Endress+Hauser iTEMP TMT71 Operating Instructions Manual
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Endress+Hauser iTEMP TMT71 Operating Instructions Manual

Temperature transmitter
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BA01927T/09/EN/04.22-00
71574324
2022-05-04
Valid as of version
01.01 (device version)
Products
Operating Instructions
iTEMP TMT71
Temperature transmitter
Solutions
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Summary of Contents for Endress+Hauser iTEMP TMT71

  • Page 1 Products Solutions Services BA01927T/09/EN/04.22-00 71574324 2022-05-04 Valid as of version 01.01 (device version) Operating Instructions iTEMP TMT71 Temperature transmitter...

  • Page 3: Table Of Contents

    TMT71 Table of contents Table of contents Switching on the transmitter ... . . 33 About this document ....4 Configuring the measuring device .

  • Page 4: About This Document

    About this document iTEMP TMT71 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 5 TMT71 About this document Symbol Meaning Ground connection A grounded terminal which, as far as the operator is concerned, is grounded via a grounding system. Potential equalization connection (PE: protective earth) Ground terminals that must be connected to ground prior to establishing any other connections.

  • Page 6: Tool Symbols

    Registered trademarks 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. Endress+Hauser...

  • Page 7: Basic Safety Instructions

    TMT71 Basic safety instructions 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 8 Basic safety instructions iTEMP TMT71 NOTICE ‣ The device must only be powered by a power unit that operates using an energy-limited electric circuit according to UL/EN/IEC 61010-1, Section 9.4 and the requirements in Table 18. Endress+Hauser...

  • Page 9: Incoming Acceptance And Product

    (www.endress.com/deviceviewer): All data relating to the device and an overview of the Technical Documentation supplied with the device are displayed. • Enter the serial number on the nameplate into the Endress+Hauser Operations App or scan the 2-D matrix code (QR code) on the nameplate with the Endress+Hauser Operations App: all the information about the device and the technical documentation pertaining to the device is displayed.

  • Page 10: Name And Address Of Manufacturer

    Firmware version and device revision Approval logos 2 lines for the TAG name 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 Address of manufacturing plant:...

  • Page 11: Storage And Transport

    TMT71 Incoming acceptance and product identification Storage and transport Dimensions: (device-specific), →  56 Storage temperature • Head transmitter: –50 to +100 °C (–58 to +212 °F) • DIN rail device: –50 to +100 °C (–58 to +212 °F) •...

  • Page 12: Installation

    Installation iTEMP TMT71 Installation Installation conditions 4.1.1 Dimensions The dimensions of the device are provided in the "Technical data" section →  56. 4.1.2 Mounting location • Head transmitter: • In the terminal head, flat face, as per DIN EN 50446, direct mounting on insert with cable entry (middle hole 7 mm) •...
  • Page 13 TMT71 Installation 4.2.1 Mounting the head transmitter Item A Item B . 7 2 i n ) Item C . 7 2 i n ) A0039675-EN  3 Head transmitter mounting (three versions) Fig. A Mounting in a terminal head (terminal head flat face as per DIN 43729)
  • Page 14 Installation iTEMP TMT71 Fig. B Mounting in a field housing Field housing cover Mounting screws with springs Head transmitter Field housing 21 mm (0.83 in) . 7 2 i n ) 6.5 mm (0.25 in) . 5 1 i n ) A0024604 ...
  • Page 15 TMT71 Installation Mounting typical of North America A0008520  5 Head transmitter mounting Thermowell Insert Adapter, coupling Terminal head Head transmitter Mounting screws Thermometer design with thermocouples or RTD sensors and head transmitter: 1. Fit the thermowell (1) on the process pipe or the container wall. Secure the thermowell according to the instructions before the process pressure is applied.
  • Page 16 After mounting, securely tighten the terminal head cover. The display can be used only with the appropriate terminal heads - cover with viewing window (e.g. TA30 from Endress+Hauser). 4.2.2 Mounting the DIN rail transmitter...

  • Page 17: Post-Installation Check

    TMT71 Installation 1. Position the top DIN rail groove at the top end of the DIN rail. 2. Slide the bottom of the device over the bottom end of the DIN rail until you can hear the lower DIN rail clip click into place on the DIN rail.

  • Page 18: Electrical Connection

    Electrical connection iTEMP TMT71 Electrical connection CAUTION ‣ Switch off the power supply before installing or connecting the device. Failure to observe this may result in the destruction of parts of the electronics. ‣ Do not occupy the display connection. An incorrect connection can destroy the electronics.

  • Page 19: Quick Wiring Guide

    TMT71 Electrical connection Quick wiring guide A0047635  9 Assignment of terminal connections for head transmitter Sensor input, RTD and Ω, 4-, 3- and 2-wire Sensor input, TC and mV Bus terminator and power supply Display connection and CDI interface A0047638 ...

  • Page 20: Connecting The Sensor Cables

    Electrical connection iTEMP TMT71 Connecting the sensor cables Terminal assignment of the sensor connections . 5.3.1 Connecting to push-in terminals A0039468  11 Push-in terminal connection, using the example of a head transmitter Fig. A, solid wire: 1. Strip wire end. Minimum stripping length 10 mm (0.39 in).
  • Page 21 TMT71 Electrical connection 2- 1+ 2- 1+ A0039698  12 Connecting the signal cables and power supply Head transmitter installed in field housing Head transmitter installed in terminal head DIN rail transmitter mounted on DIN rail Terminals for power supply...

  • Page 22: Ensuring The Degree Of Protection

    Electrical connection iTEMP TMT71 Ensuring the degree of protection Compliance with the following points is mandatory following installation in the field or servicing in order to ensure that IP67 protection is maintained: • The transmitter must be mounted in a terminal head with the appropriate degree of protection.

  • Page 23: Operation Options

    TMT71 Operation options Operation options Overview of operation options SmartBlue FieldCare TMT72 RN22/ RN42 HART® Modem A0050065  15 Operation options for the transmitter via HART® communication SmartBlue FieldCare TMT71/ Configuration TMT72 RN22/RN42 A0037893  16 Operation options for the transmitter via the CDI interface The transmitter' s optional Bluetooth interface is only active if a display unit is not attached or the CDI interface is not used for device configuration.
  • Page 24 Operation options iTEMP TMT71 6.1.1 Measured value display and operating elements Option: Display TID10 for head transmitter The display may also be subsequently ordered at any time after purchasing the transmitter, see the ' A ccessories' section in the Operating Instructions for the device.
  • Page 25 TMT71 Operation options Item no. Function Description "Out of specification" The device is being operated outside its technical specifications (e.g. during startup or cleaning processes). "Maintenance required" Maintenance is required. The measured value is still valid. The display alternates between the measured value and the status message.

  • Page 26: Structure And Function Of The Operating Menu

    Operation options iTEMP TMT71 3. Configure the DIP switch on the rear of the display accordingly. In general: switch to ON = function enabled, switch to OFF = function disabled. 4. Fit the display onto the head transmitter in the correct position. The head transmitter accepts the settings within one second.
  • Page 27 TMT71 Operation options User roles Endress+Hauser' s role-based access concept consists of two hierarchical levels for the user and presents the various user roles with defined read/write authorizations derived from the NAMUR shell model. • Operator The plant operator can only change settings that do not affect the application - and particularly the measuring path - and simple, application-specific functions that are used during operation.

  • Page 28: Access To The Operating Menu Via The Operating Tool

    DeviceCare Function scope DeviceCare is a free configuration tool for Endress+Hauser devices. It supports devices with the following protocols, provided a suitable device driver (DTM) is installed: HART, PROFIBUS, FOUNDATION Fieldbus, Ethernet/IP, Modbus, CDI, ISS, IPC and PCP. The target group comprises customers without a digital network in plants and service centers as well as Endress+Hauser service technicians.
  • Page 29 Access is via the HART ® protocol, CDI (= Endress+Hauser Common Data Interface). It also supports devices with the following protocols, provided a suitable device driver (DTM) is installed: PROFIBUS, FOUNDATION Fieldbus.

  • Page 30: Access To The Operating Menu Via The Smartblue App

    • Access to measured values, device status and diagnostics information The SmartBlue app is available for free download for Android devices (Google Playstore) and iOS devices (iTunes Apple Shop) : Endress+Hauser SmartBlue Directly to the app with the QR code:...
  • Page 31 TMT71 Operation options A0037924 System requirements • Devices with iOS: • iPhone 4S or higher, from iOS9.0 • iPad2 or higher, from iOS9.0 • iPod Touch 5th generation or higher, from iOS9.0 • Devices with Android: Android 4.4 KitKat or higher Download the SmartBlue app: 1.

  • Page 32: System Integration

    Endress+Hauser' s FieldCare and DeviceCare operating tools are also available for download (www. endress.com --> Downloads --> Search field: Software --> Application software) or on the data storage medium which you can obtain from your local Endress+Hauser sales organization. Measured variables...

  • Page 33: Commissioning

    TMT71 Commissioning Commissioning Post-installation check Before commissioning the measuring point make sure that all final checks have been carried out: • "Post-mounting check" checklist →  17 • "Post-connection check" checklist→  22 Switching on the transmitter Once you have completed the post-connection checks, switch on the supply voltage. The transmitter performs a number of internal test functions after power-up.
  • Page 34 Commissioning iTEMP TMT71 The following five operating elements are supported for navigation in the wizards: • Start Only on the initial page: start the wizard and go to the first section • Next Go to the next page of the wizard. Is not enabled until parameters are entered or confirmed.

  • Page 35: Protecting Settings From Unauthorized Access

    TMT71 Commissioning A0037390-EN 4 mA value 20 mA value Failure mode Failure current In the final section, a password can be defined for the "Maintenance" user role. This is strongly recommended to protect the device against unauthorized access. The following steps describe how to configure a password for the "Maintenance"...
  • Page 36 Commissioning iTEMP TMT71 To disable the write protection, the user must log on with the Maintenance user role via the relevant operating tool. User role concept →  27 Endress+Hauser...

  • Page 37: Diagnostics And Troubleshooting

    →  12. • If possible, test the display module Display is blank with other suitable head transmitters, e.g. an Endress+Hauser head transmitter. The display module is defective. Replace the module. The electronics of the head Replace the head transmitter.
  • Page 38 Diagnostics and troubleshooting iTEMP TMT71 Application errors without status messages for RTD sensor connection Problem Possible cause Remedy Incorrect sensor orientation. Install the sensor correctly. Heat conducted by sensor. Observe the installed length of the sensor. Device programming is incorrect Change the Connection type device (number of wires).

  • Page 39: Diagnostic Information On Local Display

    TMT71 Diagnostics and troubleshooting Diagnostic information on local display A0014837 Display in the event of a warning Display in the event of an alarm Status signal in the header The display alternates between the primary measured value and the status - indicated by the appropriate letter (M, C or S) - plus the defined error number.

  • Page 40: Diagnostic List

    Diagnostics and troubleshooting iTEMP TMT71 Diagnostic list If two or more diagnostic events occur simultaneously, only the diagnostic message with the highest priority is shown. Additional pending diagnostic messages are shown in the Diagnostic list submenu . The status signal dictates the priority in which the diagnostic messages are displayed.
  • Page 41 TMT71 Diagnostics and troubleshooting Diagnosti Customizable Customizable Status Diagnostic signal Short text Corrective measure behavior number from the from the factory factory customizable customizable Short-circuit 1. Check electrical connection. Alarm 2. Check sensor. 3. Replace sensor or cable. Sensor limit reached, sensor n 1.

  • Page 42: Firmware History

    Maintenance iTEMP TMT71 Diagnosti Customizable Customizable Status Diagnostic signal Short text Corrective measure behavior number from the from the factory factory customizable customizable Operating temperature 1. Check ambient temperature. Warning 2. Check process temperature. Process value out of 1. Check process value.

  • Page 43: Spare Parts

    Various accessories, which can be ordered with the device or subsequently from Endress +Hauser, are available for the device. Detailed information on the order code in question is available from your local Endress+Hauser sales center or on the product page of the Endress+Hauser website: www.endress.com.

  • Page 44: Communication-Specific Accessories

    12.2 Communication-specific accessories Accessories Description 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.  For details, see Technical Information TI405C/07 Field Xpert SMT70 Universal, high-performance tablet PC for device configuration The tablet PC enables mobile plant asset management in hazardous and non- hazardous areas.

  • Page 45: System Components

    DeviceCare is the tool developed by Endress+Hauser for the configuration of Endress+Hauser devices. All smart devices in a plant can be configured via a point- to-point or point-to-bus connection. The user-friendly menus enable transparent and intuitive access to the field devices.

  • Page 46: Technical Data

    Technical data iTEMP TMT71 Technical data 13.1 Input Measured variable Temperature (temperature-linear transmission behavior), resistance and voltage. Measuring range Resistance thermometer Designation α Measuring range limits Min. span (RTD) as per standard Pt100 (1) –200 to +850 °C (–328 to +1 562 °F) Pt200 (2) –200 to +850 °C (–328 to +1 562 °F)

  • Page 47: Output

    TMT71 Technical data Thermocouples as Designation Measuring range limits Min. span per standard Voltage Millivolt transmitter (mV) –20 to 100 mV 5 mV transmitter (mV) 13.2 Output Output signal Analog output 4 to 20 mA, 20 to 4 mA (can be inverted)

  • Page 48: Performance Characteristics

    Technical data iTEMP TMT71 Current consumption • 3.6 to 23 mA • Minimum current consumption 3.5 mA • Current limit ≤ 23 mA Terminal Choice of screw terminals or push-in terminals for sensor and power supply cables: Terminal design Cable version...
  • Page 49 TMT71 Technical data Measured error for resistance thermometers (RTD) and resistance transmitters Standard Designation Measuring range Measured error (±) Maximum Based on measured value ME = ± √((0.05 °C (0.09 °F) + Pt100 (1) ≤ 0.33 °C (0.59 °F) 0.006% * (MV - LRV))²...
  • Page 50 Technical data iTEMP TMT71 Standard Designation Measuring range Measured error (±) IEC 60584-1 ME = ± √((0.75 °C (1.35 °F) + ASTM E230-3 Type C (32) ≤ 1.05 °C (1.89 °F) 0.0055% * (MV - LRV))² + ASTM E988-96 (0.03% * MR)²) 0 to +2 000 °C (+32 to +3 632 °F)
  • Page 51 TMT71 Technical data The measured error data corresponds to 2 σ (Gaussian distribution). Physical input measuring range of sensors 10 to 400 Ω Cu50, Cu100, polynomial RTD, Pt50, Pt100, Ni100, Ni120 10 to 2 000 Ω Pt200, Pt500, Pt1000 –20 to 100 mV...
  • Page 52 Technical data iTEMP TMT71 Ambient temperature: Supply voltage: Designation Standard Influence (±) per 1 °C (1.8 °F) change Influence (±) per V change ≤ 0.005 °C ≤ 0.003 °C Pt1000 (4) (0.009 °F) (0.005 °F) ≤ 0.009 °C 0.0013% * (MV - LRV) + 0.003%, ≤...
  • Page 53 TMT71 Technical data Ambient temperature: Supply voltage: Designation Standard Influence (±) per 1 °C (1.8 °F) change Influence (±) per V change ≤ 0.01 °C Type L (41) (0.018 °F) DIN 43710 Type U (42) 0.0 °C (0.0 °F) GOST ≤...
  • Page 54 Technical data iTEMP TMT71 Designation Standard Long-term drift (±) ≤ 0.008% * (MV - ≤ 0.003% * MV + ≤ 0.0048% * MV + ≤ 0.0055% * MV + ≤ 0.0073% * MV + 10 to 400 Ω LRV) + 0.038% or 0.018% or 4 mΩ...

  • Page 55: Environment

    TMT71 Technical data 13.5 Environment Ambient temperature –40 to +85 °C (–40 to +185 °F), for hazardous areas see Ex documentation range Storage temperature • Head transmitter: –50 to +100 °C (–58 to +212 °F) • DIN rail device: –40 to +100 °C (–40 to +212 °F) Altitude Up to 4000 m (4374.5 yards) above mean sea level.

  • Page 56: Mechanical Construction

    Technical data iTEMP TMT71 13.6 Mechanical construction Design, dimensions Dimensions in mm (in) Head transmitter 5 (0.2) A0036303  21 Version with screw terminals Spring travel L ≥ 5 mm (not for US - M4 securing screws) Mounting elements for attachable measured value display TID10...
  • Page 57 TMT71 Technical data Field housing All field housings have an internal geometry in accordance with DIN EN 50446, form B (flat face). Cable glands in the diagrams: M20x1.5 Maximum ambient temperatures for cable glands Type Temperature range Polyamide cable gland ½" NPT, M20x1.5 (non-Ex) –40 to +100 °C (–40 to 212 °F)
  • Page 58 Technical data iTEMP TMT71 TA30H Specification • Flameproof (XP) version, explosion-protected, captive screw 125 (4.92) cap, with two cable entries • Protection class: NEMA Type 4x Encl. • Material: • Aluminum, with polyester powder coating • Stainless steel 316L without coating •...

  • Page 59: Certificates And Approvals

    TMT71 Technical data TA30D Specification • 2 cable entries 107.5 (4.23) • Material: aluminum, polyester powder coated Seals: silicone • Cable entry glands: 1/2" NPT and M20x1.5 • Two head transmitters can be mounted. In the standard configuration one transmitter is mounted in the terminal head cover and an additional terminal block is installed directly on the insert.
  • Page 60 Changes or modifications made to this equipment not brouillage est susceptible d' e n compromettre le expressly approved by Endress+Hauser may void the user' s fonctionnement. authorization to operate this equipment. This equipment has been tested and found to comply with Les changements ou modifications apportées à...

  • Page 61: Documentation

    Technical Documentation supplied with the device are displayed. • Enter the serial number on the nameplate into the Endress+Hauser Operations app or scan the 2-D matrix code (QR code) on the nameplate with the Endress+Hauser Operations app: all data relating to the device and the Technical Documentation pertaining to the device is displayed.

  • Page 62: Operating Menu And Parameter

    →  34 Start Guidance → Create documentation Save / restore Compare These parameters only appear in FDT/DTM-based operating tools, such as Endress+Hauser' s FieldCare and DeviceCare Diagnostics → Actual diagnostics → Actual diagnostics 1 →  66 Operating time →...
  • Page 63 TMT71 Operating menu and parameter description Diagnostics → Min/max values → Sensor min value →  71 Sensor max value →  71 Reset sensor min/max values →  72 Device temperature min. →  72 Device temperature max.
  • Page 64 Operating menu and parameter description iTEMP TMT71 Application → Current output → 4mA value →  77 20mA value →  77 Failure mode →  77 Failure current →  77 Current trimming 4 mA →  78 Current trimming 20 mA →...
  • Page 65 TMT71 Operating menu and parameter description Altitude →  87 Location method →  88 Location description →  88 Process unit TAG →  88 System → Display → Display interval →  89 Format display →  89 Value 1 display →...

  • Page 66: Menu: Diagnostics

    Operating menu and parameter description iTEMP TMT71 14.1 Menu: Diagnostics 14.1.1 Submenu: Actual diagnostics Actual diagnostics 1 Navigation Diagnostics → Actual diagnostics → Actual diagnostics 1 Description Displays the current diagnostic message. If two or more messages occur simultaneously, the message with the highest priority is shown on the display.

  • Page 67: Event Logbook → Previous Diagnostics N

    TMT71 Operating menu and parameter description User interface • Device • Sensor • Device temperature • Current output • Sensor RJ Time stamp n Navigation Diagnostics → Actual diagnostics → Time stamp n Description Displays the time stamp of the current diagnostic message in relation to the operating time.

  • Page 68: Time Stamp N

    Operating menu and parameter description iTEMP TMT71 Time stamp n Navigation Diagnostics → Event logbook → Time stamp n Description Displays the time stamp of the current diagnostic message in relation to the operating time. User interface Hours (h) 14.1.4 "Simulation"...

  • Page 69: Sensor Simulation

    TMT71 Operating menu and parameter description Description Use this function to set a current value for the simulation. In this way, users can verify the correct adjustment of the current output and the correct function of downstream switching units.

  • Page 70: Limit Corrosion Detection

    Operating menu and parameter description iTEMP TMT71 Factory setting Limit corrosion detection Navigation Diagnostics → Diagnostic settings → Properties → Limit corrosion detection Prerequisite A 4-wire RTD or TC must be selected as the sensor type or connection type. →  73 Description Use this function to enter the limit value for corrosion detection.

  • Page 71: Status Signal

    TMT71 Operating menu and parameter description Navigation Diagnostics → Diagnostic settings → Diagnostic behavior Description Each diagnostic event is assigned a certain diagnostic behavior. The user can change this assignment for certain diagnostic events. →  40 Selection • Alarm •...

  • Page 72: Reset Sensor Min/Max Values

    Operating menu and parameter description iTEMP TMT71 Reset sensor min/max values Navigation Diagnostics → Min/max values → Reset sensor min/max values Description Resets the min/max values of the sensor to their default values. User entry Clicking the Reset sensor min/max values button activates the reset function. As a result of this action, the min/max values of the sensor only display the reset, temporary values.

  • Page 73: Menu: Application

    TMT71 Operating menu and parameter description 14.2 Menu: Application 14.2.1 Submenu: Measured values 14.2.2 Submenu: Sensor Unit Navigation Application → Sensor → Unit Description Use this function to select the engineering unit for all the measured values. Selection • °C •...

  • Page 74: 2-Wire Compensation

    Operating menu and parameter description iTEMP TMT71 Selection 2-wire, 3-wire, 4-wire Factory setting 4-wire 2-wire compensation Navigation Application → Sensor → 2-wire compensation Prerequisite An RTD sensor or a resistance transmitter with a 2-wire connection type must be specified as the sensor type.

  • Page 75: Sensor Offset

    TMT71 Operating menu and parameter description Factory setting 0,00 Sensor offset Navigation Application → Sensor → Sensor offset Description Use this function to set the zero point correction (offset) of the sensor measured value. The value indicated is added to the measured value.

  • Page 76: Polynomial Coeff. R0, A, B

    Operating menu and parameter description iTEMP TMT71 Polynomial coeff. R0 Navigation Application → Sensor → Linearization → Polynomial coeff. R0 Prerequisite The RTD poly nickel or RTD copper polynomial option is enabled in the Sensor type parameter. Description Use this function to set the R0 Value only for linearization of nickel/copper sensors.
  • Page 77 TMT71 Operating menu and parameter description Navigation Application → Sensor → Linearization → Sensor upper limit Prerequisite The RTD platinum, RTD poly nickel or RTD copper polynomial option is enabled in the Sensor type parameter. Description Use this function to set the upper calculation limit for special sensor linearization.
  • Page 78 Operating menu and parameter description iTEMP TMT71 Navigation Application → Current output → Failure current Prerequisite The High alarm option is enabled in the "Failure mode" parameter. Description Use this function to set the value the current output adopts in an alarm condition.

  • Page 79: Menu: System

    TMT71 Operating menu and parameter description Current trimming 20 mA Navigation Application → Current output → Current trimming 20 mA Description Use this function to set the correction value for the current output at the end of the measuring range at 20 mA.
  • Page 80 Operating menu and parameter description iTEMP TMT71 Factory setting Depends on the product root and serial number EH_TMT71_serial number (TMT71) Mains filter Navigation System → Device management → Mains filter Description Use this function to select the mains filter for A/D conversion.
  • Page 81 TMT71 Operating menu and parameter description 14.3.2 User management submenu Define password → New password Maintenance Confirm new password Status password entry Change user role → Password Operator Status password entry Reset password → Reset password Operator Status password entry Change password →...
  • Page 82 The password must contain a minimum of 4 and a maximum of 16 characters and can consist of both letters and numbers. Leading and trailing spaces not used as part of the password. If you lose your password, please contact your Endress+Hauser Sales Center.
  • Page 83 TMT71 Operating menu and parameter description Prerequisite The Operator user role is active and a password has been defined. Description Use this function to enter a password for the selected user role to gain access to the functions of this role.
  • Page 84 Operating menu and parameter description iTEMP TMT71 User entry Activate the button. Change password Navigation System → User management → Change password Prerequisite The Maintenance user role must be active. Description • Old password: Use this function to enter the current password to then be able to make changes to the existing password.
  • Page 85 Displays the serial number of the device. It can also be found on the nameplate. Uses of the serial number • To identify the measuring device quickly, e.g. when contacting Endress+Hauser. • To obtain specific information on the measuring device using the Device Viewer: www.endress.com/deviceviewer...
  • Page 86 In contrast, the device features cannot be read directly from the order code. Uses of the order code • To order an identical spare device. • To identify the device quickly and easily, e.g. when contacting Endress+Hauser. Firmware version Navigation System → Information → Device → Firmware version Description Displays the device firmware version that is installed.
  • Page 87 TMT71 Operating menu and parameter description Device name Navigation System → Information → Device → Device name Description Displays the device name. It can also be found on the nameplate. Manufacturer Navigation System → Information → Device → Manufacturer Description Displays the name of the manufacturer.
  • Page 88 Operating menu and parameter description iTEMP TMT71 User entry –1.0 · 10 to +1.0 · 10 Factory setting Location method Navigation System → Information → Device location → Location method Description Use this function to select the data format for specifying the geographic location. The codes for specifying the location are based on the US National Marine Electronics Association (NMEA) Standard NMEA 0183.
  • Page 89 TMT71 Operating menu and parameter description 14.3.5 Display submenu Display interval Navigation System → Display → Display interval Description Set the display duration of the measured values on the local display if they are displayed in alternation. This type of change is only generated automatically if several measured values are specified.
  • Page 90 Operating menu and parameter description iTEMP TMT71 Additional information Value A0014564 Value + bar graph A0014563 Value 1 display (Value 2 or 3 display) Navigation System → Display → Format display → Value 1 display (Value 2 or 3 display) Description Use this function to select a measured value that is shown on the local display.
  • Page 91 TMT71 Operating menu and parameter description Selection • x • x.x • x.xx • x.xxx • x.xxxx • Automatic Factory setting Automatic Endress+Hauser...

  • Page 92: Index

    Index iTEMP TMT71 Index 0 … 9 Display (submenu) ......89 Display interval (parameter) ....89 2-wire compensation (parameter) .
  • Page 93 TMT71 Index SmartBlue app ......30 Order code ....... . 86 Wire without wire end ferrule .
  • Page 96 *71574324* 71574324 www.addresses.endress.com...

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