Endress+Hauser OTM311 Operating Instructions Manual
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Endress+Hauser OTM311 Operating Instructions Manual

4 to 20 ma / io-link compact thermometer
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BA01956O/09/EN/03.22-00
71564531
2022-03-31
Operating Instructions
4 to 20 mA / IO-Link compact
thermometer
OTM311

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  • Page 1 BA01956O/09/EN/03.22-00 71564531 2022-03-31 Operating Instructions 4 to 20 mA / IO-Link compact thermometer OTM311...

  • Page 3: Table Of Contents

    4 to 20 mA / IO-Link compact thermometer Table of contents Table of contents 10.4 Diagnostic list ......25 About this document .

  • Page 4: About This Document

    About this document 4 to 20 mA / IO-Link compact thermometer About this document Document function These Operating Instructions contain all the information required in the various life cycle phases of the device: from product identification, incoming acceptance and storage, to installation, connection, operation and commissioning, through to troubleshooting, maintenance and disposal.

  • Page 5: Registered Trademarks

    4 to 20 mA / IO-Link compact thermometer About this document Symbol Meaning Indicates additional information. Reference to documentation Reference to page Reference to graphic Notice or individual step to be observed … Series of steps Result of a step Help in the event of a problem Visual inspection 1.2.4...

  • Page 6: Basic Safety Instructions

    Basic safety instructions 4 to 20 mA / IO-Link compact thermometer Basic safety instructions Requirements for the personnel The personnel for installation, commissioning, diagnostics and maintenance must fulfill the following requirements: ‣ Trained, qualified specialists must have a relevant qualification for this specific function and task.

  • Page 7: Security

    4 to 20 mA / IO-Link compact thermometer Basic safety instructions IT security Our warranty is valid only if the device is installed and used as described in the Operating Instructions. The device is equipped with security mechanisms to protect it against any inadvertent changes to the settings.

  • Page 8: Product Description

    Product description 4 to 20 mA / IO-Link compact thermometer Product description A0040022 Electrical connection, output signal Transmitter, integrated (optional) Extension neck Process connection →  45 Thermowell Primary sensor assembly...

  • Page 9: Incoming Acceptance And Product

    4 to 20 mA / IO-Link compact thermometer Incoming acceptance and product identification Incoming acceptance and product identification Incoming acceptance Proceed as follows on receipt of the device: 1. Check whether the packaging is intact. 2. If damage is discovered: Report all damage immediately to the manufacturer.

  • Page 10: Name And Address Of Manufacturer

    • Compact thermometer • Printed copy of the Brief Operating Instructions • Accessories ordered Name and address of manufacturer Name of manufacturer: Endress+Hauser Wetzer GmbH + Co. KG Address of manufacturer: Obere Wank 1, D-87484 Nesselwang or www.endress.com Address of manufacturing plant:...

  • Page 11: Mounting

    4 to 20 mA / IO-Link compact thermometer Mounting Mounting Mounting requirements Information on the conditions that must be present at the mounting location to ensure correct use (e.g. ambient temperature, degree of protection, climate class, etc.) and information on the device dimensions →  32 5.1.1 Orientation No restrictions.
  • Page 12 Mounting 4 to 20 mA / IO-Link compact thermometer A0040345  3 Detailed installation instructions for hygiene-compliant installation (depends on version ordered) Milk pipe connection according to DIN 11851, only in conjunction with EHEDG-certified, self-centering sealing ring Sensor with milk pipe connection Groove slip-on nut Counterpart connection Centering ring...

  • Page 13: Mounting The Thermometer

    4 to 20 mA / IO-Link compact thermometer Mounting Pay attention to the following when installing the thermometer to ensure that the cleanability is not affected: 1. The installed sensor is suitable for CIP (cleaning in place). Cleaning is performed together with the pipe or tank.

  • Page 14: Post-Mounting Check

    Mounting 4 to 20 mA / IO-Link compact thermometer 2. The process connection and compression fitting must comply with the maximum specified process pressure. 3. Make sure that the device is installed and secured before applying the process pressure. 4. Adjust the loading capacity of the thermowell to the process conditions. 5.

  • Page 15: Electrical Connection

    4 to 20 mA / IO-Link compact thermometer Electrical connection Electrical connection Connection conditions If the 3-A Standard is required, electrical connecting cables must be smooth, corrosion-resistant and easy to clean. Connecting the measuring device NOTICE Damage to the device! ‣...

  • Page 16: Ensuring The Degree Of Protection

    Electrical connection 4 to 20 mA / IO-Link compact thermometer Ensuring the degree of protection The indicated degree of protection is ensured if the M12x1 cable connector meets the required degree of tightness. For compliance with IP69 protection, suitable device connecting cables with straight or elbowed connectors are available .

  • Page 17: Operation Options

    4 to 20 mA / IO-Link compact thermometer Operation options Operation options Protocol-specific data 7.1.1 IO-Link information IO-Link is a point-to-point connection for communication between the device and an IO- Link master. The IO-Link communication interface enables direct access to the process and diagnostic data.

  • Page 18: System Integration

    System integration 4 to 20 mA / IO-Link compact thermometer System integration Identification Device ID 0x030100 Vendor ID 0x0011 (17) Process data When the measuring device is operated in digital mode, the state of the switch output and the temperature value are transmitted in the form of process data via IO-Link. The signal is initially transmitted in the SIO-Mode (Standard IO-Mode).

  • Page 19: Reading And Writing Device Data

    4 to 20 mA / IO-Link compact thermometer System integration Process value Values Meaning Measured value status [bit 2 0 = Not limited Measured value without limit value violation - 1] 1 = Low limited Limit value violation at lower end 2 = High limited Limit value violation at upper end 3 = Constant...
  • Page 20 System integration 4 to 20 mA / IO-Link compact thermometer Identifier Index Index (hex) Size Data type Access Default value Value range Data (dec) (byte) storage Operating time 6148 0x1804 UInteger32 r/- – – Alarm delay 6147 0x1803 UInteger8 1 to 5 s Device status 0x0024 UInteger8...
  • Page 21 String TM311 Product Name 0x0012 String iTHERM CompactLine TM311 Product Text 0x0014 String Compact thermometer Vendor Name 0x0010 String Endress+Hauser Vendor Text 0x0011 String People for Process Automation Hardware Version 0x0016 String – Firmware version 0x0017 String – Device Access Locks...

  • Page 22: Commissioning

    Commissioning 4 to 20 mA / IO-Link compact thermometer Commissioning If an existing configuration is changed, measuring operation continues. Post-installation check Perform the following checks prior to commissioning the measuring point: 1. Perform the post-installation check using the checklist →  14. 2.

  • Page 23: Diagnostics And Troubleshooting

    4 to 20 mA / IO-Link compact thermometer Diagnostics and troubleshooting Diagnostics and troubleshooting 10.1 General troubleshooting Due to the device' s particular design, it cannot be repaired. Error Possible cause Solution ‣ Device is not responding. Supply voltage does not match the Apply correct voltage.

  • Page 24: Overview Of The Diagnostic Information

    Diagnostics and troubleshooting 4 to 20 mA / IO-Link compact thermometer 10.3 Overview of the diagnostic information Diagnostic Diagnostic IO-Link IO-Link Event text Reason Corrective measure message behavior Event Qualifier Event Code F001 Alarm IO-Link Error 0x1817 Device failure Device fault Restart the device.

  • Page 25: Diagnostic List

    4 to 20 mA / IO-Link compact thermometer Diagnostics and troubleshooting IO-Link The device displays warnings and faults via IO-Link. All the device warnings and faults are for information purposes only and do not have a safety function. The errors diagnosed by the device are displayed via IO-Link in accordance with NE107.

  • Page 26: Maintenance

    Maintenance 4 to 20 mA / IO-Link compact thermometer Maintenance No special maintenance work is required. 11.1 Cleaning The device must be cleaned whenever necessary. Cleaning can also be done when the device is installed (e.g. CIP Cleaning in Place / SIP Sterilization in Place). When cleaning the device, care must be taken to ensure that it is not damaged.

  • Page 27: Repair

    4 to 20 mA / IO-Link compact thermometer Repair Repair Due to the device' s particular design, it cannot be repaired. 12.1 Spare parts 1. Ask your supplier for information on available spare parts. 2. When ordering spare parts: Indicate the serial number of the device. Type Plug screw fitting G¹⁄₂, 1.4435 Spare part kit, pressure screw G¹⁄₂, d=6...

  • Page 28: Accessories

    Accessories 4 to 20 mA / IO-Link compact thermometer Accessories All dimensions in mm (in). 13.1 Device-specific accessories Accessories Description Welding boss with sealing taper • Collar welding boss movable with sealing taper, washer and pressure screw G½" • Material of parts in contact with the process 316L, PEEK 6 (0.24) •...
  • Page 29 4 to 20 mA / IO-Link compact thermometer Accessories Accessories Description Compression fitting • Movable clamping ring, process connection G½" • Material of compression fitting and parts in contact with the process, 316L 6 (0.24) G½” A0048609 1 AF14 2 AF27...
  • Page 30 Accessories 4 to 20 mA / IO-Link compact thermometer Accessories Description Welding boss with sealing taper (metal- • Welding boss for G½" or M12x1.5 thread metal) • Metal-sealing; conical • Material of parts in contact with the process 316L/1.4435 • Max. process pressure 16 bar (232 PSI) 30 (1.18) G½”...

  • Page 31: Communication-Specific Accessories

    4 to 20 mA / IO-Link compact thermometer Accessories Material 316L (1.4435) 316L (1.4435) 316L (1.4435) 316L (1.4435) 316L (1.4435) 316L (1.4435) Roughness μm (μin) process ≤1.5 (59.1) ≤0.8 (31.5) ≤0.8 (31.5) ≤0.8 (31.5) ≤0.8 (31.5) ≤0.8 (31.5) side Maximum process pressure for the weld-in adapters: •...

  • Page 32: Technical Data

    Technical data 4 to 20 mA / IO-Link compact thermometer Technical data 14.1 Input Measuring range Standard Pt100 –50 to +150 °C (–58 to +302 °F) Fast-response sensor –50 to +200 °C (–58 to +392 °F) 14.2 Output Output signal Version without integrated electronics Sensor output Pt100, 4-wire connection, class A...

  • Page 33: Power Supply

    4 to 20 mA / IO-Link compact thermometer Technical data Load = (U - 10 V) / 0.023 A (current Ω b max. b max. output) 15.75 V 24 V 10 V 30 V A0048582 Linearization/transmission Temperature - linear behavior Protocol-specific data →...

  • Page 34: Performance Characteristics

    Technical data 4 to 20 mA / IO-Link compact thermometer 14.4 Performance characteristics Reference operating Adjustment temperature 0 °C (32 °F) for sensor conditions (ice bath) Ambient temperature 25 °C ± 3 °C(77 °F ± 5 °F) for electronics range Supply voltage 24 V  ± 10 % ...
  • Page 35 4 to 20 mA / IO-Link compact thermometer Technical data Total measured error of transmitter at current output = √(Measured error digital² + Measured error D/A²) Sample calculation with Pt100, measuring range 0 to +150 °C (+32 to +302 °F), ambient temperature+25 °C (+77 °F), supply voltage24 V and sensor-transmitter matching: Measured error digital = 0.127 °C (0.229 °F) + 0.0074 % x [150 °C (302 °F) - (–50 °C (–58 °F))]: 0.14 °C (0.25 °F)

  • Page 36: Environment

    Technical data 4 to 20 mA / IO-Link compact thermometer Total measured error of transmitter at current output = √(Measured error digital² + Measured error D/A²) Response time T and T Tests in water at 0.4 m/s (1.3 ft/s) according to IEC 60751; temperature changes in increments of 10 K.

  • Page 37: Mechanical Construction

    4 to 20 mA / IO-Link compact thermometer Technical data • Maximum measured error under EMC tests: < 1 % of the span • Interference immunity according to IEC/EN 61326 series, requirements for industrial fields • Interference emission according to IEC/EN 61326 series, Class B equipment IO-Link Only the requirements of IEC/EN 61131-9 are met in I/O-Link mode.
  • Page 38 Technical data 4 to 20 mA / IO-Link compact thermometer Without thermowell (¼) (¼) (¼) (¼) (1/8) (1/8) A0040023 Thermometer with spring-loaded cap-nut, G3/8" thread 3 mm for existing thermowell Thermometer with spring-loaded NPT½" male thread 3 mm for existing thermowell Thermometer without process connection for compression fitting, with extension neck Thermometer with G½"...
  • Page 39 4 to 20 mA / IO-Link compact thermometer Technical data (¼) (¼) (¼) (¼) (¼) A0040024 Thermometer with Clamp ISO2852 for DN12 to 21.3, DN25 to 38, DN40 to 51 Thermometer with milk pipe connection DIN11851 for DN25/DN32/DN40/DN50 Thermometer with metal sealing system G½" Thermometer with G¾"...
  • Page 40 Technical data 4 to 20 mA / IO-Link compact thermometer With compression fitting A0040025 Thermometer with compression fitting spherical, PEEK/316L, sleeve, ⌀ 25 mm, for welding in Thermometer with compression fittingcylindrical, Elastosil sleeve, ⌀ 25 mm, for welding in Thermometer with compression fitting G½" external thread, 316L With thermowell diameter 6 mm (¹⁄₄...
  • Page 41 4 to 20 mA / IO-Link compact thermometer Technical data (¼) (¼) (¼) (¼) (¼) (¼) A0040027 Thermometer with Tri-Clamp version DN18 Thermometer with Clamp version DN12 to 21.3 Thermometer with Clamp version DN25 to 38/DN40 to 51 Thermometer with metal sealing system version, M12 × 1.5 Thermometer with metal sealing system version, G½"...
  • Page 42 Technical data 4 to 20 mA / IO-Link compact thermometer (¼) (¼) A0040086 Thermometer with compression fitting TK40 cylindrical, Elastosil sleeve, ⌀30 mm, for welding in Thermometer with compression fitting TK40 spherical, PEEK/316L sleeve, ⌀25 mm, for welding in Thermowell version as T-piece or elbow piece A0040028 Thermometer with tee thermowell Thermometer with elbow thermowell...
  • Page 43 4 to 20 mA / IO-Link compact thermometer Technical data Possible combinations of the thermowell versions with the available process connections Process connection and size Direct contact,6 mm (¹⁄₄ in) Thermowell,6 mm (¹⁄₄ in) Without process connection (for installation with ...
  • Page 44 Technical data 4 to 20 mA / IO-Link compact thermometer Process connection and size Direct contact,6 mm (¹⁄₄ in) Thermowell,6 mm (¹⁄₄ in) SMS 1147 DN25  DN38  DN51  Weight 0.2 to 2.5 kg (0.44 to 5.5 lbs) for standard versions Material The temperatures for continuous operation specified in the following table are only intended as reference values for use of the various materials in air and without any...
  • Page 45 4 to 20 mA / IO-Link compact thermometer Technical data Process connections Compression fitting Dimensions Screw-in version Version Technical properties di Across flats • P = 40 bar (104 psi) at T max. = +200 °C (+392 °F) for Approx. G½": 316L G ½"...
  • Page 46 Technical data 4 to 20 mA / IO-Link compact thermometer Dimensions Type Version G Technical properties L1 thread Across flats length M18x1.5 ½" NPT ANSI A0040091 Version Dimensions Type Technical properties d D a Clamp according to ISO 2852 Microclamp •...
  • Page 47 4 to 20 mA / IO-Link compact thermometer Technical data Type Technical properties Milk pipe connection according to DIN 11851 • 3-A marked and EHEDG certified (only with EHEDG certified and self-centering sealing ring) • ASME BPE compliance R0.4 R0.4 A0009561 Centering ring Sealing ring...
  • Page 48 Technical data 4 to 20 mA / IO-Link compact thermometer Dimensions Type Version G Technical properties L1 thread 1 (SW/AF) length Thread according to ISO 228 (for Liquiphant weld-in adapter) G¾" for FTL20/31/33 • P = 25 bar (362 psi) at adapter max.
  • Page 49 4 to 20 mA / IO-Link compact thermometer 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)
  • Page 50 Technical data 4 to 20 mA / IO-Link compact thermometer T-piece, optimized (no welding, no dead legs) Dimensions in mm (in) Type Version Technical properties D Series DN10 PN25 13 mm (0.51 in) DN15 PN25 19 mm (0.75 in) DN20 PN25 23 mm 1.5 mm (0.91 in)
  • Page 51 4 to 20 mA / IO-Link compact thermometer Technical data Elbow piece, optimized (no welding, no dead legs) Dimensions Type Version Technical properties D Series A DN10 PN25 13 mm 24 mm 1.5 mm (0.51 in) (0.95 in) (0.06 in) DN15 PN25 19 mm 25 mm...

  • Page 52: Certificates And Approvals

    Technical data 4 to 20 mA / IO-Link compact thermometer Direct contact, 6 mm (¹⁄₄ in) Thermowell, 6 mm (¹⁄₄ in) 6 (¼) 6 (¼) (0.13) A0040276 4.3 (0.17) A0039505 Please contact the supplier if you have any questions regarding the mechanical loading capacity as a function of the installation and process conditions.
  • Page 53 4 to 20 mA / IO-Link compact thermometer Technical data Material resistance Material resistance - including resistance of housing - to the following Ecolab cleaning/ disinfection agents: • P3-topax 66 • P3-topactive 200 • P3-topactive 500 • P3-topactive OKTO • And demineralized water...

  • Page 54: Overview Of The Io-Link Operating

    Overview of the IO-Link operating menu 4 to 20 mA / IO-Link compact thermometer Overview of the IO-Link operating menu The following tables list all the parameters that are contained in the operating menu. Depending on the parameter configuration, not all submenus and parameters are available in every device.
  • Page 55 4 to 20 mA / IO-Link compact thermometer Overview of the IO-Link operating menu Sensor simulation →  63 Sensor simulation value →  63 Switch output simulation →  64 ▸ Sensor temperature →  64 Sensor max value →...

  • Page 56: Description Of Device Parameters

    Overview of the IO-Link operating menu 4 to 20 mA / IO-Link compact thermometer ▸ System →  80 Operating time →  81 Alarm delay →  81 Restore Factory Settings →  81 DeviceAccessLocks.DataStorage →  82 Activate parametrization lock →...
  • Page 57 4 to 20 mA / IO-Link compact thermometer Overview of the IO-Link operating menu Application Specific Tag Navigation  Identification → Application Specific Tag Description Use this function to enter a unique name for the measuring point so it can be identified quickly within the plant.
  • Page 58 Overview of the IO-Link operating menu 4 to 20 mA / IO-Link compact thermometer Vendor Name  Navigation  Identification → Vendor Name Description Displays the manufacturer name User interface Character string comprising numbers, letters and special characters Additional information User role •...
  • Page 59 4 to 20 mA / IO-Link compact thermometer Overview of the IO-Link operating menu User interface Character string comprising numbers, letters and special characters Additional information User role • Operator • Maintenance • Specialist Order code Navigation  Identification → Order code Description Displays the order code User interface...
  • Page 60 Overview of the IO-Link operating menu 4 to 20 mA / IO-Link compact thermometer 15.1.2 Diagnosis Navigation  Diagnosis ▸ Diagnosis ▸ Diagnostic list →  60 ▸ Event logbook →  61 ▸ Simulation →  62 ▸ Sensor temperature →...
  • Page 61 4 to 20 mA / IO-Link compact thermometer Overview of the IO-Link operating menu Additional information User role • Operator • Maintenance • Specialist Actual diagnostics 3  Navigation  Diagnosis → Diagnostic list → Actual diagnostics 3 Description Displays the diagnostic message with the third-highest priority that is currently active. Additional information User role •...
  • Page 62 Overview of the IO-Link operating menu 4 to 20 mA / IO-Link compact thermometer Additional information User role Specialist Simulation Navigation  Diagnosis → Simulation ▸ Simulation Current output simulation →  62 Value current output →  63 Sensor simulation →...
  • Page 63 4 to 20 mA / IO-Link compact thermometer Overview of the IO-Link operating menu Value current output Navigation  Diagnosis → Simulation → Value current output Description Use this function to enter 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.
  • Page 64 Overview of the IO-Link operating menu 4 to 20 mA / IO-Link compact thermometer Additional information User role • Operator • Maintenance • Specialist Switch output simulation Navigation  Diagnosis → Simulation → Switch output simulation Description Use this function to enable and configure the simulation of the switch output. Selection •...
  • Page 65 4 to 20 mA / IO-Link compact thermometer Overview of the IO-Link operating menu Upper boundary operating time sensor →  67 Sensor max value Navigation  Diagnosis → Sensor temperature → Sensor max value Description Displays the maximum temperature measured in the past at the sensor input (maximum indicator).
  • Page 66 Overview of the IO-Link operating menu 4 to 20 mA / IO-Link compact thermometer Lower boundary operating time sensor Navigation  Diagnosis → Sensor temperature → Lower boundary operating time sensor Description Displays the operating time of the sensor in the lower process temperature boundary zone (Lower boundary).
  • Page 67 4 to 20 mA / IO-Link compact thermometer Overview of the IO-Link operating menu Lower Lower Upper Upper Standard boundary extended extended boundary -40 °C -25 °C 0 °C 40 °C 65 °C 85 °C °F) (-13 °F) (32 °F) °F) °F) °F)
  • Page 68 Overview of the IO-Link operating menu 4 to 20 mA / IO-Link compact thermometer Additional information User role Specialist Device temperature Navigation  Diagnosis → Device temperature ▸ Device temperature Device temperature →  68 Device temperature max →  68 Device temperature min →...
  • Page 69 4 to 20 mA / IO-Link compact thermometer Overview of the IO-Link operating menu Additional information User role • Operator • Maintenance • Specialist Device temperature min  Navigation  Diagnosis → Device temperature → Device temperature min Description Displays the minimum device temperature measured in the past (minimum indicator). Additional information User role •...
  • Page 70 Overview of the IO-Link operating menu 4 to 20 mA / IO-Link compact thermometer Lower extended operating time device  Navigation  Diagnosis → Device temperature → Lower extended operating time device Description Displays the operating time of the device in the lower ambient temperature range (Lower extended).
  • Page 71 4 to 20 mA / IO-Link compact thermometer Overview of the IO-Link operating menu Lower Lower Upper Upper Standard boundary extended extended boundary -40 °C -25 °C 0 °C 40 °C 65 °C 85 °C °F) (-13 °F) (32 °F) °F) °F) °F)
  • Page 72 Overview of the IO-Link operating menu 4 to 20 mA / IO-Link compact thermometer MDC Descriptor.Lower limit  Navigation  Diagnosis → Measuring data channel → MDC Descriptor.Lower limit Description Displays the lower value of the measuring range. According to Smart Sensor Profile 2 Edition.
  • Page 73 4 to 20 mA / IO-Link compact thermometer Overview of the IO-Link operating menu Additional information User role • Operator • Maintenance • Specialist 15.1.3 Parameters Navigation  Parameter ▸ Parameter ▸ Application →  73 ▸ System →  80 Application Navigation ...
  • Page 74 Overview of the IO-Link operating menu 4 to 20 mA / IO-Link compact thermometer Selection • °C • °F • K Factory setting °C Additional information User role • Operator • Maintenance • Specialist Damping Navigation  Parameter → Application → Sensor → Damping Description Use this function to enter the time constant for measured value damping.
  • Page 75 4 to 20 mA / IO-Link compact thermometer Overview of the IO-Link operating menu Switch output Navigation  Parameter → Application → Switch output ▸ Switch output Operating mode →  75 Switch point value →  76 Switchback point value →...
  • Page 76 Overview of the IO-Link operating menu 4 to 20 mA / IO-Link compact thermometer Hysteresis normally open Hysteresis normally closed Off Off A0040967 A0040371 1.1 Input variable 2.1 Input variable 1.2 Switch output 2.2 Switch output Switch point (SP) Switch point (SP) Switchback point (RSP) Switchback point (RSP) Hysteresis...
  • Page 77 4 to 20 mA / IO-Link compact thermometer Overview of the IO-Link operating menu Additional information User role • Operator • Maintenance • Specialist Switchback point value Navigation  Parameter → Application → Switch output → Switchback point value Description Use this function to enter the switchback point (RSP) for the hysteresis/lower switch point for the window function.
  • Page 78 Overview of the IO-Link operating menu 4 to 20 mA / IO-Link compact thermometer Additional information User role • Operator • Maintenance • Specialist Current output Navigation  Parameter → Application → Current output ▸ Current output 4 mA value →...
  • Page 79 4 to 20 mA / IO-Link compact thermometer Overview of the IO-Link operating menu 20 mA value Navigation  Parameter → Application → Current output → 20 mA value Description Use this function to enter the temperature value that is to correspond to the 20 mA value. It is possible to invert the current output by changing the assignment of the start/end of the measuring range.
  • Page 80 Overview of the IO-Link operating menu 4 to 20 mA / IO-Link compact thermometer Additional information User role • Operator • Maintenance • Specialist Failure mode Navigation  Parameter → Application → Current output → Failure mode Description Use this function to select the signal on alarm level of the current output in the event of an error.
  • Page 81 4 to 20 mA / IO-Link compact thermometer Overview of the IO-Link operating menu Alarm delay →  81 Restore Factory Settings →  81 DeviceAccessLocks.DataStorage →  82 Activate parametrization lock →  82 Deactivate parametrization lock →  82 Operating time ...
  • Page 82 Overview of the IO-Link operating menu 4 to 20 mA / IO-Link compact thermometer Additional information User role • Operator • Maintenance • Specialist DeviceAccessLocks.DataStorage Navigation  Parameter → System → DeviceAccessLocks.DataStorage Description Use this function to lock data storage. Standard function of IO-Link. Selection •...
  • Page 83 4 to 20 mA / IO-Link compact thermometer Overview of the IO-Link operating menu 15.1.4 Observation Navigation  Observation ▸ Observation ▸ Process Data Input →  83 Process Data Input Navigation  Observation → Process Data Input ▸ Process Data Input Process Data Input.
  • Page 84 Overview of the IO-Link operating menu 4 to 20 mA / IO-Link compact thermometer Process Data Input. Switch output Navigation  Observation → Process Data Input → Process Data Input. Switch output Description Displays the current switch status. User interface •...
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