Endress+Hauser iTEMP TMT71 Technical specifications

Products Solutions Services
Brief Operating Instructions
iTEMP TMT71, TMT72
Temperature transmitter
TMT71 with 4 to 20 mA analog output
TMT72 with HART® communication
These Instructions are Brief Operating Instructions; they are
not a substitute for the Operating Instructions pertaining to
the device.
For detailed information, refer to the Operating Instructions
and other documentation.
Available for all device versions via:
• Internet: www.endress.com/deviceviewer
• Smart phone/Tablet: Endress+Hauser Operations App
KA01414T/09/EN/02.19
71442342
2019-05-29

iTEMP TMT71, TMT72
2 Endress+Hauser
Order code:
Ext. ord. cd.:
Ser. no.:
www.endress.com/deviceviewer Endress+Hauser
Operations App
XXXXXXXXXXXX
XXXXX-XXXXXX
XXX.XXXX.XX
Serial number
1.
3.
2.
A0023555

iTEMP TMT71, TMT72 Table of contents
Endress+Hauser 3
Table of contents
1 About this document .............................................................. 3
1.1 Safety Instructions (XA) ................................................................. 3
1.2 Symbols used ......................................................................... 4
1.3 Tool symbols ..........................................................................5
1.4 Registered trademarks .................................................................. 5
2 Basic safety instructions .......................................................... 6
2.1 Requirements for the personnel ............................................................ 6
2.2 Designated use ........................................................................ 6
2.3 Operational safety ......................................................................6
3 Incoming acceptance and product identification ................................... 7
3.1 Incoming acceptance .................................................................... 7
3.2 Product identification ................................................................... 8
3.3 Scope of delivery ...................................................................... 10
3.4 Certificates and approvals ............................................................... 10
3.5 Transport and storage .................................................................. 10
4 Installation ...................................................................... 11
4.1 Installation conditions .................................................................. 11
4.2 Installation .......................................................................... 13
4.3 Post-installation check ................................................................. 17
5 Electrical connection ............................................................ 18
5.1 Connection conditions .................................................................. 18
5.2 Quick wiring guide .................................................................... 19
5.3 Connecting the sensor cables ............................................................. 20
5.4 Connecting the transmitter .............................................................. 21
5.5 Special connection instructions ........................................................... 23
5.6 Post-connection check ..................................................................24
6 Operation options ............................................................... 25
6.1 Overview of operation options ............................................................ 25
6.2 Transmitter configuration ............................................................... 28
6.3 Access to the operating menu via the SmartBlue app ........................................... 28
7 Commissioning .................................................................. 29
7.1 Post-installation check ................................................................. 29
7.2 Switching on the transmitter ............................................................. 30
1 About this document
1.1 Safety Instructions (XA)
When using in hazardous areas, compliance with national regulations is mandatory. Separate
Ex-specific documentation is provided for measuring systems that are used in hazardous
areas. This documentation is an integral part of these Operating Instructions. The installation
specifications, connection data and safety instructions it contains must be strictly observed!
Make sure that you use the right Ex-specific documentation for the right device with approval
for use in hazardous areas! The number of the specific Ex documentation (XA...) is provided

About this document iTEMP TMT71, TMT72
4 Endress+Hauser
on the nameplate. If the two numbers (on the Ex documentation and the nameplate) are
identical, then you may use this Ex-specific documentation.
1.2 Symbols used
1.2.1 Safety symbols
Symbol Meaning
DANGER
DANGER!
This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in
serious or fatal injury.
WARNING
WARNING!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
serious or fatal injury.
CAUTION
CAUTION!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
minor or medium injury.
NOTICE
NOTE!
This symbol contains information on procedures and other facts which do not result in
personal injury.
1.2.2 Electrical symbols
Symbol Meaning Symbol Meaning
Direct current Alternating current
Direct current and alternating current Ground connection
A grounded terminal which, as far as
the operator is concerned, is grounded
via a grounding system.
Symbol Meaning
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.

iTEMP TMT71, TMT72 About this document
Endress+Hauser 5
1.2.3 Symbols for certain types of information
Symbol Meaning 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.
Tip
Indicates additional information.
Reference to documentation.
A
Reference to page.
Reference to graphic.
1.
,
2.
,
3.
… Series of steps.
Result of a step. Visual inspection.
1.2.4 Symbols in graphics
Symbol Meaning Symbol Meaning
1, 2, 3,... Item numbers
1.
,
2.
,
3.
… Series of steps
A, B, C, ... Views A-A, B-B, C-C, ... Sections
-
Hazardous area
.
Safe area (non-hazardous area)
1.3 Tool symbols
Symbol Meaning
A0011219
Phillips head screwdriver
1.4 Registered trademarks
HART®
Registered trademark of the HART® FieldComm Group

Basic safety instructions iTEMP TMT71, TMT72
6 Endress+Hauser
2 Basic safety instructions
2.1 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
‣Are authorized by the plant owner/operator
‣Are familiar with federal/national regulations
‣Before beginning work, the specialist staff must have read and understood the instructions
in the Operating Instructions and supplementary documentation as well as in the
certificates (depending on the application)
‣Following instructions and basic conditions
The operating personnel must fulfill the following requirements:
‣Being instructed and authorized according to the requirements of the task by the facility's
owner-operator
‣Following the instructions in these Operating Instructions
2.2 Designated use
The device is a universal and user-configurable temperature transmitter with one sensor input
for a resistance thermometer (RTD), thermocouples (TC), resistance and voltage transmitters.
The head transmitter version of the device is intended for mounting in a terminal head (flat
face) as per DIN EN 50446. It is also possible to mount the device on a DIN rail using the
optional DIN rail clip. The device is also optionally available in a version suitable for DIN rail
mounting as per IEC 60715 (TH35).
If the equipment is used in a manner not specified by the manufacturer, the protection
provided by the equipment may be impaired.
The manufacturer is not liable for damage caused by improper or non-designated use.
2.3 Operational safety
‣Operate the device in proper technical condition and fail-safe condition only.
‣The operator is responsible for interference-free operation of the device.
Hazardous area
To eliminate a danger for persons or for the facility when the device is used in the hazardous
area (e.g. explosion protection or safety equipment):
‣Based on the technical data on the nameplate, check whether the ordered device is
permitted for the intended use in the hazardous area. The nameplate can be found on the
side of the transmitter housing.
‣Observe the specifications in the separate supplementary documentation that is an integral
part of these Instructions.

iTEMP TMT71, TMT72 Incoming acceptance and product identification
Endress+Hauser 7
Electromagnetic compatibility
The measuring system complies with the general safety requirements as per EN 61010-1, the
EMC requirements as per the IEC/EN 61326 series and the NAMUR recommendations NE 21.
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, chapter 9.4 and requirements of table 18.
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. Is the delivery complete or is anything missing? Check the scope of delivery against your
order.
3.
DELIVERY NOTE
A0037102
Does the nameplate match the ordering information on the delivery note?

Incoming acceptance and product identification iTEMP TMT71, TMT72
8 Endress+Hauser
4.
TMT72
A0024858
Are the technical documentation and all other necessary documents provided? If
applicable: are the Safety Instructions (e.g. XA) for hazardous areas provided?
If one of these conditions is not satisfied, contact your Endress+Hauser Sales Center.
3.2 Product identification
The following options are available for identification of the device:
• Nameplate specifications
• Extended order code with breakdown of the device features on the delivery note
• Enter the serial number from the nameplate in the W@M Device Viewer
(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.
3.2.1 Nameplate
The right device?
Compare and check the data on the nameplate of the device against the requirements of the
measuring point:

iTEMP TMT71, TMT72 Incoming acceptance and product identification
Endress+Hauser 9
3
11-42V 012345678910
xx.yy.zz
TMT82- XXXXX/XX
iTEMP
Made in Germany 201x
D-87484 Nesselwang
Ser.no.:
FW:
Input:
12345678ABCDEFGH
12345678ABCDEFGH
Dev.Rev: x
Ext. ord. cd.:
XXXXXXXXXXXXX#
12
4
5
6
7
A0014561
 1 Nameplate of the head transmitter (example, Ex version)
1 Power supply, current consumption and radio approval (Bluetooth)
2 Serial number, device revision, firmware version and hardware version
3 Data Matrix 2D code
4 2 lines for the TAG name and extended order code
5 Approval in hazardous area with number of the relevant Ex documentation (XA...)
6 Approvals with symbols
7 Order code and manufacturer ID
6
0044
iTEMP®TMT82
Made in Germany 2012 D-87484 Nesselwang
TAGXXXXXXXXXXX
TAGXXXXXXXXXXX
Order code: TMT82-xxx/xx
Ext. ord. cd.: XXXXXXXXXXX
Ser. no.: XXXXXXXXX
Input: 12-42 V
Current cunsum.: 23,0 mA
1
EH 08.001X
II3G Ex nA II T6/T5/T4 Ta= -40 ...+ 55/70/85°C
II3G Ex nL IIC T6/T5/T4 Ta= -40 ... +55/70/85°C
Install per XA0xxxxT/09/a3/xx.xx
7
1
2
3
4
5
7
8
A0017924
 2 Nameplate of DIN rail transmitter (example, Ex version)
1 Product name and manufacturer ID
2 Order code, extended order code and serial number, Data Matrix 2D code, FCC-ID (if applicable)
3 Power supply and current consumption, output
4 Approval in hazardous area with number of the relevant Ex documentation (XA...)
5 Fieldbus communication logo
6 Firmware version and device revision
7 Approval logos
8 2 lines for the TAG name

Incoming acceptance and product identification iTEMP TMT71, TMT72
10 Endress+Hauser
3.2.2 Name and address of manufacturer
Name of manufacturer: Endress+Hauser Wetzer GmbH + Co. KG
Address of manufacturer: Obere Wank 1, D-87484 Nesselwang oder www.endress.com
Address of manufacturing plant: See nameplate
3.3 Scope of delivery
The scope of delivery of the device comprises:
• Temperature transmitter
• Mounting material (head transmitter), optional
• Hard copy of multi-language Brief Operating Instructions
•Additional documentation for devices which are suitable for use in the hazardous area (0
1), such as Safety Instructions (XA...), Control or Installation Drawings (ZD...).
3.4 Certificates and approvals
The device left the factory in a safe operating condition. The device complies with the
requirements of the standards EN 61 010-1 "Safety Requirements for Electrical Equipment for
Measurement, Control, and Laboratory Use" and with the EMC requirements as per the
IEC/EN 61326 series.
3.4.1 CE/EAC mark, declaration of conformity
The device meets the legal requirements of the EU/EEU guidelines. The manufacturer
confirms that the device is compliant with the relevant guidelines by applying the CE/EAC
mark.
3.4.2 HART® protocol certification
The iTEMP TMT72 temperature transmitter is registered by the HART® FieldComm Group.
The device meets the requirements of the HART® Communication Protocol Specifications.
3.5 Transport and storage
Carefully remove all the packaging material and protective covers that are part of the
transported package.
Storage temperature
• Head transmitter: –50 to +100 °C (–58 to +212 °F)
• DIN rail device: –50 to +100 °C (–58 to +212 °F)

iTEMP TMT71, TMT72 Installation
Endress+Hauser 11
4 Installation
4.1 Installation conditions
4.1.1 Dimensions
24.1 (0.95)
33 (1.3)
!44 (1.73)
!7 (0.28)
!5 (0.2)
B
C
A
A0036303
 3 Head transmitter version with screw terminals. Dimensions in mm (in)
A Spring travel L ≥ 5 mm (not for US - M4 securing screws)
B Mounting elements for attachable measured value display
C Interface for contacting measured value display
The same dimensions apply to the version with push-in terminals. Exception: housing
height H = 30 mm (1.18 in).

Installation iTEMP TMT71, TMT72
12 Endress+Hauser
100 (3.94)
12.5 (0.49)
H
116 (4.57)
A0039296
H The height of housing H varies depending on the terminal version: screw terminals =
114 mm (4.49 in), push-in terminals = 111.5 mm (4.39 in)
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)
• In the field housing, separated from the process
• With DIN rail clip on DIN rail as per IEC 60715, TH35
• DIN rail transmitter:
In DIN rail housing on DIN rail as per IEC 60715, TH35
NOTICE
When using DIN rail transmitters with a thermocouple/mV measurement, increased
measurement deviations may occur depending on the installation situation and ambient
conditions.
‣If the DIN rail transmitter is mounted on the DIN rail without any adjacent devices, this
may result in deviations of up to ± 1.34 °C. If the DIN rail transmitter is mounted in series
between other DIN rail devices (reference operating conditions: 24 V, 12 mA), deviations
of up to + 2.94 °C may occur.

iTEMP TMT71, TMT72 Installation
Endress+Hauser 13
4.1.3 Important ambient conditions
• Ambient temperature: –40 to +85 °C (–40 to 185 °F), .
• Head transmitter in accordance with climate class C1, DIN rail transmitter in accordance
with B2 as per EN 60654-1
• Condensation as per IEC 60068-2-33 permitted for head transmitter, not permitted for DIN
rail transmitter
• Max. rel. humidity: 95% as per IEC 60068-2-30
• Degree of protection:
• Head transmitter with screw terminals: IP 00, with push-in terminals: IP 30. In installed
state, depends on the terminal head or field housing used.
• When installing in field housing TA30x: IP 66/68 (NEMA Type 4x encl.)
• DIN rail device: IP 20
4.2 Installation
A Phillips head screwdriver is required to mount the head transmitter.
• Maximum torque for securing screws = 1 Nm (¾ foot-pound), screwdriver: Pozidriv Z2
• Maximum torque for screw terminals = 0.35 Nm (¼ foot-pound), screwdriver: Pozidriv Z1

Installation iTEMP TMT71, TMT72
14 Endress+Hauser
4.2.1 Mounting the head transmitter
1
2
3
4
5
6
7
9
8
1 2 3 4 5 1234
120 mm
(4.72 in)
120 mm
(4.72 in)
Item A Item B
Item C
A0039675-EN
 4 Head transmitter mounting (three versions)
Procedure for mounting in a terminal head, Fig. A:
1. Open the terminal head cover (8) on the terminal head.
2. Guide the connection wires (4) of the insert (3) through the center hole in the head
transmitter (5).
3. Fit the mounting springs (6) on the mounting screws (7).
4. Guide the mounting screws (7) through the side boreholes of the head transmitter and
the insert (3). Then fix both mounting screws with the snap rings (2).
5. Then tighten the head transmitter (5) along with the insert (3) in the terminal head.
6. After wiring→  18, close the terminal head cover (8) tightly again.

iTEMP TMT71, TMT72 Installation
Endress+Hauser 15
120 mm
(4.72 in)
140 mm
(5.51 in)
21 mm
(0.83 in)
!6.5 mm
(0.25 in)
A0024604
 5 Dimensions of angle bracket for wall mount (complete wall mounting set available as accessory)
Procedure for mounting in a field housing, Fig. B:
1. Open the cover (1) of the field housing (4).
2. Guide the mounting screws (2) through the lateral bores in the head transmitter (3).
3. Screw the head transmitter to the field housing.
4. After wiring, close the field housing cover (1) →  18again.
Procedure for mounting on a DIN rail, Fig. C:
1. Press the DIN rail clip (4) onto the DIN rail (5) until it engages with a click.
2. Fit the mounting springs on the mounting screws (1) and guide the screws through the
side boreholes of the head transmitter (2). Then fix both mounting screws with the snap
rings (3).
3. Screw the head transmitter (2) onto the DIN rail clip (4).

Installation iTEMP TMT71, TMT72
16 Endress+Hauser
Mounting typical of North America
12 3 4 5
6
5
6
A0008520
 6 Head transmitter mounting
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. Fit the necessary neck tube nipples and adapter (3) on the thermowell.
3. Make sure sealing rings are installed if such rings are needed for harsh environmental
conditions or special regulations.
4. Guide the mounting screws (6) through the lateral bores of the head transmitter (5).
5. Position the head transmitter (5) in the terminal head (4) in such a way that the bus
cable (terminals 1 and 2) point to the cable entry.
6. Using a screwdriver, screw down the head transmitter (5) in the terminal head (4).
7. Guide the connection wires of the insert (3) through the lower cable entry of the
terminal head (4) and through the middle hole in the head transmitter (5). Wire the
connection wires up to the transmitter →  19.
8. Screw the terminal head (4), with the integrated and wired head transmitter, onto the
ready-mounted nipple and adapter (3).
NOTICE
The terminal head cover must be secured properly to meet the requirements for
explosion protection.
‣After wiring, securely screw the terminal head cover back on.

iTEMP TMT71, TMT72 Installation
Endress+Hauser 17
4.2.2 Mounting the DIN rail transmitter
NOTICE
Wrong orientation
Measurement deviates from the maximum accuracy rating when a thermocouple is connected
and the internal reference junction is used.
‣Mount the device vertically and ensure it is oriented correctly!
1.
2.
3.
A0039678
 7 Mounting the DIN rail transmitter
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.
3. Pull gently on the device to check if it is correctly mounted on the DIN rail.
If it doesn't move, the DIN rail transmitter is correctly mounted.
4.3 Post-installation check
After installing the device, always run the following final checks:
Device condition and specifications Notes
Is the device undamaged (visual inspection)? -
Do the ambient conditions match the device specification (e.g. ambient temperature,
measuring range, etc.)?
→  13

Electrical connection iTEMP TMT71, TMT72
18 Endress+Hauser
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
A Phillips head screwdriver is required to wire the head transmitter with screw terminals. Use
a flat blade screwdriver for the DIN rail housing version with screw terminals. The push-in
terminal version can be wired without any tools.
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. Feed the cables through the opening in the cable gland.
3. Connect the cables as shown in →  19. If the head transmitter is fitted with push-in
terminals, pay particular attention to the information in the "Connecting to push-in
terminals" section". →  20
4. Tighten the cable gland again and close the housing cover.
In order to avoid connection errors always follow the instructions in the post-connection check
section before commissioning!

iTEMP TMT71, TMT72 Electrical connection
Endress+Hauser 19
5.2 Quick wiring guide
6
5
4
3
1+
2-
6
5
4
3
Sensor input
Supply
voltage/
bus connection
Display connection/
CDI interface
TC, mV
RTD, Ω 4-, 3- and 2-wire:
white
white
red
red
A0038010-EN
 8 Terminal assignment of head transmitter
-
+
5
6
4
3
1
2
12
4
356
Sensor input
Supply voltage
4...20 mA
RTD, Ω 4-, 3- and 2-wire:
white
white
red
red
TC, mV
A0039318-EN
 9 Assignment of terminal connections for DIN rail transmitter
A minimum load of 250 Ω is required in the signal circuit in order to operate the HART®
transmitter via the HART® protocol (terminals 1 and 2).
In the event of a thermocouple (TC) measurement, a 2-wire RTD can be connected to measure
the reference junction temperature. This is connected to terminals 4 and 6.

Electrical connection iTEMP TMT71, TMT72
20 Endress+Hauser
NOTICE
‣ESD - electrostatic discharge. Protect the terminals from electrostatic discharge. Failure
to observe this may result in the destruction or malfunction of parts of the electronics.
5.3 Connecting the sensor cables
5.3.1 Connecting to push-in terminals
2.
3.
4.
5.
1.
2.
3.
AB
C
A0039468
 10 Push-in terminal connection, using the example of a head transmitter
Fig. A, solid wire:
1. Strip wire end. Min. stripping length 10 mm (0.39 in).
2. Insert the wire end into the terminal.
3. Pull the wire gently to ensure it is connected correctly. Repeat from step 1 if necessary.
Fig. B, fine-strand wire without ferrule:
1. Strip wire end. Min. stripping length 10 mm (0.39 in).
2. Press down on the lever opener.
3. Insert the wire end into the terminal.
4. Release lever opener.
5. Pull the wire gently to ensure it is connected correctly. Repeat from step 1 if necessary.