Endress+Hauser tmt142 Technical specifications

Temperature Field Transmitter
iTEMP®HART®TMT142
Brief operating instructions
KA222R/24/ae/10.05
71007358
Device software 01.03.01
Measuring System
The TMT142 is a two-wire transmitter with an analog output, a measuring input for
RTD 2-wire, 3-wire or 4-wire connection, thermocouples and voltage transmitters.
The LC display shows the current measured value digitally and as a bar graph with an
indicator for limit value violation. It can be operated via the HART®protocol using a
handheld terminal (DXR375) or PC (FieldCare or ReadWin®2000 operating software).
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Important Notice
This manual is a brief operating manual.
For detailled information read the operating manual (BA191r/24/ae) and other special
documentation on the enclosed CD-ROM.
Electrical shock could cause death or serious injury.
• Use extreme caution when making contact with the leads and terminals.
If the sensor is installed in a high voltage environment and a fault or installation error
occurs, high voltage may be present on the transmitter leads and terminals.
Safe and secure operation of the field transmitter can only be guaranteed if the operating
instructions on the enclosed CD-ROM and all included safety notes are read, understood
and followed.
Correct use
• The unit is a universal, presettable temperature field transmitter for resistance
temperature detectors (RTD), thermocouple (TC) as well as resistance and voltage
sensors. The unit is constructed for mounting in field applications.
• The manufacturer cannot be held responsible for damage caused by misuse of the unit.
• Separate Ex documentation is part of this manual, for measurement systems in
hazardous areas. The installation conditions and connection values indicated in
these instructions must be followed!
Installation, commissioning and operation
Installation, wiring and maintenance of the unit must only be done by trained, skilled
personnel who are authorized to do so by the plant operator. This skilled staff must have
read and understood these instructions and must follow them to the letter. The plant
operator must make sure that the measurement system has been correctly wired to the
connection schematics.
Make sure the instruments in the loop are installed in accordance with intrinsically safe
or non-incendive field wiring practices before connecting a HART®communicator in an
explosive atmosphere.
The transmitter electronics module is permanently sealed within the housing, resisting
moisture and corrosive damage. Verify that the operating atmosphere of the transmitter is
consistent with the appropriate hazardous locations certifications.
#Warning!
Do not disconnect equipment unless power has been switched off or the area is not
hazardous.
Hazardous areas
When installing the unit in a hazardous area, the national safety requirements must
be met. Make sure that all personnel are trained in these areas. Strict compliance with
installation instructions and ratings as stated in this documentation is mandatory.
#Warning!
The unit must be powered by a 11 to 40 V DC power supply with a limited power
according to NEC Class 02 (low voltage, low current) limited to 8 A and 150 VA in case
of a short circuit.
Returns
Please follow the Return Authorization Policy which is attached with this manual.
Safety pictograms and symbols
!Note!
Notes draw attention to activities or procedures that can have a direct influence on
operation or trigger an unforeseen device reaction if they are not carried out properly.
-Caution!
Cautions draw attention to activities or procedures that can lead to persons being injured
or to incorrect device operation if they are not carried out properly.
#Warning!
Warnings draw attention to activities or procedures that can lead to persons being
seriously injured, to safety risks or to the destruction of the device if they are not carried
out properly.
Though the information provided herein is believed to be accurate, be advised that the information contained herein is NOT a guarantee
of satisfactory results. Specifically, this information is neither a warranty nor guarantee, expressed or implied, regarding performance;
merchantability, fitness, or other matter with respect to the products; and recommendation for the use of the product/process information in
conflict with any patent. Please note that Endress+Hauser reserves the right to change and/or improve the product design and specifications
without notice.
HART®function matrix
Documentation
TMT 142 HART temperature field transmitter BA191r24ae find on CD-ROM
All Temperature Operating Instructions are available on CD–ROM, find enclosed or order
by order number: SONDTT-AG.
ReadWin®2000 may be downloaded at www.readwin2000.com.
For detailed information read the online software operating manual BA137rae, which is
also available on CD-ROM.
www.endress.com/worldwide

Temperature Field Transmitter
iTEMP®HART®TMT142
Brief operating instructions
KA222R/24/ae/10.05
71007358
Device software 01.03.01
Measuring System
The TMT142 is a two-wire transmitter with an analog output, a measuring input for
RTD 2-wire, 3-wire or 4-wire connection, thermocouples and voltage transmitters.
The LC display shows the current measured value digitally and as a bar graph with an
indicator for limit value violation. It can be operated via the HART®protocol using a
handheld terminal (DXR375) or PC (FieldCare or ReadWin®2000 operating software).
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Important Notice
This manual is a brief operating manual.
For detailled information read the operating manual (BA191r/24/ae) and other special
documentation on the enclosed CD-ROM.
Electrical shock could cause death or serious injury.
• Use extreme caution when making contact with the leads and terminals.
If the sensor is installed in a high voltage environment and a fault or installation error
occurs, high voltage may be present on the transmitter leads and terminals.
Safe and secure operation of the field transmitter can only be guaranteed if the operating
instructions on the enclosed CD-ROM and all included safety notes are read, understood
and followed.
Correct use
• The unit is a universal, presettable temperature field transmitter for resistance
temperature detectors (RTD), thermocouple (TC) as well as resistance and voltage
sensors. The unit is constructed for mounting in field applications.
• The manufacturer cannot be held responsible for damage caused by misuse of the unit.
• Separate Ex documentation is part of this manual, for measurement systems in
hazardous areas. The installation conditions and connection values indicated in
these instructions must be followed!
Installation, commissioning and operation
Installation, wiring and maintenance of the unit must only be done by trained, skilled
personnel who are authorized to do so by the plant operator. This skilled staff must have
read and understood these instructions and must follow them to the letter. The plant
operator must make sure that the measurement system has been correctly wired to the
connection schematics.
Make sure the instruments in the loop are installed in accordance with intrinsically safe
or non-incendive field wiring practices before connecting a HART®communicator in an
explosive atmosphere.
The transmitter electronics module is permanently sealed within the housing, resisting
moisture and corrosive damage. Verify that the operating atmosphere of the transmitter is
consistent with the appropriate hazardous locations certifications.
#Warning!
Do not disconnect equipment unless power has been switched off or the area is not
hazardous.
Hazardous areas
When installing the unit in a hazardous area, the national safety requirements must
be met. Make sure that all personnel are trained in these areas. Strict compliance with
installation instructions and ratings as stated in this documentation is mandatory.
#Warning!
The unit must be powered by a 11 to 40 V DC power supply with a limited power
according to NEC Class 02 (low voltage, low current) limited to 8 A and 150 VA in case
of a short circuit.
Returns
Please follow the Return Authorization Policy which is attached with this manual.
Safety pictograms and symbols
!Note!
Notes draw attention to activities or procedures that can have a direct influence on
operation or trigger an unforeseen device reaction if they are not carried out properly.
-Caution!
Cautions draw attention to activities or procedures that can lead to persons being injured
or to incorrect device operation if they are not carried out properly.
#Warning!
Warnings draw attention to activities or procedures that can lead to persons being
seriously injured, to safety risks or to the destruction of the device if they are not carried
out properly.
Though the information provided herein is believed to be accurate, be advised that the information contained herein is NOT a guarantee
of satisfactory results. Specifically, this information is neither a warranty nor guarantee, expressed or implied, regarding performance;
merchantability, fitness, or other matter with respect to the products; and recommendation for the use of the product/process information in
conflict with any patent. Please note that Endress+Hauser reserves the right to change and/or improve the product design and specifications
without notice.
HART®function matrix
Documentation
TMT 142 HART temperature field transmitter BA191r24ae find on CD-ROM
All Temperature Operating Instructions are available on CD–ROM, find enclosed or order
by order number: SONDTT-AG.
ReadWin®2000 may be downloaded at www.readwin2000.com.
For detailed information read the online software operating manual BA137rae, which is
also available on CD-ROM.
www.endress.com/worldwide

Temperature Field Transmitter
iTEMP®HART®TMT142
Brief operating instructions
KA222R/24/ae/10.05
71007358
Device software 01.03.01
Measuring System
The TMT142 is a two-wire transmitter with an analog output, a measuring input for
RTD 2-wire, 3-wire or 4-wire connection, thermocouples and voltage transmitters.
The LC display shows the current measured value digitally and as a bar graph with an
indicator for limit value violation. It can be operated via the HART®protocol using a
handheld terminal (DXR375) or PC (FieldCare or ReadWin®2000 operating software).
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).$$
Important Notice
This manual is a brief operating manual.
For detailled information read the operating manual (BA191r/24/ae) and other special
documentation on the enclosed CD-ROM.
Electrical shock could cause death or serious injury.
• Use extreme caution when making contact with the leads and terminals.
If the sensor is installed in a high voltage environment and a fault or installation error
occurs, high voltage may be present on the transmitter leads and terminals.
Safe and secure operation of the field transmitter can only be guaranteed if the operating
instructions on the enclosed CD-ROM and all included safety notes are read, understood
and followed.
Correct use
• The unit is a universal, presettable temperature field transmitter for resistance
temperature detectors (RTD), thermocouple (TC) as well as resistance and voltage
sensors. The unit is constructed for mounting in field applications.
• The manufacturer cannot be held responsible for damage caused by misuse of the unit.
• Separate Ex documentation is part of this manual, for measurement systems in
hazardous areas. The installation conditions and connection values indicated in
these instructions must be followed!
Installation, commissioning and operation
Installation, wiring and maintenance of the unit must only be done by trained, skilled
personnel who are authorized to do so by the plant operator. This skilled staff must have
read and understood these instructions and must follow them to the letter. The plant
operator must make sure that the measurement system has been correctly wired to the
connection schematics.
Make sure the instruments in the loop are installed in accordance with intrinsically safe
or non-incendive field wiring practices before connecting a HART®communicator in an
explosive atmosphere.
The transmitter electronics module is permanently sealed within the housing, resisting
moisture and corrosive damage. Verify that the operating atmosphere of the transmitter is
consistent with the appropriate hazardous locations certifications.
#Warning!
Do not disconnect equipment unless power has been switched off or the area is not
hazardous.
Hazardous areas
When installing the unit in a hazardous area, the national safety requirements must
be met. Make sure that all personnel are trained in these areas. Strict compliance with
installation instructions and ratings as stated in this documentation is mandatory.
#Warning!
The unit must be powered by a 11 to 40 V DC power supply with a limited power
according to NEC Class 02 (low voltage, low current) limited to 8 A and 150 VA in case
of a short circuit.
Returns
Please follow the Return Authorization Policy which is attached with this manual.
Safety pictograms and symbols
!Note!
Notes draw attention to activities or procedures that can have a direct influence on
operation or trigger an unforeseen device reaction if they are not carried out properly.
-Caution!
Cautions draw attention to activities or procedures that can lead to persons being injured
or to incorrect device operation if they are not carried out properly.
#Warning!
Warnings draw attention to activities or procedures that can lead to persons being
seriously injured, to safety risks or to the destruction of the device if they are not carried
out properly.
Though the information provided herein is believed to be accurate, be advised that the information contained herein is NOT a guarantee
of satisfactory results. Specifically, this information is neither a warranty nor guarantee, expressed or implied, regarding performance;
merchantability, fitness, or other matter with respect to the products; and recommendation for the use of the product/process information in
conflict with any patent. Please note that Endress+Hauser reserves the right to change and/or improve the product design and specifications
without notice.
HART®function matrix
Documentation
TMT 142 HART temperature field transmitter BA191r24ae find on CD-ROM
All Temperature Operating Instructions are available on CD–ROM, find enclosed or order
by order number: SONDTT-AG.
ReadWin®2000 may be downloaded at www.readwin2000.com.
For detailed information read the online software operating manual BA137rae, which is
also available on CD-ROM.
www.endress.com/worldwide

Commissioning and display indication
Once the power supply has been connected, the field transmitter is operational. The
transmitter shows the start display. Then it starts to display the measured values.
Pos. Function
1 Bargraph display
2 Display ‘Warning’
3 Engineering unit display K, °F,
°C or %
4 Measured value display
5 Status and info display
6 Display ‘communication’
7 Display ‘configuration locked’
Configuration
Programming available via HART®handheld or PC using a HART Modem, e. g.
Commubox FXA191 and ReadWin®2000 software.
For the handheld configuration
proceed as follows:
1. Switch on the handheld module:
Measuring device has to be already
connected. The 1st menu level of
the device function matrix appears
directly (see Fig. left side). All the
functions accessible under HART®
are systematically arranged in this
matrix.
2. Select the function group (e.g.
Sensor) and then the desired
function, e.g. “Sensor type”.
3. Enter type or change the setting. Then confirm with “ENTER” on the touchscreen.
4. Pressing “SEND” on the touchscreen transfers all the values entered with the handheld
module to the device measuring system.
5. With “HOME” on the touchscreen, you return to the 1st menu level.
!Note!
Detailed information can be found in the HART®instruction manual that can be found in
the handheld module transport pouch. If your HART® handheld requires an update please
contact the Endress+Hauser, Inc. service department.
Electrical connection-wiring diagram
-Caution!
Switch off power supply before installing or connecting the transmitter. Failure to observe
this may result in destruction of parts of the electronics. If the unit has not been grounded
as a result of the housing being installed, grounding it via one of the ground screws is
recommended.
Terminal layout
!Note!
Leads to max. 12 AWG (2.5 mm²) plus ferrule for terminals
Proceed as follows:
1. Depending on the way of installation, open conduit entry (sensor installation) or the
NPT fittings (remote installation) of the transmitter.
2. Feed the leads through the opening (Pos. C) into the terminal side of the transmitter.
3. Open cover clamp (Pos. A), housing cover, display and the electronic unit by opening
the 2 screws (Pos. B).
4. Connect leads as shown in the terminal layout.
5. Ensure the terminal screws are tight. Close the electronic unit (screws!),
display and housing cover (Pos. B) and attach the cover clamp (Pos. A).
6. Attach and tighten conduit entry or NPT fittings.
Installation
Dimensions
Installation directly to the sensor
If the sensor is fixed the unit can be fitted directly to the sensor.
Proceed as follows:
1. Install and tighten thermowell (Pos. 1). Screw the measuring inset (Pos. 2) into
the thermowell.
2. Attach necessary extension nipples and adapters (Pos. 3) to the thermowell.
Seal the nipple and adapter threads with silicone tape.
3. Pull sensor leads (Pos. 4) through the extensions and adapters into the terminal side
of the transmitter housing.
4. Install field wiring conduit (Pos. 6) to the remaining transmitter conduit entry.
5. Pull field wiring leads (Pos. 5) into the terminal side of the transmitter housing.
6. Attach and tighten both transmitter covers. Both transmitter covers must be fully
engaged to meet explosion-proof requirements.
Remote installation using a pipe mounting kit (dimensions in mm/inches)
Direct wall mounting:
• Drill 2 holes.
• Attach the device to the wall with 2 screws (M6).
Installation with pipe mounting kit:
• Attache the mounting bracket to the pipe.
• The additional mounting plate must be used for pipes with a diameter of 1.5 “ to 2.2”.
• Fix the device to the mounting bracket with the two screws supplied.
The mounting plate is not needed for pipes with a diameter of 2.2“ - 3.3“.
Degree of protection
The device conforms to the requirements to IP67 (NEMA 4X) ingress protection. In order
to fulfil an IP67 (NEMA 4X) degree of protection after installation or service, the following
points must be taken into consideration:
• The housing seals must be clean and undamaged before installation.
• All housing screws and covers must be tightened (see figure below).
• Conduit entries not used are to be blanked off using the blanking plates provided.
• Loop the conduit lines before placing into the conduit entry (see figure below).
-Caution!
Protect the terminals from electrostatic discharge. Failure to observe this may result in
destruction of parts of the electronics.
°C
°F %
K
10
0
20
30
40 50 60
70
80
90
100
!
Ê
Ë
Ì
Í
Î
Ï
Ð

Commissioning and display indication
Once the power supply has been connected, the field transmitter is operational. The
transmitter shows the start display. Then it starts to display the measured values.
Pos. Function
1 Bargraph display
2 Display ‘Warning’
3 Engineering unit display K, °F,
°C or %
4 Measured value display
5 Status and info display
6 Display ‘communication’
7 Display ‘configuration locked’
Configuration
Programming available via HART®handheld or PC using a HART Modem, e. g.
Commubox FXA191 and ReadWin®2000 software.
For the handheld configuration
proceed as follows:
1. Switch on the handheld module:
Measuring device has to be already
connected. The 1st menu level of
the device function matrix appears
directly (see Fig. left side). All the
functions accessible under HART®
are systematically arranged in this
matrix.
2. Select the function group (e.g.
Sensor) and then the desired
function, e.g. “Sensor type”.
3. Enter type or change the setting. Then confirm with “ENTER” on the touchscreen.
4. Pressing “SEND” on the touchscreen transfers all the values entered with the handheld
module to the device measuring system.
5. With “HOME” on the touchscreen, you return to the 1st menu level.
!Note!
Detailed information can be found in the HART®instruction manual that can be found in
the handheld module transport pouch. If your HART® handheld requires an update please
contact the Endress+Hauser, Inc. service department.
Electrical connection-wiring diagram
-Caution!
Switch off power supply before installing or connecting the transmitter. Failure to observe
this may result in destruction of parts of the electronics. If the unit has not been grounded
as a result of the housing being installed, grounding it via one of the ground screws is
recommended.
Terminal layout
!Note!
Leads to max. 12 AWG (2.5 mm²) plus ferrule for terminals
Proceed as follows:
1. Depending on the way of installation, open conduit entry (sensor installation) or the
NPT fittings (remote installation) of the transmitter.
2. Feed the leads through the opening (Pos. C) into the terminal side of the transmitter.
3. Open cover clamp (Pos. A), housing cover, display and the electronic unit by opening
the 2 screws (Pos. B).
4. Connect leads as shown in the terminal layout.
5. Ensure the terminal screws are tight. Close the electronic unit (screws!),
display and housing cover (Pos. B) and attach the cover clamp (Pos. A).
6. Attach and tighten conduit entry or NPT fittings.
Installation
Dimensions
Installation directly to the sensor
If the sensor is fixed the unit can be fitted directly to the sensor.
Proceed as follows:
1. Install and tighten thermowell (Pos. 1). Screw the measuring inset (Pos. 2) into
the thermowell.
2. Attach necessary extension nipples and adapters (Pos. 3) to the thermowell.
Seal the nipple and adapter threads with silicone tape.
3. Pull sensor leads (Pos. 4) through the extensions and adapters into the terminal side
of the transmitter housing.
4. Install field wiring conduit (Pos. 6) to the remaining transmitter conduit entry.
5. Pull field wiring leads (Pos. 5) into the terminal side of the transmitter housing.
6. Attach and tighten both transmitter covers. Both transmitter covers must be fully
engaged to meet explosion-proof requirements.
Remote installation using a pipe mounting kit (dimensions in mm/inches)
Direct wall mounting:
• Drill 2 holes.
• Attach the device to the wall with 2 screws (M6).
Installation with pipe mounting kit:
• Attache the mounting bracket to the pipe.
• The additional mounting plate must be used for pipes with a diameter of 1.5 “ to 2.2”.
• Fix the device to the mounting bracket with the two screws supplied.
The mounting plate is not needed for pipes with a diameter of 2.2“ - 3.3“.
Degree of protection
The device conforms to the requirements to IP67 (NEMA 4X) ingress protection. In order
to fulfil an IP67 (NEMA 4X) degree of protection after installation or service, the following
points must be taken into consideration:
• The housing seals must be clean and undamaged before installation.
• All housing screws and covers must be tightened (see figure below).
• Conduit entries not used are to be blanked off using the blanking plates provided.
• Loop the conduit lines before placing into the conduit entry (see figure below).
-Caution!
Protect the terminals from electrostatic discharge. Failure to observe this may result in
destruction of parts of the electronics.
°C
°F %
K
10
0
20
30
40 50 60
70
80
90
100
!
Ê
Ë
Ì
Í
Î
Ï
Ð

Commissioning and display indication
Once the power supply has been connected, the field transmitter is operational. The
transmitter shows the start display. Then it starts to display the measured values.
Pos. Function
1 Bargraph display
2 Display ‘Warning’
3 Engineering unit display K, °F,
°C or %
4 Measured value display
5 Status and info display
6 Display ‘communication’
7 Display ‘configuration locked’
Configuration
Programming available via HART®handheld or PC using a HART Modem, e. g.
Commubox FXA191 and ReadWin®2000 software.
For the handheld configuration
proceed as follows:
1. Switch on the handheld module:
Measuring device has to be already
connected. The 1st menu level of
the device function matrix appears
directly (see Fig. left side). All the
functions accessible under HART®
are systematically arranged in this
matrix.
2. Select the function group (e.g.
Sensor) and then the desired
function, e.g. “Sensor type”.
3. Enter type or change the setting. Then confirm with “ENTER” on the touchscreen.
4. Pressing “SEND” on the touchscreen transfers all the values entered with the handheld
module to the device measuring system.
5. With “HOME” on the touchscreen, you return to the 1st menu level.
!Note!
Detailed information can be found in the HART®instruction manual that can be found in
the handheld module transport pouch. If your HART® handheld requires an update please
contact the Endress+Hauser, Inc. service department.
Electrical connection-wiring diagram
-Caution!
Switch off power supply before installing or connecting the transmitter. Failure to observe
this may result in destruction of parts of the electronics. If the unit has not been grounded
as a result of the housing being installed, grounding it via one of the ground screws is
recommended.
Terminal layout
!Note!
Leads to max. 12 AWG (2.5 mm²) plus ferrule for terminals
Proceed as follows:
1. Depending on the way of installation, open conduit entry (sensor installation) or the
NPT fittings (remote installation) of the transmitter.
2. Feed the leads through the opening (Pos. C) into the terminal side of the transmitter.
3. Open cover clamp (Pos. A), housing cover, display and the electronic unit by opening
the 2 screws (Pos. B).
4. Connect leads as shown in the terminal layout.
5. Ensure the terminal screws are tight. Close the electronic unit (screws!),
display and housing cover (Pos. B) and attach the cover clamp (Pos. A).
6. Attach and tighten conduit entry or NPT fittings.
Installation
Dimensions
Installation directly to the sensor
If the sensor is fixed the unit can be fitted directly to the sensor.
Proceed as follows:
1. Install and tighten thermowell (Pos. 1). Screw the measuring inset (Pos. 2) into
the thermowell.
2. Attach necessary extension nipples and adapters (Pos. 3) to the thermowell.
Seal the nipple and adapter threads with silicone tape.
3. Pull sensor leads (Pos. 4) through the extensions and adapters into the terminal side
of the transmitter housing.
4. Install field wiring conduit (Pos. 6) to the remaining transmitter conduit entry.
5. Pull field wiring leads (Pos. 5) into the terminal side of the transmitter housing.
6. Attach and tighten both transmitter covers. Both transmitter covers must be fully
engaged to meet explosion-proof requirements.
Remote installation using a pipe mounting kit (dimensions in mm/inches)
Direct wall mounting:
• Drill 2 holes.
• Attach the device to the wall with 2 screws (M6).
Installation with pipe mounting kit:
• Attache the mounting bracket to the pipe.
• The additional mounting plate must be used for pipes with a diameter of 1.5 “ to 2.2”.
• Fix the device to the mounting bracket with the two screws supplied.
The mounting plate is not needed for pipes with a diameter of 2.2“ - 3.3“.
Degree of protection
The device conforms to the requirements to IP67 (NEMA 4X) ingress protection. In order
to fulfil an IP67 (NEMA 4X) degree of protection after installation or service, the following
points must be taken into consideration:
• The housing seals must be clean and undamaged before installation.
• All housing screws and covers must be tightened (see figure below).
• Conduit entries not used are to be blanked off using the blanking plates provided.
• Loop the conduit lines before placing into the conduit entry (see figure below).
-Caution!
Protect the terminals from electrostatic discharge. Failure to observe this may result in
destruction of parts of the electronics.
°C
°F %
K
10
0
20
30
40 50 60
70
80
90
100
!
Ê
Ë
Ì
Í
Î
Ï
Ð

Commissioning and display indication
Once the power supply has been connected, the field transmitter is operational. The
transmitter shows the start display. Then it starts to display the measured values.
Pos. Function
1 Bargraph display
2 Display ‘Warning’
3 Engineering unit display K, °F,
°C or %
4 Measured value display
5 Status and info display
6 Display ‘communication’
7 Display ‘configuration locked’
Configuration
Programming available via HART®handheld or PC using a HART Modem, e. g.
Commubox FXA191 and ReadWin®2000 software.
For the handheld configuration
proceed as follows:
1. Switch on the handheld module:
Measuring device has to be already
connected. The 1st menu level of
the device function matrix appears
directly (see Fig. left side). All the
functions accessible under HART®
are systematically arranged in this
matrix.
2. Select the function group (e.g.
Sensor) and then the desired
function, e.g. “Sensor type”.
3. Enter type or change the setting. Then confirm with “ENTER” on the touchscreen.
4. Pressing “SEND” on the touchscreen transfers all the values entered with the handheld
module to the device measuring system.
5. With “HOME” on the touchscreen, you return to the 1st menu level.
!Note!
Detailed information can be found in the HART®instruction manual that can be found in
the handheld module transport pouch. If your HART® handheld requires an update please
contact the Endress+Hauser, Inc. service department.
Electrical connection-wiring diagram
-Caution!
Switch off power supply before installing or connecting the transmitter. Failure to observe
this may result in destruction of parts of the electronics. If the unit has not been grounded
as a result of the housing being installed, grounding it via one of the ground screws is
recommended.
Terminal layout
!Note!
Leads to max. 12 AWG (2.5 mm²) plus ferrule for terminals
Proceed as follows:
1. Depending on the way of installation, open conduit entry (sensor installation) or the
NPT fittings (remote installation) of the transmitter.
2. Feed the leads through the opening (Pos. C) into the terminal side of the transmitter.
3. Open cover clamp (Pos. A), housing cover, display and the electronic unit by opening
the 2 screws (Pos. B).
4. Connect leads as shown in the terminal layout.
5. Ensure the terminal screws are tight. Close the electronic unit (screws!),
display and housing cover (Pos. B) and attach the cover clamp (Pos. A).
6. Attach and tighten conduit entry or NPT fittings.
Installation
Dimensions
Installation directly to the sensor
If the sensor is fixed the unit can be fitted directly to the sensor.
Proceed as follows:
1. Install and tighten thermowell (Pos. 1). Screw the measuring inset (Pos. 2) into
the thermowell.
2. Attach necessary extension nipples and adapters (Pos. 3) to the thermowell.
Seal the nipple and adapter threads with silicone tape.
3. Pull sensor leads (Pos. 4) through the extensions and adapters into the terminal side
of the transmitter housing.
4. Install field wiring conduit (Pos. 6) to the remaining transmitter conduit entry.
5. Pull field wiring leads (Pos. 5) into the terminal side of the transmitter housing.
6. Attach and tighten both transmitter covers. Both transmitter covers must be fully
engaged to meet explosion-proof requirements.
Remote installation using a pipe mounting kit (dimensions in mm/inches)
Direct wall mounting:
• Drill 2 holes.
• Attach the device to the wall with 2 screws (M6).
Installation with pipe mounting kit:
• Attache the mounting bracket to the pipe.
• The additional mounting plate must be used for pipes with a diameter of 1.5 “ to 2.2”.
• Fix the device to the mounting bracket with the two screws supplied.
The mounting plate is not needed for pipes with a diameter of 2.2“ - 3.3“.
Degree of protection
The device conforms to the requirements to IP67 (NEMA 4X) ingress protection. In order
to fulfil an IP67 (NEMA 4X) degree of protection after installation or service, the following
points must be taken into consideration:
• The housing seals must be clean and undamaged before installation.
• All housing screws and covers must be tightened (see figure below).
• Conduit entries not used are to be blanked off using the blanking plates provided.
• Loop the conduit lines before placing into the conduit entry (see figure below).
-Caution!
Protect the terminals from electrostatic discharge. Failure to observe this may result in
destruction of parts of the electronics.
°C
°F %
K
10
0
20
30
40 50 60
70
80
90
100
!
Ê
Ë
Ì
Í
Î
Ï
Ð

Temperature Field Transmitter
iTEMP®HART®TMT142
Brief operating instructions
KA222R/24/ae/10.05
71007358
Device software 01.03.01
Measuring System
The TMT142 is a two-wire transmitter with an analog output, a measuring input for
RTD 2-wire, 3-wire or 4-wire connection, thermocouples and voltage transmitters.
The LC display shows the current measured value digitally and as a bar graph with an
indicator for limit value violation. It can be operated via the HART®protocol using a
handheld terminal (DXR375) or PC (FieldCare or ReadWin®2000 operating software).
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Important Notice
This manual is a brief operating manual.
For detailled information read the operating manual (BA191r/24/ae) and other special
documentation on the enclosed CD-ROM.
Electrical shock could cause death or serious injury.
• Use extreme caution when making contact with the leads and terminals.
If the sensor is installed in a high voltage environment and a fault or installation error
occurs, high voltage may be present on the transmitter leads and terminals.
Safe and secure operation of the field transmitter can only be guaranteed if the operating
instructions on the enclosed CD-ROM and all included safety notes are read, understood
and followed.
Correct use
• The unit is a universal, presettable temperature field transmitter for resistance
temperature detectors (RTD), thermocouple (TC) as well as resistance and voltage
sensors. The unit is constructed for mounting in field applications.
• The manufacturer cannot be held responsible for damage caused by misuse of the unit.
• Separate Ex documentation is part of this manual, for measurement systems in
hazardous areas. The installation conditions and connection values indicated in
these instructions must be followed!
Installation, commissioning and operation
Installation, wiring and maintenance of the unit must only be done by trained, skilled
personnel who are authorized to do so by the plant operator. This skilled staff must have
read and understood these instructions and must follow them to the letter. The plant
operator must make sure that the measurement system has been correctly wired to the
connection schematics.
Make sure the instruments in the loop are installed in accordance with intrinsically safe
or non-incendive field wiring practices before connecting a HART®communicator in an
explosive atmosphere.
The transmitter electronics module is permanently sealed within the housing, resisting
moisture and corrosive damage. Verify that the operating atmosphere of the transmitter is
consistent with the appropriate hazardous locations certifications.
#Warning!
Do not disconnect equipment unless power has been switched off or the area is not
hazardous.
Hazardous areas
When installing the unit in a hazardous area, the national safety requirements must
be met. Make sure that all personnel are trained in these areas. Strict compliance with
installation instructions and ratings as stated in this documentation is mandatory.
#Warning!
The unit must be powered by a 11 to 40 V DC power supply with a limited power
according to NEC Class 02 (low voltage, low current) limited to 8 A and 150 VA in case
of a short circuit.
Returns
Please follow the Return Authorization Policy which is attached with this manual.
Safety pictograms and symbols
!Note!
Notes draw attention to activities or procedures that can have a direct influence on
operation or trigger an unforeseen device reaction if they are not carried out properly.
-Caution!
Cautions draw attention to activities or procedures that can lead to persons being injured
or to incorrect device operation if they are not carried out properly.
#Warning!
Warnings draw attention to activities or procedures that can lead to persons being
seriously injured, to safety risks or to the destruction of the device if they are not carried
out properly.
Though the information provided herein is believed to be accurate, be advised that the information contained herein is NOT a guarantee
of satisfactory results. Specifically, this information is neither a warranty nor guarantee, expressed or implied, regarding performance;
merchantability, fitness, or other matter with respect to the products; and recommendation for the use of the product/process information in
conflict with any patent. Please note that Endress+Hauser reserves the right to change and/or improve the product design and specifications
without notice.
HART®function matrix
Documentation
TMT 142 HART temperature field transmitter BA191r24ae find on CD-ROM
All Temperature Operating Instructions are available on CD–ROM, find enclosed or order
by order number: SONDTT-AG.
ReadWin®2000 may be downloaded at www.readwin2000.com.
For detailed information read the online software operating manual BA137rae, which is
also available on CD-ROM.
www.endress.com/worldwide