Siemens SITRANS LR250 Compact Operating Instructions
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Siemens SITRANS LR250 Compact Operating Instructions

Siemens SITRANS LR250 Compact Operating Instructions

Radar transmitters ma/hart
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Compact operating instructions
SITRANS
Radar transmitters
SITRANS LR250 (mA/HART)
Edition
06/2018
www.siemens.com/processautomation

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Summary of Contents for Siemens SITRANS LR250

  • Page 1 Compact operating instructions SITRANS Radar transmitters SITRANS LR250 (mA/HART) Edition 06/2018 www.siemens.com/processautomation...
  • Page 3 Introduction Safety information Description SITRANS Installing/mounting Radar Transmitters LR250 (mA/HART) Connecting Commissioning Compact Operating Instructions Remote operation Service and maintenance Technical data Appendix - Certificates and support 06/2018 A5E33469191-AB...
  • Page 4 Note the following: WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. If products and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems.

  • Page 5: Table Of Contents

    2.1.4 Industry Canada conformity....................10 2.1.5 Conformity with European directives..................10 Improper device modifications....................11 Requirements for special applications...................11 Use in hazardous areas......................12 Description..............................13 SITRANS LR250 overview.....................13 Installing/mounting............................15 Basic safety information......................15 4.1.1 Unsuitable cables, cable glands and/or plugs................16 4.1.2 Pressure applications......................16 4.1.2.1 Pressure Equipment Directive, PED, 14/68/EU..............17 Installation location requirements...................17...
  • Page 6 Table of contents Connecting..............................27 Basic safety information......................27 Connecting SITRANS LR250....................27 Wiring setups for hazardous area installations..............29 5.3.1 Intrinsically safe wiring......................30 5.3.2 Non-sparking wiring.......................30 5.3.3 Flameproof wiring........................31 5.3.4 Increased safety wiring......................31 Instructions specific to hazardous area installations..............32 5.4.1 (Reference European ATEX Directive 2014/34/EU)..............32 Commissioning............................35...

  • Page 7: Introduction

    Introduction LR250 mA/HART manual usage Note This manual applies to the SITRANS LR250 mA/HART version only. HART is a registered ® trademark of the HART Communication Foundation. Technical publications Follow these operating instructions for quick, trouble-free installation, and maximum accuracy and reliability of your device.

  • Page 8: Checking The Consignment

    In order to protect plants, systems, machines and networks against cyber threats, it is necessary to implement – and continuously maintain – a holistic, state-of-the-art industrial security concept. Siemens’ products and solutions only form one element of such a concept. Customer is responsible to prevent unauthorized access to its plants, systems, machines and networks.

  • Page 9: Transportation And Storage

    The content reflects the technical status at the time of publishing. Siemens reserves the right to make technical changes in the course of further development.
  • Page 10 Introduction 1.7 Notes on warranty LR250 (mA/HART) Compact Operating Instructions, 06/2018, A5E33469191-AB...

  • Page 11: Safety Information

    Improper device modifications Danger to personnel, system and environment can result from improper modifications to the device. ● Changes or modifications not expressly approved by Siemens could void the user’s authority to operate the equipment. LR250 (mA/HART) Compact Operating Instructions, 06/2018, A5E33469191-AB...

  • Page 12: Industry Canada Conformity

    Safety information 2.1 Preconditions for safe use Note ● This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.

  • Page 13: Improper Device Modifications

    If you need additional information not covered by these instructions, contact your local Siemens office or company representative. Note Operation under special ambient conditions...

  • Page 14: Use In Hazardous Areas

    Safety information 2.4 Use in hazardous areas Use in hazardous areas Qualified personnel for hazardous area applications Persons who install, connect, commission, operate, and service the device in a hazardous area must have the following specific qualifications: ● They are authorized, trained or instructed in operating and maintaining devices and systems according to the safety regulations for electrical circuits, high pressures, aggressive, and hazardous media.

  • Page 15: Description

    Loss of protection Danger to personnel, system and environment can result from improper use of the device. ● SITRANS LR250 is to be used only in the manner outlined in this manual, otherwise protection provided by the device may be impaired.
  • Page 16 Description 3.1 SITRANS LR250 overview LR250 (mA/HART) Compact Operating Instructions, 06/2018, A5E33469191-AB...

  • Page 17: Installing/Mounting

    Basic safety information Note Material compatibility Siemens can provide you with support concerning selection of sensor components wetted by process media. However, you are responsible for the selection of components. Siemens accepts no liability for faults or failures resulting from incompatible materials.

  • Page 18: Unsuitable Cables, Cable Glands And/Or Plugs

    Installing/mounting 4.1 Basic safety information 4.1.1 Unsuitable cables, cable glands and/or plugs WARNING Unsuitable cables, cable glands and/or plugs Risk of explosion in hazardous areas. ● Use only cable glands/plugs that comply with the requirements for the relevant type of protection.

  • Page 19: Pressure Equipment Directive, Ped, 14/68/Eu

    4.1.2.1 Pressure Equipment Directive, PED, 14/68/EU Siemens Level Transmitters with flanged, threaded, or sanitary clamp type process mounts have no pressure-bearing housing of their own and, therefore, do not come under the Pressure Equipment Directive as pressure or safety accessories (see EU Commission Guideline A-08 and A-20).

  • Page 20: Proper Mounting

    Installing/mounting 4.3 Proper mounting CAUTION Direct sunlight Device damage. The device can overheat or materials become brittle due to UV exposure. ● Protect the device from direct sunlight. ● Make sure that the maximum permissible ambient temperature is not exceeded. Refer to the information in Technical data (Page 53).

  • Page 21: Nozzle Design

    ● An antenna extension (100 mm/3.93") is available for the horn antenna only. ● When installing the SITRANS LR250 with hygienic process connection, it is good hygienic practice to install the antenna in a nozzle that has a maximum length/diameter ratio of 1:1.
  • Page 22 Installing/mounting 4.3 Proper mounting Preferred Undesirable Beam angle Note ● Beam width depends on antenna size and is approximate: see table below. ● Beam angle is the width of the cone where the energy density is half of the peak energy density.
  • Page 23 Installing/mounting 4.3 Proper mounting Emission cone type and beam angle Antenna type Antenna size Beam angle Horn 1.5" 19° 2" 15° 3" 10° 4" 8° Threaded PVDF 19° Process connection Process connection type size Flanged encapsulated 2" Class 150 ASME B16.5 12.8°...

  • Page 24: Installation Instructions

    Installing/mounting 4.4 Installation instructions Installation instructions WARNING Pressure applications Danger to personnel, system and environment can result from improper installation. ● Improper installation may result in loss of process pressure. WARNING Improper installation Danger to personnel, system and environment can result from improper installation. ●...

  • Page 25: Threaded Versions

    Installing/mounting 4.4 Installation instructions 4.4.1 Threaded versions WARNING Pressure applications Danger of injury or poisoning. It may be necessary to use PTFE tape or other appropriate thread sealing compound, and to tighten the process connection beyond hand-tight. (The maximum recommended torque for Threaded versions is 40 N-m (30 ft.lbs.) 1.
  • Page 26 Installing/mounting 4.4 Installation instructions 1-3-2-4 1-5-3-7 2-6-4-8 Flange bolting instructions: 1. Use cross-pattern sequence as shown. 2. Check uniformity of the flange gap. 3. Apply adjustments by selective tightening if required. 4. Torque incrementally until desired value is reached. 5. Check/re-torque after 4 to 6 hours. Recommendations for flange bolting: ●...

  • Page 27: Hygienic Versions

    Installing/mounting 4.4 Installation instructions 4.4.3 Hygienic versions WARNING Loss of sanitary approvals Loss of sanitary approvals can result from improper installation/mounting. ● Take special care when installing in hygienic or sanitary applications. Comply with installation/mounting guidelines to ensure cleanliness and the ability to keep the wetted parts in a position to be readily cleanable.

  • Page 28: Disassembly

    Installing/mounting 4.5 Disassembly Disassembly DANGER Pressure applications Danger to personnel, system and environment will result from improper disassembly. ● Never attempt to loosen, remove, or disassemble process connection while vessel contents are under pressure. WARNING Incorrect disassembly The following risks may result from incorrect disassembly: - Injury through electric shock - Risk through emerging media when connected to the process - Risk of explosion in hazardous area...

  • Page 29: Connecting

    PE/ground conductor connection of the socket and power plug match each other. ● Connecting terminals: Connect the terminals according to the terminal connection diagram. First connect the PE/ground conductor. Connecting SITRANS LR250 WARNING Incorrect connection to power source Risk to personnel, system and environment can result from improper power connection.
  • Page 30 Connecting 5.2 Connecting SITRANS LR250 WARNING Loss of protection Loss of approvals can result from improper connection. ● Check the nameplate on your device, to verify the approval rating. ● Use appropriate cable entry seals to maintain IP or NEMA rating.

  • Page 31: Wiring Setups For Hazardous Area Installations

    Typical PLC/mA configuration with HART ① ④ Power supply Active PLC ② ⑤ SITRANS LR250 HART modem ③ ⑥ R = 250 Ω HART communicator Note ● Depending on the system design, the power supply may be separate from the PLC, or integral to it.

  • Page 32: Intrinsically Safe Wiring

    Nom., 30 V Max., 4 - 20 mA WARNING: Use Cable Rated > 100°C DNV 12.0087 X Siemens Milltronics Process Instruments, Peterborough ATENÇÃO - RISCO POTENCIAL DE CARGA ELETROSTÁTICA - VEJA INSTRUÇÕES - UTILIZAR CABOS ADEQUADOS PARA TEMPERATURAS > 100°C BOX 3 ①...

  • Page 33: Flameproof Wiring

    Max., 4 - 20 mA HART ATENÇÃO: – ÃO ABRA QUANDO ENERGIZADO WARNING: – De-Energize Before Removing Cover Siemens Milltronics Process Instruments, Peterborough – UTILIZAR CABOS ADEQUADOS PARA – Use Cable Rated >100°C TEMPERATURAS > 100 °C ① ATEX certificate The ATEX certificate listed on the nameplate can be downloaded from our website: Product page (http://www.siemens.com/LR250)

  • Page 34: Instructions Specific To Hazardous Area Installations

    In the event of rare incidents, ignition sources due to impact and friction sparks could occur. This shall be considered when the SITRANS LR250 mA/HART is being installed in locations that specifically require group II, level of protection Ga or Da.
  • Page 35 ● The equipment shall be bonded to the system earth in accordance with the relevant code of practice. ● When the SITRANS LR250 mA/HART is used in the presence of combustible dust, the gland that is fitted to the equipment shall also be suitable for use in the presence of combustible dust, as certified by an ATEX notified body, in addition, the installation of the gland shall not compromise the IP6X rating of the equipment enclosure.
  • Page 36 Connecting 5.4 Instructions specific to hazardous area installations LR250 (mA/HART) Compact Operating Instructions, 06/2018, A5E33469191-AB...

  • Page 37: Commissioning

    Programming SITRANS LR250 ● See Quick Start Wizard via the handheld programmer (Page 43). Activating SITRANS LR250 Power up the device. SITRANS LR250 automatically starts up in Measurement mode. Press Mode to toggle between Measurement and Program mode. LR250 (mA/HART)

  • Page 38: The Lcd Display

    Commissioning 6.2 Programming SITRANS LR250 6.2.1 The LCD display Measurement mode display Normal operation LEVEL 18.91 21.40 C DATA EXCH. ① Toggle indicator for linear units or % ② Selected operation: level, space, distance, or volume ③ Measured value (level, space, distance, or volume) ④...

  • Page 39: Device Status Icons

    Commissioning 6.2 Programming SITRANS LR250 PROGRAM mode display Navigation view SIGNAL PROC.. 2.8.7 ECHO SELECT SAMPLING ECHO QUALITY TVT SETUP ① ④ Item band Current item number ② ⑤ Menu bar Current item ③ Current menu ● A visible menu bar indicates the menu list is too long to display all items.

  • Page 40: Handheld Programmer (Part No. 7Ml1930-1Bk)

    Commissioning 6.2 Programming SITRANS LR250 6.2.3 Handheld programmer (Part No. 7ML1930-1BK) The programmer is ordered separately. The handheld programmer used with this device contains lithium batteries that are non- replaceable. Lithium batteries are primary power sources with high energy content designed to provide the highest possible degree of safety.

  • Page 41: Programming Via The Handheld Programmer

    Commissioning 6.2 Programming SITRANS LR250 Function Result Updates echo confidence value New value is displayed in LCD secondary re‐ gion. Updates distance measurement Mode opens PROGRAM mode Opens the menu level last displayed in this power cycle, unless power has been cycled...
  • Page 42 Commissioning 6.2 Programming SITRANS LR250 1. QUICK START 2. SETUP 2.1. DEVICE .... 2.7. LINEARIZATION 2.7.1. VOLUME 2.7.1.1. VESSEL SHAPE 1. Enter PROGRAM mode ● Point the programmer at the display from a maximum distance of 300 mm (1 ft).
  • Page 43 Commissioning 6.2 Programming SITRANS LR250 Name Menu level Function UP or DOWN arrow menu or param‐ Scroll to previous or next menu or param‐ eter eter RIGHT arrow menu Go to first parameter in the selected menu, or open next menu.
  • Page 44 Commissioning 6.2 Programming SITRANS LR250 The LCD returns to parameter view and displays the new selection. LOW CALIB. PT. LOW CALIB. PT. 20.00 20.00 PREVIOUS +20.00 BACK EDIT NEXT ① ② ③ Parameter name Parameter number Current selection Key functions in edit mode...

  • Page 45: Quick Start Wizard Via The Handheld Programmer

    Commissioning 6.2 Programming SITRANS LR250 Name Function Plus or minus sign Numeric ed‐ Changes the sign of the entered value. iting Numeral Numeric ed‐ Enters the corresponding character. iting 6.2.5 Quick Start Wizard via the handheld programmer Parameter menus Note For the complete list of parameters with instructions, and Dimension drawings, see the full operating instructions.
  • Page 46 Commissioning 6.2 Programming SITRANS LR250 Material Selects the appropriate echo processing algorithms for the material [see Position Detect (2.8.4.2.) for more detail]. Options LIQUID LIQUID LOW DK (low dielectric liquid – CLEF algorithm enabled) dK < 3.0 Response Rate Sets the reaction speed of the device to measurement changes in the target range. Use a setting just faster than the maximum filling or emptying rate (whichever is greater).
  • Page 47 Commissioning 6.2 Programming SITRANS LR250 Operation Operation Description NO SERVICE Measurement and associated loop current are not updated, and the device defaults to Fail-safe mode LEVEL Distance to material surface referenced from Low Calibration Point SPACE Distance to material surface referenced from High Calibration Point...
  • Page 48 BACK, CANCEL, FINISH (Display returns to 1.1 Quick Start Wiz menu when Quick Start is successfully completed.) Press DOWN arrow (Finish). Then press LEFT arrow to return to Measurement mode. SITRANS LR250 is now ready to operate. LR250 (mA/HART) Compact Operating Instructions, 06/2018, A5E33469191-AB...

  • Page 49: Remote Operation

    ● We recommend that you use SIMATIC Process Device Manager (PDM) to program your device. ● Application Guides for setting up HART devices with SIMATIC PDM can be downloaded from our website at: Product page (http://www.siemens.com/LR250) under Support. LR250 (mA/HART) Compact Operating Instructions, 06/2018, A5E33469191-AB...
  • Page 50 Remote operation 7.1 SITRANS Communications: HART LR250 (mA/HART) Compact Operating Instructions, 06/2018, A5E33469191-AB...

  • Page 51: Service And Maintenance

    Service and maintenance Basic safety information WARNING Impermissible repair of the device ● Repair must be carried out by Siemens authorized personnel only. CAUTION Releasing button lock Improper modification of parameters could influence process safety. ● Make sure that only authorized personnel may cancel the button locking of devices for safety-related applications.

  • Page 52: Maintenance And Repair Work

    Service and maintenance 8.3 Maintenance and repair work WARNING Electrostatic charge Danger of explosion in hazardous areas if electrostatic charges develop, for example, when cleaning plastic surfaces with a dry cloth. ● Prevent electrostatic charging in hazardous areas. Maintenance and repair work The device is maintenance-free.

  • Page 53: Unit Repair And Excluded Liability

    Replacing the antenna Changing to a different antenna type may be performed by a Siemens authorized repair center or personnel. If the electronics or enclosure require replacement due to damage or failure, please ensure the correct antenna version is used, otherwise a re-calibration will need to be performed by Siemens authorized personnel.

  • Page 54: Disposal

    Further information about devices containing batteries can be found at: In‐ formation about battery / product return (WEEE) (https:// support.industry.siemens.com/cs/document/109479891/) Return procedure Enclose the bill of lading, return document and decontamination certificate in a clear plastic pouch and attach it firmly to the outside of the packaging. Any devices/replacement parts which are returned without a decontamination declaration will be cleaned at your expense before further processing.

  • Page 55: Technical Data

    Technical data Note Device specifications Siemens makes every attempt to ensure the accuracy of these specifications but reserves the right to change them at any time. For a complete listing, including Approvals, see the full operating instructions. Note ● The maximum temperature is dependent on the process connection, antenna materials, and vessel pressure.

  • Page 56: Power

    Technical data 9.1 Power Power General Purpose Intrinsically Safe Nominal 24 V DC at 550 Ohm Non-Sparking Non-incendive (FM/CSA US/Canada only) Flameproof Increased Safety Nominal 24 V DC at 250 Ohm Explosion-proof (FM/CSA US/Canada only) ● Maximum 30 V DC ●...

  • Page 57: Appendix - Certificates And Support

    In addition to our documentation, Siemens provides a comprehensive support solution at: ● Services & Support (http://www.siemens.com/automation/service&support) Personal contact If you have additional questions about the device, please contact your Siemens personal contact at: ● Partner (http://www.automation.siemens.com/partner) To find the personal contact for your product, go to "All Products and Branches" and select "Products &...
  • Page 58 Appendix - Certificates and support 10.2 Certificates LR250 (mA/HART) Compact Operating Instructions, 06/2018, A5E33469191-AB...

  • Page 59: Index

    Index ambient temperature, 54 handheld programmer antenna edit mode, 41 replacement, 51 navigation, 40 Hazardous area Qualified personnel, 12 hazardous area installations wiring requirements, 29 bolting instructions, 24 Hotlline, (Refer to Support request) cables installation requirements, 28 hazardous area requirements, 29 Certificates, 55 requirements, 22 cleaning...
  • Page 60 Index Manuals, 55 Service & Support, 55 Modifications Internet, 55 correct usage, 11 Support, 55 improper, 11 Support request, 55 mounting handheld programmer access, 21 housing construction, 18 nozzle design, 19 nozzle location, 19 process connection, 54 Technical data, 53 power, Technical Support, 55 nameplate, 54...

  • Page 62: For More Information

    For more information Level measurement: www.siemens.com/level Weighing and batching systems: www.siemens.com/weighing Siemens AG Process Industries and Drives Process Automation 76181 Karlsruhe Germany © Siemens AG 2018 Subject to change without prior notice Printed in Canada A5E33469191-AB...

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