Endress+Hauser Flowphant T DTT31 Operating Instructions Manual
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Endress+Hauser Flowphant T DTT31 Operating Instructions Manual

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BA00235R/09/EN/18.20
71509929
2020-11-30
Valid as of version
01.00 (device version)
Products
Operating Instructions
Flowphant T DTT31, DTT35
Flow switch
Solutions
Services

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Summary of Contents for Endress+Hauser Flowphant T DTT31

  • Page 1 Products Solutions Services BA00235R/09/EN/18.20 71509929 2020-11-30 Valid as of version 01.00 (device version) Operating Instructions Flowphant T DTT31, DTT35 Flow switch...

  • Page 3: Table Of Contents

    Flowphant T DTT31, DTT35 Table of contents Table of contents About this document ... 4 Accessories ....34 Document function .

  • Page 4: About This Document

    About this document Flowphant T DTT31, DTT35 About this document Document function These Operating Instructions contain all the information that is required in various phases of the life cycle of the device: from product identification, incoming acceptance and storage, to mounting, connection, operation and commissioning through to troubleshooting, maintenance and disposal.
  • Page 5 Flowphant T DTT31, DTT35 About this document 1.2.3 Symbols for certain types of information Symbol Meaning Permitted Procedures, processes or actions that are permitted. Preferred Procedures, processes or actions that are preferred. Forbidden Procedures, processes or actions that are forbidden.

  • Page 6: Basic Safety Instructions

    Basic safety instructions Flowphant T DTT31, DTT35 Basic safety instructions Requirements for the personnel The personnel for installation, commissioning, diagnostics and maintenance must fulfill the following requirements: ‣ Trained, qualified specialists must have a relevant qualification for this specific function and task.

  • Page 7: Product Safety

    Flowphant T DTT31, DTT35 Incoming acceptance and product identification Risk of injury! ‣ Operate the device in proper technical condition and fail-safe condition only. ‣ The operator is responsible for the interference-free operation of the device. Modifications to the device...

  • Page 8: Product Identification

    Incoming acceptance and product identification Flowphant T DTT31, DTT35 Compare the scope of delivery to the contents of the order. Remove all the packaging material used for transportation. Product identification The device can be identified in the following ways: • Nameplate specifications •...

  • Page 9: Name And Address Of Manufacturer

    Flowphant T DTT31, DTT35 Mounting Name and address of manufacturer Name of manufacturer: Endress+Hauser Wetzer GmbH + Co. KG Address of manufacturer: Obere Wank 1, D-87484 Nesselwang or www.endress.com Certificates and approvals 3.4.1 CE mark The product meets the requirements of the harmonized European standards. As such, it complies with the legal specifications of the EC directives.
  • Page 10 Mounting Flowphant T DTT31, DTT35 4.1.3 General installation instructions NOTICE Damage to the device. ‣ To ensure correct monitoring, the sensor must be installed in a way that produces a fully developed flow profile. ‣ Stabilization sections (5x DN) must be provided in the pipe downstream from a pump, pipe elbows, internal fixtures and cross-sectional changes.
  • Page 11 Flowphant T DTT31, DTT35 Mounting • The sensor tip must be completely surrounded by the medium • Position the sensor tip in the area of maximum flow velocity (pipe center) • Minimum sensor immersion length ≥ 10 mm (0.4 in).
  • Page 12 Mounting Flowphant T DTT31, DTT35 NOTICE If the device is installed incorrectly this can result in incorrect measurements! ‣ Do not install in down pipes open towards the end. ‣ The sensor tip should never touch the pipe wall. A0006978 ...
  • Page 13 Flowphant T DTT31, DTT35 Mounting 4.1.4 Installation instructions when installing in hygienic processes R0.4 R0.4 A0044659  5 Detailed installation instructions for hygiene-compliant installation Milk pipe connection according to DIN 11851 (PL, PG, PH connection), only in conjunction with EHEDG-certified and self-centering sealing ring 1.1 Sensor with milk pipe connection...
  • Page 14 Mounting Flowphant T DTT31, DTT35 Avoid crevices, folds or gaps. Ensure the surface is honed and polished, Ra ≤ 0.76 µm (30 µin). Pay attention to the following when installing the thermometer to ensure that the cleanability is not affected: The installed sensor is suitable for CIP (cleaning in place).

  • Page 15: Electrical Connection

    Flowphant T DTT31, DTT35 Electrical connection 3 × DN 5 × DN 3 × DN 5 × DN 3 × DN 5 × DN 3 × DN 15 × DN 3 × DN 10 × DN 5 × DN 3 × DN A0023225 ...
  • Page 16 Electrical connection Flowphant T DTT31, DTT35 A2’ L– L– 4...20 mA L– A0006818  7 Flow switch with M12x1 connector Item no. Output setting 1x PNP switch output 2x PNP switch output R1 and Rx (R2) A2’ 2x PNP switch output R1 and Rx (diagnostics/NC contact with "DESINA"...

  • Page 17: Operating Options

    Flowphant T DTT31, DTT35 Operating options 5.1.2 DC voltage version with valve connector L– A0035798  8 Flow switch with M16x1.5 valve connector or NPT ½" Item no. Output setting 1x PNP switch output Operating options Overview of operating options The device is operated via three keys.
  • Page 18 Operating options Flowphant T DTT31, DTT35 A0044663  9 Position of the operating elements and possibilities for display Operating keys Digital display: illuminated white (= ok); red (= alarm/error) Yellow LED for switching states: LED on = switch closed; LED off = switch open Communication jack for PC configuration LED for status display: green = OK;...

  • Page 19: Structure And Function Of The Operating

    Flowphant T DTT31, DTT35 Operating options Structure and function of the operating menu 6.2.1 Navigation in the operating menu BASE > 3 s SAVE > 3 s A0035802  10 Navigation in the operating menu Function group selection Function selection To enter the operating menu, press the E key for longer than 3 s.
  • Page 20 Operating options Flowphant T DTT31, DTT35 6.2.2 Navigating the Calibration (CAL) function group Variable limits for HIF (Learn High Flow) or LOWF (Learn Low Flow) can be set with the ' L earn Function' . • HIF setting (Learn High Flow): Enter any flow rate from 70 to 100 % of the maximum value in the process.
  • Page 21 Flowphant T DTT31, DTT35 Operating options Or: The message "W432" appears on the display after 60 s. A sufficiently stable flow could not be detected during the learning process. The system takes an average of the 10 values last measured during the learning process.
  • Page 22 Operating options Flowphant T DTT31, DTT35 NOK: The switch point determined is under 5 % of the measuring range and cannot be accepted because the switch point must be at least 5 % greater than the switchback point (RSP). The device is still operative if message "W432" or "NOK" is displayed. There can be large deviations at the switch point, however.
  • Page 23 Flowphant T DTT31, DTT35 Operating options 6.2.4 Structure of the operating menu for 2 switch outputs BASE DISP PVRO TMPR OFFR UNIT °C °F DESI WAIT WAIT LOWF FUNC HYNC HYNO WAIT TRSP OUT2 MODE FLOW TEMP (optional) UNIT °C °F...
  • Page 24 Operating options Flowphant T DTT31, DTT35 Function groups Functions Settings 6.2.5 Structure of the operating menu for 1 x analog output (4 to 20 mA) and 1 x switch output BASE DISP PVRO TMPR OFFR UNIT °C °F WAIT LOWF...
  • Page 25 Flowphant T DTT31, DTT35 Operating options 6.2.6 Basic settings Function group Function Settings Description BASE DISP Display Displays the current measured value Basic settings PVRO Displays the current measured value rotated by 180 ° Display of current medium temperature TMPR Displays the current medium temperature rotated by 180 °...
  • Page 26 Operating options Flowphant T DTT31, DTT35 6.2.8 Settings for output - 2 x switch output Functions of the switch point • Hysteresis function: The hysteresis function enables two-point control via a hysteresis. Depending on the mass flow, the hysteresis can be set via the switch point SP and switchback point RSP.
  • Page 27 Flowphant T DTT31, DTT35 Operating options Function group Function Settings Description Switch point RUN, WAIT: Take the current flow rate as the SP2L "Learn" WAIT switch point SP or SP2.→  12,  21 Switchback point Enter value 0 to 95 % in increments of 1 %.
  • Page 28 Operating options Flowphant T DTT31, DTT35 Function group Function Settings Description Factory setting: °C FUNC Switching HYNC HYNC: hysteresis/NC contact characteristics HYNO HYNO: hysteresis/NO contact →  26 Factory setting: HYNO Value switch Enter value 5 to 100% in increments of 1 %.

  • Page 29: Access To The Operating Menu Via The Operating Tool

    Flowphant T DTT31, DTT35 Operating options Function group Function Settings Description REV'C Static revision Configuration counter, incremented each time counter the configuration is changed. STAT Device status LST'D Last error Displays the last error to occur. Switch output Simulation for 2...

  • Page 30: Diagnostics And Troubleshooting

    FieldCare is a universal configuration and service software based on FDT/DTM technology. The "PCP Communications DTM" and the Flowphant DeviceDTM are needed to configure the Flowphant T DTT31/35 with FieldCare. This device supports offline operation and the transfer of parameters from and to the device.
  • Page 31 Flowphant T DTT31, DTT35 Diagnostics and troubleshooting Code Explanation Remedy E011 Device configuration is incorrect Perform device reset →  28 E012 Measurement error or medium temperature outside the Check the medium temperature; return the measurable range device to the manufacturer if necessary...

  • Page 32: Firmware History

    Diagnostics and troubleshooting Flowphant T DTT31, DTT35 Firmware history 7.2.1 Release The release number on the nameplate and in the Operating Instructions indicates the device release: XX.YY.ZZ (example 01.02.01). • Change to main version • No longer compatible • The device and Operating Instructions change •...

  • Page 33: Maintenance

    Flowphant T DTT31, DTT35 Maintenance Maintenance Buildup on the sensor negatively affects measurement accuracy ‣ Check the sensor for buildup at regular intervals. CAUTION Damage to the device. ‣ Ensure that the process is unpressurized before you remove the device.

  • Page 34: Accessories

    Accessories Flowphant T DTT31, DTT35 Accessories 10.1 Device-specific accessories 10.1.1 Welding boss with sealing taper • Collar welding boss movable with sealing taper, washer 6 (0.24) and pressure screw G½" G½” • Material of parts in contact with the process: 316L,...
  • Page 35 Flowphant T DTT31, DTT35 Accessories 10.1.3 Compression fitting • Movable clamping ring, various process connections 6 (0.24) • Material of compression fitting and parts in contact with the process: 316L • Order number: TA50-..(depending on the process AF14 connection) AF27 G½”...

  • Page 36: Communication-Specific Accessories

    Accessories Flowphant T DTT31, DTT35 Version F in mm (in) L ~ in mm (in) C in B in mm Clampin Max. Max. process (in) g ring process pressure (in) material temperatur R½" SW/AF 22 52 (2.05) 20 (0.8) PTFE 200 °C...
  • Page 37 Order code: TXU10-AA • "Commubox FXA291" configuration kit with interface cable for PC with USB port. Intrinsically safe CDI interface (Endress+Hauser Common Data Interface) for transmitters with 4-pin post connector. Suitable configuration software is FieldCare for example. Order code: FXA291 10.2.3...

  • Page 38: Technical Data

    Technical data Flowphant T DTT31, DTT35 Technical data 11.1 Input 11.1.1 Measured variable • Flow velocity of liquid media (calorimetric measuring principle) • Temperature (RTD), optionally for two switch outputs or additional analog output 11.1.2 Measuring range Flow 0.03 to 3 m/s (0.1 to 9.84 ft/s), as relative value between 0 to 100%; maximum...

  • Page 39: Environment

    Flowphant T DTT31, DTT35 Technical data Behavior in the event of overvoltage (>30 V) • The device works continuously up to 34 V without any damage • No damage in event of transient overvoltage up to 1 kV (according to EN 61000-4-5) •...

  • Page 40: Process

    Technical data Flowphant T DTT31, DTT35 11.4.8 Electrical safety • Protection class III • Overvoltage category II • Pollution level 2 11.5 Process 11.5.1 Process temperature range –20 to +85 °C (–4 to +185 °F) The sensor can be exposed to process temperatures up to 130 °C (266 °F) without being damaged.

  • Page 41: Mechanical Construction

    Flowphant T DTT31, DTT35 Technical data 11.6 Mechanical construction 11.6.1 Design, dimensions M12x1 M16x1.5 / NPT ½” 38.7 (1.52) 38.7 (1.52) 42.3 (1.66) 24 (0.95) 24 (0.95) 38.5 (1.52) 36 (1.42) 6 (0.24) 6 (0.24) 6 (0.24) A0005279 All dimensions in mm (in)
  • Page 42 Technical data Flowphant T DTT31, DTT35 11.6.2 DTT31 design, dimensions of process connections L1 = L2 A0007101  21 Process connection versions Insertion length Item Version Thread length L Screw-in length L Without process connection. Suitable welding bosses and compression fittings. →  34 Threaded process connection: ANSI NPT ¼"...
  • Page 43 Flowphant T DTT31, DTT35 Technical data 11.6.3 DTT35 design, dimensions of process connections 56.5 (2.22) 43.5 (1.71) 64 (2.52) 50.5 (1.99) 61.5 (2.42) 68 (2.68) 50 (1.97) 82 (3.23) G½” 66 (2.6) 84 (3.31) 100 (3.94) 51 (2.01) 39 (1.54) (1.06)

  • Page 44: Certificates And Approvals

    Technical data Flowphant T DTT31, DTT35 Item no. Process connection versions DTT35 Hygiene standard DIN 11851, DN25, PN40 (including coupling nut), 316L 3-A marked and EHEDG certified (only in DIN 11851, DN40, PN40 (including coupling nut), conjunction with self-centering seal...
  • Page 45 Flowphant T DTT31, DTT35 Technical data 11.7.2 Other standards and guidelines • IEC 60529: Degrees of protection provided by enclosures (IP code) • IEC/EN 61010-1: Protection Measures for Electrical Equipment for Measurement, Control, Regulation and Laboratory Procedures • IEC/EN 61326 series: Electromagnetic compatibility (EMC requirements) •...

  • Page 46: Supplementary Documentation

    Supplementary documentation 11.8.1 Technical Information • Easy Analog RNB130: TI120R/09/en • Process display unit RIA452: TI113R/09/en • Universal data manager Ecograph T: TI01079R/09/en • Data logger Minilog B: TI089R/09/en 11.8.2 Operating Instructions Flow switch Flowphant T DTT31, DTT35: BA00235R/09/en Endress+Hauser...
  • Page 48 *71509929* 71509929 www.addresses.endress.com...

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