Endress+Hauser Prosonic M FMU41 Operating Instructions Manual
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Endress+Hauser Prosonic M FMU41 Operating Instructions Manual

Ultrasonic level measurement
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Operating Instructions

Prosonic M FMU40/41/42/43/44
Ultrasonic Level Measurement
6
BA237F/00/en/04.07
52010990
Valid as of software version:
V 01.04.00 (amplifier)
V 01.04.00 (communication)

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Summary of Contents for Endress+Hauser Prosonic M FMU41

  • Page 1: Operating Instructions

    Operating Instructions Prosonic M FMU40/41/42/43/44 Ultrasonic Level Measurement BA237F/00/en/04.07 52010990 Valid as of software version: V 01.04.00 (amplifier) V 01.04.00 (communication)
  • Page 2 Short instructions Short instructions KA 183F/00/a2/02.02 Prosonic M - Quick Setup 52010993 Contrast: measured value dist./ meas value Group selection basic setup tank shape medium process empty blocking full dist./ check range of start property cond. calibr. distance calibr. meas value distance mapping mapping...

  • Page 3: Table Of Contents

    Certificates and approvals ....13 8.10 Contact addresses of Endress+Hauser ... 60 Registered trademarks .

  • Page 4: Safety Instructions

    Safety instructions Safety instructions Designated use The Prosonic M is a compact measuring device for continuous, non-contact level measurement. Depending on the sensor, the measuring range is up to 15m in fluids and up to 7m in bulk solids. By using the linearisation function, the Prosonic M can also be used for flow measurements in open channels and measuring weirs.

  • Page 5: Notes On Safety Conventions And Symbols

    Safety instructions Notes on safety conventions and symbols In order to highlight safety-relevant or alternative operating procedures in the manual, the following conventions have been used, each indicated by a corresponding symbol in the margin. Safety conventions Warning! A warning highlights actions or procedures which, if not performed correctly, will lead to personal injury, a safety hazard or destruction of the instrument "...

  • Page 6: Identification

    Identification Identification Nameplate ENDRESS+HAUSER Made in Germany PROSONIC-M D-79689 Maulburg Order Code: Ser.-No.: IP68 / NEMA 6P Profibus PA Foundation Fieldbus 90 … 253 V AC 4VA 10,5 …32 V DC 1W 14 … 36 V DC 0,8W 4 … 20 mA HART...

  • Page 7: Product Structure Fmu 40

    Identification Product structure FMU 40 Certificates A Variant for non-hazardous area ATEX II 1/2 G or II 2 G; EEX ia IIC T6 ATEX II 1/2 G or II 2 G; EEX d [ia] IIC T6 G ATEX II 3G EEx nA II T6 ATEX II 1/2D, Alu blind cover ATEX II 1/3D FM IS Cl.

  • Page 8: Product Structure Fmu 41

    Identification Product structure FMU 41 Certificates A Variant for non-hazardous area ATEX II 1/2 G or II 2 G; EEX ia IIC T6 ATEX II 1/2 G or II 2 G; EEX d [ia] IIC T6 G ATEX II 3G EEx nA II T6 ATEX II 1/2D, Alu blind cover ATEX II 1/3D FM IS Cl.

  • Page 9: Product Structure Fmu 42

    Identification Product structure FMU 42 Certificates A Variant for non-hazardous area ATEX II 1/2 G EEX ia IIC T6 ATEX II 1/2 G EEX d [ia] IIC T6 G ATEX II 3G EEx nA II T6 (in preparation) ATEX II 1/2 D, Alu bond cover ATEX II 1/3D FM IS Cl.

  • Page 10: Product Structure Fmu 43

    Identification Product structure FMU 43 Certificates A Variant for non-hazardous area ATEX II 1/2 D or II 2 D, Aluminium Deckel ATEX II 1/3 D or II 3 D, Sichtdeckel M FM DIP Class II, III, Div. 1, Gr. E,F,G NI N CSA General Purpose CSA DIP, Class II, III, Div.

  • Page 11: Product Structure Fmu 44

    Identification Product structure FMU 44 Approval A Non-hazardous area ATEX II 1/2G EEx ia IIC T6 (in preparation) ATEX II 1/2G EEx d (ia) IIC T6 (in preparation) G ATEX II 3 G EEx nA II T6 (in preparation) ATEX II 1/2 D, Alu blind cover (in preparation) ATEX II 1/3 D FM IS Cl.I,II,III Div.1 Gr.A-G, NI Cl.I Div.2 (in preparation) FM XP Cl.I,II,III Div.1 Gr.A-G (in preparation)
  • Page 12 Identification Housing A F12 Alu, coated IP68 NEMA6P C T12 Alu, coated IP68 NEMA6P, Separate conn. compartment D T12 Alu, coated IP68 NEMA6P + OVP, Sep. conn. compartment, OVP = overvoltage protection Special version, to be specified CAble entry Gland M20 (EEx d > thread M20) Thread G1/2 Thread NPT 1/2 Plug M12...

  • Page 13: Scope Of Delivery

    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 EG directives. Endress+Hauser confirms the successful testing of the device by affixing to it the CE mark.

  • Page 14: Installation

    Installation Installation Design; dimensions 3.1.1 FMU40, FMU41 (2.6) (3.1) 32 (1.3) ( 3.4) (2.6) (3.1) (2.7) (3.7) ENDRESS+HAUSER ENDRESS+HAUSER Prosonic M Prosonic M (3.3) (3.3) FMU 40 FMU 41 SW (AF) 60 SW (AF) 60 G1½” G2” 1½ NPT 2 NPT Ø...
  • Page 15 119 (4.7) (3.9) L00-FMU4xxxx-06-00-00-yy-008 Dimensions in mm (inch) 3.1.4 FMU43 (3.1) (3.4) (2.6) ENDRESS+HAUSER Prosonic M 2 x M8 85 (3.3) ANSI 4” DN 100 * Ø 230 (9.1) L00-FMU4xxxx-06-00-00-yy-009 Abb. 2: Dimensions in mm (inch); A: with slip-on flange; B: with mounting bracket 3.1.5...
  • Page 16 Installation 3.1.6 Flanges for FMU42 and FMU44 G2” ISO228 L00-FMU4xxxx-06-00-00-yy-011 suitable for number of boreholes 3" 150lbs / DN80 PN16 / 10K 80 150 mm 160 mm 200 mm 19 mm 45° (5,91") (6,30") (7,87") (0,75") 4" 150 lbs / DN100 PN16 / 10K 100 175 mm 190,5 mm 228,6 mm...

  • Page 17: Installation Variants

    Sealing ring (EPDM) supplied counter nut (PC) supplied for G 1½” and G 2” instruments Installation with installation bracket Installation with adapter flange ENDRESS+HAUSER Prosonic M Sealing ring (EPDM) adapter flange supplied sensor nozzle L00-FMU4xxxx-17-00-00-en-002 For installation bracket or adapter flange s. chapter "Accessories".
  • Page 18 Installation 3.2.2 Installation variants FMU42, FMU44 Installation with mounting bracket Installation with universal flange e.g. Zone 20 Zone 20 L00-FMU42xxxx-17-00-00-en-001 3.2.3 Installation variants FMU 43 Installation with Installation with universal slip-on flange (option) mounting bracket slip-on flange sensor nozzle e.g.Zone 20 Zone 20 L00-FMU43xxxx-17-00-00-en-001...

  • Page 19: Installation Conditions

    15 m 0.79 m FMU44 11 ° 20 m 1.93 m 3.3.2 Installation in narrow shafts In narrow shafts with strong interference ENDRESS+HAUSER ENDRESS+HAUSER ENDRESS+HAUSER ENDRESS+HAUSER Prosonic M Prosonic M Prosonic M Prosonic M echoes, we recommend using an ultrasound guide pipe (e.g.
  • Page 20 Installation 3.3.3 Installation conditions for flow measurements • Install the Prosonic M at the inflow side, as close above the maximum water level H as possible (take into account the blocking distance BD). • Position the Prosonic M in the middle of the channel or weir. •...
  • Page 21 Installation Example: Triangular weir min. 2 H α (= full calibr.) min. 2 H min. 3 H L00-FMU4xxxx-17-00-00-en-012...

  • Page 22: Measuring Range

    Installation Measuring range 3.4.1 Blocking distance, Nozzle mounting Install the Prosonic M at a height so that the blocking distance BD is not undershot, even at maximum fill level. Use a pipe nozzle if you cannot maintain the blocking distance in any other way. The interior of the nozzle must be smooth and may not contain any edges or welded joints.
  • Page 23 Installation 3.4.2 Safety distance If the level rises to the safety distance SD, the device switches to warning or alarm status. The size of SD can be set freely in the "Safety distance" (015) function.The "in safety distance" (016) function defines how the device reacts if the level enters the safety distance. There are three options: •...

  • Page 24: Installation Hint For Fmu 40/41

    Installation Installation hint for FMU 40/41 Screw the Prosonic M at the screw-in piece F12 or T12 housing using an 60 AF spanner. Maximum torque: 20 Nm. Caution! Use only the screw-in piece to screw in the Prosonic M AF 60 max torque 20 Nm L00-FMU4xxxx-17-00-00-en-009...

  • Page 25: Wiring

    Wiring Wiring Electrical connection " Caution! Before connection please note the following: • The power supply must be identical to the data on the nameplate. • Switch off power supply before connecting up the instrument. • Connect equipotential bonding to transmitter ground terminal before connecting up the instrument (s.

  • Page 26: Terminal Assignment

    Wiring 4.1.2 Wiring in the housing T12 Unscrew the cover (1) of the separate connection room. Insert cable (2) through gland (3). " Caution! If possible, insert the cable from above and let a draining loop in order to avoid intrusion of humidity.

  • Page 27: Supply Voltage

    Wiring Supply voltage 4.3.1 HART, 2-wire The following values are the voltages across the terminals directly at the instrument: Current Terminal voltage Terminal voltage Version consumption minimum maximum 2-wire HART 4 mA 14 V 36 V Standard 20 mA 36 V 4 mA 14 V 30 V...

  • Page 28: Potential Matching

    Wiring Potential matching L00-FMU4xxxx-17-00-00-yy-014 1: external ground terminal of the transmitter Connect the equipotential bonding to the external ground terminal of the transmitter. " Caution! In Ex applications, the instrument must only be grounded on the sensor side. Further safety instructions are given in the separate documentation for applications in explosion hazardous areas.

  • Page 29: Operation

    Operation Operation Display and operating elements 5.1.1 On-site display VU 331 The LCD module VU 331 for display and operation is located beneath the housing cover. The measured value is legible through the glass in the cover. Open the cover to operate the device. (liquid crystal display) Orde Ser.-...

  • Page 30: Display Appearance

    Operation 5.1.2 Display appearance position in menu label measured value display symbol value bargraph unit group selection selection list position in menu label function with free parameter help texts envelope curve envelope curve display L00-FMxxxxxx-07-00-00-en-002 In the measured value display, the bargraph corresponds to the output. The bargraph is segmented in 10 bars.

  • Page 31: Function Codes

    Operation 5.1.4 Function of the keys Key(s) Meaning Navigate upwards in the selection list Edit numeric value within a function Navigate downwards in the selection list Edit numeric value within a function Navigate to the left within a function group Navigate to the right within a function group, confirmation.

  • Page 32: Operating Options

    Operation Operating options 5.3.1 4…20 mA output with HART protocol The complete measuring system consists of: - ToF Tool - - ToF Tool - FieldTool FieldTool Package Package - FieldCare Commubox Power supply service adapter FXA191/195 (for 4-wire) FXA193 transmitter power supply unit RMA422 operating and...

  • Page 33: Operation Using The On-Site Display Vu 331

    Operation Operation using the on-site display VU 331 ENDRESS + HAUSER – >3 s Return to basic setup medium property tank shape Group Selection unknown dome ceiling safety settings liquid horizontal cyl temperature solid<4mm bypass solid>4mm stilling well linearisation flat ceiling sphere no ceiling L00-FMU4xxxx-19-00-00-en-018...

  • Page 34: Operation Using Tof Tool

    Operation Operation using ToF Tool The ToF Tool is a graphical operation software for instruments from Endress+Hauser. It is used to support commissioning, securing of data, signal analysis and documentation of the instruments. It is compatible with the following operating systems: WinNT4.0, Win2000 and WinXP.
  • Page 35 Operation 5.5.3 Envelope curve display The ToF Tool offers easy analysis of the envelope curve via the "Envelope" menu: L00-FMU4xxxx-19-00-00-en-004...

  • Page 36: Operation With Commuwin Ii

    Operation Operation with Commuwin II Commuwin II is an operating software with graphical support (MS Windows) for intelligent transmitters with the communication protocols Rackbus, Rackbus RS-485, HART and PROFIBUS- Commuwin II supports the following functions: • Online configuration of transmitters •...

  • Page 37: Lock/Unlock Configuration

    Operation Lock/unlock configuration 5.8.1 Software security locking Enter a number ¼ 100 in the "unlock parameter" (0A4) function in the "diagnostics" (0A) function group. symbol appears on the display. Inputs are no longer possible. If you try to change a parameter, the device jumps to the "unlock parameter" (0A4) function. Enter "100"...

  • Page 38: Resetting An Interference Echo Suppression (Tank Map)

    Operation 5.10 Resetting an interference echo suppression (tank map) It is always advisable to reset the interference echo suppression (tank mapping) when: • a device with an unknown history is used • an incorrect suppression was input. Proceed as follows: Switch to the "extended calibr."...

  • Page 39: Commissioning

    Commissioning Commissioning Commission the Prosonic M in the following stages: • Installation check • Power-up device • Basic calibration • Measuring signal check using the envelope curve The chapter describes the commissioning process using the on-site display. Commissioning using ToF Tool is identical. Access to the device functions using ToF Tool is described on Page 21. You can find detailed information in the Tof Tool operating instructions (BA 224F/00/en) on the supplied CD-ROM.

  • Page 40: Basic Calibration

    Measuring point settings Function "tank shape" (002) In this function, select one of the following options: dome ceiling horizontal cyl bypass stilling well ENDRESS+HAUSER Prosonic M (ultrasonic guide pipe) no ceiling sphere flat ceiling e.g. dumps, open levels chanels, weirs L00-FMU4xxxx-14-00-06-en-001 Function "medium property"...
  • Page 41 Commissioning Function "process conditions" (004) For this function, you have the following options: standard liquids calm surface turb. surface For all fluid applications which do not Storage tanks with immersion tube or Storage / accumulation tanks with fit in any of the following groups. bottom filling uneven surface due to free filling, mixing nozzles or small bottom stirrers...
  • Page 42 Test: no filter Dusty bulk solids Bulk solids with rapid level change All the filters can be switched off for purposes of service and diagnosis. ENDRESS+HAUSER Prosonic M L00-FMU4xxxx-14-00-00-xx-007 L00-FMU4xxxx-14-00-00-xx-005 The filters are set to detect even The averaging filters are set to small All filters off relatively weak signals.
  • Page 43 Commissioning 6.2.2 Empty and full calibration 20 mA 100% 4 mA L00-FMU4xxxx-19-00-00-yy-019 Function "empty calibration" (005) In this function, enter the distance E from the sensor membrane to the minimum level (zero point). " Caution! With dished boiler heads or conical outflows, the zero point should not be deeper than the point at which the ultrasonic wave impinges on the tank bottom.
  • Page 44 Commissioning 6.2.3 Interference echo suppression (tank mapping) Function "dist./measured value" (008) In the "dist./meas.value" (008) function, the measured distance D from the sensor membrane to the product surface is displayed together with level L. Check these values. Function "check distance" (051) The mapping is initialized by this function.
  • Page 45 Commissioning Function "start mapping" (053) You have the following options for this function: • off: Nothing is suppressed. • on: Starts suppression. Note! If a mapping already exists, it will be overwritten up to the distance specified in the "range of mapping"...

  • Page 46: Envelope Curve

    Commissioning Envelope curve After the basic setup, an evaluation of the measurement with the aid of the envelope curve ("envelope curve" (0E) function group) is recommended. 6.3.1 Funxtion "plot settings" (0E1) In this function, select whether you want to display •...
  • Page 47 Commissioning 6.3.4 Navigation in the envelope curve display Using navigation, the envelope curve can be scaled horizontally and vertically and shifted to the left or the right. The active navigation mode is indicated by a symbol in the top left hand corner of the display.
  • Page 48 Commissioning Exiting the navigation • Press again to run through the different modes of the envelope curve navigation. • Press to exit the navigation. The set increases and shifts are retained. Only when you reactivate the "recording curve" (0E2) function the display settings return to their standard values.

  • Page 49: Troubleshooting

    Troubleshooting Troubleshooting System error messages 7.1.1 Current error Errors which the Prosonic M detects during commissioning or operation are displayed: • In the "measured value" (000) function • In the "diagnostics" (0A) function group in the "present error" (0A0) function Only the highest priority error is displayed;...
  • Page 50 Troubleshooting Code Error description Action A281 interruption temperature Exchange sensor sensor A502 Sensor type not detected Exchange sensor and/or electronics A512 recording of mapping Alarm disappears after a few seconds A521 new sensor type detected Reset W601 linearisation curve not Correct table (enter monotonously increasing table) monotone W611...

  • Page 51: Application Errors

    Troubleshooting Application errors Error Example Elimination Measured value (00) is 1. Check empty calibration (005) and incorrect but measured full calibration (006). distance (008) is correct 100% F m/ft 2. Check linearisation – level/ullage (040) – max. scale(046) expected – diameter vessel(047) –...
  • Page 52 Troubleshooting Error Example Elimination E 641 (echo loss) 1. Check application parameters (002), (003) and (004) 2. If necessary, select a different installation position and/or a larger sensor 100% 3. Align the sensor parallel to the product surface (particularly for bulk solids applications) eingetreten E 641...

  • Page 53: Maintenance And Repairs

    Spare parts are contained in suitable kits. They contain the related replacement instructions. All the spare parts kits which you can order from Endress+Hauser for repairs are listed with their order numbers in the section "Spare parts".

  • Page 54: Spare Parts (Housing Type F12)

    Maintenance and repairs Spare parts (housing type F12) O r d d e : r. - N o .: s s b e r e i n a a s u ic h r in g r a n 6 .. .3 x .
  • Page 55 Maintenance and repairs 10 Housing 543120-0022 Housing F12, aluminium, G1/2 543120-0023 Housing F12, aluminium, NPT1/2 543120-0024 Housing F12, aluminium, M20 52001992 Housing F12, aluminium, M20, PA connector 52008556 Housing F12, aluminium, M20, FF connector 52013350 Housing F12, aluminium, coated, M20, 4-wire 52013351 Housing F12, aluminium, coated, M20, metal 52013348 Housing F12, aluminium, coated, G1/2, 4-wire 52013349 Housing F12, aluminium, coated, NPT1/2, 4-wire...
  • Page 56 Maintenance and repairs 71037028 Sensor FMU44, gasket 55 Flanges 52023919 Flange, Uni-DN80/ANSI 3"/JIS 80A, PP 52023920 Flange, Uni-DN80/ANSI 3"/JIS 80A, PVDF 52023921 Flange, Uni-DN80/ANSI 3"/JIS 80A, 316L 52023922 Flange, Uni-DN100/ANSI 4"/JIS 100A, PP 52023923 Flange, Uni-DN100/ANSI 4"/JIS 100A, PVDF 58 Hexagon nut 52000599 Hexagon nut (SW60) G1-1/2, bk, PC 52000598 Hexagon nut (SW70) G2, bk, PC 65 Sealing kit...

  • Page 57: Spare Parts (Housing Type T12)

    Maintenance and repairs Spare parts (housing type T12) O r d d e : r. - N o .: s s b e r e a s u ic h r in g r a n 6 .. .3 x . 2 4 ..
  • Page 58 Maintenance and repairs 10 Housing 543180-1023 Housing T12, aluminium, NPT1/2, PEL 52006204 Housing T12, aluminium, G1/2, PEL, cover 52006205 Housing T12, aluminium, M20, PEL, cover 11 Hood for terminal compartment 52005643 Hood T12 12 Set of screws 535720-9020 Set of screws for housing F12/T12 20 Cover 52005936 Cover F12/T12 aluminium, inspection glass, seal 517391-0011 Cover F12/T12 aluminium, coated, seal...
  • Page 59 Maintenance and repairs 58 Hexagon nut 52000599 Hexagon nut (SW60) G1-1/2, bk, PC 52000598 Hexagon nut (SW70) G2, bk, PC 65 Sealing kit 52010526 Sealing kit FMU4x Miscellaneous 52010545 Nameplate Prosonic M, modification...

  • Page 60: Return

    Maintenance and repairs Return The following procedures must be carried out before a transmitter is sent to Endress+Hauser e.g. for repair or calibration: • Remove all residue which may be present. Pay special attention to the gasket grooves and crevices where fluid may be present.

  • Page 61: Accessories

    Accessories Accessories Weather protection cover A Weather protection cover made of stainless steel is recommended for outdoor mounting (order code: 543199-0001). The shipment includes the protective cover and tension clamp. F12 / F23 / T12 housing M IC M IC O rd O rd P IL...

  • Page 62: Adapter Flange

    Accessories Adapter flange sealing ring adapter flange EPDM (supplied) sensor nozzle L00-FMUX3XXX-00-00-00-en-001 9.3.1 Version with metrical thread (FAU 70 E) Process Connection 12 DN 50 PN 16 A, flange EN1092-1 (DIN2527 B) 14 DN 80 PN 16 A, flange EN1092-1 (DIN2527 B) 15 DN 100 PN 16, A, flange EN1092-1 (DIN2527 B) Sensor Connection Thread ISO228 G1-1/2...

  • Page 63: Cantilever

    Accessories Cantilever L00-FMU4xxxx-06-00-00-yy-005 for Sensor Material Order Code 585 mm 250 mm 2 mm 200 mm FMU 40 1.4301 (AISI 304) 52014132 galv. steel 52014131 FMU 41 1.4301 (AISI 304) 52014136 galv. steel 52014135 1085 mm 750 mm 3 mm 300 mm FMU 40 1.4301 (AISI 304)

  • Page 64: Mounting Frame

    Accessories Mounting Frame 33.7 Ø L00-FMU4x-00-00-00-yy-005 Height Material Order Code 700 mm galv. steel 919791-0000 700 mm 1.4301 (AISI 304) 919791-0001 1400 mm galv. steel 919791-0002 1400 mm 1.4301 (AISI 304) 919791-0003 Wall Bracket ø 33.7 L00-FMU4x-00-00-00-yy-006 Material Order Code galv.

  • Page 65: Mounting Bracket For Fmu 42/43/44

    9.10 Commubox FXA291 The Commubox FXA291 connects Endress+Hauser field instruments with CDI interface (= Endress+Hauser Common Data Interface) to the USB interface of a personal computer or a notebook. For details refer to TI405C/07/en. Note! For the following Endress+Hauser instruments you need the "ToF Adapter FXA291" as an additional accessory: •...

  • Page 66: Tof Adapter Fxa291

    9.11 ToF Adapter FXA291 The ToF Adapter FXA291 connects the Commubox FXA291 via the USB interface of a personal computer or a notebook to the following Endress+Hauser instruments: • Cerabar S PMC71, PMP7x • Deltabar S PMD7x, FMD7x • Deltapilot S FMB70 •...

  • Page 67: Remote Display Fhx40

    Accessories 9.12 Remote display FHX40 Wall-mounting Pipe-mounting (without mounting bracket) (mounting bracket and plate supplied optionally, s. product structure) Separate housing FHX 40 (IP 65) Micropilot M Levelflex M Prosonic M O rd O rd r. -N r. -N d e : d e : o.

  • Page 68: Technical Data

    Technical Data Technical Data 10.1 Technical data at a glance 10.1.1 Input Measured variable The distance D between the sensor membrane and the product surface is measured. Using the linearisation function, the device uses D to calculate: • level L in any units •...
  • Page 69 Technical Data Power consumption Version Power consumption 2-wire 51 mW ... 800 mW 4-wire AC max. 4VA 4-wire DC; FMU 40/41 330 mW ... 830 mW 4-wire DC; FMU 42/43 600 mW ... 1 W Minimum load for HART communication: 250 Ω Load HART 47...125 Hz: Vpp = 200 mV (measured at 500 Ω) HART ripple...

  • Page 70: Ambient Conditions

    Technical Data Measuring error Typical specifications for reference operating conditions (include linearity, repeatability, and hysteresis): Sensor Measuring error FMU40 ±2mm or 0.2% of set measuring distance (empty calibration) FMU41 ± 2 mm or 0,2% of set measuring distance (empty calibration) FMU42 ±...
  • Page 71 Technical Data...

  • Page 72: Appendix

    Appendix Appendix 11.1 Operating menu medium property basic setup tank shape process cond. empty calibr. full calibr. dome ceiling liquid standard liquid distance membrane span horizontal cyl. solid < 4mm calm surface to min. level max.: empty - BD bypass solid >...
  • Page 73 Appendix dist./meas. value check distance range of mapping. start mapping dist./meas. value the following are manual accept proposed value the following are displayed: distance = ok displayed: - distance membrane distance too small specify range of - distance membrane to level mapping to level - measured value...

  • Page 74: Measuring Principle

    Appendix 11.2 Measuring principle 20 mA 100% 4 mA L00-FMU4x-15-00-00-de-001 E: Empty distance; F: Span (full distance); D: Distance from sensor membrane - product surface; L: Level; BD: Blocking distance Sensor Max. range fluids Max. range bulk materials FMU40 0.25 m FMU41 0.35 m 3.5 m...
  • Page 75 Appendix 11.2.4 Blocking distance Span F may not extend into the blocking distance BD. Level echos from the blocking distance cannot be evaluated due to the transient characteristics of the sensor.

  • Page 76: Index

    Index Index alarm ........49 range .
  • Page 77 Erklärung zur Kontamination und Reinigung Please reference the Return Authorization Number (RA#), obtained from Endress+Hauser, on all paperwork and mark the RA# clearly on the outside of the box. If this procedure is not followed, it may result in the refusal of the package at our facility.
  • Page 78 www.endress.com/worldwide BA237F/00/en/04.07 CCS/FM+SGML 6.0/ProMoDo 52010990...

This manual is also suitable for:

Prosonic m fmu42Prosonic m fmu44Prosonic m fmu43Prosonic m fmu40

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