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Endress+Hauser Levelflex FMP51 Operating Instructions Manual
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Endress+Hauser Levelflex FMP51 Operating Instructions Manual

Endress+Hauser Levelflex FMP51 Operating Instructions Manual

Modbus guided-wave radar
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BA01957F/00/EN/03.24-00
71664115
2024-06-06
01.03.zz (Device firmware)
Products
Operating Instructions
Levelflex FMP51
Modbus
Guided-wave radar
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Summary of Contents for Endress+Hauser Levelflex FMP51

  • Page 1 Products Solutions Services BA01957F/00/EN/03.24-00 71664115 2024-06-06 01.03.zz (Device firmware) Operating Instructions Levelflex FMP51 Modbus Guided-wave radar...
  • Page 2 Levelflex FMP51 Modbus Order code: XXXXX-XXXXXX Ser. no.: XXXXXXXXXXXX Ext. ord. cd.: XXX.XXXX.XX Serial number www.endress.com/deviceviewer Endress+Hauser Operations App A0023555 Endress+Hauser...
  • Page 3 Levelflex FMP51 Modbus Table of contents Table of contents Mounting the device ....33 About this document ....5 6.2.1...
  • Page 4 Table of contents Levelflex FMP51 Modbus 10.5 Recording the reference echo curve ..14.3 Service-specific accessories ....92 10.6 Configuring the local display ... . .
  • Page 5 Levelflex FMP51 Modbus About this document About this document Document function These Operating Instructions contain all the information required in the various life cycle phases of the device: from product identification, incoming acceptance and storage, to installation, connection, operation and commissioning, through to troubleshooting, maintenance and disposal.
  • Page 6 About this document Levelflex FMP51 Modbus Allen key Open-ended wrench 1.2.4 Symbols for certain types of information and graphics  Permitted Procedures, processes or actions that are permitted  Preferred Procedures, processes or actions that are preferred  Forbidden Procedures, processes or actions that are forbidden  Tip...
  • Page 7 • Device Viewer (www.endress.com/deviceviewer): Enter the serial number from the nameplate • Endress+Hauser Operations app: Enter serial number from nameplate or scan matrix code on nameplate. The following documentation may be available depending on the device version ordered: Document type...
  • Page 8 Registered trademark of SCHNEIDER AUTOMATION, INC. Bluetooth® The Bluetooth® word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks by Endress+Hauser is under license. Other trademarks and trade names are those of their respective owners. Apple®...
  • Page 9 The manufacturer is not liable for harm caused by improper or unintended use. Clarification 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 10 Basic safety instructions Levelflex FMP51 Modbus Workplace safety When working on and with the device: ‣ Wear the required personal protective equipment as per national regulations. With separable probe rods, medium may penetrate the joints between the individual parts of the rod. This medium may escape when the joints are loosened. This can cause injuries in the case of dangerous (e.g., aggressive or toxic) media.
  • Page 11 Levelflex FMP51 Modbus Basic safety instructions 2.5.2 EAC conformity The measuring system meets the legal requirements of the applicable EAC guidelines. These are listed in the corresponding EAC Declaration of Conformity along with the standards applied. The manufacturer confirms successful testing of the device by affixing to it the EAC mark.
  • Page 12 Product description Levelflex FMP51 Modbus Product description Product design 3.1.1 Levelflex FMP51/FMP52/FMP54/FMP55 A0012399  1 Design of the Levelflex Electronics housing Process connection (here as an example: flange) Rope probe End-of-probe weight Rod probe Coax probe Endress+Hauser...
  • Page 13 Levelflex FMP51 Modbus Product description 3.1.2 Electronics housing A0012422  2 Design of the electronics housing Electronics compartment cover Display module Main electronics module Cable glands (1 or 2, depending on instrument version) Nameplate I/O electronics module Terminals (pluggable spring terminals)
  • Page 14  All the information about the measuring device is displayed. ‣ Endress+Hauser Operations app; manually enter the serial number indicated on the nameplate or scan the 2D matrix code on the nameplate.  All the information about the measuring device is displayed.
  • Page 15 Levelflex FMP51 Modbus Incoming acceptance and product identification 4.2.2 Manufacturer address Endress+Hauser SE+Co. KG Hauptstraße 1 79689 Maulburg, Germany Place of manufacture: See nameplate. Endress+Hauser...
  • Page 16 Storage, transport Levelflex FMP51 Modbus Storage, transport Storage temperature • Permitted storage temperature: –40 to +80 °C (–40 to +176 °F) • Use original packaging. • Option for FMP51 and FMP54: –50 to +80 °C (–58 to +176 °F) This range applies if the option JN "Transmitter ambient temperature" –50 °C (–58 °F) was selected in order code 580 "Test, Certificate".
  • Page 17 Levelflex FMP51 Modbus Installation Installation Mounting requirements 6.1.1 Suitable mounting position A0012606  3 Installation positions Spacing requirements when mounting • Distance (A) between the vessel wall and rod and rope probes: • For smooth metallic walls: > 50 mm (2 in) •...
  • Page 18 Installation Levelflex FMP51 Modbus Additional mounting requirements • When mounting outdoors, a weather protection cover (1) can be used to protect the device against extreme weather conditions. • In metallic vessels, preferably do not mount the probe in the center of the vessel (2), as this would lead to increased interference echoes.
  • Page 19 Levelflex FMP51 Modbus Installation • Product structure, feature 600 "Probe design": • Version MB "Remote sensor, 3 m cable" • Version MC "Remote sensor, 6 m cable" • Version MD "Remote sensor, 9 m cable" • The connecting cable is included in the delivery with these versions.
  • Page 20 Installation Levelflex FMP51 Modbus Lateral loading capacity (flexural strength) of rod probes FMP51 Rod 8 mm (¹⁄₃ in) 316L 10 Nm Rod 12 mm (¹⁄₂ in) 316L Flexural strength 30 Nm Rod 12 mm (¹⁄₂ in) AlloyC Flexural strength 30 Nm Rod 16 mm (0.63 in) 316 L separable Flexural strength 30 Nm...
  • Page 21 Levelflex FMP51 Modbus Installation Bending torque [M] on rod probes, diameter 8mm (1/3”) 20.0 18.0 16.0 14.0 12.0 10.0 v=0.5m/s v=0.7m/s v=1.0m/s Probe length [ ] in meters A0014182-EN 6.1.4 Lateral loading capacity (flexural strength) of coaxial probes FMP51 Probe ⌀21.3 mm316L Flexural strength:60 Nm Probe ⌀42.4 mm316L...
  • Page 22 Installation Levelflex FMP51 Modbus Use a sealing ring according to this standard in form A, C or D and of a material that offers appropriate resistance for the application. Nozzle installation ø 150 (6) £ A0015122 Length of the centering rod or the rigid part of the rope probe •...
  • Page 23 Levelflex FMP51 Modbus Installation A0014199 Lower edge of the nozzle Approximately flush with the lower edge of the nozzle (±50 mm) Plate, nozzle ⌀ 300 mm (12 in) = plate ⌀ 280 mm (11 in); nozzle ⌀ ≥ 400 mm (16 in) = plate ⌀ ≥ ...
  • Page 24 Installation Levelflex FMP51 Modbus • The end of the rope probe must be secured or fixed down under the following conditions: If the probe temporarily comes into contact with the vessel wall, the cone, internal fittings/beams or another part of the installation •...
  • Page 25 Levelflex FMP51 Modbus Installation ø a ø b ø<25 (1.0) 3 (0.12) » mm (in) A0012607 Unit of measurement mm (in) Probe rod, uncoated Sleeve with narrow bore to ensure electrical contact between the sleeve and the rod. Short metal pipe, e.g. welded in place Probe rod, coated Plastic sleeve, e.g.
  • Page 26 Installation Levelflex FMP51 Modbus A0012608 Coaxial probes can be secured (fixed) at any point in the ground tube. 6.1.7 Special installation situations Bypasses and stilling wells The use of centering disks/stars/weights (available as accessories) is recommended in bypass and stilling well applications.
  • Page 27 Levelflex FMP51 Modbus Installation • Pipe diameter: > 40 mm (1.6 in) (for rod probes). • A rod probe can be installed in pipes with a diameter of up to 150 mm (6 in). The use of a coaxial probe is recommended for larger pipe diameters.
  • Page 28 Installation Levelflex FMP51 Modbus Non-metal centering star (PEEK) For level and interface measurement, operating temperature: –60 to +250 °C (–76 to 482 °F) Rod centering star (⌀ d) 48 to 95 mm (1.89 to 3.74 in) for pipe diameters (⌀ D) ≥...
  • Page 29 Levelflex FMP51 Modbus Installation In the case of nozzles with large diameters, use a coaxial probe to avoid reflections at the nozzle wall. Mounting at an angle A0014145 • For mechanical reasons, the probe should be installed as vertically as possible.
  • Page 30 Installation Levelflex FMP51 Modbus A0014150 Plastic or glass vessel Metal plate with screw-in sleeve No space between vessel wall and probe! Requirements • Relative permittivity of medium: ε > 7 • Non-conductive vessel wall. • Maximum wall thickness (a): • Plastic: < 15 mm (0.6 in) •...
  • Page 31 Levelflex FMP51 Modbus Installation calibration parameters (Empty calibration and Full calibration) must be adjusted. In addition, a value that is greater than the actual probe length must be entered in the Present probe length parameter. In all three cases, the correction factor is the quotient of the probe length measured when the vessel is empty and the actual probe LN.
  • Page 32 Installation Levelflex FMP51 Modbus mm (in) A0014654  7 Process connection with flange Vessel insulation Compact device Sensor, remote Replacing a displacer system in an existing displacer chamber FMP51 and FMP54 are a perfect replacement for a conventional displacer system in an existing displacer chamber.
  • Page 33 Levelflex FMP51 Modbus Installation Additional information regarding interface measurement • In the case of oil and water, the centering star should be positioned at the lower edge of the lower outlet (water level). • There should not be any changes in the diameter of the pipe. Use the coaxial probe if necessary.
  • Page 34 Installation Levelflex FMP51 Modbus 4 (0.16) 3 mm A0012453 Rope material 316 • A: 4 mm (0.16 in) • B: 40 mm (1.6 in) • C: 3 mm; 5 Nm (3.69 lbf ft) 1. Using the Allen key, loosen the setscrews on the rope weight or on the fastener for the centering disk.
  • Page 35 Levelflex FMP51 Modbus Installation Entering the new probe length After shortening the probe: 1. Switch to the Probe settings submenu and perform a probe length correction. A0014241 Field for the new probe length For documentation purposes, enter the new probe length into the quick reference guide which can be found in the electronics housing behind the display module.
  • Page 36 Installation Levelflex FMP51 Modbus Mounting devices with a flange If a seal is used to mount the device, use uncoated metal screws to ensure good electrical contact between the process flange and the probe flange. Mounting rope probes NOTICE Electrostatic discharge can damage the electronics.
  • Page 37 Levelflex FMP51 Modbus Installation CAUTION Mechanical stress can damage the plugs of the connection cable or cause them to become loose. ‣ Mount the probe and the electronics housing securely before connecting the connecting cable. ‣ Lay the connecting cable in such a way that it is not exposed to mechanical stress.
  • Page 38 Installation Levelflex FMP51 Modbus 6 Nm 6 Nm (4.42 lbf ft) (4.42 lbf ft) = 100 (4) = 100 (4) 6 Nm 6 Nm (4.42 lbf ft) (4.42 lbf ft) A0014794  9 Connecting the connecting cable. The cable can be connected in the following ways:. Unit of...
  • Page 39 Levelflex FMP51 Modbus Installation 6.2.6 Turning the display Opening the cover 3 mm A0021430 1. Loosen the screw of the securing clamp of the electronics compartment cover using an Allen key (3 mm) and turn the clamp 90 ° counterclockwise.
  • Page 40 Installation Levelflex FMP51 Modbus  Is the measuring device protected against precipitation and sunlight?  Are the securing screws and cover lock tightened securely?  Does the measuring device comply with the measuring point specifications? For example: •  Process temperature •  Process pressure •...
  • Page 41 Levelflex FMP51 Modbus Electrical connection Electrical connection Connecting requirements 7.1.1 Terminal assignment Terminal assignment, 4-wire: 4 to 20 mA HART (90 to 253 V A0036519  10 Terminal assignment, 4-wire: 4 to 20 mAHART (90 to 253 V Connection 4 to 20 mA HART (active): terminals 3 and 4...
  • Page 42 Nominal discharge 10 kA current (8/20 µs) External overvoltage protection module The HAW562 or HAW569 for example from Endress+Hauser are suitable options for external overvoltage protection. More information is provided in the following documents: • HAW562: TI01012K • HAW569: TI01013K...
  • Page 43 Levelflex FMP51 Modbus Electrical connection 1. Loosen the screw of the securing clamp of the connection compartment cover using an Allen key (3 mm) and turn the clamp 90 ° counterclockwise. 2. Unscrew the connection compartment cover and check the cover seal; replace it if necessary.
  • Page 44 Electrical connection Levelflex FMP51 Modbus To remove the cable from the terminal again: 1. Use a flat-blade screwdriver ≤ 3 mm (0.12 in) to press down on the slot between the two terminal holes. 2. Simultaneously pull the cable end out of the terminal.
  • Page 45 Levelflex FMP51 Modbus Operation options Operation options Overview of operation options 8.1.1 Access to operating menu via local display Operation with Pushbuttons Touch control Order code for "Display; Option C "SD02" Option E "SD03" operation" A0036312 A0036313 Display elements 4-line display 4-line display White background lighting;...
  • Page 46 Access to the operating menu via the operating tool Via service interface (CDI) A0039148 Computer with FieldCare/DeviceCare operating tool Commubox Service interface (CDI) of the measuring instrument (= Endress+Hauser Common Data Interface) Operation via Bluetooth® wireless technology Requirements A0036790  14...
  • Page 47 Levelflex FMP51 Modbus Operation options Structure and function of the operating menu 8.2.1 Structure of the operating menu Menu Submenu / Meaning parameter Language Defines the operating language of the local display Commissioning Launches the interactive wizard for guided commissioning.
  • Page 48 Operation options Levelflex FMP51 Modbus Menu Submenu / Meaning parameter Communication Contains all parameters needed to configure the digital communication interface. Diagnostics Contains all parameters needed to detect and analyze operational errors. If you are operating via operating tools (e.g. FieldCare), the "Language" parameter is located under "Setup ...
  • Page 49 Levelflex FMP51 Modbus Operation options Parameters that can always be changed The write protection does not include certain parameters that do not affect the measurement. Despite the defined access code, these parameters can always be modified even if the other parameters are locked.
  • Page 50 Operation options Levelflex FMP51 Modbus 3. Pull out the display module with a gentle rotational movement. To make it easier to access the write protection switch, attach the display module to the edge of the electronics compartment.  A0036086 4. Setting the write protection switch (WP) on the main electronics module to the ON position enables hardware write protection.
  • Page 51 Levelflex FMP51 Modbus Operation options Switching on the keypad lock manually 1. The device is in the measured value display. Press  for at least 2 seconds.  A context menu appears. 2. Select the Keylock on option in the context menu.
  • Page 52 Operation options Levelflex FMP51 Modbus Display and operating module 8.3.1 Display format User ABC_ DEFG HIJK LMNO PQRS TUVW A0012635  16 Display format on the display and operating module Measured value display (1 value max. size) 1.1 Header containing tag and error symbol (if an error is active) 1.2 Measured value symbols...
  • Page 53 Levelflex FMP51 Modbus Operation options Display symbols for the submenus Symbol Meaning Display/operat. Is displayed: • In the main menu next to the "Display/operat." selection A0018367 • In the header on the left in the "Display/operat." menu Setup Is displayed: •...
  • Page 54 Operation options Levelflex FMP51 Modbus Measured value symbols Symbol Meaning Measured values Level A0032892 Distance A0032893 Current output A0032908 Measured current A0032894 Terminal voltage A0032895 Electronics or sensor temperature A0032896 Measuring channels Measuring channel 1 A0032897 Measuring channel 2 A0032898 Status of the measured value "Alarm"...
  • Page 55 Levelflex FMP51 Modbus Operation options Operating key Meaning Enter key For measured value display • Pressing the key briefly opens the operating menu. • Pressing the key for 2 s opens the context menu. In a menu, submenu • Pressing the key briefly: Opens the selected menu, submenu or parameter.
  • Page 56 Operation options Levelflex FMP51 Modbus Numeric editor Symbol Meaning Selection of numbers from 0 to 9 … A0013998 Inserts decimal separator at the cursor position. A0016619 Inserts minus sign at the cursor position. – A0016620 Confirms selection. A0013985 Moves the input position one position to the left.
  • Page 57 Levelflex FMP51 Modbus Operation options Moves the input position one position to the left. A0018326 Deletes one character immediately to the left of the input position. A0032906 8.3.4 Opening the context menu Using the context menu, the user can call up the following menus quickly and directly from the operational display: •...
  • Page 58 Operation options Levelflex FMP51 Modbus 8.3.5 Envelope curve display on the display and operating module In order to assess the measuring signal, the envelope curve and - if a mapping has been recorded - the mapping curve can be shown on the display and operating module:...
  • Page 59 Levelflex FMP51 Modbus Commissioning using the wizard Commissioning using the wizard FieldCare and DeviceCare have a wizard that guides the user through initial commissioning. Modbus communication must be configured in advance. 1. Connect the device with FieldCare or DeviceCare →  46.
  • Page 60 Commissioning via operating menu Levelflex FMP51 Modbus Commissioning via operating menu 10.1 Function check Before commissioning your measuring point, ensure that the post-installation and post- connection checks have been performed: • "Post-installation check" checklist • "Post-connection check" checklist 10.2 Configuring the operating language...
  • Page 61 Levelflex FMP51 Modbus Commissioning via operating menu 10.3 Configuring level measurement 20 mA 100% 4 mA A0011360  18 Configuration parameters for level measurement in liquids Length of probe Reference point of the measurement Distance Level Empty calibration (= zero point)
  • Page 62 Commissioning via operating menu Levelflex FMP51 Modbus 10. Navigate to: Setup → Distance  Displays the distance D between the reference point R and the level L. 11. Navigate to: Setup → Signal quality  Displays the signal quality of the analyzed level echo.
  • Page 63 Levelflex FMP51 Modbus Commissioning via operating menu 10.4 Configuring interface measurement An interface measurement is only possible if the device has the corresponding software option. In the product structure: feature 540 "Application Package", option EB "Interface measurement". 100% DK (DC ) A0011177 ...
  • Page 64 Commissioning via operating menu Levelflex FMP51 Modbus 9. Navigate to: Setup → Empty calibration  Specify empty distance E (distance from reference point R to 0% mark). 10. Navigate to: Setup → Full calibration  Specify the full distance F (distance from the 0% mark to the 100% mark).
  • Page 65 Levelflex FMP51 Modbus Commissioning via operating menu 10.5 Recording the reference echo curve After the measurement has been configured, it is recommended to record the current envelope curve diagram as a reference echo curve. This can then be used later for diagnostic purposes.
  • Page 66 Commissioning via operating menu Levelflex FMP51 Modbus 10.6 Configuring the local display 10.6.1 Factory setting of local display for level measurements Parameter Factory setting for devices with 1 current Factory setting for devices with 2 current output outputs Format display 1 value, max. size 1 value, max.
  • Page 67 Levelflex FMP51 Modbus Commissioning via operating menu 10.7 Configuring Modbus communication 10.7.1 Bus parameters Bus parameter Setting Baud rate Detected automatically; no setting required. Parity Detected automatically; no setting required. Modbus address of the device To be configured using the HART address parameter: Expert →...
  • Page 68 Commissioning via operating menu Levelflex FMP51 Modbus 10.8 Configuration management After commissioning, it is possible to save the current device configuration, copy it to another measuring point or restore the previous device configuration. You can do so using the Configuration management parameter and the options available.
  • Page 69 Levelflex FMP51 Modbus Commissioning via operating menu 10.9 Protecting settings from unauthorized access The settings can be protected from unauthorized access in two ways: • Locking via parameters (software locking) • Locking via write protection switch (hardware locking) Endress+Hauser...
  • Page 70 Diagnostics and troubleshooting Levelflex FMP51 Modbus Diagnostics and troubleshooting 11.1 General troubleshooting 11.1.1 General errors Error Possible cause Solution Device does not respond. Supply voltage not connected. Connect the correct voltage. The cables do not contact the Ensure electrical contact between terminals properly.
  • Page 71 Levelflex FMP51 Modbus Diagnostics and troubleshooting Error Possible cause Solution Echo lost diagnostic Echo threshold too high. Check the Medium group parameter message appears after the (→  108). supply voltage is switched on. If necessary, select a more detailed setting with the Medium property parameter (→...
  • Page 72 Diagnostics and troubleshooting Levelflex FMP51 Modbus 11.2 Diagnostic information on local display 11.2.1 Diagnostic message Faults detected by the self-monitoring system of the measuring instrument are displayed as a diagnostic message in alternation with the measured value display. Measured value display in alarm condition...
  • Page 73 Levelflex FMP51 Modbus Diagnostics and troubleshooting Diagnostic event and event text The fault can be identified by means of the diagnostic event. The event text helps you by providing information about the fault. In addition, the associated status symbol is displayed in front of the diagnostic event.
  • Page 74 Diagnostics and troubleshooting Levelflex FMP51 Modbus 11.2.2 Calling up remedial measures X X X X X X X X X X X X X X 20.50 S801 Supply voltage Menu Diagnostic list Diagnostics 1 S801 Supply voltage Diagnostics 2 Diagnostics 3...
  • Page 75 Levelflex FMP51 Modbus Diagnostics and troubleshooting A: Via the operating menu 1. Navigate to the Diagnostics menu.  In the Actual diagnostics parameter, the diagnostic event is shown with event text. 2. On the right in the display area, hover the cursor over the Actual diagnostics parameter.
  • Page 76 Diagnostics and troubleshooting Levelflex FMP51 Modbus C: Via the "Event list/Extended HistoROM" function Select the ("Event list/Extended HistoROM") function. Select the "Load event list" function.  The event list including remedial measures is displayed in the "Data overview" window. 11.4...
  • Page 77 Levelflex FMP51 Modbus Diagnostics and troubleshooting In addition to the operating time when the event occurred, each event is also assigned a symbol that indicates whether the event has occurred or is finished: • Diagnostic event • : Occurrence of the event •...
  • Page 78 Diagnostics and troubleshooting Levelflex FMP51 Modbus Info number Info name I1189 Backup compared I1256 Display: access status changed I1264 Safety sequence aborted I1335 Firmware changed I1397 Fieldbus: access status changed I1398 CDI: access status changed I1512 Download started I1513 Download finished...
  • Page 79 Levelflex FMP51 Modbus Maintenance Maintenance No special maintenance work is required. 12.1 Exterior cleaning When cleaning the exterior, always use cleaning agents that do not corrode the surface of the housing and the seals. 12.2 General cleaning instructions Dirt or buildup may form on the probe depending on the application. A thin, even layer has little impact on the measurement.
  • Page 80 General information 13.1.1 Repair concept Under the Endress+Hauser repair concept, devices have a modular design and repairs can 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 81 Levelflex FMP51 Modbus Repair 13.2 Spare parts • Some replaceable measuring instrument components are identified by means of a spare part nameplate. This contains information about the spare part. • In the connection compartment cover of the device there is a spare part nameplate which contains the following information: •...
  • Page 82 Accessories Levelflex FMP51 Modbus Accessories The accessories currently available for the product can be selected at www.endress.com: 1. Select the product using the filters and search field. 2. Open the product page. 3. Select Spare parts & Accessories. 14.1 Device-specific accessories 14.1.1...
  • Page 83 Levelflex FMP51 Modbus Accessories 299 (11.8) 202 (7.95) A0015472  25 Dimensions. Unit of measurement mm (in) Material • Protection cap; 316L (1.4404) • Bracket; 316L (1.4404) • Angle bracket; 316L (1.4404) • Clamping screw; 316L (1.4404) + carbon fiber •...
  • Page 84 Accessories Levelflex FMP51 Modbus A0015143  27 Material; mounting bracket Bracket, 316L (1.4404) Round bracket, 316L (1.4404); screws/nuts, A4-70; distance sleeves, 316L (1.4404) Half-shells, 316 L (1.4404) Order number for accessories: 71102216 14.1.3 Mounting kit, insulated To secure rope probes so that they are reliably insulated.
  • Page 85 Levelflex FMP51 Modbus Accessories Order number for accessories: 52014250 Due to the risk of electrostatic charge, the insulation sleeve is not suitable for use in hazardous areas! In this case, the probe must be secured so that it is reliably grounded.
  • Page 86 Accessories Levelflex FMP51 Modbus Centering star PFA Suitable for: FMP51 Available versions: • ⌀ 16.4 mm (0.65 in) • ⌀ 37 mm (1.46 in) A0014577 For probe 8 mm (0.3 in) For probes 12 mm (0.47 in) and 16 mm (0.63 in) The centering star is suitable for probes with a rod diameter of 8 mm (0.3 in),...
  • Page 87 Levelflex FMP51 Modbus Accessories Ø4 (0.16) A0035182 The centering star is suitable for probes with a rope diameter of 4 mm (¹⁄₆ in) (including coated rope probes). For details, see SD01961F. • Material: PEEK • Permitted process temperature range: –60 to +250 °C (–76 to +482 °F) Order number for accessories: •...
  • Page 88 Accessories Levelflex FMP51 Modbus Ø20 (0.79) Ø30 (1.18) Ø5,5 (0.22) Ø11 (0.43) Ø45 (1.77) A0038923 The centering weight is suitable for probes with a rope diameter of 4 mm (¹⁄₆ in) and can be used in DN50/2" pipes. The centering weight can be ordered directly with the device (product structure Levelflex) or as a probe without a process connection (product structure XPF0005-) using feature 610 "Accessory mounted", version OK (for pipe DN50/2").
  • Page 89 Levelflex FMP51 Modbus Accessories Ø20 (0.79) ØA Ø30 (1.18) Ø5,5 (0.22) Ø8 (0.31) 11 (0.43) ØB A0038924 ⌀ A = 52.5 mm (2.07 in) for DN80/3" pipe = 62.5 mm (2.47 in) for DN100/4" pipe ⌀ B = 75 mm (2.95 in) for DN80/3" pipe = 95 mm (3.7 in) for DN100/4"...
  • Page 90 Accessories Levelflex FMP51 Modbus Technical data • Material: • Plastic PBT • 316L/1.4404 • Aluminum • Degree of protection: IP68 / NEMA 6P and IP66 / NEMA 4x • Suitable for display modules: • SD02 (push buttons) • SD03 (touch control) •...
  • Page 91 Levelflex FMP51 Modbus Accessories Technical data • Resistance per channel: 2 × 0.5 Ω • Threshold DC voltage: 400 to 700 V • Threshold surge voltage: < 800 V • Capacitance at 1 MHz: < 1.5 pF • Nominal leakage current (8/20 μs): 10 kA •...
  • Page 92 For details, see the "Special Documentation" SD02252F 14.2 Communication-specific accessories Commubox FXA291 Connects Endress+Hauser field devices with a CDI interface (= Endress+Hauser Common Data Interface) and the USB port of a computer or laptop Order number: 51516983 For details, see "Technical Information" TI00405C 14.3...
  • Page 93 Levelflex FMP51 Modbus Operating menu Operating menu 15.1 Overview of the operating menu (display module) Navigation  Operating menu Language  Setup →  106 Device tag →  106 Operating mode →  106 Distance unit →  107 Tank type →...
  • Page 94 Operating menu Levelflex FMP51 Modbus Record map →  119 Distance →  119 ‣ →  120 Advanced setup Locking status →  120 Access status display →  121 Enter access code →  121 ‣ →  122...
  • Page 95 Levelflex FMP51 Modbus Operating menu ‣ Linearization →  134 →  136 Linearization type Unit after linearization →  137 Free text →  138 Maximum value →  139 Diameter →  140 Intermediate height →  140 Table mode →...
  • Page 96 Operating menu Levelflex FMP51 Modbus Assign limit →  152 Assign diagnostic behavior →  152 →  153 Switch-on value Switch-on delay →  154 Switch-off value →  154 Switch-off delay →  155 →  155 Failure mode Switch status →...
  • Page 97 Levelflex FMP51 Modbus Operating menu Last backup →  163 →  163 Configuration management Comparison result →  164 ‣ Administration →  166 ‣ Define access code →  168 Define access code →  168 Confirm access code →...
  • Page 98 Operating menu Levelflex FMP51 Modbus Device revision →  173 Device ID →  173 →  174 Device type Manufacturer ID →  174 ‣ Measured values →  175 Distance →  111 →  139 Level linearized Interface distance →...
  • Page 99 Levelflex FMP51 Modbus Operating menu Last check time →  185 →  186 Level signal Launch signal →  186 Interface signal →  186 Endress+Hauser...
  • Page 100 Operating menu Levelflex FMP51 Modbus 15.2 Overview of the operating menu (operating tool) Navigation  Operating menu  Setup →  106 Device tag →  106 →  106 Operating mode Distance unit →  107 Tank type →  107 Tube diameter →...
  • Page 101 Levelflex FMP51 Modbus Operating menu Access status tooling →  120 →  121 Enter access code ‣ Level →  122 Medium type →  122 Medium property →  122 Process property →  123 Advanced process conditions →...
  • Page 102 Operating menu Levelflex FMP51 Modbus Level linearized →  139 Interface linearized →  139 →  139 Maximum value Diameter →  140 Intermediate height →  140 Table mode →  140 →  141 Table number Level →...
  • Page 103 Levelflex FMP51 Modbus Operating menu Switch-on value →  153 →  154 Switch-on delay Switch-off value →  154 Switch-off delay →  155 Failure mode →  155 Switch status →  155 Invert output signal →  155 ‣...
  • Page 104 Operating menu Levelflex FMP51 Modbus Backup state →  164 Comparison result →  164 ‣ →  166 Administration Define access code Device reset →  166  Diagnostics →  168 →  168 Actual diagnostics Timestamp →  169 Previous diagnostics →...
  • Page 105 Levelflex FMP51 Modbus Operating menu Device type →  174 →  174 Manufacturer ID ‣ Measured values →  175 Distance →  111 Level linearized →  139 Interface distance →  116 Interface linearized →  139 Thickness upper layer →...
  • Page 106 Operating menu Levelflex FMP51 Modbus Launch signal →  186 Interface signal →  186 ‣ Heartbeat 15.3 "Setup" menu • : Indicates how to navigate to the parameter using the display and operating module • : Indicates how to navigate to the parameter using operating tools (e.g.
  • Page 107 Levelflex FMP51 Modbus Operating menu Distance unit  Navigation  Setup → Distance unit Description Used for the basic calibration (Empty / Full). Selection SI units US units • mm • ft • m • in Tank type  Navigation ...
  • Page 108 Operating menu Levelflex FMP51 Modbus Medium group  Navigation  Setup → Medium group Prerequisite • For FMP51/FMP52/FMP54/FMP55: Operating mode (→  106) = Level • Medium type (→  122) = Liquid Description Select medium group. Selection • Others •...
  • Page 109 Levelflex FMP51 Modbus Operating menu Additional information A0013178  30 Empty calibration (E) for level measurements in liquids A0013177  31 Empty calibration (E) for interface measurements In the case of interface measurements the Empty calibration parameter is valid for both, the total and the interface level.
  • Page 110 Operating menu Levelflex FMP51 Modbus Additional information 100% A0013186  32 Full calibration (F) for level measurements in liquids 100% 100% A0013188  33 Full calibration (F) for interface measurements In the case of interface measurements the Full calibration parameter is valid for both, the total and the interface level.
  • Page 111 Levelflex FMP51 Modbus Operating menu Additional information A0013194  34 Level in case of liquid measurements A0013195  35 Level in case of interface measurements • The unit is defined in the Level unit parameter (→  125). • In case of interface measurements, this parameter always refers to the total level.
  • Page 112 Operating menu Levelflex FMP51 Modbus Additional information A0013198  36 Distance for liquid measurements A0013199  37 Distance for interface measurements The unit is defined in the Distance unit parameter (→  107). Signal quality Navigation  Setup → Signal quality Description Displays the signal quality of the evaluated echo.
  • Page 113 Levelflex FMP51 Modbus Operating menu The signal quality indicated in this parameter always refers to the currently evaluated echo: either the level/interface echo or the end-of-probe echo. To differentiate between these two, the quality of the end-of-probe echo is always displayed in brackets.
  • Page 114 Operating menu Levelflex FMP51 Modbus Distance to upper connection  Navigation  Setup → Dist. up.connect Prerequisite The device has the "Interface measurement" application package Description Specify distance D to upper connection. User entry 0 to 200 m Factory setting •...
  • Page 115 For the relative permittivity values (ε values) of many media commonly used in industry, please refer to: • Relative permittivity (ε value), Compendium CP01076F • The Endress+Hauser "DC Values app" (available for Android and iOS) Interface Navigation  Setup → Interface Prerequisite Operating mode (→...
  • Page 116 Operating menu Levelflex FMP51 Modbus Interface distance Navigation  Setup → Interface dist. Prerequisite Operating mode (→  106) = Interface or Interface with capacitance Description Displays the measured distance D between the reference point (lower edge of flange or threaded connection) and the interface.
  • Page 117 Levelflex FMP51 Modbus Operating menu Additional information Meaning of the options • Manual map To be selected if the range of mapping is to be defined manually in the Mapping end point parameter (→  118). In this case it is not necessary to confirm the distance.
  • Page 118 Operating menu Levelflex FMP51 Modbus Mapping end point  Navigation  Setup → Map. end point Prerequisite Confirm distance (→  116) = Manual map or Distance too small Description Specify new end of the mapping. User entry 0 to 200 000.0 m Additional information This parameter defines up to which distance the new mapping is to be recorded.
  • Page 119 Levelflex FMP51 Modbus Operating menu 15.3.1 "Mapping" wizard The Mapping wizard is only available when operating via the local display. When operating via an operating tool, all parameters concerning the mapping are located directly in the Setup menu (→  106).
  • Page 120 Operating menu Levelflex FMP51 Modbus 15.3.2 "Advanced setup" submenu Navigation  Setup → Advanced setup Locking status Navigation  Setup → Advanced setup → Locking status Description Indicates the write protection with the highest priority that is currently active. User interface •...
  • Page 121 • If no key is pressed for 10 minutes or the user goes from the navigation and editing mode back to the measured value display mode, the device automatically locks the write- protected parameters after another 60 s. Please contact your Endress+Hauser Sales Center if you lose your access code. Endress+Hauser...
  • Page 122 Operating menu Levelflex FMP51 Modbus "Level" submenu Level submenu (→  122) is only visible for Operating mode (→  106) = Level Navigation  Setup → Advanced setup → Level Medium type  Navigation  Setup → Advanced setup → Level → Medium type Description Specify type of medium.
  • Page 123 • Relative permittivity (ε value), Compendium CP01076F • The Endress+Hauser "DC Values app" (available for Android and iOS) If EOP level evaluation = Fix DC, the exact dielectric constant must be specified in the DC value parameter (→  114). The Medium property parameter therefore does not apply in this case.
  • Page 124 Operating menu Levelflex FMP51 Modbus For "Operating mode" = "Level" and "Medium type" = "Solid" Process property Step response time / s Very fast > 100 m (333 ft) /h Fast > 10 m (33 ft) /h Standard < 10 m (33 ft) /h Medium <...
  • Page 125 Levelflex FMP51 Modbus Operating menu Level unit  Navigation  Setup → Advanced setup → Level → Level unit Description Select level unit. Selection SI units US units • % • ft • m • in • mm Additional information The level unit may differ from the distance unit defined in the Distance unit parameter (→...
  • Page 126 Operating menu Levelflex FMP51 Modbus A0013219  38 Blocking distance (UB) for liquid measurements Level correction  Navigation  Setup → Advanced setup → Level → Level correction Description Specify level correction (if required). User entry –200 000.0 to 200 000.0 % Additional information The value specified in this parameter is added to the measured level (before linearization).
  • Page 127 • Relative permittivity (ε value), Compendium CP01076F • The Endress+Hauser "DC Values app" (available for Android and iOS) The factory setting, ε = 80, applies for water at 20 °C (68 °F). Endress+Hauser...
  • Page 128 Operating menu Levelflex FMP51 Modbus Level unit  Navigation  Setup → Advanced setup → Interface → Level unit Description Select level unit. Selection SI units US units • % • ft • m • in • mm Additional information The level unit may differ from the distance unit defined in the Distance unit parameter (→...
  • Page 129 Levelflex FMP51 Modbus Operating menu A0013220 Suppression of interference echoes at the top end of the probe. Suppression of the level signal in case of a flooded bypass. UB Upper blocking distance Level correction  Navigation  Setup → Advanced setup → Interface → Level correction Description Specify level correction (if required).
  • Page 130 Operating menu Levelflex FMP51 Modbus Additional information A0013313 UP Interface thickness (= thickness of upper medium) On the local display, the measured interface thickness is indicated together with the manual interface thickness. By comparing these two values the device can automatically adjust the dielectric constant of the upper medium.
  • Page 131 Levelflex FMP51 Modbus Operating menu Use calculated DC value  Navigation  Setup → Advanced setup → Interface → Use calc. DC Description Specify whether the calculated dielectric constant is to be used. Selection • Save and exit • Cancel and exit...
  • Page 132 Operating menu Levelflex FMP51 Modbus "Automatic DC calculation" wizard The Automatic DC calculation wizard is only available when operating via the local display. When operating via an operating tool, the parameters for automatic DC calculation are located directly in Interface submenu (→  127) In the Automatic DC calculation wizard, one or two parameters are displayed simultaneously on the display module at any one time.
  • Page 133 Levelflex FMP51 Modbus Operating menu "Linearization" submenu 100% L‘ I‘ L‘ 100% L‘1 L‘2 L‘ 100% L‘ 100% L‘ 100% L‘ 100% L‘ 100% L‘ A0016084  39 Linearization: Conversion of the level and, if applicable, interface into a volume or a weight; the...
  • Page 134 Operating menu Levelflex FMP51 Modbus Structure of the submenu on the local display Navigation  Setup → Advanced setup → Linearization ‣ Linearization Linearization type Unit after linearization Free text Maximum value Diameter Intermediate height Table mode ‣ Edit table...
  • Page 135 Levelflex FMP51 Modbus Operating menu Structure of the submenu in the operating tool (e.g. FieldCare) Navigation  Setup → Advanced setup → Linearization ‣ Linearization Linearization type Unit after linearization Free text Level linearized Interface linearized Maximum value Diameter Intermediate height...
  • Page 136 Operating menu Levelflex FMP51 Modbus Description of the parameters Navigation  Setup → Advanced setup → Linearization Linearization type  Navigation  Setup → Advanced setup → Linearization → Lineariz. type Description Select linearization type. Selection • None • Linear •...
  • Page 137 Levelflex FMP51 Modbus Operating menu Meaning of the options • None The level is output in the level unit without being converted (linearized) beforehand. • Linear The output value (volume/weight) is proportional to the level L. This applies, for example, to vertical cylindrical tanks and silos. The following parameters must also be specified: •...
  • Page 138 Operating menu Levelflex FMP51 Modbus Description Select the unit for the linearized value. Selection Selection/input (uint16) • 1095 = [short Ton] • 1094 = [lb] • 1088 = [kg] • 1092 = [Ton] • 1048 = [US Gal.] • 1049 = [Imp. Gal.] •...
  • Page 139 Levelflex FMP51 Modbus Operating menu User entry Up to 32 alphanumerical characters (letters, numbers, special characters) Level linearized Navigation  Setup → Advanced setup → Linearization → Level linearized Description Displays linearized level. Additional information • This unit is defined by the Unit after linearization parameter.
  • Page 140 Operating menu Levelflex FMP51 Modbus Diameter  Navigation  Setup → Advanced setup → Linearization → Diameter Prerequisite Linearization type (→  136) has one of the following values: • Horizontal cylinder • Sphere Description Diameter of the cylindrical or spherical tank.
  • Page 141 Levelflex FMP51 Modbus Operating menu Selection • Manual • Semiautomatic • Clear table • Sort table Additional information Meaning of the options • Manual The level and the associated linearized value are entered manually for each linearization point. • Semiautomatic The level is measured by the device for each linearization point.
  • Page 142 Operating menu Levelflex FMP51 Modbus Level (Manual)  Navigation  Setup → Advanced setup → Linearization → Level Prerequisite • Linearization type (→  136) = Table • Table mode (→  140) = Manual Description Enter level value of the table point (value before linearization).
  • Page 143 Levelflex FMP51 Modbus Operating menu Additional information Meaning of the options • Disable The measured level is not linearized. If Linearization type (→  136) = Table at the same time, the device issues error message F435. • Enable The measured level is linearized according to the table.
  • Page 144 Operating menu Levelflex FMP51 Modbus "Safety settings" submenu Navigation  Setup → Advanced setup → Safety sett. Output echo lost  Navigation  Setup → Advanced setup → Safety sett. → Output echo lost Description Output signal in case of a lost echo.
  • Page 145 Levelflex FMP51 Modbus Operating menu Ramp at echo lost  Navigation  Setup → Advanced setup → Safety sett. → Ramp echo lost Prerequisite Output echo lost (→  144) = Ramp at echo lost Description Slope of the ramp in the case of a lost echo...
  • Page 146 Operating menu Levelflex FMP51 Modbus For FMP51/FMP52/FMP54 with the Interface measurement application package for FMP55: 100 mm (3.9 in) for all antenna types Additional information Signals in the upper blocking distance are only evaluated if they have been outside the blocking distance when the device was switched on and move into the blocking distance due to a level change during operation.
  • Page 147 Levelflex FMP51 Modbus Operating menu "Probe settings" submenu The Probe settings submenu helps to ensure that the device correctly assigns the end of probe signal within the envelope curve. The assignment is correct if the length of probe indicated by the device matches the acutal lenght of the probe. The automatic probe length correction can only be performed if the probe is installed in the vessel and is completely uncovered (no medium) over the entire length.
  • Page 148 Operating menu Levelflex FMP51 Modbus Confirm probe length  Navigation  Setup → Advanced setup → Probe settings → Confirm length Description Specify whether the value displayed in the Present probe length parameter matches the actual length of the probe. Based on this input, the device performs a probe length correction.
  • Page 149 Levelflex FMP51 Modbus Operating menu "Probe length correction" wizard The Probe length correction wizard is only available when operating via the local display. When operating via an operating tool, the parameters for probe length correction are located directly in the Probe settings submenu (→  147).
  • Page 150 Operating menu Levelflex FMP51 Modbus Present probe length  Navigation  Setup → Advanced setup → Probe settings → Prob.length corr → Pres. length Description • In most cases: Displays the length of the probe according to the currently measured end-of-probe signal.
  • Page 151 Levelflex FMP51 Modbus Operating menu "Switch output" submenu The Switch output submenu (→  151) is only available for devices with a switch output. Navigation  Setup → Advanced setup → Switch output Switch output function  Navigation  Setup → Advanced setup → Switch output → Switch out funct Description Defines the function of the switch output.
  • Page 152 Operating menu Levelflex FMP51 Modbus Assign status  Navigation  Setup → Advanced setup → Switch output → Assign status Prerequisite Switch output function (→  151) = Digital Output Description Assigns a Discrete Output Block or an Advanced Diagnostic Block to the switch output.
  • Page 153 Levelflex FMP51 Modbus Operating menu Selection • Alarm • Alarm or warning • Warning Switch-on value  Navigation  Setup → Advanced setup → Switch output → Switch-on value Prerequisite Switch output function (→  151) = Limit Description Defines the switch-on point.
  • Page 154 Operating menu Levelflex FMP51 Modbus A0015586 Switch-on value Switch-off value Output closed (conductive) Output opened (non-conductive) Switch-on delay  Navigation  Setup → Advanced setup → Switch output → Switch-on delay Prerequisite • Switch output function (→  151) = Limit •...
  • Page 155 Levelflex FMP51 Modbus Operating menu Switch-off delay  Navigation  Setup → Advanced setup → Switch output → Switch-off delay Prerequisite • Switch output function (→  151) = Limit • Assign limit (→  152) ≠ Off Description Defines the delay applied before the output is switched off.
  • Page 156 Operating menu Levelflex FMP51 Modbus Additional information Meaning of the options • No The behavior of the switch output is as described above. • Yes The states Open and Closed are inverted as compared to the description above. Endress+Hauser...
  • Page 157 Levelflex FMP51 Modbus Operating menu "Display" submenu Display submenu is only visible if a display module is connected to the device. Navigation  Setup → Advanced setup → Display Language Navigation  Setup → Advanced setup → Display → Language Description Set display language.
  • Page 158 Operating menu Levelflex FMP51 Modbus Additional information 4841.000 Â A0019963  42 "Format display" = "1 value, max. size" Â 93.5 % Â 159.0 A0019964  43 "Format display" = "1 bargraph + 1 value" Â 93.5 Â 159.0 A0019965 ...
  • Page 159 Levelflex FMP51 Modbus Operating menu Value 1 to 4 display  Navigation  Setup → Advanced setup → Display → Value 1 display Description Select the measured value that is shown on the local display. Selection • Level linearized • Distance •...
  • Page 160 Operating menu Levelflex FMP51 Modbus Display interval Navigation  Setup → Advanced setup → Display → Display interval Description Set time measured values are shown on display if display alternates between values. User entry 1 to 10 s Additional information This parameter is only relevant if the number of selected measuring values exceeds the number of values the selected display format can display simultaneously.
  • Page 161 Levelflex FMP51 Modbus Operating menu Header text  Navigation  Setup → Advanced setup → Display → Header text Prerequisite Header (→  160) = Free text Description Enter display header text. User entry Character string comprising numbers, letters and special characters (12) Additional information The number of characters which can be displayed depends on the characters used.
  • Page 162 Operating menu Levelflex FMP51 Modbus Additional information • Is only valid for numbers in the operating menu (e.g. Empty calibration, Full calibration), but not for the measured value display. The number of decimal places for the measured value display is defined in the Decimal places 1 to 4 parameters •...
  • Page 163 Levelflex FMP51 Modbus Operating menu "Configuration backup display" submenu This submenu is only visible if a display module is connected to the device. The configuration of the device can be saved to the display module at a certain point of time (backup).
  • Page 164 Operating menu Levelflex FMP51 Modbus Additional information Meaning of the options • Cancel No action is executed and the user exits the parameter. • Execute backup A backup copy of the current device configuration in the HistoROM (built-in in the device) is saved to the display module of the device.
  • Page 165 Levelflex FMP51 Modbus Operating menu Additional information Meaning of the display options • Settings identical The current device configuration of the HistoROM is identical to the backup copy in the display module. • Settings not identical The current device configuration of the HistoROM is not identical to the backup copy in the display module.
  • Page 166 Enter access code parameter (→  121). Please contact your Endress+Hauser Sales Center if you lose the access code. If operating via the local display: the new access code is only valid once it has been confirmed in the Confirm access code parameter (→...
  • Page 167 Levelflex FMP51 Modbus Operating menu Additional information Meaning of the options • Cancel No action • To factory defaults All parameters are reset to the order-code specific factory setting. • To delivery settings All parameters are reset to the delivery setting. The delivery setting may differ from the factory default if customer specific settings have been ordered.
  • Page 168 Operating menu Levelflex FMP51 Modbus "Define access code" wizard The Define access code wizard is only available when operating via the local display. When operating via an operating tool, the Define access code parameter is located directly in the Administration submenu. The Confirm access code parameter is not available for operation via operating tool.
  • Page 169 Levelflex FMP51 Modbus Operating menu Timestamp Navigation  Diagnostics → Timestamp Description Displays the timestamp for the currently active diagnostic message. Previous diagnostics Navigation  Diagnostics → Prev.diagnostics Description Displays the last diagnostic message which has been active before the current message.
  • Page 170 Operating menu Levelflex FMP51 Modbus 15.4.1 "Diagnostic list" submenu Navigation  Diagnostics → Diagnostic list Diagnostics 1 to 5 Navigation  Diagnostics → Diagnostic list → Diagnostics 1 Description Display the current diagnostics messages with the highest to fifth-highest priority.
  • Page 171 Levelflex FMP51 Modbus Operating menu 15.4.2 "Event logbook" submenu The Event logbook submenu is only available when operating via the local display. When operating via FieldCare, the event list can be displayed in the FieldCare function "Event List / HistoROM".
  • Page 172 Shows the serial number of the measuring device. Additional information Uses of the serial number • To identify the device quickly, e.g. when contacting Endress+Hauser. • To obtain specific information on the device using the Device Viewer: www.endress.com/deviceviewer The serial number is also indicated on the nameplate.
  • Page 173 Levelflex FMP51 Modbus Operating menu Order code  Navigation  Diagnostics → Device info → Order code Description Shows the device order code. User interface Character string comprising numbers, letters and special characters Additional information The order code is generated from the extended roder code, which defines all device features of the product structure.
  • Page 174 Operating menu Levelflex FMP51 Modbus Device type Navigation  Diagnostics → Device info → Device type Description Shows the device type with which the measuring device is registered with the HART Communication Foundation. Additional information Manufacturer ID Navigation  Diagnostics → Device info → Manufacturer ID...
  • Page 175 Levelflex FMP51 Modbus Operating menu 15.4.4 "Measured values" submenu Navigation  Diagnostics → Measured val. Distance Navigation  Diagnostics → Measured val. → Distance Description Displays the measured distance D between the reference point (lower edge of the flange or threaded connection) and the level.
  • Page 176 Operating menu Levelflex FMP51 Modbus Level linearized Navigation  Diagnostics → Measured val. → Level linearized Description Displays linearized level. Additional information • This unit is defined by the Unit after linearization parameter. • In the case of interface measurements, this parameter always refers to the total level.
  • Page 177 Levelflex FMP51 Modbus Operating menu Thickness upper layer Navigation  Diagnostics → Measured val. → Thickn.upp.layer Prerequisite Operating mode (→  106) = Interface or Interface with capacitance Description Displays the upper interface thickness (UP). Additional information A0013313 UP Thickness upper layer The unit is defined by the Unit after linearization parameter →...
  • Page 178 Operating menu Levelflex FMP51 Modbus 15.4.5 "Data logging" submenu Navigation  Diagnostics → Data logging Assign channel 1 to 4  Navigation  Diagnostics → Data logging → Assign chan. 1 to 4 Description Assign a process variable to logging channel.
  • Page 179 Levelflex FMP51 Modbus Operating menu Logging interval  Navigation  Diagnostics → Data logging → Logging interval  Diagnostics → Data logging → Logging interval Description Define the logging interval tlog for data logging. This value defines the time interval between the individual data points in the memory.
  • Page 180 Operating menu Levelflex FMP51 Modbus "Display channel 1 to 4" submenu The Display channel 1 to 4 submenus are only available for operation via the local display. When operating via FieldCare, the logging diagram can be displayed in the FieldCare function "Event List / HistoROM" .
  • Page 181 Levelflex FMP51 Modbus Operating menu 15.4.6 "Simulation" submenu The Simulation submenu is used to simulate specific measuring values or other conditions. This helps to check the correct configuration of the device and connected control units. Conditions which can be simulated...
  • Page 182 Operating menu Levelflex FMP51 Modbus Structure of the submenu Navigation  Expert → Diagnostics → Simulation ‣ Simulation Assign measurement variable →  183 Process variable value →  183 Switch output simulation →  183 →  184 Switch status Device alarm simulation →...
  • Page 183 Levelflex FMP51 Modbus Operating menu Description of parameters Navigation  Expert → Diagnostics → Simulation Assign measurement variable  Navigation  Expert → Diagnostics → Simulation → Assign meas.var. Description Defines the process variable to be simulated. Selection • Off •...
  • Page 184 Operating menu Levelflex FMP51 Modbus Selection • Off • On Switch status  Navigation  Expert → Diagnostics → Simulation → Switch status Prerequisite Switch output simulation (→  183) = On Description Current status of the switch output. Selection •...
  • Page 185 Levelflex FMP51 Modbus Operating menu 15.4.7 "Device check" submenu Navigation  Diagnostics → Device check Start device check  Navigation  Diagnostics → Device check → Start dev. check Description Start a device check. Selection • No • Yes Additional information In the case of a lost echo a device check can not be performed.
  • Page 186 Operating menu Levelflex FMP51 Modbus Level signal Navigation  Diagnostics → Device check → Level signal Prerequisite Device check has been performed. Description Displays result of the device check for the level signal. User interface • Check not done • Check not OK •...
  • Page 187 Levelflex FMP51 Modbus Operating menu 15.5 Modbus register assignment 15.5.1 Register table Register Parameter Data type Swap mode Description Main version UINT16 Main firmware version code Major version UINT16 Major firmware version code Minor version UINT16 Minor firmware version code Build no.
  • Page 188 Operating menu Levelflex FMP51 Modbus Register Parameter Data type Swap mode Description 2008 Quaternary variable (QV) UINT32 ABCD Fourth HART variable 2010 Status UINT64 See "Format of the status bytes" →  189 2014 Diagnostics UINT64 ABCD See "Format of the diagnostic bytes" →  188...
  • Page 189 Levelflex FMP51 Modbus Operating menu 15.5.3 Format of the status bytes Bad Modbus Message Counter IOM to MB Timeout Counter 24 23 Device Status Byte 15 Device Status Byte 14 Device Status Byte 3 Device Status Byte 0 A0043329 The device status is determined from HART Command 48.
  • Page 190 Index Levelflex FMP51 Modbus Index Access authorization to parameters Data logging (Submenu) ..... 178 Read access ......48 DC value (Parameter) .
  • Page 191 Levelflex FMP51 Modbus Index Event level Local display Explanation ......72 see Diagnostic message Symbols .
  • Page 192 Index Levelflex FMP51 Modbus Record map (Parameter) ....118, 119 Probe settings ......147 Registered trademarks .
  • Page 193 Levelflex FMP51 Modbus Index Write access ....... 48 Write protection Via access code .
  • Page 194 *71664115* 71664115 www.addresses.endress.com...