Endress+Hauser ITEMP TMT162 Handbuch

TI086R/24/ae/03.09

Technical Information

iTEMP®TMT162

Temperature field transmitter

with HART®, FOUNDATION™ Fieldbus or

PROFIBUS®PA protocol

Application

• Input: RTD, TC, Ω, mV

•Output:

– HART protocol for converting various input signals

to a scalable 4 to 20 mA analog output signal.

Operating the transmitter using handheld terminals

Field Xpert SFX100, DXR275/375 or remotely via

– FOUNDATION Fieldbus ITK 4.61

– PROFIBUS PA

• Optional: stainless steel housing for hygienic or Ex d

application

Features and benefits

• High reliability in harsh industrial environments due to

dual compartment housing and compact, fully potted

electronics

• Backlit display with large measured value, bargraph

and fault condition indication for ease of reading

• Ability to display measured values of up to 4 other

devices (FOUNDATION Fieldbus)

• Dual sensor input capability, e.g. 2 Pt100 3-wire or 1

Pt100 4-wire and thermocouple

• Reliable operation due to sensor monitoring:

breakdown information, sensor backup, drift alarm

and corrosion detection

• High measuring point accuracy due to sensor

transmitter matching: linearization with Callendar van

Dusen or polynomial equation

• Operation voltage monitoring for high measurement

reliability (HART)

• Mathematic functions for differential and average

temperature add flexibility to the measurement

• FISCO/FNICO compliant according to IEC 60079-27

• International approvals guarantee safe operation in

hazardous area: FM, CSA (IS, NI, XP and DIP) and

ATEX (Ex ia, Ex nA nL, Ex d and dust-Ex)

• Galvanic isolation 2 kV (sensor input to the output)

• Output simulation for a quick and easy loop check

1 0 â

TMT162

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Function and system design

Measuring principle Electronic monitoring, conversion and display of input signals in industrial temperature measurement.

Measuring system

T09-TMT162ZZ-14-00-xx-yy-002

Examples of applications

mTwo sensors with measuring input (RTD or TC) in remote installation with the advantages: drift alert, sensor backup

function and temperature dependent sensor switch

n1 x RTD/TC or 2 x RTD/TC as redundancy

oTemperature field transmitter in combination with a sensing element, insert and thermowell as compact thermometer

The iTEMP®temperature field transmitter TMT162 is a two-wire transmitter with analog output or fieldbus

protocol, two (optional) measuring inputs for resistance thermometers and resistance transmitters in 2-wire, 3-

wire or 4-wire connection (for one resistance measuring input), thermocouples and voltage transmitters. The

LC display shows the current measured value digitally and as a bar graph with an indicator for alarms.

Corrosion detection

Corrosion of the sensor connections can lead to corruption of the measured value. The field transmitter offers

the option of detecting corrosion on thermocouples and resistance thermometers with a 4-wire connection

before measured value corruption occurs. The transmitter avoids false measured readings and is also able to

indicate a warning on the display as well as through HART®or Fieldbus protocol when wire resistance exceeds

reasonable values.

Low voltage detection for HART®communication

The low voltage detection prevents the device from continuously outputting an incorrect analog output value

(i.e. due to damaged or incorrect power supply or due to a damaged signal cable). If the required supply voltage

is undershot, the analog output value drops < 3.6 mA for approx. 3 s. An error message appears on the display.

Afterwards the device tries to output the normal analog output value again. If the supply voltage is still too low,

the analog output value drops again to < 3.6 mA.

RTD/TC

1 x RTD/TC /

2 x RTD/TC

RTD/TC

°C

TMT162

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Optional 2-channel functions

These functions increase the reliability and availability of the process values:

• Sensor backup switches to redundant sensor if primary sensor fails

• Temperature dependent switching between sensors, which have advantages in different ranges

• Drift alert or alarm if sensor 1 and 2 deviate from one another

Equipment architecture Analog current output 4 to 20 mA with HART®-Protocol

T09-TMT162ZZ-14-00-xx-yy-003

System integration via FOUNDATION Fieldbus™

T09-TMT162ZZ-14-00-xx-en-004

TMT162 Commubox

FXA191

FieldCare,

ReadWin 2000

DXR375

HART Communication

RN221N

PLC

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Delete

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HotKey

+HotKey

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375

FIELDCOMMUNICATOR

HART Application

1 Offline

3 Utility

2->Online

°C °C

0-10bar 0- 10 bar

TMT162 TMT162

Visualization and monitoring

e. g. P View

High speed Ethernet

(HSE) 100 Mbit/s

Up to 32 devices per segment

Field controller

linking

device

ENDRESS+ HAUSER ENDRESS+ HAUSER

linking

device

linking

device

31.25 kbit/s

H1 IEC 61158-2 H1 FISCO

TMT162

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System integration via PROFIBUS®PA

a0010723-en

Input

Measured variable Temperature (temperature linear transmission behavior), resistance and voltage.

Measuring range The transmitter records different measuring ranges depending on the sensor connection and input signals.

Type of input

0-10bar 0-10bar

PROFIBUS-DP

 

PROFIBUS-PA

IEC 61158-2

31.25 kbit/s

°C

TMT162

°C

TMT162

ENDRESS+ HAUSER ENDRESS+ HAUSER

Visualization and monitoring

e. g. P View, FieldCare

and diagnostic software

Up to 32 devices per segment

PLC

segment

coupler

FISCO

segment

coupler

segment

coupler

Type of input Designation Measuring range limits Min. span

Resistance thermometer (RTD)

to IEC 60751

(α= 0.00385)

to JIS C1604-81

(α= 0.003916)

to DIN 43760

(α= 0.006180)

to Edison Copper Winding No.15

(α= 0.004274)

to Edison Curve

(α= 0.006720)

to GOST

(α= 0.003911)

to GOST

(α= 0.004278)

Pt100

Pt200

Pt500

Pt1000

Pt100

Ni100

Ni1000

Cu10

Ni120

Pt50

Pt100

Cu50, Cu100

Pt100 (Callendar - van Dusen)

Nickel polynomial (only PROFIBUS®PA)

Copper polynomial (only PROFIBUS®PA)

-200 to 850 °C (-328 to 1562 °F)

-200 to 250 °C (-328 to 482 °F)

-200 to 649 °C (-328 to 1200 °F)

-60 to 250 °C (-76 to 482 °F)

-60 to 150 °C (-76 to 302 °F)

-100 to 260 °C (-148 to 500 °F)

-70 to 270 °C (-94 to 518 °F)

-200 to 1100 °C (-328 to 2012 °F)

-200 to 850 °C (-328 to 1562 °F)

-200 to 200 °C (-328 to 392 °F)

10 to 400 Ω

10 to 2000 Ω

10 to 400 Ω

10 to 2000 Ω

10 to 400 Ω

10 to 2000 Ω

10 °C (18 °F)

10 Ω

100 Ω

10 Ω

100 Ω

10 Ω

100 Ω

• Type of connection: 2-wire, 3-wire or 4-wire connection, sensor current: ≤0.3 mA

• With 2-wire circuit, compensation of wire resistance possible (0 to 30 Ω)

• With 3-wire and 4-wire connection, sensor wire resistance to max. 50 Ωper wire

TMT162

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Output

Output signal

Resistance transmitter Resistance Ω10 to 400 Ω

10 to 2000 Ω

10 Ω

100 Ω

Thermocouples (TC)

to IEC 584 part 1

to ASTM E988

to DIN 43710

Type B (PtRh30-PtRh6)1) 2)

Type E (NiCr-CuNi)

Type J (Fe-CuNi)

Type K (NiCr-Ni)

Type N (NiCrSi-NiSi)

Type R (PtRh13-Pt)

Type S (PtRh10-Pt)

Type T (Cu-CuNi)

Type C (W5Re-W26Re)

Type D (W3Re-W25Re)

Type L (Fe-CuNi)

Type U (Cu-CuNi)

0 to +1820 °C (32 to 3308 °F)

-270 to +1000 °C (-454 to 1832 °F)

-210 to +1200 °C (-346 to 2192 °F)

-270 to +1372 °C (-454 to 2501 °F)

-270 to +1300 °C (-454 to 2372 °F)

-50 to +1768 °C (-58 to 3214 °F)

-270 to +400 °C (-454 to 752 °F)

0 to +2320 °C (32 to 4208 °F)

0 to +2495 °C (32 to 4523 °F)

-200 to +900 °C (-328 to 1652 °F)

-200 to +600 °C (-328 to 1112 °F)

500 °C (900 °F)

50 °C (90 °F)

500 °C (900 °F)

50 °C (90 °F)

500 °C (900 °F)

50 °C (90 °F)

• Internal cold junction (Pt100)

• Accuracy of cold junction: ± 1 °C (± 1.8 °F)

• Max. sensor resistance 10 kΩ(if sensor resistance is greater than 10 kΩ, error message as per NAMUR NE89)3)

Voltage transmitter (mV) Millivolt transmitter (mV) -20 to 100 mV 5 mV

1) Significant measuring error increase for temperature lower than 300 °C (572 °F).

2) When operating conditions are based on a large temperature range, the TMT162 offers the ability to split the range. For example, a Type S or R thermocouple

can be used for the low range and a Type B can be used for the upper range. The TMT162 is then programmed to switch at a predetermined temperature.

This allows for utilization of the best performance from each individual thermocouple and provides 1 output that represents the process temperature. Note:

the dual sensor option must be included in the order code for the HART®protocol. Two sensor inputs are already provided as standard if the FF and PA

protocol are selected.

3) Basic requirements NE89: detection of increased sensor resistance (e.g. corrosion of contacts or wires) of TC or RTD/4-wire.

Type of input Designation Measuring range limits Min. span

HART®

Analog output 4 to 20 mA, 20 to 4 mA

Signal encoding FSK ± 0.5 mA via current signal

Data transmission rate 1200 baud

Galvanic isolation U = 2 kV AC (input/output)

FOUNDATION Fieldbus™

Signal encoding FOUNDATION Fieldbus™ H1, IEC 61158-2, Manchester Bus Powered (MBP)

Data transmission rate 31.25 kBit/s, voltage mode

Galvanic isolation U = 2 kV AC (input/output)

PROFIBUS®PA

Signal encoding PROFIBUS®PA as per EN 50170 volume 2, IEC 61158-2, Manchester Bus

Powered (MBP)

Data transmission rate 31.25 kBit/s, voltage mode

Galvanic isolation U = 2 kV AC (input/output)

TMT162

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Breakdown information

Load (HART®)

Linearization/transmission

behavior

Temperature linear, resistance linear, voltage linear

Filter 1st order digital filter: 0 to 60 s

Current consumption

HART®

Breakdown information to NAMUR NE43:

The information is created when the measuring information is invalid or not present anymore and gives a complete listing

of all errors occurring in the measuring system.

Under ranging Standard linear drop to 3.8

Over ranging Standard linear rise to 20.5

Failure, e. g. sensor break; sensor short

circuit

To NAMUR NE43 ≤3.6 mA ("low") or ≥21 mA ("high")

can be selected1)

1) The high alarm is adjustable between 21.6 mA and 23 mA allowing for flexibility when working with the

requirements of most control systems.

FOUNDATION Fieldbus™

Status message according to specification FOUNDATION Fieldbus™.

PROFIBUS®PA

Status and alarms according to specification PROFIBUS®PA Profile 3.01

Rb max. = (Ub max. - 11 V) / 0.022 A (current output)

a0010971-en

40 V

1318

1068

250

11 V

34.5 V16.5 V

Supply voltage (V DC)

HART-

operational

region

Load ( )W

HART®

Current consumption 3.6 mA to 22 mA

Min. current consumption ≤3.5 mA

Current limit ≤23 mA

FOUNDATION Fieldbus™

Current consumption (device basic current) ≤12 mA

Switch-on current (device inrush current) ≤12 mA

Error current FDE (Fault Disconnection

Electronic)

0 mA

PROFIBUS®PA

Current consumption (device basic current) ≤11 mA

Error current FDE (Fault Disconnection

Electronic)

0 mA

TMT162

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Protocol-specific data HART®

Version 5

Device address in multi-drop mode Software setting

Write lock Write lock activated by hardware or software setting

Device description files (DD) Information and files available free of charge online at:

www.endress.com

www.hartcom.org

Load (communication resistance) Min. 250 Ω

FOUNDATION Fieldbus™

Supported functions Instantiation of function blocks. The following methods are supported:

• Quick Setup

• User sensor trim

• Factory trim settings

• Callendar Van Dusen

• Sensor Polynom

Refer to the relevant Operating Instructions for detailed descriptions.

Basic data

Manufacturer ID 452B48 (Endress+Hauser)

Device type 10CC (Hex)

Device or bus address 245 (default)

Device revision 01 (hex)

ITK version 4.61

ITK certification diver no. IT035400

Link Master functionality supported (LAS) Yes

Link Master/Basic Device selectable Yes; factory setting: Basic Device

Virtual Communication Relationship (VCRs)

Number of VCRs 44

Number of link objects in VFD 50

Permanent entries 44

Client VCRs 0

Server VCRs 5

Source VCRs 8

Sink VCRs 0

Subscriber VCRs 12

Publisher VCRs 19

Link settings

Slot time 8

Min. Inter PDU delay 12

Max. response delay 80

Blocks

Block description Execution time (macro cycle ≤500 ms) Block class

TMT162

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Resource Block

Transducer Block Sensor 1

Transducer Block Sensor 2

Transducer Block Display

Transducer Block Adv. Diag.

Function Block AI1

Function Block AI2

Function Block AI3

Function Block AI4

Function Block AI5

Function Block AI6

Function Block PID

Function Block ISEL

Permanent

Pre-instantiated

35 ms (pre-instantiated)

35 ms (not instantiated)

100 ms

35 ms

Extended

Manufacturer-specific

Extended

Standard

Short description of blocks

Resource Block The Resource Block contains all the data to uniquely identify and

characterize the device. It corresponds to an electronic nameplate for the

device. In addition to parameters required for operation of the device at the

Fieldbus, the Resource Block provides information such as order code,

device ID, hardware revision, software revision, device release etc.

Transducer Block "Sensor 1" and "Sensor 2" The field transmitter Transducer Blocks contain all the measuring and

device-specific parameters relating to the measurement of the input

variables.

Display Transducer The "Display" Transducer Block parameters enable configuration of the

display.

Advanced Diagnostic All parameters for self-monitoring and diagnostics are grouped in this

Transducer Block.

Analog Input (AI) In the AI function block, the process variables from the Transducer Blocks

are processed for the subsequent automation functions in the control

system (e.g. scaling, limit value processing).

PID This function block contains input channel processing, proportional-

integral-differential control (PID) and analog output channel processing.

Basic closed-control loops, control loops with feedforward control, cascade

control and cascade control with limiting can all be performed.

Input Selector (ISEL) The block for signal selection (Input Selector Block - ISEL) allows you to

select up to four inputs and generates an output based on the configured

action.

PROFIBUS®PA

Profile version 3.01

Supported functions Amendment 2 "Condensed status and diagnostic messages"

Amendment 2 "Identification and Maintenance Functions"

Manufacturer-specific ID.: 1549 (Hex)

Device or bus address 126 (default)

The device or bus address is set either using the configuration software, e.g.

FieldCare or with the DIP switches on the electronics compartment see

page 15.

GSD files Sources of GSD files and device drivers:

• GSD file: www.endress.com (→Download →Software)

• Profile GSD file: www.profibus.com

• FieldCare/DTM: www.endress.com (→Automation →Fieldbus →

Fieldbus device integration)

• SIMATIC PDM: www.endress.com (→Automation →Fieldbus →

Fieldbus device integration) or www.fielddevices.com

Write lock Write lock activated using hardware setting (DIP switch)

Cyclic data exchange

Output data Display value

Input data Process temperature, internal reference temperature

FOUNDATION Fieldbus™

TMT162

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Switch-on delay

Power supply

Electrical connection

T09-TMT162ZZ-04-00-XX-en-000

Short description of blocks

Physical Block The Physical Block contains all the data to uniquely identify and

characterize the device. It corresponds to an electronic nameplate for the

device. In addition to parameters required for operation of the device at the

Fieldbus, the Physical Block provides information such as order code,

device ID, hardware revision, software revision etc. The display settings are

also made using the Physical Block.

Transducer Block "Sensor 1" and "Sensor 2" The field transmitter Transducer Blocks contain all the measuring and

device-specific parameters relating to the measurement of the input

variables.

Analog Input (AI) In the AI function block, the process variables from the Transducer Blocks

are processed for the subsequent automation functions in the control

system (e.g. scaling, limit value processing).

PROFIBUS®PA

HART®

4 s, during switch-on operation Ia≤3.8 mA

FOUNDATION Fieldbus™

5 s

PROFIBUS®PA

8 s

RTD

4-wire

2-wire 3-wire

Bus connection and

supply voltage

Sensor 1

Sensor 2

Sensor 1

Sensor 2

TMT162

10 Endress+Hauser

Supply voltage

Cable entry See Section ’Ordering information (Product structure)’ see page 19

Residual ripple (HART®)Perm. residual ripple Uss ≤3 V at Ub≥13.5 V, fmax. = 1 kHz

Performance characteristics

Response time 1 s per channel

Reference operating

conditions

Calibration temperature: + 25 °C ± 5 K (77 °F ± 9 °F)

Maximum measured error

HART®

Ub= 11 to 40 V (8 to 40 V without display), reverse polarity protection

Note!

(according to IEC 61010-1, CSA 1010.1-92)! The TMT162 must be powered by a 11 to 40 VDC 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.

FOUNDATION Fieldbus™

Ub= 9 to 32 V, reverse polarity protection,

max. voltage Ub= 35 V

According to IEC 60079-27, FISCO/FNICO

PROFIBUS®PA

Ub= 9 to 32 V, reverse polarity protection,

max. voltage Ub= 35 V

According to IEC 60079-27, FISCO/FNICO

Designation

Accuracy

Digital D/A1)

1) % relates to the set span. Accuracy = digital + D/A accuracy, for 4 to 20 mA output

Resistance thermometer

(RTD)

Cu100, Pt100, Ni100, Ni120

Pt500

Cu50, Pt50, Pt1000, Ni1000

Cu10, Pt200

0.1 °C (0.18 °F)

0.3 °C (0.54 °F)

0.2 °C (0.36 °F)

1 °C (1.8 °F)

0.02%

Thermocouples (TC)

K, J, T, E, L, U

N, C, D

S, B, R

typ. 0.25 °C (0.45 °F)

typ. 0.5 °C (0.9 °F)

typ. 1.0 °C (1.8 °F)

0.02%

Measuring range

Accuracy

Digital D/A1

Resistance transmitter

(Ω)

10 to 400 Ω

10 to 2000 Ω

± 0.04 Ω

± 0.8 Ω

0.02%

Voltage transmitter (mV) -20 to 100 mV ± 10 μV 0.02%

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