BA01854T/09/EN/02.18 71424899 2018-12-03 Products Solutions Valid as of version 01.
iTEMP TMT72 Table of contents Table of contents 1 About this document . . . . . . . . . . . . . . . . 4 1.1 1.2 1.3 1.4 1.5 1.6 Document function . . . . . . . . . . . . . . . . . . . . . Safety Instructions (XA) . . . . . . . . . . . . . . . . . . Symbols used . . . . . . . . . . . . . . . . . . . . . . . . . . Tool symbols . . . . . . . . . . . . . . . . . . . . . . . . . . Documentation . . . . . . . . . . . . . . . . . . . . . . . . Registered trademarks . . . . . . . . . . . . . . . . . . .
About this document iTEMP TMT72 1 About this document 1.1 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. 1.2 Safety Instructions (XA) When using in hazardous areas, compliance with national regulations is mandatory.
iTEMP TMT72 About this document Symbol Meaning Ground connection A grounded terminal which, as far as the operator is concerned, is grounded via a grounding system. Protective Earth (PE) A terminal which must be connected to ground prior to establishing any other connections. The ground terminals are situated inside and outside the device: • Inner ground terminal: Connects the protectiv earth to the mains supply. • Outer ground terminal: Connects the device to the plant grounding system. 1.3.
About this document iTEMP TMT72 1.4 Tool symbols Symbol Meaning Flat blade screwdriver A0011220 Phillips head screwdriver A0011219 Allen key A0011221 Open-ended wrench A0011222 Torx screwdriver A0013442 1.5 Documentation Document Purpose and content of the document Technical Information TI01392T/09/en Planning aid for your device The document contains all the technical data on the device and provides an overview of the accessories and other products that can be ordered for the device.
iTEMP TMT72 Basic safety instructions 2 Basic safety instructions 2.
Incoming acceptance and product identification iTEMP TMT72 3 Incoming acceptance and product identification 3.1 Incoming acceptance 1. Unpack the temperature transmitter carefully. Is the packaging or content damaged? Damaged components may not be installed as the manufacturer can otherwise not guarantee compliance with the original safety requirements or the material resistance, and can therefore not be held responsible for any resulting damage. 2.
iTEMP TMT72 Incoming acceptance and product identification Input: 11-42V 1 Ext. ord. cd.: XXXXXXXXXXXXX# Ser.no.: 012345678910 Dev.Rev: x xx.yy.
Installation iTEMP TMT72 4 Installation 4.1 Installation conditions 4.1.1 Dimensions The dimensions of the device are provided in the "Technical data" section → 56. 4.1.
iTEMP TMT72 Installation 4.2.1 Mounting the head transmitter Item B Item A 7 6 5 12 0 (4 mm .72 in) 4 3 2 8 9 1 12 0 (4 mm .
Installation iTEMP TMT72 Item B Mounting in a field housing 1 Field housing cover 2 Mounting screws with springs 3 Head transmitter 5 Field housing 14 0 (5 mm .51 in) 21 (0 mm .83 in) !6.5 mm (0.25 in) 12 0 (4 mm .72 in) A0024604 3 Dimensions of angle bracket for wall mount (complete wall mounting set available as accessory) Procedure for mounting in a field housing, pos. B: 1. Open the cover (1) of the field housing (4). 2.
iTEMP TMT72 Installation Mounting typical of North America 1 2 3 4 5 5 6 6 A0008520 4 1 2 3 4 5 6 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. 2.
Installation iTEMP TMT72 Mounting the display on the head transmitter A0009852 5 Mounting the display 1. Loosen the screw on the terminal head cover. Flip back the terminal head cover. 2. Remove the cover of the display connection area. 3. Fit the display module onto the mounted and wired head transmitter. The fastening pins must click securely into place on the head transmitter. After mounting, securely tighten the terminal head cover.
iTEMP TMT72 Electrical connection 5 Electrical connection LCAUTION ‣ 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. 5.1 Connection conditions Proceed as follows to wire a mounted head transmitter: 1. Open the cable gland and the housing cover on the terminal head or the field housing. 2.
Electrical connection iTEMP TMT72 5.4 Connecting the transmitter Cable specification • A normal device cable suffices if only the analog signal is used. • A shielded cable is recommended for HART® communication. Observe grounding concept of the plant. Please also observe the general procedure on → 15.
iTEMP TMT72 Electrical connection 3 1 2 - . 4 A0014463 8 1 2 3 4 Shielding and grounding the signal cable at one end with HART® communication Optional grounding of the field device, isolated from cable shielding Grounding of the cable shield at one end Supply unit Grounding point for HART® communication cable shield 5.
Operation options iTEMP TMT72 6 Operation options 6.1 Overview of operation options SmartBlue App FieldCare PLC TMT72 RN221N HART® Modem A0036305 9 Operation options for the transmitter via HART® communication 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. 6.1.
iTEMP TMT72 Operation options Item no. Function Description 1 Displays the TAG TAG, 32 characters long. 2 'Communication' symbol The communication symbol appears when read and write-accessing via the fieldbus protocol. 3 Unit display Unit display for the measured value displayed. 4 Measured value display Displays the current measured value. 5 Value/channel display DT, PV, I, % e.g.
Operation options iTEMP TMT72 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. 5. Secure the cover back onto the terminal head or field housing.
iTEMP TMT72 Operation options 6.2 Structure and function of the operating menu 6.2.1 Structure of the operating menu + - Guidance Commissioning Diagnostics Actual diagnostics Actual Diagnostics Diagnostic list Actual diagnostics list Event logbook Previous diagnostics n Simulation Diagnostic event simulation Diagnostic settings Properties Min/max values Sensor min value Measured values Sensor value Sensor Unit Application + Linearization System Alarm delay Call./v. Dusen coeff.
Operation options iTEMP TMT72 • 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. The operator is able to read all the parameters, however. • Maintenance The Maintenance user role refers to configuration situations: commissioning and process adaptations as well as troubleshooting. It allows the user to configure and modify all available parameters.
iTEMP TMT72 Operation options Submenus Menu Typical tasks Content/meaning "Diagnostics" Troubleshooting: • Diagnosing and eliminating process errors. • Error diagnostics in difficult cases. • Interpretation of device error messages and correcting associated errors.
Operation options iTEMP TMT72 6.3.2 FieldCare Function scope FDT/DTM-based plant asset management tool from Endress+Hauser. It can configure all smart field units in a system and help you manage them. By using the status information, it is also a simple but effective way of checking their status and condition. Access is via the HART® protocol, CDI (= Endress+Hauser Common Data Interface).
iTEMP TMT72 Operation options User interface 1 2 4 3 6 5 8 9 10 7 11 A0037232-EN 13 1 2 3 4 5 6 7 8 9 10 11 FieldCare user interface with device information Network view Header Extended header Tag name and device name Status signal Measured values with device and measured value status information, simple presentation, e.g.
Operation options iTEMP TMT72 Source for device description files See information → 28. 6.3.5 SIMATIC PDM Function scope SIMATIC PDM is a standardized, manufacturer-independent program from Siemens for the operation, configuration, maintenance and diagnosis of intelligent field devices via the HART ® protocol. Source for device description files See information → 28. 6.3.
iTEMP TMT72 Operation options 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. Install and start the SmartBlue app. A Live List shows all the devices available. 2. Select the device from the Live List. The Login dialog box opens. Logging in: 3. Enter the user name: admin 4.
System integration iTEMP TMT72 7 System integration 7.1 Overview of device description files Version data for the device Firmware version 01.01.
iTEMP TMT72 System integration There are three different types of command • Universal commands: All HART® devices support and use universal commands. These are associated with the following functionalities for example: – Recognition of HART® devices – Reading digital measured values • Common practice commands: Common practice commands offer functions which are supported and can be executed by many but not all field devices.
System integration 30 iTEMP TMT72 Command No.
iTEMP TMT72 Commissioning 8 Commissioning 8.1 Post-installation check Before commissioning the measuring point make sure that all final checks have been carried out: • "Post-installation check" checklist→ 14 • "Post-connection check" checklist → 17 8.2 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.
Commissioning iTEMP TMT72 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. • Back Return to the previous page • Cancel If Cancel is selected, the status before the wizard was started is restored • Finish Closes the wizard and possibility of making additional parameter settings on the device.
iTEMP TMT72 Commissioning In the third section, the settings are made for the analog output and the output's alarm response. The following parameters can be configured: Navigation Guidance → Commissioning → Current output + + - 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.
Commissioning iTEMP TMT72 The parameters are also protected against modification if the user logs out of the Maintenance user role and the system switches to the Operator role. No keyhole symbol is displayed, however. To disable the write protection, the user must log on with the Maintenance user role via the relevant operating tool.
iTEMP TMT72 Diagnostics and troubleshooting 9 Diagnostics and troubleshooting 9.1 General troubleshooting Always start troubleshooting with the checklists below if faults occur after startup or during operation. The checklists take you directly (via various queries) to the cause of the problem and the appropriate remedial measures. Due to its design, the device cannot be repaired. However, it is possible to send the device in for examination. See the information in the "Return" section. .
Diagnostics and troubleshooting iTEMP TMT72 Faulty connection to the fieldbus host system Problem Possible cause Remedy Device is not responding. Supply voltage does not match that specified on the nameplate. Check the voltage at the transmitter directly using a voltmeter and correct. Connecting cables are not in contact with the terminals. Check the contacting of the cables and correct if necessary. Electronics unit is defective. Replace the device. Output current < 3.
iTEMP TMT72 Diagnostics and troubleshooting Application errors without status messages for TC sensor connection Problem Measured value is incorrect/ inaccurate Failure current (≤ 3.6 mA or ≥ 21 mA) 9.2 Possible cause Remedy Incorrect sensor orientation. Install the sensor correctly. Heat conducted by sensor. Observe the face-to-face length of the sensor. Device programming is incorrect (scaling). Change scaling. Incorrect thermocouple type (TC) configured.
Diagnostics and troubleshooting iTEMP TMT72 9.3 Diagnostic information via communication interface NOTICE Status signals and diagnostic behavior can be configured manually for certain diagnostic events. If a diagnostic event occurs, however, it is not guaranteed that the measured values are valid for the event and comply with the process for the status signals S and M and the diagnostic behavior: 'Warning' and Disabled'. ‣ Reset the status signal assignment to the factory setting.
iTEMP TMT72 Diagnostics and troubleshooting 9.6 Overview of diagnostic events Each diagnostic event is assigned a certain event behavior at the factory. The user can change this assignment for certain diagnostic events. Example: Settings Device behavior Configuration examples Diagnostic number Status signal Diagnostic behavior from the factory Status signal (output via HART® communication) Current output PV, status Display 1.
Diagnostics and troubleshooting Diagnostic number Short text iTEMP TMT72 Corrective measure Status signal from the factory Customizable Diagnosti Customizable 2) c behavior from the factory Not customizable Not customizable 1) 402 Initialization active Initialization active, please wait. C Warning 410 Data transfer failed 1. Check connection. 2. Retry data transfer. F Alarm 411 Up-/download active Up-/download active, please wait.
iTEMP TMT72 Maintenance Date Firmware version Changes Documentation 11/2018 01.01.zz Original firmware BA01854T/09/en/01.18 10 Maintenance No special maintenance work is required for the device. Cleaning A clean, dry cloth can be used to clean the device. 11 Repair 11.1 General information Due to its construction, the device cannot be repaired. 11.2 Spare parts Spare parts currently available for the device can be found online at: http://www.products.endress.com/spareparts_consumables.
Accessories iTEMP TMT72 12 Accessories 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.
iTEMP TMT72 Accessories 12.3 Service-specific accessories Accessories Description Applicator Software for selecting and sizing Endress+Hauser measuring devices: • Calculation of all the necessary data for identifying the optimum measuring device: e.g. pressure loss, accuracy or process connections. • Graphic illustration of the calculation results Administration, documentation and access to all project-related data and parameters over the entire life cycle of a project.
Accessories iTEMP TMT72 12.4 System components Accessories Description RN221N Active barrier with power supply for safe separation of 4 to 20 mA standard signal circuits. Has bidirectional HART® transmission and optional HART® diagnostics if transmitters are connected with monitoring of 4 to 20 mA signal or HART® status byte analysis and an E+H-specific diagnostic command.
iTEMP TMT72 Technical data Measured variable Measuring range Resistance thermometer 13 Technical data 13.1 Input Temperature (temperature-linear transmission behavior), resistance and voltage. α Measuring range limits Min. span IEC 60751:2008 Pt100 (1) Pt200 (2) Pt500 (3) Pt1000 (4) 0.003851 –200 to +850 °C (–328 to +1 562 °F) –200 to +850 °C (–328 to +1 562 °F) –200 to +500 °C (–328 to +932 °F) –200 to +250 °C (–328 to +482 °F) 10 K (18 °F) JIS C1604:1984 Pt100 (5) 0.
Technical data Thermocouples as per standard iTEMP TMT72 Designation Measuring range limits Min. span • Internal cold junction (Pt100) • External cold junction: configurable value –40 to +85 °C (–40 to +185 °F) • Maximum sensor wire resistance 10 kΩ (If the sensor wire resistance is greater than 10 kΩ, an error message is output in accordance with NAMUR NE89.) Voltage transmitter (mV) Millivolt transmitter (mV) 13.
iTEMP TMT72 Technical data HART® specification 7 Device address in multi-drop mode Software setting addresses0 to 63 Device description files (DTM, DD) Information and files under: www.endress.com www.fieldcommgroup.org HART load min.
Technical data iTEMP TMT72 13.4 Response time Performance characteristics The measured value update depends on the type of sensor and connection method and moves within the following ranges: Resistance thermometer (RTD) 1s Thermocouples (TC) 1s Reference temperature 0.9 s When recording step responses, it must be taken into account that the times the internal reference measuring point are added to the specified times where applicable.
iTEMP TMT72 Standard Technical data Designation Measuring range Measured error (±) Digital 1) JIS C1604:1984 Pt100 (5) –200 to +510 °C (–328 to +950 °F) ≤ 0.09 °C (0.16 °F) ME = ± (0.05 °C (0.09 °F) + 0.006% * (MV - LRV)) Pt50 (8) –185 to +1 100 °C (–301 to +2 012 °F) ≤ 0.18 °C (0.32 °F) ME = ± (0.07 °C (0.13 °F) + 0.008% * (MV - LRV)) Pt100 (9) –200 to +850 °C (–328 to +1 562 °F) ≤ 0.11 °C (0.2 °F) ME = ± (0.05 °C (0.09 °F) + 0.006% * (MV - LRV)) –60 to +250 °C (–76 to +482 °F) ≤ 0.
Technical data Standard iTEMP TMT72 Designation Measuring range Measured error (±) Digital 1) Type T (40) –150 to +400 °C (–238 to +752 °F) ≤ 0.5 °C (0.9 °F) ME = ± (0.5 °C (0.9 °F) 0.04% * (MV- LRV)) Type L (41) –150 to +900 °C (–238 to +1 652 °F) ≤ 0.39 °C (0.7 °F) ME = ± (0.39 °C (0.7 °F) 0.008% * (MV- LRV)) Type U (42) –150 to +600 °C (–238 to +1 112 °F) ≤ 0.45 °C (0.81 °F) ME = ± (0.45 °C (0.81 °F) 0.025% * (MV- LRV)) Type L (43) –200 to +800 °C (–328 to +1 472 °F) ≤ 2.30 °C (4.
iTEMP TMT72 Technical data The measured error data correspond to 2 s (Gaussian distribution). MV = Measured value LRV = Lower range value of relevant sensor Physical input measuring range of sensors Sensor adjustment 10 to 400 Ω Cu50, Cu100, polynomial RTD, Pt50, Pt100, Ni100, Ni120 10 to 2 000 Ω Pt200, Pt500, Pt1000 –20 to 100 mV Thermocouples type: A, B, C, D, E, J, K, L, N, R, S, T, U Sensor transmitter matching RTD sensors are one of the most linear temperature measuring elements.
Technical data Designation iTEMP TMT72 Standard Ambient temperature: Influence (±) per 1 °C (1.8 °F) change Digital 1) Supply voltage: Influence (±) per V change D/A 2) Digital D/A Pt200 (2) ≤ 0.017 °C (0.031 °F) - ≤ 0.009 °C (0.016 °F) - Pt500 (3) ≤ 0.008 °C (0.014 °F) 0.0013% * (MV - LRV), at least 0.006 °C (0.011 °F) ≤ 0.004 °C (0.007 °F) 0.0007% * (MV - LRV), at least 0.006 °C (0.011 °F) Pt1000 (4) ≤ 0.005 °C (0.009 °F) - ≤ 0.003 °C (0.005 °F) - ≤ 0.009 °C (0.016 °F) 0.
iTEMP TMT72 Technical data Designation Ambient temperature: Influence (±) per 1 °C (1.8 °F) change Standard Digital 1) Type K (36) ≤ 0.02 °C (0.036 °F) Type N (37) Type R (38) D/A 2) 0.0015% * (MV - LRV), at least 0.0 °C (0.0 °F) - ≤ 0.01 °C (0.018 °F) Type U (42) Type L (43) GOST R8.8585-2001 1) 2) - ≤ 1.5 µV - - ≤ 0.01 °C (0.018 °F) - - 0.0 °C (0.0 °F) - - ≤ 0.01 °C (0.018 °F) - ≤ 0.8 µV 0.0008% * MV Voltage transmitter (mV) –20 to 100 mV - - 0.003 % DIN 43710 0.
Technical data Designation iTEMP TMT72 Standard Long-term drift (±) 1) Ni120 (7) Cu50 (10) Cu100 (11) Ni100 (12) Ni120 (13) Cu50 (14) OIML R84: 2003 / GOST 6651-2009 OIML R84: 2003 / GOST 6651-94 0.02 °C (0.04 °F) 0.03 °C (0.05 °F) 0.04 °C (0.07 °F) 0.05 °C (0.09 °F) 0.05 °C (0.09 °F) 0.02 °C (0.04 °F) 0.02 °C (0.04 °F) 0.03 °C (0.05 °F) 0.04 °C (0.07 °F) 0.01 °C (0.02 °F) 0.02 °C (0.04 °F) 0.02 °C (0.04 °F) 0.02 °C (0.04 °F) 0.02 °C (0.04 °F) 0.03 °C (0.05 °F) 0.04 °C (0.07 °F) 0.
iTEMP TMT72 Technical data Analog output long-term drift D/A long-term drift 1) (±) after 1 month after 6 months after 1 year after 3 years after 5 years 0.018% 0.026% 0.030% 0.036% 0.038% 1) Influence of the reference junction Percentages based on the configured span of the analog output signal. Pt100 DIN IEC 60751 Cl.
Technical data iTEMP TMT72 Measuring category Measuring category II as per IEC 61010-1. The measuring category is provided for measuring on power circuits that are directly connected electrically with the low-voltage network. Degree of contamination Pollution degree 2 as per IEC 61010-1. 13.6 Design, dimensions Mechanical construction Dimensions in mm (in) Head transmitter !5 (0.2) A 24.1 (0.95) !44 (1.73) B 33 (1.3) !7 (0.
iTEMP TMT72 Technical data TA30A with display window in cover Specification • Two cable entries • Temperature: –50 to +150 °C (–58 to +302 °F) without cable gland • Material: aluminum, polyester powder coated Seals: silicone • Cable entry glands: 1/2" NPT and M20x1.5 • Color of head: blue, RAL 5012 • Color of cap: gray, RAL 7035 • Weight: 420 g (14.81 oz) 15.5 (0.6) 91.6 (3.61) 107.5 (4.23) 28 (1.1)78 (3.
Technical data iTEMP TMT72 TA30D Specification • 2 cable entries • Temperature: –50 to +150 °C (–58 to +302 °F) without cable gland • 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.
iTEMP TMT72 Technical data Marine approvals For the type approval certificates (DNVGL, BV etc.) currently available, please contact your Endress+Hauser Sales Center for information. All data relating to shipbuilding can be found in separate type approval certificates which can be requested as needed. Radio approval The device has Bluetooth® radio approval in accordance with the Radio Equipment Directive (RED) and the Federal Communications Commission (FCC) 15.247 for the USA.
Technical data Other standards and guidelines iTEMP TMT72 • IEC 60529: Degree of protection provided by housing (IP code) • IEC/EN 61010-1: Safety requirements for electrical equipment for measurement, control and laboratory use • IEC/EN 61326-Series: Electromagnetic compatibility (EMC requirements) • This Class B digital apparatus complies with Canadian ICES-003 Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada. Compliance Label: CAN ICES-3 (B)/NMB-3(B) 13.
iTEMP TMT72 Operating menu and parameter description 14 Operating menu and parameter description The following tables list all the parameters in the "Guidance, Diagnostics, Application and System" operating menus. The page number refers to where a description of the parameter can be found. Depending on the parameter configuration, not all submenus and parameters are available in every device. Information on this can be found in the parameter description under "Prerequisite". This symbol FieldCare).
Operating menu and parameter description Diagnostics → Application → Application → Application → Application → Application → 62 Min/max values → Measured values → Sensor → Sensor → Current output → HART configuration → iTEMP TMT72 Sensor min value → 70 Sensor max value → 70 Reset sensor min/max values → 71 Device temperature min. → 71 Device temperature max. → 71 Reset device temp.
iTEMP TMT72 System→ System→ Operating menu and parameter description Device management→ User management → HART address → 81 No.
Operating menu and parameter description System → System → 64 Information → Display → iTEMP TMT72 HART info → Location method → 90 Location description → 91 Process unit TAG → 91 Device type → 91 Device revision → 92 HART revision → 92 HART descriptor → 92 HART message → 92 Hardware revision → 92 Software revision → 93 HART date code → 93 Manufacturer ID → 93 Device ID → 93 Display interval → 94 Format display → 94 Value 1 display → 95
iTEMP TMT72 Operating menu and parameter description 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.
Operating menu and parameter description User interface iTEMP TMT72 • 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. User interface Hours (h) 14.1.3 "Event logbook" submenu n = Number of diagnostic messages (n = 1 to 10). The last 10 messages are listed in chronological order.
iTEMP TMT72 Operating menu and parameter description 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" submenu Diagnostic simulation Navigation Diagnostics → Simulation → Diagnostic simulation Description Switches diagnostic simulation on and off. Selection Enter one of the diagnostic events using the dropdown menu → 39.
Operating menu and parameter description iTEMP TMT72 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. User entry 3.58 to 23 mA Factory setting 3.58 mA Sensor simulation Navigation Diagnostics → Simulation → Sensor simulation Description Use this function to enable the simulation of the process variable.
iTEMP TMT72 Factory setting Operating menu and parameter description 2s Sensor line resistance Navigation Diagnostics → Diagnostic settings → Properties → Sensor line resistance Prerequisite A 4-wire RTD or TC must be selected as the sensor type or connection type. → 73 Description Displays the highest measured resistance value of a sensor line. User interface –1.0 · 1020 to +1.
Operating menu and parameter description Navigation iTEMP TMT72 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.
iTEMP TMT72 Operating menu and parameter description 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 activates the reset function. As a result of this action, the min/max values of the sensor only display the reset, temporary values. Device temperature min.
Operating menu and parameter description Navigation Description iTEMP TMT72 Application → Measured values → Sensor value Displays the current measured value at the sensor input. Sensor raw value Navigation Description Application → Measured values → Sensor raw value Displays the non-linearized mV/Ohm value at the specific sensor input. Output current Navigation Description Application → Measured values → Output current Displays the calculated output current in mA.
iTEMP TMT72 Operating menu and parameter description Navigation Description Application → Measured values → SV Displays the secondary device variables. TV Navigation Description Application → Measured values → TV Displays the tertiary device variables. QV Navigation Description Application → Measured values → QV Displays the quartenary (fourth) device variables. 14.2.
Operating menu and parameter description Description iTEMP TMT72 Use this function to select the sensor type for the sensor input. Please observe the terminal assignment when connecting the sensors. → 15 Options A list of all the possible sensor types is provided in the "Technical data" section.→ 45 Factory setting Sensor type 1: Pt100 IEC751 Connection type Navigation Application → Sensor → Connection type Prerequisite An RTD sensor must be specified as the sensor type.
iTEMP TMT72 Operating menu and parameter description Options • Internal measurement: the internal reference junction temperature is used. • Fixed value: a fixed value is used. • Measured value of the external sensor: the measured value of the connected sensor is used. Factory setting Internal measurement RJ preset value Navigation Application → Sensor → RJ preset value Prerequisite The Preset value parameter must be set if the Fixed value option is selected.
Operating menu and parameter description iTEMP TMT72 Call./v. Dusen coeff. A, B and C Navigation Application → Sensor → Linearization → Call./v. Dusen coeff. A, B and C Prerequisite The RTD platinum (Callendar/Van Dusen) option is enabled in the Sensor type parameter. Description Use this function to set the coefficients for sensor linearization based on the Callendar/Van Dusen method. Factory setting • A: 3.90830e-003 • B: -5.77500e-007 • C: -4.18300e-012 Polynomial coeff.
iTEMP TMT72 Operating menu and parameter description 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 lower calculation limit for special sensor linearization. User entry Depends on the sensor type selected. Factory setting Depends on the sensor type selected.
Operating menu and parameter description Navigation iTEMP TMT72 Application → Current output → Failure mode Description Use this function to select the signal on alarm level of the current output in the event of an error. Options • High alarm • Low alarm Factory setting Low alarm Failure current Navigation Application → Current output → Failure current Prerequisite The High alarm option is enabled in the "Failure mode" parameter.
iTEMP TMT72 Operating menu and parameter description Current trimming 4 mA Navigation Application → Current output → Current trimming 4 mA Description Use this function to set the correction value for the current output at the start of the measuring range at 4 mA. User entry 3.5 to 4.25 mA Factory setting 4 mA Additional information The trimming only affects the current loop values from 3.8 to 20.5 mA. The failure mode with low alarm and high alarm current values is not subject to trimming.
Operating menu and parameter description 14.2.5 iTEMP TMT72 Submenu: HART configuration Assign current output (PV) Navigation Application → HART configuration → Assign current output (PV) Description Use this function to assign the measured variables to the primary HART® value (PV).
iTEMP TMT72 Operating menu and parameter description HART address Navigation Application → HART configuration → HART address Description Use this function to define the HART address of the device. User entry 0 to 63 Factory setting 0 Additional information The measured value can only be transmitted via the current value if the address is set to "0". The current is fixed to a value of 4.0 mA for all other addresses (Multidrop mode).
Operating menu and parameter description Navigation iTEMP TMT72 System → Device management → Device tag Description Use this function to enter a unique name for the measuring point so it can be identified quickly within the plant. User entry Max. 32 characters, such as letters, numbers or special characters (e.g.
iTEMP TMT72 Factory setting Operating menu and parameter description Not active Configuration counter Navigation System → Device management → Configuration counter Description Displays the counter reading for changes to device parameters. Static parameters, whose values change during optimization or configuration, cause this parameter to increment by 1. This supports parameter version management. If several parameters change, e.g. as a result of loading parameters from FieldCare etc.
Operating menu and parameter description iTEMP TMT72 Navigation in the submenu is supported by the following operating elements: • Back Return to the previous page • Cancel If Cancel is selected, the status before the submenu was started is restored Define password Navigation System → User management → Define password Description Use this function to start password definition User entry Activate the button New password Navigation System → User management → Define password → New password Descrip
iTEMP TMT72 Operating menu and parameter description Status password entry Navigation Description System → User management → Define password → Status password entry Displays the status of the password verification.
Operating menu and parameter description User entry iTEMP TMT72 Activate the text box and enter the reset code. Status password entry Navigation Description System → User management → Recover password → Status password entry → 85 Logout Navigation System → User management → Logout Prerequisite The Maintenance user role must be active. Description The Maintenance user role is exited and the system switches to the Operator user role. User entry Activate the button.
iTEMP TMT72 Operating menu and parameter description Delete password Navigation System → User management → Delete password Prerequisite The Maintenance user role must be active. Description The password currently valid is deleted. The Define password button appears. User entry Activate the Delete password button. 14.3.3 Bluetooth configuration submenu Bluetooth Navigation System → Bluetooth configuration → Bluetooth Description Use this function to enable or disable the Bluetooth function.
Operating menu and parameter description 14.3.4 iTEMP TMT72 Information submenu Device submenu Squawk Navigation System → Information → Device → Squawk Description This function can be used locally to facilitate the identification of the device in the field. Once the Squawk function has been activated, all the segments flash on the display. Options • Squawk once: Display of device flashes for 60 seconds and then returns to normal operation. • Squawk on: Display of device flashes continuously.
iTEMP TMT72 Navigation Operating menu and parameter description System → Information → Device → Firmware version Description Displays the device firmware version installed. User interface Max. 6-digit character string in the format xx.yy.zz Hardware revision Navigation Description System → Information → Device → Hardware revision Displays the hardware revision of the device.
Operating menu and parameter description iTEMP TMT72 Device location submenu Latitude Navigation System → Information → Device location → Latitude Description Use this function to enter the latitude coordinates that describe the device location. User entry –90.000 to +90.000 ° Factory setting 0 Longitude Navigation System → Information → Device location → Longitude Description Use this function to enter the longitude coordinates that describe the device location. User entry –180.
iTEMP TMT72 Operating menu and parameter description Options • No fix • GPS or Standard Positioning Service (SPS) fix • Differential PGS fix • Precise positioning service (PPS) • Real Time Kinetic (RTK) fixed solution • Real Time Kinetic (RTK) float solution • Estimated dead reckoning • Manual input mode • Simulation mode Factory setting Manual input mode Location description Navigation System → Information → Device location → Location description Description Use this function to enter a descripti
Operating menu and parameter description iTEMP TMT72 Device revision Navigation System → Information → HART info → Device revision Description Displays the device revision with which the device is registered with the HART® FieldComm Group. It is needed to assign the appropriate device description file (DD) to the device.
iTEMP TMT72 Navigation Operating menu and parameter description System → Information → HART info → Hardware revision Software revision Navigation Description System → Information → HART info → Software revision Displays the software revision of the device. HART date code Navigation System → Information → HART info → HART date code Description Use this function to define date information for individual use.
Operating menu and parameter description 14.3.5 iTEMP TMT72 Submenu: Display Display interval Navigation Description System → Display → Display interval Use this function to set the length of time the measured values are displayed if the values alternate on the local display. This type of change is only generated automatically if several measured values are specified. • The Value 1 display - Value 3 display parameters are used to specify which measured values are shown on the local display.
iTEMP TMT72 Additional information Operating menu and parameter description Value A0014564 Value + bar graph A0014563 Value 1 display (Value 2 or 3 display) Navigation Description System → Display → Format display → Value 1 display (Value 2 or 3 display) Use this function to select one of the measured values shown on the local display. The Format display parameter is used to specify how the measured values are displayed.
Operating menu and parameter description Options •x • x.x • x.xx • x.xxx • x.
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