Endress+Hauser Levelflex FMP51 Modbus Technical Information
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Endress+Hauser Levelflex FMP51 Modbus Technical Information

Endress+Hauser Levelflex FMP51 Modbus Technical Information

Guided wave radar
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TI01454F/00/EN/01.19
71429962
2019-02-28
Products
Technical Information
Levelflex FMP51
Modbus
Guided wave radar
Level and interface measurement in liquids
Application
• Rod, rope or coax probe
• Process connection: Starting 3/4" thread or flange
• Process temperature: –50 to +200 °C (–58 to +392 °F)
• Process pressure: –1 to +40 bar (–14.5 to +580 psi)
• Maximum measuring range: Rod 10 m (33 ft); rope 45 m (148 ft); coax 6 m (20 ft)
• Accuracy: ±2 mm (±0.08 in)
• International explosion protection certificates; EN10204-3.1
• Linearity protocol (3-point)
Your benefits
• Reliable measurement even for changing product and process conditions
• HistoROM data management for easy commissioning, maintenance and
diagnostics
• Highest reliability due to Multi-Echo Tracking
• Seamless integration into control or asset management systems
• Intuitive user interface in national languages
Solutions
Services

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Summary of Contents for Endress+Hauser Levelflex FMP51 Modbus

  • Page 1 Products Solutions Services TI01454F/00/EN/01.19 71429962 2019-02-28 Technical Information Levelflex FMP51 Modbus Guided wave radar Level and interface measurement in liquids Application • Rod, rope or coax probe • Process connection: Starting 3/4" thread or flange • Process temperature: –50 to +200 °C (–58 to +392 °F) •...

  • Page 2: Table Of Contents

    Levelflex FMP51 Modbus Table of contents Important document information ....4 Process pressure range ......50 Dielectric constant (DC) .
  • Page 3 Levelflex FMP51 Modbus Documentation ......86 Standard documentation ......86 Supplementary documentation .

  • Page 4: Important Document Information

    Levelflex FMP51 Modbus Important document information Symbols Safety symbols Symbol Meaning DANGER! This symbol alerts you to a dangerous situation. Failure to avoid this situation will DANGER result in serious or fatal injury. WARNING! This symbol alerts you to a dangerous situation. Failure to avoid this situation can WARNING result in serious or fatal injury.
  • Page 5 Levelflex FMP51 Modbus Symbols in graphics Symbol Meaning 1, 2, 3 ... Item numbers … Series of steps A, B, C, ... Views A-A, B-B, C-C, ... Sections Hazardous area Indicates a hazardous area. Safe area (non-hazardous area) Indicates the non-hazardous area.

  • Page 6: Terms And Abbreviations

    Levelflex FMP51 Modbus Terms and abbreviations Term/abbreviation Explanation Document type "Operating Instructions" Document type "Brief Operating Instructions" Document type "Technical Information" Document type "Special Documentation" Document type "Safety Instructions" Nominal pressure Maximum Working Pressure The MWP can also be found on the nameplate.

  • Page 7: Registered Trademarks

    Levelflex FMP51 Modbus Registered trademarks Modbus ® Registered trademark of SCHNEIDER AUTOMATION, INC. KALREZ ® , VITON ® Registered trademark of DuPont Performance Elastomers L.L.C., Wilmington, USA ® TEFLON Registered trademark of E.I. DuPont de Nemours & Co., Wilmington, USA TRI CLAMP ®...

  • Page 8: Function And System Design

    Levelflex FMP51 Modbus Function and system design Measuring principle Basic principles The Levelflex is a "downward-looking" measuring system that functions according to the ToF method (ToF = Time of Flight). The distance from the reference point to the product surface is measured.
  • Page 9 Levelflex FMP51 Modbus Dielectric constant The dielectric constant (DC) of the medium has a direct impact on the degree of reflection of the highfrequency pulses. In the case of large DC values, such as for water or ammonia, there is strong pulse reflection while, with low DC values, such as for hydrocarbons, weak pulse reflection is experienced.
  • Page 10 50 mm (2 in) are admissible. For dielectric constants (DC values) of many media commonly used in various industries refer • the Endress+Hauser DC manual (CP01076F) • the Endress+Hauser "DC Values App" (available for Android and iOS) Endress+Hauser...
  • Page 11 Levelflex FMP51 Modbus Life cycle of the product Engineering • Universal measuring principle • Measurement unaffected by medium properties • Genuine, direct interface measurement Procurement Worldwide support and service Installation • Special tools are not required • Reverse polarity protection •...

  • Page 12: Measuring System

    Levelflex FMP51 Modbus Measuring system General notes on probe selection • Normally use rod or coax probes for liquids. Rope probes are used in liquids for measuring ranges > 10 m (33 ft) ( > 4 m (13 ft) for FMP52) and with restricted ceiling clearance which does not allow the installation of rigid probes.

  • Page 13: Input

    Levelflex FMP51 Modbus Input Measured variable The measured variable is the distance between the reference point and the product surface. Subject to the empty distance entered "E" the level is calculated. Alternatively, the level can be converted into other variables (volume, mass) by means of linearization (32 points).

  • Page 14: Blocking Distance

    Levelflex FMP51 Modbus Blocking distance The upper blocking distance (= UB) is the minimum distance from the reference point of the measurement (mounting flange) to the maximum level. 100% A0011279  3 Definition of blocking distance and safety distance Reference point of measurement...

  • Page 15: Output

    Levelflex FMP51 Modbus Output Output signal Modbus Physical interface RS485 in accordance with EIA/TIA-485 standard Terminating resistor Not integrated Signal on alarm Depending on the interface, failure information is displayed as follows: • Local display – Status signal (in accordance with NAMUR Recommendation NE 107) –...

  • Page 16: Protocol-Specific Data

    Levelflex FMP51 Modbus Protocol-specific data Modbus Protocol • Modbus RTU • Level Master Response times • Direct data access: typically 25 to 50 ms • Auto-scan buffer (data range): typically 3 to 5 ms Device type Slave Slave address range...

  • Page 17: Power Supply

    Levelflex FMP51 Modbus Power supply Terminal assignment Modbus Connection to a Modbus master A (+) B (-) 10.5 - 29V A0035159 Modbus master Power supply Cable entry for Modbus connection Cable entry for supply voltage Protective earth connection Endress+Hauser...
  • Page 18 Cable entry for RS485 connection Cable entry for supply voltage Protective earth connection Connection to DeviceCare/FieldCare via service interface A0032466 Service interface (CDI) of the measuring device (= Endress+Hauser Common Data Interface) Commubox FXA291 Computer with DeviceCare/FieldCare operating tool Endress+Hauser...

  • Page 19: Power Consumption

    DIN EN 60079-14, standard for test procedures 60060-1 (10 kA, pulse 8/20 μs), an overvoltage protection module has to be installed. External overvoltage protection module HAW562 or HAW569 from Endress+Hauser are suited as external overvoltage protection. Endress+Hauser...

  • Page 20: Performance Characteristics

    Levelflex FMP51 Modbus Performance characteristics Reference operating • Temperature = +24 °C (+75 °F) ±5 °C (±9 °F) conditions • Pressure = 960 mbar abs. (14 psia) ±100 mbar (±1.45 psi) • Humidity = 60 % ±15 % • Reflection factor ≥ 0,8 (water surface for coax probe, metal plate for rod and rope probe with min.
  • Page 21 Levelflex FMP51 Modbus Differing from this, the following measuring error is present in the vicinity of the lower probe end: 80 (3.15) 60 (2.36) DC = 2 40 (1.57) DC = 80 20 (0.79) -20 (-0.79) -40 (-1.57) -60 (-2.36) -80 (-3.15)
  • Page 22 Levelflex FMP51 Modbus 120 (4.72) 100 (3.94) DC = 2 80 (3.15) 60 (2.36) DC = 80 40 (1.57) 20 (0.79) -20 (-0.79) -40 (-1.57) -60 (-2.36) -80 (-3.15) -100 (-3.94) -120 (-4.72) A0021483  6 Measuring error at the end-of-probe for probes with metallic centering disk (product structure: feature 610 "Accessory mounted", option OA, OB or OC)

  • Page 23: Resolution

    Levelflex FMP51 Modbus In the area of the upper probe end, the measuring error is as follows (rod/rope only): 40 (1.57) DC = 2 30 (1.18) DC = 80 10 (0.39) 2 (0.08) 0 (0) - 2 (- 0.08) - 10 (-0.39) - 30 (- 1.18)

  • Page 24: Mounting

    Levelflex FMP51 Modbus Mounting Mounting requirements Suitable mounting position A0012606  8 Montagebedingungen für Levelflex Mounting distances • Distance (A) between wall and rod or rope probe: – for smooth metallic walls: > 50 mm (2 in) – for plastic walls: > 300 mm (12 in) to metallic parts outside the vessel –...
  • Page 25 Levelflex FMP51 Modbus Additional conditions • When mounting in the open, a weather protection cover (1) may be installed 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 26 Levelflex FMP51 Modbus Applications with restricted mounting space Mounting with remote sensor The device version with a remote sensor is suited for applications with restricted mounting space. In this case the electronics housing is mounted at a separate position from which it is easier accessible.
  • Page 27 Levelflex FMP51 Modbus Divisible probes 14 mm 14 mm A0021647 If there is little mounting space (distance to the ceiling), it is advisable to use divisible rod probes ( 16 mm). • max. probe length 10 m (394 in) • max. sideways capacity 30 Nm •...
  • Page 28 Levelflex FMP51 Modbus Notes on the mechanical load of the probe Tensile load limit of rope probes Sensor Feature 060 Probe Tensile load limit [kN] FMP51 LA, LB Rope 4mm (1/6") 316 MB, MD Bending strength of rod probes Sensor...
  • Page 29 Levelflex FMP51 Modbus 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 Bending strength of coax probes Sensor Feature 060 Process connection Probe Bending strength...
  • Page 30 Levelflex FMP51 Modbus Notes on the process connection Probes are mounted to the process connection with threaded connections or flanges. If during this installation there is the danger that the probe end moves so much that it touches the tank floor or cone at times, the probe must, if necessary, be shortened and fixed down →...
  • Page 31 Levelflex FMP51 Modbus Nozzle mounting ø 150 (6) £ A0015122 Length of the center rod or the rigid part of the rope probe • Permissible nozzle diameter: ≤ 150 mm (6 in). For larger diameters the near range measuring capability may be reduced.
  • Page 32 Levelflex FMP51 Modbus Center rod For rope probes it may be necessary to use a version with center rod in order to prevent the probe rod from coming into contact with the nozzle wall. Probe Max. nozzle height (= length of the center rod) Option to be selected in feature 060 ("Probe")
  • Page 33 Levelflex FMP51 Modbus Installation in nozzles ≥ DN300 If installation in ≥ 300mm/12" nozzles is unavoidable, installation must be carried out in accordance with the following sketch. A0014199 Lower edge of the nozzle Approx. flush with the lower edge of the nozzle (± 50 mm/2") Plate Pipe ...
  • Page 34 Levelflex FMP51 Modbus Securing the probe Securing rope probes A0012609 Sag of the rope: ≥ 1 cm per 1m of the probe length (0.12 inch per 1 ft of the probe length) Reliably grounded end of probe Reliably isolated end of probe...
  • Page 35 Levelflex FMP51 Modbus Securing rod probes • For WHG approvals: For probe lengths ≥ 3 m (10 ft) a support is required. • In general, rod probes must be supported if there is a horizontal flow (e.g. from an agitator) or in the case of strong vibrations.
  • Page 36 Levelflex FMP51 Modbus Securing coax probes For WHG approvals: For probe lengths ≥ 3 m (10 ft) a support is required. A0012608 Coax probes can be supported at any point of the outer tube. Endress+Hauser...
  • Page 37 Levelflex FMP51 Modbus Special mounting conditions Bypasses and stilling wells In bypass and stilling well applications it is recommended to use a centering disks or stars. øD A0012615  10 Dimensions: mm (in) Mounting in a stilling well Mounting in a bypass...
  • Page 38 Levelflex FMP51 Modbus • Pipe diameter: > 40 mm (1.6") for rod probes • Rod probe installation can take place up to a diameter size of 150 mm (6 in). In the event of larger diameters, a coax probe is recommended.
  • Page 39 Levelflex FMP51 Modbus Installation in horizontal and upright cylindrical tanks A0014141 • Any distance from wall, as long as occasional contact is prevented. • When installing in tanks with a lot of internals or internals situated close to the probe: use a coax probe.
  • Page 40 Levelflex FMP51 Modbus Underground tanks A0014142 Use a coax probe for nozzles with large diameters in order to avoid reflections at the nozzle wall. Endress+Hauser...
  • Page 41 Levelflex FMP51 Modbus Installation at an angle A0014145 • For mechanical reasons, the probe should be installed as vertically as possible. • With inclined installations the probe length has to be adjusted in dependence to the installation angle. – Up to LN = 1 m (3.3 ft): α = 30°...
  • Page 42 Levelflex FMP51 Modbus Non-metallic vessels A0012527 Non-metallic vessel Metal sheet or metal flange To ensure reliable measurements in non-metallic vessels: • Select an instrument version with metal flange (minimum size DN50/2"). • Or: mount a metal sheet with a diameter of at least 200 mm (8 in) to the probe at the process connection.
  • Page 43 Levelflex FMP51 Modbus Plastic or glass tanks: Mounting the probe externally at the wall A0014150 Plastic or glass tank Metall sheet with threaded sleeve No free space between tank wall and probe! Requirements • The dielectric constant of the medium must be at least DC > 7.
  • Page 44 Levelflex FMP51 Modbus Vessels with heat insulation If process temperatures are high, the device must be included in normal tank insulation to prevent the electronics heating up as a result of heat radiation or convection. The insulation may not exceed beyond the points labeled "MAX" in the drawings.

  • Page 45: Operating Conditions: Environment

    Levelflex FMP51 Modbus Operating conditions: Environment Ambient temperature range Measuring device –40 to +80 °C (–40 to +176 °F) Local display –20 to +70 °C (–4 to +158 °F), the readability of the display may be impaired at temperatures outside the temperature range.
  • Page 46 Levelflex FMP51 Modbus With a temperature (T ) at the process connection the admissible ambient temperature (T ) is reduced according to the following diagram (temperature derating): Temperature derating for FMP51 with threaded connection G¾ or NPT¾ [°C] ([°F])T a...
  • Page 47 Levelflex FMP51 Modbus Temperature derating for FMP51 with threaded connection G1½ or NPT1½ [°C] ([°F])T a +80(+176) GT20: +57(+135) GT18: +49(+120) GT19: +20(+68) 4...20 mA HART GT19: -34(-29) GT18: -37(-34) GT20: -38(-36) -40(-40)³ +200 [°C] (-58) (-40) (+180) (+392) ([°F]) [°C] ([°F])T a...
  • Page 48 Levelflex FMP51 Modbus Temperature derating for FMP51 with flange [°C] ([°F])T a +80(+176) GT20: +59(+138) GT18: +53(+127) 4...20 mA HART GT19: -34(-29) GT19: +33(+91) GT18: -37(-34) GT20: -38(-36) -40(-40)³ -50 -40 +200 [°C] (-58) (-40) (+180) (+392) ([°F]) [°C] ([°F])T a...

  • Page 49: Storage Temperature

    Levelflex FMP51 Modbus Storage temperature –40 to +80 °C (–40 to +176 °F) Option for FMP51 and FMP54: –50 to +80 °C (–58 to +176 °F) Climate class DIN EN 60068-2-38 (test Z/AD) Altitude according to • Generally up to 2 000 m (6 600 ft) above MSL.

  • Page 50: Process

    Levelflex FMP51 Modbus Process Process temperature range The maximum permitted temperature at the process connection is determined by the O-ring version ordered: Device O-ring material Process temperature Approval FMP51 FKM (Viton GLT 37559) –30 to +150 °C (–22 to +302 °F) –40 to +150 °C (–40 to +302 °F)

  • Page 51: Mechanical Construction

    Levelflex FMP51 Modbus Mechanical construction Dimensions Dimensions of the electronics housing 98 (3.86)* 78 (3.07) 90 (3.54) A0011666  13 Housing GT18 (316L); Dimensions in mm (in) *for devices with integrated overvoltage protection. 99 (3.9)* 78 (3.07) 90 (3.54) A0011346 ...
  • Page 52 Levelflex FMP51 Modbus Dimensions of the mounting bracket ø42...60 (1.65...2.36) 127...140 122 (4.8) (5...5.51) 161 (6.34) 162...175 (6.38...6.89) A0014793  16 Mounting bracket for the electronics housing: dimensions: mm (in) Wall mounting Pipe mounting For the "Sensor remote" device version (see feature 060 of the product structure), the mounting bracket is part of the delivery.
  • Page 53 Levelflex FMP51 Modbus FMP51: Dimensions of process connection (G¾,NPT¾) and probe SW36 AF36 G¾ NPT¾ ø4 (0.16) ø4 (0.16) ø8 (0.31) ø22 (0.87) 2 (0.08) ø29.5 (1.16) 8 (0.31) ø75 (2.95) ø22 (0.87) A0012645  18 FMP51: Process connection / probe; dimensions: mm (in). Unit of measurement mm (in) Thread ISO G3/4 or ANSI MNPT3/4 (Feature (100) Rope probe 4mm or 1/6"...
  • Page 54 Levelflex FMP51 Modbus FMP51: Dimensions of process connection (G1½,NPT1½,flange) and probe SW55 SW55 AF55 AF55 G1½ NPT1½ SW10 AF10 SW14 SW10 AF14 AF10 SW10 ø16 (0.63) AF10 ø4 (0.16) ø4 (0.16) SW14 AF14 ø12 (0.47) SW14 AF14 ø29.5 (1.16) 2 (0.08) 2.77 (0.11)
  • Page 55 Levelflex FMP51 Modbus Center washer / centering star / centering weight Ordering feature Meaning Thickness Diameter "Accessory mounted" Rod center washer 316L; pipe diameter DN80/3" + DN100/4" S = 4 mm (0.16 in) T = 75 mm (2.95 in) Rod center washer 316L; pipe diameter DN50/2" + DN65/2-1/2"...

  • Page 56: Tolerance Of Probe Length

    Levelflex FMP51 Modbus Tolerance of probe length Rod and coax probes Over [m (ft)] — 1 (3,3) 3 (9,8) 6 (20) Up to [m (ft)] 1 (3,3) 3 (9,8) 6 (20) — Admissible tolerance [mm -5 (-0,2) -10 (-0,39) -20 (-0,79)

  • Page 57: Weight

    Levelflex FMP51 Modbus Weight Housing Part Weight Housing GT18 - stainless steel approx. 4.5 kg Housing GT19 - plastic approx. 1.2 kg Housing GT20 - aluminium approx. 1.9 kg FMP51 with threaded connection G¾ or NPT¾ Part Weight Part Weight Sensor approx.

  • Page 58: Materials: Gt18 Housing (Stainless Steel, Corrosion- Resistant)

    Levelflex FMP51 Modbus Materials: GT18 housing (stainless steel, corrosion- resistant) A0013788 No. Part Material Housing CF3M similar to 316L/1.4404 2.1 Cover of the electronics compartment • Cover: CF3M (similar to 316L/1.4404) • Window: glass • Cover seal: NBR • Seal of the window: NBR •...

  • Page 59: Materials: Gt19 Housing (Plastic)

    Levelflex FMP51 Modbus Materials: GT19 housing (plastic) A0013788 No. Part Material Housing 2.1 Cover of the electronics compartment • Cover glass: PC • Cover frame: PBT-PC • Cover seal: EPDM • Thread-coating: Graphite-based lubricant varnish 2.2 Cover of the terminal compartment •...

  • Page 60: Materials: Gt20 Housing

    Levelflex FMP51 Modbus Materials: GT20 housing (die-cast aluminum, powder- coated) A0013788 Nr. Part Material Housing, RAL 5012 (blue) • Housing: AlSi10Mg(<0,1% Cu) • Coating: Polyester 2.1 Cover of the electronics compartment; RAL 7035 • Cover: AlSi10Mg(<0,1% Cu) (gray) • Window: Glass •...
  • Page 61 Levelflex FMP51 Modbus Nr. Part Material Ground terminal • Screw: A2 • Spring washer: A2 • Clamp: 304 (1.4301) • Holder: 304 (1.4301) Adhesive nameplate Plastic For the version with M12 plug the sealing material is Viton. For the version with 7/8" plug, the sealing material is NBR.

  • Page 62: Materials: Process Connection

    Levelflex FMP51 Modbus Materials: Process The supplied DIN/EN flanges and threaded process connections are made of stainless steel according to AISI 316L (DIN/EN material number 1.4404 or 1.4435). With regard to their connection temperature stability properties, the materials 1.4404 and 1.4435 are grouped under 13E0 in EN 1092-1:2007 Tab.

  • Page 63: Materials: Probe

    Levelflex FMP51 Modbus Materials: Probe Levelflex FMP51 Rope probe Rod probe Coax probe  4 mm (1/6")  12.7 Thread Thread No. Material  4 mm  8 mm Thread with mm (1/2") G1-1/2 G1-1/2 (1/6") (1/3") G3/4 centering AlloyC...

  • Page 64: Materials: Mounting Bracket

    Levelflex FMP51 Modbus Materials: Mounting bracket A0015143 Mounting bracket for version "Sensor remote" Position Part Material Bracket 316L (1.4404) Bracket 316Ti (1.4571) Screw/nuts A4-70 Distance sleeves 316Ti (1.4571) or 316L (1.4404) Half-shells 316L (1.4404) Endress+Hauser...

  • Page 65: Materials: Adapter And Cable For Remote Sensor

    Levelflex FMP51 Modbus Materials: Adapter and cable for remote sensor A0021722 Adapter and cable for version "Sensor remote" Position Part Material Cable FRNC Sensor adapter 304 (1.4301) Clamp 316L (1.4404) Screw A4-70 Loop 316 (1.4401) Crimp sleeve Aluminum Nameplate 304 (1.4301)

  • Page 66: Materials: Weather Protection Cover

    Levelflex FMP51 Modbus Materials: Weather protection cover A0015473 Part: Material Protection cover: 316L (1.4404) Molded rubber part (4x): EPDM Clamping screw: 316L (1.4404) + carbon fibre Bracket: 316L (1.4404) • Cheese head screw: A4-70 • Nut: A4 • Spring washer: A4 Ground terminal •...

  • Page 67: Operability

    Levelflex FMP51 Modbus Operability Operating concept Operator-oriented menu structure for user-specific tasks • Commissioning • Operation • Diagnostics • Expert level Operating languages • English • Deutsch • Français • Español • Italiano • Nederlands • Portuguesa • Polski • русский язык (Russian) •...

  • Page 68: Local Operation

    Levelflex FMP51 Modbus Local operation Operation Pushbuttons Touch Control with Order code for Option C "SD02" Option E "SD03" "Display; Operation" A0032219 A0032221 Display 4-line display 4-line display elements white background lighting; switches to red in event of device error Format for displaying measured variables and status variables can be individually configured Permitted ambient temperature for the display: –20 to +70 °C (–4 to +158 °F)
  • Page 69 Levelflex FMP51 Modbus RS485 10.5 - 29V A0035158 Computer with FieldCare/DeviceCare Usb to RS485 interface Power supply Cable entry for RS485 connection Cable entry for supply voltage Protective earth connection Via service interface (CDI) A0032466 Service interface (CDI) of the measuring device...

  • Page 70: Certificates And Approvals

    Levelflex FMP51 Modbus Certificates and approvals Currently available certificates and approvals can be called up via the product configurator. The measuring system meets the legal requirements of the applicable EC guidelines. These are listed CE mark in the corresponding EC Declaration of Conformity together with the standards applied.

  • Page 71: Telecommunications

    Levelflex FMP51 Modbus Reasons: According to Article 2, point 5 of EU Directive 2014/68/EU, pressure accessories are defined as "devices with an operational function and having pressure-bearing housings". If a pressure instrument does not have a pressure-bearing housing (no identifiable pressure chamber of its own), there is no pressure accessory present within the meaning of the Directive.

  • Page 72: Test, Certificate

    Levelflex FMP51 Modbus Test, Certificate Feature 580 Designation Available for "Test, Certificate" 3.1 Material certificate, wetted metallic parts, EN10204-3.1 inspection FMP51 certificate Conformity to NACE MR0175, wetted metallic parts FMP51 Conformity to NACE MR0103, wetted metallic parts FMP51 Conformity to AD2000, wetted metallic parts:...

  • Page 73: Other Standards And Guidelines

    Levelflex FMP51 Modbus Other standards and • EN 60529 Degrees of protection by housing (IP code) guidelines • EN 61010-1 Protection Measures for Electrical Equipment for Measurement, Control, Regulation and Laboratory Procedures. • IEC/EN 61326 "Emission in accordance with Class A requirements". Electromagnetic compatibility (EMC requirements) •...

  • Page 74: Ordering Information

    Levelflex FMP51 Modbus Ordering information 3-point linearity protocol The following notes must be taken into account if option F3 ("3 point linearity protocol") has been selected in feature 550 ("Calibration"). Depending on the probe the 3 points of the linearity protocol are defined as follows:...

  • Page 75: Tagging (Tag)

    Levelflex FMP51 Modbus Tagging (TAG) Ordering feature 895: Marking Option Z1: Tagging (TAG), see additional spec. Position of the measuring To be selected in the additional specifications: point marking • Tag plate Stainless Steel • Self-adhesive paper label • Supplied label/plate •...

  • Page 76: Accessories

    Levelflex FMP51 Modbus Accessories Device-specific accessories Weather protection cover Accessory Description Weather protection cover A0015466 300 (11.8) 275 (10.8) 255.1 (10) 164 (6.46) A0015472  22 Weather protection cover; Dimensions: mm (in)  The weather protection cover can be ordered together with the device (product structure, feature 620 "Accessory Enclosed", option PB "Weather Protection Cover").
  • Page 77 Levelflex FMP51 Modbus Mounting bracket for the electronics housing Accessory Description Mounting bracket for the electronics housing ø42...60 (1.65...2.36) 127...140 122 (4.8) (5...5.51) 161 (6.34) 162...175 (6.38...6.89) A0014793  23 Mounting bracket for the electronics housing; Dimensions: mm (in) Wall mounting Pipe mounting ...
  • Page 78 Levelflex FMP51 Modbus Mounting kit, isolated Accessory Description Mounting kit, isolated can be used for FMP51 A0013586  24 Scope of supply of the mounting kit: Insulating sleeve Eye-bolt For reliably insulated fixing of the probe. Maximum process temperature: 150 °C (300 °F) For rope probes 4 mm (¹⁄₆...
  • Page 79 Levelflex FMP51 Modbus Centering star Accessories Description Centering star PEEK  48-95 mm suitable for 10 (0.39) FMP51 ø48 (1.89) ø75 (2.95) ø95 (3.74) A0014576 The centering star is suitable for probes with a rod diameter of 16 mm (0.6 in) and can be used in pipes from DN50 to DN100.
  • Page 80 Levelflex FMP51 Modbus Accessories Description Centering star PFA •  16.4 mm (0.65 in) •  37 mm (1.46 in) suitable for FMP51 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 81 Levelflex FMP51 Modbus Accessories Description Centering star PEEK, ⌀ 48 to 95 mm (1.9 to 3.7 in) Ø4 (0.16) suitable for FMP51 A0035182 The centering star is suitable for probes with a rope diameter of 4 mm (¹⁄₆ in) (including coated rope probes). See also Operating Instructions SD01961F.
  • Page 82 Levelflex FMP51 Modbus Centering weight Accessories Description Centering weight 316L  45 mm (1.77 in) suitable for FMP51 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"...
  • Page 83 Levelflex FMP51 Modbus Accessories Description Centering weight 316L •  75 mm (2.95 in) •  95 mm (3.7 in) suitable for FMP51 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"...
  • Page 84 Levelflex FMP51 Modbus Remote display FHX50 Accessories Description Remote display FHX50 A0019128 • Material: – Plastic PBT – 316L/1.4404 – Aluminum • Degree of protection: IP68 / NEMA 6P and IP66 / NEMA 4x • Suitable for display modules: – SD02 (push buttons) –...

  • Page 85: Communication-Specific Accessories

    Levelflex FMP51 Modbus Communication-specific Accessory Description accessories Commubox FXA291 Connects field devices with CDI interface to the USB interface of a computer. Order code: 51516983 Service-specific accessories Accessory Description DeviceCare SFE100 Configuration tool for HART, PROFIBUS and FOUNDATION Fieldbus devices ...
  • Page 86 Levelflex FMP51 Modbus Documentation Standard documentation Levelflex FMP51 Correlation of documentations to the device: Device Communication Document type Document code FMP51 Modbus Technical Information TI01454F Operating Instructions BA01957F Brief Operating Instructions KA01421F Description of Device Parameters GP01140F Supplementary Application Package...
  • Page 87 Levelflex FMP51 Modbus Patents This product may be protected by at least one of the following patents. Further patents are pending. US Patents EP Patents 5.827.985 5.884.231 5.973.637 6.087.978 955 527 6.140.940 6.481.276 6.512.358 1 301 914 6.559.657 1 020 735 6.640.628...
  • Page 88 www.addresses.endress.com...

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