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Summary of Contents for Endress+Hauser iTHERM TrustSens TM371
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Page 1: Simulation Value
Products Solutions Services BA01581T/09/EN/03.18 71413053 2018-08-20 Valid as of version 01.00 (device version) Operating Instructions iTHERM TrustSens TM371, TM372 Compact thermometer with self-calibration... -
Page 3: Table Of Contents
TrustSens TM371, TM372 Table of contents Table of contents About this document ....4 Diagnostics and troubleshooting . . . 35 Document function ..... -
Page 4: About This Document
About this document iTHERM TrustSens TM371, TM372 About this document 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. -
Page 5: 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... -
Page 6: Basic Safety Instructions
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. -
Page 7: Incoming Acceptance And Product
TM371, 372 A0028522 Are the technical documentation and additional documents (e.g. certificates) present? If one of the conditions does not comply, contact your Endress+Hauser distributor. Product identification The following options are available for identification of the device: • Nameplate specifications •... - Page 8 Incoming acceptance and product identification iTHERM TrustSens TM371, TM372 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: Order code, serial number Device TAG name...
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Page 9: Transport And Storage
TrustSens TM371, TM372 Incoming 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. -
Page 10: Mounting
Mounting iTHERM TrustSens TM371, TM372 Mounting 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 ' T echnical Data' , → 47 The immersion length of the thermometer can influence the accuracy. - Page 11 TrustSens TM371, TM372 Mounting ≥ 3° ≥ 3° A0031007 3 Mounting possibilities in the process 1, 2 Perpendicular to flow direction, installed at a min. angle of 3° to ensure self-draining On elbows Inclined installation in pipes with a small nominal diameter...
- Page 12 Mounting iTHERM TrustSens TM371, TM372 A0031022 4 Process connections for thermometer installation in pipes with small nominal diameters Varivent® process connection type N for DN40 Corner piece or T-piece (illustrated) for weld-in as per DIN 11865 / ASME BPE 2012...
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Page 13: Post-Mounting Check
TrustSens TM371, TM372 Mounting 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. -
Page 14: Electrical Connection
Electrical connection iTHERM TrustSens TM371, TM372 Electrical connection Connecting requirements According to the 3-A Standard electrical connecting cables must be smooth, corrosion-resistant and easy to clean. 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. -
Page 15: Post-Connection Check
Commubox FXA195 for intrinsically safe HART® communication with FieldCare via the USB interface. FieldCare is a FDT-based plant asset management tool from Endress+Hauser, more details see section ' a ccessories' . The acquired self-calibration data is stored in the device (1) and can be read using FieldCare. -
Page 16: Structure And Function Of The Operating Menu
Operability iTHERM TrustSens TM371, TM372 Structure and function of the operating menu 6.2.1 Structure of the operating menu Operating menu for operators and maintenances Setup Device tag Unit 4 mA value 20 mA value Failure mode Calibration Number of self calibrations... -
Page 17: Access To The Operating Menu Via An Operating Tool
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 ®... - Page 18 Operability iTHERM 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.
- Page 19 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.
- Page 20 Operability iTHERM 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...
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Page 21: System Integration
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. -
Page 22: Supported Hart ® Commands
System integration iTHERM TrustSens TM371, TM372 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. - Page 23 TrustSens TM371, TM372 System integration Command No. Designation 42, Cmd042 Perform device reset 44, Cmd044 Write primary variable units 45, Cmd045 Trim loop current zero 46, Cmd046 Trim loop current gain 50, Cmd050 Read dynamic variable assignments 54, Cmd054...
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Page 24: Commissioning
Commissioning iTHERM TrustSens TM371, TM372 Commissioning 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 Switching on the measuring device Once the final checks have been successfully completed, it is time to switch on the supply voltage. - Page 25 TrustSens TM371, TM372 Commissioning 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.
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Page 26: Creating A Calibration Report
Commissioning iTHERM TrustSens TM371, TM372 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. - Page 27 TrustSens TM371, TM372 Commissioning 3. Press CALIBRATION REPORT to continue. A0033679-EN 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.
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Page 28: Protecting Settings From Unauthorized Access
Commissioning iTHERM TrustSens TM371, TM372 Relevant self-calibration data for creating a report Device information Operating time Use this function to display the total count of hours when the device was powered. Stored self-calibration points Displays the amount of all stored self-calibration points. This device is able to store 350 self-calibration points. -
Page 29: Advanced Settings
TrustSens TM371, TM372 Commissioning 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. - Page 30 Commissioning iTHERM TrustSens TM371, TM372 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.
- Page 31 TrustSens TM371, TM372 Commissioning 2. On the right in the display area, hover the cursor over the "Actual diagnostics" parameter. A0037333-EN A tool tip with remedy information for the diagnostic event appears. 8.6.3 Heartbeat Verification Verification report Creating the verification report using the wizard The wizard to create a verification report is only available if the device is operated via FieldCare, DeviceCare, PACTware or a DTM-based control system.
- Page 32 Commissioning iTHERM TrustSens TM371, TM372 3. Follow the instructions given by the wizard. The wizard guides you through the entire process for creating the verification report. The verification report can be saved in PDF and XML format. The device must be in operation for at least 6 minutes before a verification can be performed.
- Page 33 A higher-level controller is configured in such a way that calibration deviations and the calibration counter are saved when the calibration counter changes. This type of function is supported by Endress+Hauser' s Advanced Data Manager Memograph M RSG45, for example. The following table provides a sample overview of the monitoring analysis using...
- Page 34 Commissioning iTHERM TrustSens TM371, TM372 Time stamp Device name Category Text 25.07.2018 TrustSens 1 (example)Self-calibration EH_TM371_M7041504487: self-calibration (ID=183) Serial number: M7041504487 Device name: iTHERM TM371/372 Operating hours: 1626 h Reference temperature: 118.67 °C Measured temperature value: 118.68 °C Deviation: 0.01 °C Measuring uncertainty (k=2): 0.35 °C...
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Page 35: Diagnostics And Troubleshooting
TrustSens TM371, TM372 Diagnostics and troubleshooting Diagnostics and troubleshooting Troubleshooting Always start troubleshooting with the checklists below if faults occur after start up or during operation. This takes you directly (via various queries) to the cause of the problem and the appropriate remedial measures. -
Page 36: Diagnostic Information
Diagnostics and troubleshooting iTHERM TrustSens TM371, TM372 Diagnostic information Status signal and diagnostic behavior can be configured manually. Status signal - Digital information available via HART® communication Letter/ Status signal Meaning of the status signal symbol Failure The device or its periphery behaves in such a way that the measurement value is no longer valid. -
Page 37: Overview Of Diagnostics Events
TrustSens TM371, TM372 Diagnostics and troubleshooting Overview of diagnostics events Diagnostic events are assigned to a certain diagnostic number and a status signal. The user can change this assignment for certain diagnostic events. Example: Settings Device behavior Configuration example... - Page 38 Diagnostics and troubleshooting iTHERM TrustSens TM371, TM372 Status Diagnostic Configurable Configurable Diagnostic signal behavior Priority Short text Remedy number (factory from the default) factory configurable configurable Factory reset active Factory reset in progress, please Warning wait. Initialization active Initialization in progress, please Warning wait.
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Page 39: Diagnostic List
TrustSens TM371, TM372 Diagnostics and troubleshooting Status Diagnostic Configurable Configurable Diagnostic signal behavior Priority Short text Remedy number (factory from the default) factory configurable configurable Process value out of 1. Check process value. specification 2. Check application. Warning 3. Check sensor. -
Page 40: Maintenance
Maintenance iTHERM TrustSens TM371, TM372 Maintenance In general, no specific maintenance is required for this device. 10.1 Cleaning The sensor has to be cleaned as required. The cleaning can also be proceeded when the device is installed (e.g. CIP Cleaning in Place / SIP Sterilization in Place). Care must be taken to ensure that the sensor is not damaged during the cleaning. -
Page 41: Repair
The measuring device must be returned if it is need of repair or a factory calibration, or if the wrong measuring device has been delivered or ordered. Legal specifications require Endress+Hauser, as an ISO-certified company, to follow certain procedures when handling products that are in contact with the medium. -
Page 42: Accessories
Accessories iTHERM TrustSens TM371, TM372 Accessories 12.1 Device-specific accessories Device-specific accessories Accessories Description Welding boss with sealing taper (metal - Welding boss for G½" and M12x1.5 thread metal) Metal-sealing; conical Material of wetted parts: 316L/1.4435 Max. process pressure 16 bar (232 PSI) 30 (1.18) - Page 43 TrustSens TM371, TM372 Accessories Weld-in adapter for FTL31/33/20, G¾", d=29 mm, without flange pipe-mounting Material: 316L Roughness in μm (μin): 1.5 (59.1) Order number: 52028295 (with inspection certificate EN10204-3.1 30 (1.2) material) 25 (1.0) Order number seal (5-pc. set): silicone O-ring 52021717...
- Page 44 Accessories iTHERM TrustSens TM371, TM372 Weld-in adapter for FTL50 G1", d=60 mm, with flange Material: 316L Roughness in μm (μin): 0.8 (31.5) 29.6 (1.2) Order number: 52001051 (without inspection certificate 24.6 (1.0) EN10204-3.1 material) Order number: 52011896 (with inspection certificate EN10204-3.1 material) Order number seal (5-pc.
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Page 45: Communication-Specific Accessories
FieldCare/ DeviceCare A0028635 Commubox FXA291 Connects Endress+Hauser field devices with a CDI interface (= Endress+Hauser Common Data Interface) and the USB port of a computer or laptop (Non-Ex area and Ex area). For details, see "Technical Information" TI00405C driver... -
Page 46: Service-Specific Accessories
DeviceCare is the tool developed by Endress+Hauser for the configuration of Endress+Hauser devices. All smart devices in a plant can be configured via a point- to-point or point-to-bus connection. The user-friendly menus enable transparent and intuitive access to the field devices. -
Page 47: System Components
TrustSens TM371, TM372 Technical Data 12.4 System components Advanced Data Manager The Advanced Data Manager Memograph M is a flexible and powerful system for Memograph M organizing process values. The measured process values are clearly presented on the display and logged safely, monitored for limit values and analyzed. Via... -
Page 48: Wiring
Technical Data iTHERM TrustSens TM371, TM372 Load Maximum possible HART® communication resistance = (U - 12 V) / 0.023 A (current Load (Ω) b max. b max. output) 17.75 V 24.2 V 12 V 30 V Supply voltage (V DC) -
Page 49: Performance Characteristics
• Maximum current consumption: I ≤ 23 mA Overvoltage protection To protect against overvoltage in the power supply and signal/communication cables for the thermometer electronics, Endress+Hauser offers the HAW562 surge arrester for DIN rail mounting. For more information see the Technical Information ' H AW562 Surge arrester' TI01012K 13.4... - Page 50 Technical Data iTHERM TrustSens TM371, TM372 Long-term drift Pt100 sensing element < 1000 ppm/1000 h A/D converter (digital output - HART®) < 500 ppm/1000 h D/A converter (analog output - current) < 100 ppm/1000 h This would be detected by the self-calibration Long-term drift decreases at an exponential rate over time.
- Page 51 TrustSens TM371, TM372 Technical Data Measured error digital value (HART): 0.226 °C (0.407 °F) √(Measured error digital² + Influence of ambient temperature (digital)² + Influence of supply voltage (digital)² Measured error analog value (current output): 0.235 °C (0.423 °F) √(Measured error digital²...
- Page 52 Technical Data iTHERM TrustSens TM371, TM372 For accredited calibrations according to IEC/ISO 17025, the measurement uncertainty must not be twice as high as the accredited measurement uncertainty of the laboratory. If the limit value is exceeded, only a factory calibration can be carried out.
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Page 53: Environment
TrustSens TM371, TM372 Technical Data T / °C (°F) 123 °C (253.4 °F) -0.5 K/min (-0.9 °F/min) -16.5 K/min (-29.7 °F/min) 116 °C (240.8 °F) < 116 °C (240.8 °F) > 25 s A0032839 10 Needed process temperature profile for self-calibration Process temperature 123 °C (253.4 °F) -
Page 54: Mechanical Construction
M12 connector with a suitable IP rating is installed according to its manual. Shock and vibration Endress+Hauser temperature sensors meet the requirements of IEC 60751 which specify resistance shock and vibration resistance of 3g in the range from 10 to 500 Hz. This also applies for the quick-fastening iTHERM QuickNeck. - Page 55 TrustSens TM371, TM372 Technical Data Without protection tube For installation with compression fitting TK40 as process connection and the insert in direct contact with the process or in an existing protection tube. 31.5 31.5 31.5 31.5 31.5 31.5 31.5 (1.24)
- Page 56 Technical Data iTHERM TrustSens TM371, TM372 With protection tube diameter 6 mm (0.24 in) (0.24) A0031254 Thermometer with extension neck and process connection as clamp version Thermometer without extension neck and process connection as clamp version Without process connection Process connection version as spherical compression fitting TK40 Process connection version as metal sealing system M12x1 Process connection version as metal sealing system G½"...
- Page 57 TrustSens TM371, TM372 Technical Data Item Version Length Spherical-cylindrical weld-in adapter 58 mm (2.28 in) Spherical weld-in adapter 47 mm (1.85 in) Tri-clamp (0.5"-0.75") 24 mm (0.94 in) Microclamp (DN8-18) 23 mm (0.91 in) Sanitary connection DN25/DN32/DN40 according to DIN 29 mm (1.14 in)
- Page 58 Technical Data iTHERM TrustSens TM371, TM372 With protection tube diameter 9 mm (0.35 in) 15 (0.6) 9 (0.35) (0.35) A0031343 Thermometer with extension neck, process connection as clamp version Process connection version as cylindrical weld-in adapter 30 x 40 mm Process connection version as spherical-cylindrical weld-in adapter 30 x 40 mm...
- Page 59 TrustSens TM371, TM372 Technical Data Item Version Length Extension neck E No separate extension neck available Without quick-fastening iTHERM QuickNeck independent of the process connection 85 mm (3.35 in) Without quick-fastening iTHERM QuickNeck in combination with Ingold connection 100 mm (3.94 in) 25 mm (0.98 in) x 46 mm (1.81 in)
- Page 60 Technical Data iTHERM TrustSens TM371, TM372 With protection tube diameter 12.7 mm (¹⁄₂ in) 12.7 (0.5) A0031372 Thermometer with standard extension neck, thread and process connection as clamp version Thermometer with extension neck and process connection as clamp version Process connection version as cylindrical weld-in adapter 12.7 mm (½ in) Process connection version as spherical weld-in adapter 25 mm (1 in)
- Page 61 TrustSens TM371, TM372 Technical Data With tee- or elbow piece protection tube version G3/8" G3/8" 4.5 (0.18) A0031515 Thermometer with extension neck and tee-piece protection tube Version with tee-piece protection tube Version with elbow piece Thermometer with quick-fastening iTHERM QuickNeck and elbow piece protection tube...
- Page 62 Technical Data iTHERM TrustSens TM371, TM372 Possible combinations of the protection tube versions with the available process connections and quick-fastening iTHERM QuickNeck Protection tube diameter iTHERM QuickNeck for 9 mm Process connection and size (0.35 in) 6 mm (0.24 in) 9 mm (0.35 in) 12.7 mm (¹⁄₂...
- Page 63 <1% - including the welding seams (following Basel Standard II); or <0.5% Can be used to a limited extent up to 800 °C (1472 °F) for low compressive loads and in non-corrosive media. Contact your Endress+Hauser sales team for further information. Surface roughness...
- Page 64 Technical Data iTHERM TrustSens TM371, TM372 Protection tube Process connections All dimensions in mm (in). For welding in Type Version Dimensions Technical properties Weld-in adapter 1: Cylindrical d = 12.7 mm (¹⁄₂ in), U = immersion length from lower edge of thread, T = 12 mm (0.47 in)
- Page 65 TrustSens TM371, TM372 Technical Data Type Technical properties DN40 56 mm 42 mm 10 mm 38 mm 41 mm 40 bar (580 psi) (2.2 in) (1.65 in) (0.39 in) (1.5 in) (1.61 in) DN50 68 mm 54 mm 11 mm...
- Page 66 Technical Data iTHERM TrustSens TM371, TM372 Type Version Technical properties Metal sealing system M12x1.5 G½" G3/8" G3/8" = 16 bar (232 psi) max. Protection tube diameter G½” Maximum torque = 6 mm (0.24 in) 10 Nm (7.38 lbf ft)
- Page 67 TrustSens TM371, TM372 Technical Data Dimensions Type Version Technical properties d A B APV Inline • P = 25 bar (362 psi) max. 69 mm 99.5 mm 82 mm 19 mm • 3-A marked and EHEDG DN50 2xM8 (2.72 in) (3.92 in)
- Page 68 Technical Data iTHERM TrustSens TM371, TM372 Dimensions Version max. D i a 38.4 mm (1.51 in) 42.4 mm (1.67 in) 42.4 mm (1.67 in) to 44.3 mm (1.75 in) 48.3 mm (1.9 in) 60.3 mm (2.37 in): 16 bar (232 psi) 56.3 mm (2.22 in)
- Page 69 TrustSens TM371, TM372 Technical Data Advanced elbow piece (no welds, no dead legs) Dimensions Type Version Technical properties D Elbow piece for weld-in as per DIN 11865 Part A DN10 PN25 13 mm 24 mm 1.5 mm (part A, B and C) (0.51 in)
- Page 70 Technical Data iTHERM TrustSens TM371, TM372 Dimensions Type Version Technical properties D A SMS 1147 DN25 32 mm 35.5 mm 7 mm (0.28 in) (1.26 in) (1.4 in) DN38 48 mm 55 mm 8 mm (0.31 in) (1.89 in) (2.17 in)
- Page 71 • The flow characteristics are optimized, thereby increasing the stability of the thermowell. • Endress+Hauser offers users a range of thermowell tips to meet every requirement: – Reduced tip with 4.3 mm (0.17 in) and 5.3 mm (0.21 in): walls of lower thickness significantly reduce the response times of the overall measuring point.
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Page 72: Certificates And Approvals
It is possible to check the mechanical loading capacity as a function of the installation and process conditions online in the TW Sizing Module for thermowells in the Endress+Hauser Applicator software. See ' A ccessories' section. 13.7 Certificates and approvals CE mark The product meets the requirements of the harmonized European standards. - Page 73 Calibration The "Factory calibration" is carried out according to an internal procedure in a laboratory of Endress+Hauser accredited by the European Accreditation Organization (EA) to ISO/IEC 17025. A calibration which is performed according to EA guidelines (SIT/Accredia) or (DKD/DAkkS) may be requested separately.
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Page 74: Operating Menu And Parameter
Operating menu and parameter description iTHERM TrustSens TM371, TM372 Operating menu and parameter description The following tables list all the parameters in the "Setup", "Calibration", "Diagnostics" and "Expert" operating menus. The page reference indicates where a description of the parameter can be found in the manual. - Page 75 TrustSens TM371, TM372 Operating menu and parameter description Diagnostics → Event logbook → Previous diagnostics n → 85 Previous diag (n) channel → 85 n = Number of diagnostics messages (n = 1 to 5) Diagnostics →...
- Page 76 Operating menu and parameter description iTHERM TrustSens TM371, TM372 Expert → Enter access code → 92 Access status tooling → 93 Locking status → 93 Expert → System → Unit → 78 Damping → 94 Expert →...
- Page 77 TrustSens TM371, TM372 Operating menu and parameter description Latitude → 103 Altitude → 103 Location method → 104 Expert → Communication → HART output→ Assign current output (PV) → 104 → 104 Assign SV →...
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Page 78: Setup Menu
Operating menu and parameter description iTHERM TrustSens TM371, TM372 14.1 Setup menu This menu contains all the parameters that are needed to configure the basic settings of the device. The thermometer can be put into operation with this limited parameter set. -
Page 79: Calibration Menu
TrustSens TM371, TM372 Operating menu and parameter description 20 mA value Navigation Setup → Upper range value Expert → Output → 20 mA value Description Use this function to assign a measured value to the current value 20 mA. -
Page 80: Deviation
Operating menu and parameter description iTHERM TrustSens TM371, TM372 Deviation Navigation Calibration → Deviation Description This 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 Display _.__ °C... -
Page 81: Lower Alarm Value
TrustSens TM371, TM372 Operating menu and parameter description Navigation Calibration → Limits → Upper warning value Description Enter the upper warning limit for the self calibration deviation. User entry +0.5 to +1.0 · 10 °C Factory setting +0.5 °C Additional information Use this function to define the upper warning limit. -
Page 82: Interval Monitoring 1) → Control
Operating menu and parameter description iTHERM TrustSens TM371, TM372 14.2.2 "Interval monitoring" submenu The parameter configuration in this submenu is allocated into two calibration items: Self-calibration monitoring: Monitoring function for the start of the next self- calibration. Manual calibration reminder: This function signalizes when the next manual calibration has to be performed. -
Page 83: Diagnostics Menu
TrustSens TM371, TM372 Operating menu and parameter description Description Self-calibration monitoring: Displays the remaining time in days until a self-calibration must be initiated. A successful self-calibration will set the counter to its start value. If the countdown value reaches zero, the device will transmit the defined status signal and show the defined diagnostic behavior via the LED, Factory default = Alarm - LED red illuminated Manual calibration reminder: Indication of the remaining time up to the next calibration. -
Page 84: Operating Time
Operating menu and parameter description iTHERM TrustSens TM371, TM372 Operating time Navigation Diagnostics → Operating time Description Use this function to display the length of time the device has been in operation up to now. Display Hours (h) 14.3.1 "Diagnostic list" submenu Up to 3 diagnostic messages currently pending are displayed in this submenu. - Page 85 TrustSens TM371, TM372 Operating menu and parameter description Display • ---------- • Sensor • Device temperature • Reference sensor • Current output 14.3.2 "Event logbook" submenu Previous diagnostics n n = Number of diagnostic messages (n = 1 to 5) Navigation Diagnostics →...
- Page 86 Use this function to display the serial number of the device. It can also be found on the nameplate. Uses of the serial number • To identify the measuring device quickly, e.g. when contacting Endress+Hauser. • To obtain specific information on the measuring device using the Device Viewer: www.endress.com/deviceviewer Display Max.
- Page 87 TrustSens TM371, TM372 Operating menu and parameter description Navigation Diagnostics → Device information → Order code Description Use this function to display the order code of the device. It can also be found on the nameplate. The order code is generated from the extended order code, which defines all the device features of the product structure.
- Page 88 Operating menu and parameter description iTHERM TrustSens TM371, TM372 Hardware revision Navigation Diagnostics → Device information → Hardware revision Description Indication of the hardware revision of the device. Configuration counter Navigation Diagnostics → Device information → Configuration counter Description Use this function to display the counter reading for changes to device parameters.
- Page 89 TrustSens TM371, TM372 Operating menu and parameter description "Min/max values" submenu Sensor min value Navigation Diagnostics → Measured values → Min/max values → Sensor min value Description Use this function to display the minimum temperature measured in the past at sensor input (peakhold indicator).
- Page 90 Operating menu and parameter description iTHERM TrustSens TM371, TM372 Reset device temp. min/max values Navigation Diagnostics → Measured values → Min/max values → Reset device temp. min/max values Description Use this function to reset the maximum indicators for the minimum and maximum electronic temperatures measured.
- Page 91 TrustSens TM371, TM372 Operating menu and parameter description Description Use this function to set a current value for the simulation. In this way, users can verify the correct adjustment of the current output and the correct function of downstream switching units.
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Page 92: Expert Menu
Operating menu and parameter description iTHERM TrustSens TM371, TM372 Factory setting See overview of diagnostic events → 37 Status signal Navigation Diagnostics → Diagnostic settings → Status signal Description Each diagnostic event is assigned to a certain status signal from the factory. - Page 93 TrustSens TM371, TM372 Operating menu and parameter description Additional information Software device write protection is also switched on and off with this parameter. Software device write protection in conjunction with download from an operating tool with offline capabilities • Download, the device does not have a defined write protection code: The download is performed as normal.
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Page 94: Define Device Write Protection Code
Operating menu and parameter description iTHERM TrustSens TM371, TM372 14.4.1 "System" submenu Unit → 78 Navigation Setup → Unit Expert → System → Unit Damping Navigation Expert → System → Damping Description Use this function to set the time constant for current output damping. -
Page 95: Device Reset
TrustSens TM371, TM372 Operating menu and parameter description Additional information • Activating device write protection: A value must be entered in the Enter access code parameter, which is not corresponding to this defined device write protection code. • Deactivating device write protection: if device write protection is activated, enter the defined write protection code in the Enter access code parameter. - Page 96 Operating menu and parameter description iTHERM TrustSens TM371, TM372 Failure current Navigation Expert → Output → Failure current Prerequisite The option High alarm is enabled in the failure mode. Description Use this function to set the value the current output adopts in an alarm condition.
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Page 97: Loop Check Configuration
TrustSens TM371, TM372 Operating menu and parameter description User entry 3.5 to 4.25 mA Factory setting 4 mA Additional information The trimming only affects current loop values from 3.8 to 20.5 mA. Failure mode with Low Alarm and High Alarm current values are not subjected to the trimming. - Page 98 Operating menu and parameter description iTHERM TrustSens TM371, TM372 Additional information After the device has been started up the loop check starts and the activated simulation values will be checked. These loop current values can be measured with a accurate amperemeter.
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Page 99: Hart Short Tag
TrustSens TM371, TM372 Operating menu and parameter description Factory setting • Simulation value 1: 4.00 mA, not activated • Simulation value 2: 12.00 mA, not activated • Simulation value 3: 20.00 mA, not activated • Low alarm and High alarm not activated... -
Page 100: No. Of Preambles
Operating menu and parameter description iTHERM TrustSens TM371, TM372 Factory setting Additional information The measured value can only be transmitted via the current value is the address is set to "0". The current is fixed at 4.0 mA for all other addresses (Multidrop mode). -
Page 101: Device Revision
TrustSens TM371, TM372 Operating menu and parameter description Description Use this function to view the device revision with which the device is registered with the HART ® FieldComm Group. It is needed to assign the appropriate device description file (DD) to the device. -
Page 102: Hart Message
Operating menu and parameter description iTHERM TrustSens TM371, TM372 HART message Navigation Expert → Communication → HART info → HART message Description Use this function to define a HART message which is sent via the HART protocol when requested by the master. -
Page 103: Location Description
TrustSens TM371, TM372 Operating menu and parameter description Factory setting 32 x ' ? ' Location description Navigation Expert → Communication → HART info → Location description Description Enter the location description to find the device in the plant. -
Page 104: Location Method
Operating menu and parameter description iTHERM TrustSens TM371, TM372 Location method Navigation Expert → Communication → HART info → Location method Description Use this function to select the data format for specifying the geographic location. The codes for specifying the location are based on the US National Marine Electronics Association (NMEA) Standard NMEA 0183. -
Page 105: Assign Tv
TrustSens TM371, TM372 Operating menu and parameter description Display Device temperature (Fixed assignment) Navigation Expert → Communication → HART output→ SV Description Use this function to display the secondary HART value Assign TV Navigation Expert → Communication → HART output → Assign TV Description Allocation of a measured variable to the tertiary HART value (TV). - Page 106 www.addresses.endress.com...
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