Endress+Hauser Liquiphant FTL64 Technical Information
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Endress+Hauser Liquiphant FTL64 Technical Information

Vibronic point level switch for liquids in high-temperature applications
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TI01540F/00/EN/02.20
71498558
2020-11-30
Products
Technical Information
Liquiphant FTL64
Vibronic
Point level switch for liquids in high-temperature
applications
Application
• Point level switch for all liquids, for minimum or maximum detection in tanks,
vessels and piping, even in hazardous areas
• Particularly suitable for high-temperature applications with up to 280 °C (536 °F)
• Tuning fork and process connection with highly corrosion-resistant Alloy C22
(2.4602) material and PFA-coated (conductive) version available for very
aggressive media
• Process temperature range: –60 to +280 °C (–76 to +536 °F)
• Pressures up to 100 bar (1 450 psi)
• Viscosities up to 10 000 mPa⋅s
• Ideal substitute for float switches; reliable function is not affected by flow,
turbulence, air bubbles, foam, vibration, solids content or buildup.
Advantages
• Approved for safety systems with functional safety requirements up to SIL2/SIL3
in accordance with IEC 61508
• Maximum safety thanks to welded gas-tight feedthrough, even if sensor is
damaged
• No calibration needed: Quick, low-cost commissioning
• Design in accordance with ASME B31.3 and CRN approval
• No mechanically moving parts: No maintenance, no wear, long operating life
• Functional safety: Monitoring of vibration frequency of the tuning fork
• RFID TAG – easy measuring point identification and simplified data access
• Functional testing by means of test button on electronic insert
• Heartbeat Technology via free iOS/Android SmartBlue app
• Measuring device with Bluetooth® wireless technology
Solutions
Services

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Summary of Contents for Endress+Hauser Liquiphant FTL64

  • Page 1 Solutions Services TI01540F/00/EN/02.20 71498558 2020-11-30 Technical Information Liquiphant FTL64 Vibronic Point level switch for liquids in high-temperature applications Application • Point level switch for all liquids, for minimum or maximum detection in tanks, vessels and piping, even in hazardous areas •...

  • Page 2: Table Of Contents

    Liquiphant FTL64 Table of contents About this document ......PFM output (electronic insert FEL67) ... 14 Symbols .
  • Page 3 Liquiphant FTL64 Thermal shock ......26 Supplementary documentation ....

  • Page 4: About This Document

    Liquiphant FTL64 About this document Symbols Safety symbols DANGER This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in serious or fatal injury. WARNING This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in serious or fatal injury.

  • Page 5: Function And System Design

    Liquiphant FTL64 Function and system design point level detection Maximum or minimum detection for liquids in tanks or pipes in all industries. Suitable for leakage monitoring, pump dry-running protection or overfill prevention, for example . Specific versions are suitable for use in hazardous areas.

  • Page 6: Output

    Ex connection data See safety instructions (XA): All data relating to explosion protection are provided in separate Ex documentation and are available from the Downloads Area of the Endress+Hauser-website. The Ex documentation is supplied as standard with all Ex devices.

  • Page 7: 2-Wire Ac (Electronic Insert Fel61)

    Liquiphant FTL64 2-wire AC (electronic insert FEL61) • Two-wire AC version • Switches the load directly into the power supply circuit via an electronic switch; always connect in series with a load • Functional testing without level change A functional test can be performed on the device using the test button on the electronic insert.

  • Page 8: Behavior Of Switch Output And Signaling

    Liquiphant FTL64 Behavior of switch output and signaling ΔU <3.8 mA ΔU <3.8 mA <3.8 mA A0031901  3 Behavior of switch output and signaling, electronic insert FEL61 MAX DIP switch for setting MAX safety mode MIN DIP switch for setting MIN safety mode...

  • Page 9: 3-Wire Dc-Pnp (Electronic Insert Fel62)

    Liquiphant FTL64 3-wire DC-PNP (electronic insert FEL62) • Three-wire DC version • Preferably in conjunction with programmable logic controllers (PLC), DI modules as per EN 61131-2. Positive signal at switch output of electronics module (PNP) • Functional testing without level change A functional test can be performed on the device using the test button on the electronic insert or using the test magnet (can be ordered as an option) with the housing closed.

  • Page 10: Behavior Of Switch Output And Signaling

    Liquiphant FTL64 Behavior of switch output and signaling (L–) ΔU <100 µA (L–) (L–) ΔU <100 µA (L–) <100 µA (L–) A0033508  6 Behavior of switch output and signaling, electronic insert FEL62 MAX DIP switch for setting MAX safety mode...

  • Page 11: Universal Current Connection With Relay Output (Electronic Insert Fel64)

    Liquiphant FTL64 Universal current connection with relay output (electronic insert FEL64) • Switches the loads via 2 potential-free changeover contacts • Two galvanically isolated change-over contacts (DPDT), both change-over contacts switch simultaneously • Functional testing without level change. A functional test can be performed on the device using the test button on the electronic insert or using the test magnet (can be ordered as an option) with the housing closed.

  • Page 12: Terminal Assignment

    Liquiphant FTL64 Terminal assignment >0,7 U = 19...55 V DC >0,5 U 19...253 V AC 0.5 A A0036062  7 Universal current connection with relay output, electronic insert FEL64 When bridged, the relay output works with NPN logic Connectable load...

  • Page 13: Dc Connection, Relay Output

    Liquiphant FTL64 DC connection, relay output (electronic insert FEL64 DC) • Switches the loads via 2 potential-free changeover contacts • Two galvanically isolated change-over contacts (DPDT), both change-over contacts switch simultaneously • Functional testing without level change. Functional testing of the entire device can be performed using the test button on the electronic insert or with the test magnet (can be ordered as an option) with the housing closed.

  • Page 14: Behavior Of Switch Output And Signaling

    GN LED green, operational status, device on PFM output (electronic insert FEL67) • For connecting to the Nivotester FTL325P and FTL375P switching units from Endress+Hauser • PFM signal transmission; pulse frequency modulation, superimposed on the power supply along the two-wire cabling •...

  • Page 15: Terminal Assignment

    Liquiphant FTL64 Terminal assignment – >0,7 >0,5 A0036065  11 PFM output, electronic insert FEL67 8: Nivotester FTL325P 1 CH, FTL325P 3 CH input 1 33/ 34: Nivotester FTL325P 3 CH input 2 37/ 38: Nivotester FTL325P 3 CH input 3...

  • Page 16: Behavior Of Switch Output And Signaling

    Liquiphant FTL64 Behavior of switch output and signaling 150 Hz 50 Hz 50 Hz 150 Hz 0 Hz A0037696  12 Switching behavior and signaling, electronic insert FEL67 MAX DIP switch for setting MAX safety mode MIN DIP switch for setting MIN safety mode...

  • Page 17: Terminal Assignment

    Liquiphant FTL64 Terminal assignment IEC 60947-5-6 8,2 V DC NAMUR – >0,7 >0,5 L- L+ A0036066  13 2-wire NAMUR ≥ 2.2 mA/≤  1.0 mA, electronic insert FEL68 Behavior of switch output and signaling 2.2...3.8 mA 0.4...1.0 mA 2.2...3.8 mA 0.4...1.0 mA <...

  • Page 18: Led Module Vu120 (Optional)

    Liquiphant FTL64 LED module VU120 (optional) Supply voltage U = 12 to 55 V U = 19 to 253 V , 50 Hz/60 Hz Power consumption P ≤ 0.7 W, S < 6 VA Current consumption = 0.4 A Signaling of operational status A0039258 ...

  • Page 19: Heartbeat Technology

    Bluetooth module. Additional technical data • Free-field range: 50 m (165 ft) max. • Operation radius with intervisibility around the device: 10 m (33 ft) For documentation on radio approvals, see the Endress+Hauser website: www.endress.com → Downloads.

  • Page 20: Measured Error

    Liquiphant FTL64 (Water +23 °C (+73 °F)). Minimum distance between the fork tip and the tank wall or pipe wall: 10 mm (0.39 in) A0044069  17 Typical switch points. Unit of measurement mm (in) Installation from above Installation from below...

  • Page 21: Installation Instructions

    Liquiphant FTL64 A0042329  18 Installation in any position in vessel, pipe or tank Temperature spacer with gas-tight welded glass feedthrough for tank with insulation and/or high process temperatures Installation instructions Take viscosity into consideration Low viscosity Low viscosity, e. g. water: < 2 000 mPa⋅s It is permitted to position the tuning fork within the installation socket.
  • Page 22 Liquiphant FTL64 > 40 (1.57) A0042335  20 Installation example for a highly viscous liquid. Unit of measurement mm (in) Avoid buildup • Use short installation sockets to ensure that the turning fork can project freely into the vessel. • Install preferably flush mount on vessels or in pipes.

  • Page 23: Installing In Pipes

    Liquiphant FTL64 Align the tuning fork with the marking Use the marking to align the tuning fork in such a way that medium can run off easily and deposit buildup is avoided. Markings may include the following: • Material specification, thread description or circle on the hexagonal nut or on the weld-in adapter •...

  • Page 24: Align The Cable Entry

    Liquiphant FTL64 Align the cable entry 4 0.7 Nm A0042355  26 Housing with external locking screw Special mounting Support the device instructions NOTICE If the device is supported incorrectly, shocks and vibrations can damage the coated surface. ‣ Only use suitable supports.

  • Page 25: Storage Temperature

    Liquiphant FTL64 [°F] [°C] 158 70 -58 -50 [°C] [°F] [°F] [°C] 158 70 122 50 -58 -50 [°C] [°F] A0037923  28 Derating curve (Ambient temperature) 230 °C (446 °F) Sensor 280 °C (536 °F) Sensor Exception for electronic insert FEL64: Without LED module: Relais current = 6 A, T Max.

  • Page 26: Humidity

    Liquiphant FTL64 Humidity Operation up to 100 %. Do not open in a condensing atmosphere. Operating altitude As per IEC 61010-1 Ed.3: • Up to 2 000 m (6 600 ft) above sea level • Can be extended to 3 000 m (9 800 ft) above sea level if overvoltage protection is used...

  • Page 27: Test Pressure

    • With PFA coating (conductive): max. 40 bar (580 psi) max. 230 °C (446 °F) Ordering information: Product Configurator, order code for "Application" option "R" Devices with CRN approval: maximum 90 bar (1 305 psi) for devices with pipe extension. Information on the Endress+Hauser website: www.endress.com → Downloads. Test pressure Test pressure = 1.5 · PN •...

  • Page 28: Solids Contents

    Liquiphant FTL64 Solids contents ø ≤ 5 mm (0.2 in) Lateral loading capacity ≤75 Nm Mechanical construction For the dimensions, see the Product Configurator: www.endress.com Search for product → click "Configuration" to the right of the product image → after configuration click "CAD"...
  • Page 29 Liquiphant FTL64 Housing and cover All housings can be aligned. The locking screw on metal housings can be used to secure the alignment of the housing. Devices with a Bluetooth or LED module require a high cover (transparent plastic cover or aluminum cover with sight glass).
  • Page 30 Liquiphant FTL64 101 (3.98) A0035590  33 Single compartment 316L, cast; with Ex d/XP approval also; Product Configurator: order code for "Housing; material", option C. Unit of measurement mm (in) 147 (5.79) A0035591  34 Dual compartment, L-shaped; aluminum, coated; with Ex d/XP approval also; Product Configurator: order code for "Housing;...
  • Page 31 Liquiphant FTL64 A0042352  35 Temperature spacer with gas-tight welded glass feedthrough 2 lengths available depending on the process temperature Product Configurator, order code for "Application": • Option "E" for 230 °C (446 °F): approx. 160 mm (6.3 in) Option "D" for 280 °C (536 °F): approx. 200 mm (7.87 in) •...
  • Page 32 Liquiphant FTL64 Tuning fork A0038269  38 Tuning fork. Unit of measurement mm (in) Process connections Thread ISO228 G 69 (2.72) 66.5 (2.62) 50.5 (1.99) 50.5 (1.99) A0035549 A0037756  39 Thread ISO228 G ¾. Unit of  40 Thread ISO228 G 1. Unit of...
  • Page 33 Liquiphant FTL64 Flanges AlloyC22-plated flanges are available for higher chemical resistance. The flange carrier material is made of 1.4462 and is welded to an AlloyC22 disk. 66.5 (2.62) A0035554  45 Example with flange. Unit of measurement mm (in) In the event of high temperatures: pay attention to the pressure loading capacity of the flange depending on the temperature! ASME B16.5 flanges, RF...
  • Page 34 Liquiphant FTL64 Pressure rating Type Material Weight Cl. 600 NPS 3" 316/316L 6.8 kg (14.99 lb) Cl. 600 NPS 4" 316/316L 17.3 kg (38.15 lb) ASME B16.5 flanges, RTJ Pressure rating Type Material Weight Cl.300 NPS 2" 316/316L 3.2 kg (7.06 lb) Cl.300...

  • Page 35: Weight

    Liquiphant FTL64 JIS flanges B2220 Pressure rating Type Material Weight 20K 50A 316L (1.4404) 1.9 kg (4.19 lb) Process connection, sealing surface • Thread ISO228, G • Thread ASME, MNPT • Thread EN10226, R • Flange ASME B16.5, RF (Raised Face) •...

  • Page 36: Surface Roughness

    Liquiphant FTL64 Materials not in contact with process Plastic housing • Housing: PBT/PC • Blind cover: PBT/PC • Transparent cover: PBT/PC or PA12 • Cover seal: EPDM • Potential equalization: 316L • Seal under potential equalization: EPDM • Plug: PBT-GF30-FR •...

  • Page 37: Elements On The Electronic Insert

    Liquiphant FTL64 Elements on the electronic insert >0,7 >0,5 U = 9...20 V DC 3 4 5 A0037705  46 Example of electronic insert FEL64DC COM interface for additional modules (LED module, Bluetooth module) LED, red, for warning or alarm...

  • Page 38: Local Display

    Liquiphant FTL64 Liquids with density > 0.7 g/cm Switch position > 0.7 g/cm (order configuration) Liquids with density: 0.5 to 0.8 g/cm Switch position > 0.5 g/cm (can be configured via DIP switch) Optionally available to order: Liquids with density > 0.4 g/cm...

  • Page 39: Diagnostic Information

    CE mark These are listed in the corresponding EC Declaration of Conformity along with the standards applied. Endress+Hauser confirms successful testing of the device by affixing to it the CE mark. RCM-Tick marking The supplied product or measuring system meets the ACMA (Australian Communications and Media Authority) requirements for network integrity, interoperability, performance characteristics as well as health and safety regulations.

  • Page 40: Overfill Protection

    SIL 2 (SIL 3 with homogeneous redundancy). For a detailed description of the safety functions with the Liquiphant, settings and functional safety data, see the "Functional Safety Manual" on the Endress+Hauser website: www.endress.com →  Downloads.

  • Page 41: Pressure Equipment Directive

    Process seal as per ANSI/ISA North American practice for the installation of process seals. In accordance with ANSI/ISA 12.27.01, Endress+Hauser devices are designed as either single seal or dual seal devices with a warning 12.27.01 message. This allows the user to waive the use of - and save the cost of installing - an external secondary process seal in the protective conduit as required in ANSI/NFPA 70 (NEC) and CSA 22.1...

  • Page 42: Ordering Information

    • Automatic verification of exclusion criteria • Automatic creation of the order code and its breakdown in PDF or Excel output format • Ability to order directly in the Endress+Hauser Online Shop Measuring point (TAG) The device can be ordered with a tag name.

  • Page 43: Heartbeat Verification

    Liquiphant FTL64 Heartbeat Monitoring Continuously provides device and/or process data for an external system. Analysis of this data forms the basis for process optimization and predictive maintenance. The "Heartbeat Verification" module includes the Heartbeat Verification Wizard, which performs a Heartbeat Verification...

  • Page 44: Protective Cover For Single Compartment Housing

    Liquiphant FTL64 Protective cover for single • Material: plastic • Order number: 71438291 compartment housing, aluminum or 316L 115 (4.53) 140 (5.51) 32 (1.26) A0038280  53 Protective cover for single compartment housing, aluminum or 316L. Unit of measurement mm (in)

  • Page 45: Led Module Vu120 (Optional)

    A0039257  56 Bluetooth module VU121 More detailed information is available: • Product Configurator on the Endress+Hauser web page: www.endress.com • Endress+Hauser Sales Center www.addresses.endress.com A tall cover is required (transparent plastic cover or aluminum cover with sight glass) when using or retrofitting the Bluetooth module.

  • Page 46: High Pressure Sliding Sleeves

    Liquiphant FTL64 M6 (3x) M6 (3x) G 1 A G 1½ A (1 NPT) (1½ NPT) A0037666  58 Sliding sleeves for unpressurized operation. Unit of measurement mm (in) = 0 bar (0 psi) G 1, DIN ISO 228/I • Material: 1.4435 (AISI 316L) •...
  • Page 47 Liquiphant FTL64 ø60 (2.36) ø60 (2.36) G 1 A G 1½A (1 NPT) (1½ NPT) A0037667  59 High pressure sliding sleeves. Unit of measurement mm (in) G 1, DIN ISO 228/I • Material: 1.4435 (AISI 316L) • Weight: 1.13 kg (2.49 lb) •...

  • Page 48: Supplementary Documentation

    Registered trademarks 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 52 *71498558* 71498558 www.addresses.endress.com...

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