5.3Ensuring the degree of protection .......... 14
5.4Post-connection check .................. 15
6Operability ........................ 15
6.1Overview of operation options ............ 15
6.2Structure and function of the operating
menu .............................. 16
6.3Access to the operating menu via an
operating tool ........................ 17
7System integration ................ 21
7.1Overview of device description files ......... 21
7.2Measured variables via HART protocol ...... 21
7.3
Supported HART® commands ............. 22
8Commissioning .................... 24
8.1Function check ....................... 24
8.2Switching on the measuring device ......... 24
8.3Configuring the measuring device .......... 24
8.4Creating a calibration report .............. 26
8.5Protecting settings from unauthorized
access .............................. 28
8.6Advanced settings ..................... 29
13Technical Data .................... 47
13.1Input ............................... 47
13.2Output ............................. 47
13.3Wiring ............................. 48
13.4Performance characteristics .............. 49
13.5Environment ......................... 53
13.6Mechanical construction ................ 54
13.7Certificates and approvals ............... 72
14Operating menu and parameter
description ........................ 74
14.1Setup menu .......................... 78
14.2Calibration menu ...................... 79
14.3Diagnostics menu ..................... 83
14.4Expert menu ......................... 92
Endress+Hauser3
About this documentiTHERM TrustSens TM371, TM372
DANGER
WARNING
CAUTION
NOTICE
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 Symbols
1.2.1 Safety symbols
SymbolMeaning
DANGER!
This symbol alerts you to a dangerous situation. Failure to avoid this situation will
result in serious or fatal injury.
WARNING!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can
result in serious or fatal injury.
CAUTION!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can
result in minor or medium injury.
NOTE!
This symbol contains information on procedures and other facts which do not result in
personal injury.
1.2.2 Electrical symbols
SymbolMeaning
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.
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.
1.2.3 Symbols for certain types of information
SymbolMeaning
Permitted
Procedures, processes or actions that are permitted.
Preferred
Procedures, processes or actions that are preferred.
4Endress+Hauser
iTHERM TrustSens TM371, TM372About this document
,…,
SymbolMeaning
Forbidden
Procedures, processes or actions that are forbidden.
Tip
Indicates additional information.
Reference to documentation
Reference to page
Reference to graphic
Series of steps
Result of a step
Help in the event of a problem
Visual inspection
1.2.4 Tool symbols
SymbolMeaning
Open-ended wrench
A0011222
1.3 Documentation
For an overview of the scope of the associated Technical Documentation, refer to the
following:
• W@M Device Viewer (www.endress.com/deviceviewer): Enter the serial number
from nameplate
• Endress+Hauser Operations App: Enter the serial number from the nameplate or
scan the 2D matrix code (QR code) on the nameplate
1.3.1 Standard documentation
Document typePurpose and content of the document
Technical InformationPlanning 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.
Brief Operating InstructionsGuide that takes you quickly to the 1st measured value
The Brief Operating Instructions contain all the essential information
from incoming acceptance to initial commissioning.
Additional documents are supplied depending on the device version ordered: Always
comply strictly with the instructions in the supplementary documentation. The
supplementary documentation is an integral part of the device documentation.
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 starting work, read and understand the instructions in the manual and
‣
supplementary documentation as well as the certificates (depending on the
application).
Follow instructions and comply with basic conditions.
‣
The operating personnel must fulfill the following requirements:
Are instructed and authorized according to the requirements of the task by the facility's
‣
owner-operator.
Follow the instructions in this manual.
‣
2.2 Intended use
• The device is a compact thermometer for the acquisition and conversion of temperature
input signals for industrial temperature measurement.
• The manufacturer is not liable for damage caused by improper or non-intended use.
2.3 Operation safety
NOTICE
Operation safety
Operate the device in proper technical condition and fail-safe condition only.
‣
The operator is responsible for interference-free operation of the device.
‣
Conversions to the device
Unauthorized modifications to the device are not permitted and can lead to unforeseeable
dangers.
If, despite this, modifications are required, consult with Endress+Hauser.
‣
Repair
Due to its design, the device cannot be repaired.
However, it is possible to send the device in for examination.
‣
To ensure continued operational safety and reliability, use original spare parts and
‣
accessories from Endress+Hauser only.
2.4 Product safety
This measuring device is designed in accordance with good engineering practice to meet
state-of-the-art safety requirements, has been tested, and left the factory in a condition in
which it is safe to operate.
It meets general safety standards and legal requirements. It also complies with the EC
directives listed in the device-specific EC Declaration of Conformity. Endress+Hauser
confirms this by affixing the CE mark to the device.
6Endress+Hauser
iTHERM TrustSens TM371, TM372Incoming acceptance and product identification
DELIVERYNOTE
TMT162
TrustSens
TM371, 372
3 Incoming acceptance and product
identification
3.1 Incoming acceptance
1.Unpack the device carefully. Is the packaging or content damaged?
The damaged content must not be installed; in those conditions the
manufacturer cannot guarantee the original safety requirements or the material
resistance and cannot be considered as responsible for any consequent damages.
2.Is the delivery complete? Compare the scope of delivery against the information on
your order form.
3.
Do the nameplate data match the ordering information on the delivery note?
4.
Are the technical documentation and additional documents (e.g. certificates)
present?
If one of the conditions does not comply, contact your Endress+Hauser distributor.
3.2 Product identification
The following options are available for identification of the device:
• Nameplate specifications
• 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.
A0028503
A0028522
Endress+Hauser7
Incoming acceptance and product identificationiTHERM TrustSens TM371, TM372
Input:
1
2
3
4
5
6
3.2.1 Nameplate
Is this the correct device?
Compare and check the data on the nameplate of the device against the requirements of the
measuring point:
1Order code, serial number
2Device TAG name
3Supply voltage and current consumption
4Device revision and firmware version
5Ambient temperature
6Approvals with symbols
A0033853
1Nameplate of the compact thermometer
(example)
3.2.2 Scope of delivery
The scope of delivery comprises:
• Compact thermometer
• Hard copy of multi-language Brief Operating Instructions
• Ordered accessories
3.2.3 Certificates and approvals
An overview of further approvals and certifications is provided in the ’Technical data’
section. → 72
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.
Hygiene standard
• EHEDG certification, type EL - CLASS I. Permitted process connections in accordance
with EHEDG, see section 'Process connections' → 64
• 3-A authorization no. 1144, 3-A sanitary standard 74-06. Permitted process
connections in accordance with 3-A, see section 'Process connections' → 64
• ASME BPE, certificate of conformity can be ordered for indicated options
• FDA-compliant
• All product contact surfaces are produced without animal fats (TSE Certificate of
Suitability)
8Endress+Hauser
iTHERM TrustSens TM371, TM372Incoming acceptance and product identification
Parts in contact with the medium
Parts of the thermometer in contact with the medium comply with the following European
regulations:
• (EC) No. 1935/2004, Article 3, paragraph 1, Articles 5 and 17 on materials and articles
intended to come into contact with food.
• (EC) No. 2023/2006 on good manufacturing practice for materials and articles intended
to come into contact with food.
• (EU) No. 10/2011 on plastic materials and articles intended to come into contact with
food.
3.3 Transport and storage
Pack the device in such a way as to protect it reliably against impact for storage (and
transportation). The original packaging provides optimum protection.
Storage temperature–40 to +85 °C (–40 to +185 °F)
Endress+Hauser9
MountingiTHERM TrustSens TM371, TM372
SW/AF 32
SW/AF 17
1
2
3
4
4 Mounting
4.1 Mounting conditions
Information about the conditions, which have to be existent at the mounting location
for a designated use, such as ambient temperature, degree of protection, climate class,
etc., as well as device dimensions - see section 'Technical Data', → 47
The immersion length of the thermometer can influence the accuracy. If the immersion
length is too small then errors in the measurement are caused by heat conduction via the
process connection. If installing into a pipe then the immersion length should ideally be
half of the pipe diameter. → 10
• Installation possibilities: Pipes, tanks or other plant components
• Orientation: no restrictions. However, self-draining in the process must be guaranteed. If
there is an opening to detect leaks at the process connection, this opening must be at the
lowest possible point.
4.2 Mounting the measuring device
Required tools for mounting in an existing protection tube: Open-end wrench or mounting
socket wrench SW/AF 32
A0028639
2Mounting process of the compact thermometer
1Mounting of iTHERM QuickNeck connection to the existing protection tube with iTHERM QuickNeck bottom
part - no tools required
2Hexagonal head SW/AF 32 for the mounting in an existing protection tube for M24-, G3/8"-thread
3Adjustable compression fitting TK40 - mounting of the hexagonal screw with open-end wrench SW/AF 17
only
4Protection tube
10Endress+Hauser
iTHERM TrustSens TM371, TM372Mounting
U
≥ 3°
≥ 3°
1
2
3
4
1
2
3
4
5
M
M
M
A0031007
3Mounting possibilities in the process
1, 2 Perpendicular to flow direction, installed at a min. angle of 3° to ensure self-draining
3On elbows
4Inclined installation in pipes with a small nominal diameter
UImmersion length
In the case of pipes with a small nominal diameter, it is advisable for the tip of the
thermometer to project well into the process so that it extends past the pipe axis.
Installation at an angle (4) could be another solution. When determining the immersion
length or installation depth all the parameters of the thermometer and of the medium to
be measured must be taken into account (e.g. flow velocity, process pressure).
Maximum torque
A0035951
Protection tube version TT411, 6 mm (0.24 in) (1)
TT411, 6 mm (0.24 in) and
Necktube TE411 (2)
Torque M3 to 5 Nm (2.2 to 3.7 lbf ft)10 Nm (7.4 lbf ft)3 to 5 Nm (2.2 to 3.7 lbf ft)
TT411,
9 mm (0.35 in) (3)
TT411, 12.7 mm (¹⁄₂ in) (4)
TT411, 12.7 mm (¹⁄₂ in) and
Necktube TE411 (5)
When connecting the device with the protection tube: only turn the hexagonal
spanner flat on the bottom of the housing.
Endress+Hauser11
MountingiTHERM TrustSens TM371, TM372
1
2
12
34
R0.4R0.4
Sensor with
milk pipe
connection
SensorVariventwith
connection
Shaped
gasket
Companion
connection
O-ring
Groove
slip-on nut
Centering ring
Sealing
Companion
connection
Companion
connection
Gasket
(O-ring)
Welding boss
Leak detection hole
Vessel wall
A0031022
4Process connections for thermometer installation in pipes with small nominal diameters
1Varivent® process connection type N for DN40
2Corner piece or T-piece (illustrated) for weld-in as per DIN 11865 / ASME BPE 2012
12Endress+Hauser
5Detailed installation instructions for hygiene-compliant installation
1Sanitary connection according to DIN 11851, only in connection with EHEDG-certified and self-centering
sealing ring
2Varivent® process connection for VARINLINE® housing
3Clamp according to ISO 2852
4Liquiphant-M G1" process connection, horizontal installation
A0028648-EN
iTHERM TrustSens TM371, TM372Mounting
The counterpieces for the process connections and the seals or sealing rings are not
included in the scope of supply for the thermometer. Liquiphant M weld-in adapters with
associated seal kits are available as accessories. → 42
Procedure in case of seal failure indicated by leak detection port:
1.Disassembling of the thermometer, validated cleaning procedure of thread and
sealing ring groove
2.Replacement of the seal or sealing ring
3.CIP after re-assembly
In the case of weld-in connections, exercise the necessary degree of care when performing
the welding work on the process side:
• Suitable welding material
• Flush-welded or with welding radius > 3.2 mm (0.13 in)
• No recesses, folds or gaps
• Honed and polished surface, Ra ≤ 0.76 µm (0.03 µin)
As a general rule, the thermometers should be installed in such a way that does not
impact their ability to be cleaned (the requirements of the 3-A Standard must be
observed). The Varivent® and Liquiphant-M weld-in adapter and Ingold (+ weld-in
adapter) connections enable flush-mounted installation.
4.3 Post-mounting check
Is the device undamaged (visual inspection)?
Is the device fixed appropriately?
Does the device comply to the measurement point specifications, such as ambient temperature, etc.?
According to the 3-A Standard electrical connecting cables must be smooth,
corrosion-resistant and easy to clean.
5.2 Connecting the device
NOTICE
To prevent damage to the device
To prevent any kind of damage from the device electronics, leave the pins 2 and 4
‣
unconnected. They are reserved for the connection of the configuration cable.
Do not tighten the M12 plug too much, in order to prevent damage to the device.
‣
A0028623
6Cable plug M12x1 and PIN assignment of the connection socket at the device
If voltage supply is connected correctly and the measuring device is operational, the LED is
illuminated green.
5.3 Ensuring the degree of protection
The specified degree of proctection is ensured when the M12x1 cable plug is tightened. In
order to reach IP69K degree of protection, appropriate cord sets with straight or angle
plugs are available as accessories.
14Endress+Hauser
iTHERM TrustSens TM371, TM372Operability
23
1
45
5.4 Post-connection check
Is the device or cable undamaged (visual check)?
Do the cables have adequate strain relief?
Does the supply voltage match the specifications on the nameplate?
6 Operability
6.1 Overview of operation options
A0031089
7Operating options of the device
1
Installed iTHERM compact thermometer with HART® communication protocol
2RIA15 loop powered process display - It is integrated in the current loop and displays the measuring signal or
HART® process variables in digital form. The process display unit does not require an external power supply.
It is powered directly from the current loop.
3Active barrier RN221N - The RN221N (24 V DC, 30 mA) active barrier has a galvanically isolated output for
supplying voltage to loop-powered transmitters. The universal power supply works with an input supply
voltage of 20 to 250 V DC/AC, 50/60 Hz, which means that it can be used in all international power grids.
4Commubox FXA195 for intrinsically safe HART® communication with FieldCare via the USB interface.
5FieldCare is a FDT-based plant asset management tool from Endress+Hauser, more details see section
'accessories'. The acquired self-calibration data is stored in the device (1) and can be read using FieldCare.
This also enables an auditable calibration certificate to be created and printed.
Endress+Hauser15
OperabilityiTHERM TrustSens TM371, TM372
Expert
System
Communication
Operating menu for experts
Setup
Device tag
Diagnostics
Operating menu for operators and maintenances
Maintenance
Expert
Output
Unit
4 mA value
20 mA value
Actual diagnostics
Operating time
Diagnostic list
Actual diagnostics count
Enter access code
Unit
4 mA value
HART configuration
HART info
HART output
Device type
Assigncurrentoutput(PV)
Event logbook
Device information
Simulation
Previous diagnostics 1
Device tag
Min/max values
Sensor value
Measured values
Sensor min v.
Device tag
Definesoftware writeprotectioncode
Administration
Operation
Previous diagnostics 1
Loop check configuration
Loop check config.
Failure mode
Calibration
Number of self calibrations
Deviation
Limits
Interval monitoring
Self calibration monitoring
Stored self calibration points
Adjustment
Calibration report
...
Diagnostic simulation
Diagnostic settings
Access status tooling
Locking status
Lower warning value
Diagnostic behavior
6.2 Structure and function of the operating menu
6.2.1 Structure of the operating menu
A0032327-EN
16Endress+Hauser
iTHERM TrustSens TM371, TM372Operability
Submenus and user roles
Certain parts of the menu are assigned to certain user roles. Each user role corresponds to
typical tasks within the lifecycle of the device.
User roleTypical tasksMenuContent/meaning
Maintenance
Operator
ExpertTasks that require detailed knowledge of the function
Commissioning:
• Configuration of the measurement.
• Configuration of data processing (Measurement
range, etc.).
Reading measured values.
Calibration:
• Configuration of the warning and alarm limit values
as well as interval monitoring.
• Configuration and creation of a calibration report
(wizard).
Fault elimination:
• Diagnosing and eliminating process errors.
• Interpretation of device error messages and
correcting associated errors.
of the device:
• Commissioning measurements under difficult
conditions.
• Optimal adaptation of the measurement to difficult
conditions.
• Detailed configuration of the communication
interface.
• Error diagnostics in difficult cases.
"Setup"
"Calibration"
"Diagnostics"Contains all parameters for detecting and analyzing
"Expert"Contains all parameters of the device (including those
Contains all parameters for commissioning and
calibration:
• Setup parameters
Once values have been set for these parameters, the
measurement should generally be completely
configured.
• Calibration parameters
Contains all information and parameters for the selfcalibration, including a wizard for creating a
calibration report. This wizard is available in the
online parameterization.
errors:
• Diagnostic list
Contains up to 3 currently pending diagnostic
messages.
• Event logbook
Contains the last 5 diagnostic messages (no longer
pending).
• "Device information" submenu
Contains information for identifying the device.
• "Measured values" submenu
Contains all current measured values.
• "Simulation" submenu
Is used to simulate measured values or output values.
• Diagnostic settings
Configuration of diagnostic behavior and status
signal according to NE107
that are already in one of the other menus). The
structure of this menu is based on the function blocks
of the device:
• "System" submenu
Contains all higher-order device parameters that do
not pertain either to measurement or the measured
value communication.
• "Output" submenu
Contains all parameters for configuring the analog
current output and the loop check.
• "Communication" submenu
Contains all parameters for configuring the digital
communication interface.
6.3 Access to the operating menu via an operating tool
6.3.1 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 takes
place via the HART® protocol or CDI (= Endress+Hauser Common Data Interface).
Endress+Hauser17
OperabilityiTHERM TrustSens TM371, TM372
Typical functions:
• Configuring parameters of the device
• Loading and saving device data (upload/download)
• Documentation of the measuring point
For iTHERM TrustSens thermometers, FieldCare provides convenient access to
automatically created self-calibration reports.
For details, see Operating Instructions BA00027S/04 and BA00065S/04 in the
download area on www.endress.com.
Source for device description files
See data → 21
Establishing a connection
As example: via HART® modem Commubox FXA191 (RS232) or FXA195 (USB)
1.Make sure to update the DTM library for all connected devices (e.g. FXA19x, iTHERM
TrustSens TM371).
2.Start FieldCare and create a project.
3.Go to View --> Network: Right-click on Host PC Add Device...
The Add New Device window opens.
4.Select the HART Communication option from the list and press OK to confirm.
5.Double-click on HART Communication DTM instance.
Check the Serial Interface port for the correct modem and press OK to confirm.
6.Right-click on HART Communication and select the Add Device... option in the
context menu that opens.
7.Select the desired device from the list and press OK to confirm.
The device appears in the network list.
8.Right-click on this device and select the Connect option in the context menu that
opens.
The CommDTM appears in green color.
9.Double-click on the device in the network list to establish the online connection to
the device.
The online parameterization is available.
18Endress+Hauser
iTHERM TrustSens TM371, TM372Operability
1
3
4
5
6
2
7
User interface
A0032334-EN
8User interface with device information via HART®-communication
1Network view
2Header
3Device tag and device name
4Status area for the status signal
5Measured values with general device information: PV, output current, percent of range, device temperature
6Navigation area with operating menu structure
7Display and input area
6.3.2 DeviceCare
Function scope
DeviceCare is a free configuration tool for Endress+Hauser devices. It supports devices with
the following protocols, provided a suitable device driver (DTM) is installed: HART,
PROFIBUS, FOUNDATION Fieldbus, Ethernet/IP, Modbus, CDI, ISS, IPC and PCP. The tool is
aimed at customers without a digital network in plants and workshops as well as Endress
+Hauser service technicians. The devices can be connected directly via a modem (point-topoint) or a bus system. DeviceCare is fast, easy and intuitive to use. It can run on a PC,
laptop or tablet with a Windows operating system.
Source for device description files
See data → 21
6.3.3 Field Xpert
Function scope
Field Xpert is an industrial PDA (personal digital assistant) with integrated touchscreen for
commissioning and maintaining field devices in explosion hazardous and non-hazardous
areas. It allows efficient configuration of FOUNDATION fieldbus, HART and WirelessHART
devices.
Source for device description files
See data → 21
Endress+Hauser19
OperabilityiTHERM TrustSens TM371, TM372
6.3.4 AMS Device Manager
Function scope
Program from Emerson Process Management for operating and configuring measuring
devices via the HART® protocol.
Source for device description files
See data → 21
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 data → 21
6.3.6 Field Communicator 375/475
Function scope
Industrial handheld terminal from Emerson Process Management for remote
configuration and measured value display via the HART ® protocol.
Source for device description files
See data → 21
20Endress+Hauser
iTHERM TrustSens TM371, TM372System integration
7 System integration
7.1 Overview of device description files
Version data for the device
Firmware version01.00.zzThe firmware version can be found:
• on the nameplate → 1, 8
• in the operating menu: Diagnostics → Device
information → Firmware version
•
Please make sure to use the operating
instructions valid for the device. The
corresponding firmware versions for each
operating instructions can be found on its title
page.
Manufacturer ID(17) 0x11Operating menu: Diagnostics → Device information →
Manufacturer ID
Device type0x11CFOperating menu: Expert → Communication → HART
info → Device type
HART protocol revision7.0Operating menu: Expert → Communication → HART
info → HART revision
Device revision1• On the nameplate → 1, 8
• Operating menu: Expert → Communication → HART
info → Device revision
The suitable device driver software (DD/DTM) for the individual operating tools can be
obtained from different sources:
• www.endress.com --> Products: individual product page e.g. TM371 --> Documents /
Manuals / Software: Electronic Data Description (EDD) or Device Type Manager (DTM).
• via DVD (contact your local Endress+Hauser sales center)
Endress+Hauser supports all common operating tools of different manufacturers (e.g.
Emerson Process Management, ABB, Siemens, Yokogawa, Honeywell and many more).
The Endress+Hauser operating tools FieldCare and Device care can also be obtained per
download (www. endress.com --> Downloads --> Media Type: Software --> Application
Software) or via optical data storage medium (DVD) from your local Endress+Hauser sales
center.
7.2 Measured variables via HART protocol
The measured values (device variables) are assigned to the device variables as follows:
Dynamic variableDevice variable
Primary value (PV)Temperature
Secondary value (SV)Device temperature
Tertiary value (TV)Number of self-calibrations
Quaternary value (QV)Calibration deviation
Endress+Hauser21
System integrationiTHERM TrustSens TM371, TM372
7.3
Supported HART® commands
The HART® protocol enables the transfer of measurement data and device data
between the HART® master and the field device. HART® masters such as the above
listed operating tools require an appropriate device driver software (DD or DTM) to
establish the data exchange. The data exchange is initiated via commands.
There are three different types of commands.
• 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.
• Device-specific commands:
These commands allow access to device-specific functions which are not HART
®
standard. Such commands access individual field device information.
Command No.Designation
Universal commands
0, Cmd0Read unique identifier
1, Cmd001Read primary variable
2, Cmd002Read loop current and percent of range
3, Cmd003Read dynamic variables and loop current
6, Cmd006Write polling address
7, Cmd007Read loop configuration
8, Cmd008Read dynamic variable classifications
9, Cmd009Read device variables with status
11, Cmd011Read unique identifier associated with TAG
12, Cmd012Read message
13, Cmd013Read TAG, descriptor, date
14, Cmd014Read primary variable transducer information
15, Cmd015Read device information
16, Cmd016Read final assembly number
17, Cmd017Write message
18, Cmd018Write TAG, descriptor, date
19, Cmd019Write final assembly number
20, Cmd020Read long TAG (32-byte TAG)
21, Cmd021Read unique identifier associated with long TAG
22, Cmd022Write long TAG (32-byte TAG)
38, Cmd038Reset configuration changed flag
48, Cmd048Read additional device status
Common practice commands
33, Cmd033Read device variables
34, Cmd034Write primary variable damping value
35, Cmd035Write primary variable range values
40, Cmd040Enter/Exit fixed current mode
22Endress+Hauser
iTHERM TrustSens TM371, TM372System integration
Command No.Designation
42, Cmd042Perform device reset
44, Cmd044Write primary variable units
45, Cmd045Trim loop current zero
46, Cmd046Trim loop current gain
50, Cmd050Read dynamic variable assignments
54, Cmd054Read device variable information
59, Cmd059Write number of response preambles
95, Cmd095Read Device Communication Statistics
100, Cmd100Write Primary Variable Alarm Code
516, Cmd516Read Device Location
517, Cmd517Write Device Location
518, Cmd518Read Location Description
519, Cmd519Write Location Description
520, Cmd520Read Process Unit Tag
521, Cmd521Write Process Unit Tag
523, Cmd523Read Condensed Status Mapping Array
524, Cmd524Write Condensed Status Mapping Array
525, Cmd525Reset Condensed Status Mapping Array
526, Cmd526Write Simulation Mode
527, Cmd527Simulate Status Bit
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1
8 Commissioning
8.1 Function check
Before commissioning the device make sure that all final checks have been carried out:
• Checklist "Post-mounting check" , → 13
• Checklist "Post-connection check", → 15
8.2 Switching on the measuring device
Once the final checks have been successfully completed, it is time to switch on the supply
voltage. The device performs a number of internal test functions after power-up. This is
indicated by red LED-flashing. The device is operational after approx. 10 seconds in
normal operating mode. The LED on the device is illuminated green.
8.2.1 Display elements
1LED signals for device status indication.
Function description of the different LED signals, see → 35
8.3 Configuring the measuring device
See 'Operating menu and parameter description'→ 74
8.3.1 Defining the measurement range
To configure the measurement range, enter the 4 mA value and the 20 mA value.
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1
Navigation
"Setup" menu → 4 mA value
"Setup" menu → 20 mA value
1.In the 4 mA value input window, enter the lower range value of your process
measurement range and press ENTER to confirm.
2.In the 20 mA value input window, enter the upper range value of your process
measurement range and press ENTER to confirm.
8.3.2 Defining the warning limits for the self-calibration
A0034668-EN
1Values to be entered for the warning limits
2Values to be entered for the alarm limits
Use this function to define the lower and upper warning limit. As a result of each selfcalibration the deviation between the reference sensor and the Pt100 sensor is being
determined. If this deviation exceeds the defined warning limit, the device will transmit
the defined status signal and show the defined diagnostic behavior via the LED. (Factory
setting = Warning - LED red flashes, diagnostic number 144. Measured value status =
Uncertain / Not limited).
Navigation
"Calibration" menu → Limits → Lower warning value
"Calibration" menu → Limits → Upper warning value
1.In the Lower warning value input window, enter the lower warning limit for the
self-calibration deviation and press ENTER to confirm.
2.In the Upper warning value input window, enter the upper warning limit for the
self-calibration deviation and press ENTER to confirm.
Please consider the maximum limited value range to be entered: ±0.35 °C (±0.67 °F).
→ 80
8.3.3 Defining the alarm limits for the self-calibration
Use this function to define the lower and upper alarm limit. As a result of each selfcalibration the deviation between the reference sensor and the Pt100 sensor is being
determined. If this deviation exceeds the defined alarm limit, the device will transmit the
defined status signal and show the defined diagnostic behavior via the LED. (Factory
setting = Warning - LED red flashes, diagnostic number 143. Measured value status =
Uncertain / Not limited.)
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1.
2.
Navigation
"Calibration" menu → Limits → Lower alarm value
"Calibration" menu → Limits → Upper alarm value
1.In the Lower alarm value input window, enter the lower limit for the self-calibration
deviation and press ENTER to confirm.
2.In the Upper alarm value input window, enter the upper warning limit for the selfcalibration deviation and press ENTER to confirm.
Please consider the maximum limited value range to be entered: ±0.35 °C (±0.67 °F).
→ 80
8.4 Creating a calibration report
The "calibration report" wizard guides you systematically through the process for creating a
calibration report for a pre-selected calibration point.
Navigation
"Calibration" menu → Calibration report
At least one stored self-calibration point must be in the device to start the online
wizard.
Configuration and creation of a calibration report
1.
To read the calibration point data from the device, enter the calibration point index.
Index 1 reads the latest calibration point.
2.Press READ DATA to confirm.
An overview of device information and calibration point data appears. See table
below for detailed information.
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3.
4.
5.
3.Press CALIBRATION REPORT to continue.
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Your file system explorer window appears. You are asked to save the calibration
report as a PDF file.
4.Enter a file name for the calibration report and select a memory location in your file
system.
The calibration report is just being saved on your file system.
5.
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Either press EXIT to end the calibration report wizard, press SELECT CALIBRATION
POINT to select another stored self-calibration point or press READ OLDER
CALIBRATION POINT to switch to the previous self-calibration point.
The creation of a self-calibration report is finished. The saved PDF-file can be opened to
read or to print the calibration report.
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Relevant self-calibration data for creating a report
Device information
Operating timeUse this function to display the total count of hours when the device was
powered.
Stored self-calibration pointsDisplays the amount of all stored self-calibration points. This device is
able to store 350 self-calibration points. As soon as the memory would
reach its limit, the oldest self-calibration point will be overwritten.
Requested self-calibration pointEnter the number of the requested self-calibration point. The latest self-
calibration point always has the number "1".
Calibration point data
Calibration IDUse this number to identify a self-calibration point. Each number is
unique and is not editable.
Self-calibration statusThis function shows the validity of the self-calibration point data.
Operating hoursThis function displays the value of the operating hours counter of the
shown self-calibration point.
Measured temperature valueThis function displays the measured Pt100 temperature value at that
specific time of the self-calibration.
DeviationThis function displays the measured Pt100 self-calibration deviation from
the reference temperature. The deviation is calculated as follows:
Self-calibration deviation = reference temperature - measured Pt100
temperature value + adjustment
AdjustmentThis function displays the adjustment value added to the measured Pt100
value. This influences the self-calibration deviation. → 80
New adjustment = Adjustment - deviation of last self-calibration point
Measurement uncertaintyThis functions displays the maximum measurement uncertainty at the
self-calibration temperature.
Lower alarm valueThis function displays the defined lower alarm limit value. → 81
Upper alarm valueThis function displays the defined upper alarm limit value. → 81
Device restart counterDisplays the device restarts between now and when the displayed self-
calibration was executed.
8.5 Protecting settings from unauthorized access
Use this function to protect the device from unwanted changes.
Navigation
Expert menu → System → Administration → Define device write protection code
If the code is programmed into the device firmware it is saved in the device and the
operating tool displays the value 0 so that the defined write protection code is not openly
displayed for viewing.
User entry: 0 to 9 999
Factory default: 0 = write protection is not active.
To activate the write protection please go through the following steps:
1.Define a write protection in the Enter access code parameter.
2.Enter a code which does not correspond the the one which is defined in step 1.
The device is now write protected.
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Heartbeat Diagnostics
Heartbeat Verification
Pass/Fail
}
· ......................
· ......................
· ......................
· ......................
· ......................
Heartbeat Monitoring
Heartbeat Technology
TM
Deactivate the write protection
Enter the defined code in the Enter access code parameter.
‣
The device is not write protected.
If the write protection code has been forgotten, it can be deleted or overwritten by the
service organization.
8.6 Advanced settings
The section contains a description of the additional parameters and technical data that are
available with the Heartbeat Verification and Heartbeat Monitoring application
packages.
8.6.1 Heartbeat modules
Overview
9Heartbeat modules
The modules are available in all the device versions. The Heartbeat functionality is
available with the revised device driver software (DTM, version 1.11.zz and higher).
Short description of the modules
Heartbeat Diagnostics
Function
• Continuous self-monitoring of the device.
• Diagnostic messages output to
– a local display, optional
– an asset management system (e.g. FieldCare/DeviceCare)
– an automation system (e.g. PLC)
Advantages
• Device condition information is available immediately and processed in time.
• The status signals are classified in accordance with VDI/VDE 2650 and NAMUR
recommendation NE 107 and contain information about the cause of the error and
remedial action.
Detailed description
→ 30
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Heartbeat Verification
Device functionality checked on demand
• Verification of the correct functioning of the measuring device within specifications.
• The verification result provides information about the condition of the device: "Passed" or
"Failed".
• The results are documented in a verification report.
• The automatically generated report supports the obligation to demonstrate compliance
with internal and external regulations, laws and standards.
• Verification is possible without interrupting the process.
Advantages
• No onsite presence is required to use the function.
• The DTM
1)
triggers verification in the device and interprets the results. No specific
knowledge is required on the part of the user.
• The verification report can be used to prove quality measures to a third party.
• Heartbeat Verification can replace other maintenance tasks (e.g. periodic check) or
extend the test intervals.
Detailed description
→ 31
Heartbeat Monitoring
Function
Calibration information is logged in addition to the verification parameters. 350
calibration points are saved in the device (FIFO memory).
Advantages
• Early detection of changes (trends) to ensure plant availability and product quality.
• Use of information for the proactive planning of measures (e.g. maintenance).
Detailed description
→ 33
8.6.2 Heartbeat Diagnostics
Device diagnostic messages, along with remedial measures, are displayed in the operating
tool (FieldCare/DeviceCare).
For information on using the diagnostic messages, see the "Diagnostics and
troubleshooting" section. → 35
Diagnostic message in the operating tool
1.Navigate to the "Diagnostics" menu.
The diagnostic event, along with the event text, is displayed in the Actual
diagnostics parameter.
1)DTM: Device Type Manager; controls device operation via DeviceCare, FieldCare, PACTware or a DTM-based control system.
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