (A110) Alarm Failure (F) F>Checksum error in – The supply voltage is disconnected – Reestablish supply voltage. If EEPROM: configura- when writing.
  • Page 82 Troubleshooting Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Code Corresponds Message Message/description Cause Measure Pri- to NA 64 category ority NE 107 Warning Function C>Linearization curve – The linearization table is not – Add to or correct lineariza- (W602)
  • Page 83 Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Troubleshooting Code Corresponds Message Message/description Cause Measure Pri- to NA 64 category ority NE 107 705 (A705) Alarm Failure (F) F>Measurement error – Fault in the main electronics. – Briefly disconnect device from the power supply.
  • Page 84 Troubleshooting Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Code Corresponds Message Message/description Cause Measure Pri- to NA 64 category ority NE 107 715 (E715) Error Out of spec- S>Sensor over tempera- – The temperature measured in the – Reduce process temperature/...
  • Page 85 Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Troubleshooting Code Corresponds Message Message/description Cause Measure Pri- to NA 64 category ority NE 107 723 (A723) Alarm Function C>MAX. FLOW out of – FLOW-MEAS. TYPE has been – Carry out calibration again.
  • Page 86 Troubleshooting Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Code Corresponds Message Message/description Cause Measure Pri- to NA 64 category ority NE 107 731 (E731) Error Out of spec- S>URV user limits – Pressure measured value has over- – Check system/pressure mea-...
  • Page 87 Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Troubleshooting Code Corresponds Message Message/description Cause Measure Pri- to NA 64 category ority NE 107 740 (E740) Error Mainte- M>Calculation over- – Level measuring mode: Level mode* – Check configuration and nance flow, bad configura- "LINd.

  • Page 88: Onsite Display Error Messages

    Troubleshooting Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Code Corresponds Message Message/description Cause Measure Pri- to NA 64 category ority NE 107 747 (A747) Alarm Failure (F) F>Sensor software not – Sensor does not suit the device – Replace sensor with a suit- compatible to electron- (electronic sensor nameplate).

  • Page 89: Response Of Outputs To Errors

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Troubleshooting Response of outputs to errors The device differentiates between the message types "Alarm", "Warning" and "Error". → See the following table and Page 80, Section 8.1 "Messages". Output A (Alarm) W (Warning)

  • Page 90: Analog Input Block

    Troubleshooting Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA 9.2.1 Analog Input Block If the Analog Input Block receives an input value or simulation value with the status BAD, the Analog Input Block continues working with the failsafe mode defined by means of the FAIL SAFE MODE parameter.

  • Page 91: Confirming Messages

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Troubleshooting In the FieldCare navigation window, go to PROFILE VIEW → PB Parameter In the default setting, all the bits have "Uncertain" for "Status Select Events", apart from 716. Select the "Bad" option for the row "Status Select Event 115". Press ENTER to confirm your entries.

  • Page 92: Repair

    Explosion hazard! When repairing Ex-certified devices, please note the following: • Repairs to Ex-certified devices must be carried out by Endress+Hauser Service or by spe- cialist personnel according to national regulations. • Relevant standards, national hazardous area regulations and Safety Instructions and Cer- tificates must be observed.

  • Page 93: Disposal

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Technical data Disposal When disposing, ensure that the materials of the device components are separated and pro- cessed accordingly. Software history Date Software ver- Changes to the software sion 12.2004 03.00.zz Original software.

  • Page 94: Index

    Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Index Acyclic data exchange ......45 Measuring layout for differential pressure Alarm messages.
  • Page 95 Deltabar S FMD77, FMD78, PMD75 mit PROFIBUS PA Troubleshooting....... . . 80 Unlocking .
  • Page 96 www.addresses.endress.com...

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