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Siemens SITRANS L Operating Instructions Manual

Radar transmitters
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Edition
10/2023
Operating Instructions
SITRANS L
Radar transmitters
SITRANS LR120, HART
https://www.siemens.com/processautomation

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Summary of Contents for Siemens SITRANS L

  • Page 1 Edition 10/2023 Operating Instructions SITRANS L Radar transmitters SITRANS LR120, HART https://www.siemens.com/processautomation...
  • Page 2 Preface Introduction Safety notes SITRANS L Description Radar transmitters SITRANS LR120, HART Installing/mounting Connecting Operating Instructions Access protection Setup with smart device (Bluetooth) Operating Setup with SIMATIC PDM Diagnostics and troubleshooting Service and maintenance Certificates and approvals Technical data and...
  • Page 3 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 4: Table Of Contents

    Table of contents Preface ............................v Introduction ........................... 1 Function ........................ 1 Target group ......................1 Symbols used ......................1 Safety notes .......................... 3 Authorised personnel .................... 3 Appropriate use ....................3 Warning about incorrect use ................. 3 General safety instructions ..................3 Radar frequencies for worldwide use ..............
  • Page 5 Table of contents Setup with smart device (Bluetooth) .................. 23 Connecting ......................23 Operating ..........................25 Setup with SIMATIC PDM EDD .................... 31 Setup with SIMATIC PDM EDD ................31 Diagnostics and troubleshooting ..................35 10.1 Maintenance ....................... 35 10.2 Rectify faults ....................... 35 10.3 Diagnosis, fault messages ...................

  • Page 6: Preface

    Preface Safety instructions for Ex areas: WARNING Take note of the Ex specific safety instructions for Ex applications. These instructions are attached as documents to each transmitter with Ex approval and are part of the operating instructions. Editing status: 2023-10-26 SITRANS LR120, HART Operating Instructions, 10/2023, A5E49829026...
  • Page 7 Preface SITRANS LR120, HART Operating Instructions, 10/2023, A5E49829026...

  • Page 8: Introduction

    Introduction Function This instruction provides all the information you need for mounting, connection and setup as well as important instructions for maintenance, fault rectification, safety and the exchange of parts. Please read this information before putting the transmitter into operation and keep this manual accessible in the immediate vicinity of the device.
  • Page 9 Introduction 1.3 Symbols used Ex applications This symbol indicates special instructions for Ex applications. • List The dot set in front indicates a list with no implied sequence. Sequence of actions Numbers set in front indicate successive steps in a procedure. Disposal This symbol indicates special instructions for disposal.

  • Page 10: Safety Notes

    Safety notes Authorised personnel All operations described in this documentation must be carried out only by trained and authorized personnel. During work on and with the device, the required personal protective equipment must always be worn. Appropriate use SITRANS LR120 is a transmitter for continuous level measurement. You can find detailed information about the area of application in chapter ""Product description".

  • Page 11: Radar Frequencies For Worldwide Use

    A Class 2 power supply unit has to be used for the installation in the USA and Canada. Security information Siemens provides products and solutions with industrial security functions that support the secure operation of plants, systems, machines and networks. 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.
  • Page 12 Use of product versions that are no longer supported, and failure to apply the latest updates may increase customer’s exposure to cyber threats. To stay informed about product updates, subscribe to the Siemens Industrial Security RSS Feed under: https://www.siemens.com/industrialsecurity...
  • Page 13 Safety notes 2.7 Security information SITRANS LR120, HART Operating Instructions, 10/2023, A5E49829026...

  • Page 14: Description

    Description Configuration Scope of delivery The scope of delivery encompasses: • SITRANS LR120 radar transmitter • Information sheet ""Documents and software" with: • Transmitter serial number • QR code with link for direct scanning • Information sheet ""Device Bluetooth and Parameter Access Codes" with: •...

  • Page 15: Principle Of Operation

    The frequency change is proportional to the distance and is converted into the level. Adjustment Wireless adjustment Devices with integrated Bluetooth module can be adjusted wirelessly via Siemens mobile IQ app. SITRANS LR120, HART Operating Instructions, 10/2023, A5E49829026...

  • Page 16: Packaging, Transport And Storage

    Description 3.4 Packaging, transport and storage Transmitter Smart device Figure 3.2 Wireless connection to standard operating devices with integrated Bluetooth LE Adjustment via the signal cable Devices with signal output 4 … 20 mA/HART can also be operated via a signal cable. This is done via an interface adapter and a PC/notebook using SIMATIC PDM. Transmitter HART resistance 250 Ω...

  • Page 17: Accessories

    Description 3.5 Accessories Transport Transport must be carried out in due consideration of the notes on the transport packaging. Nonobservance of these instructions can cause damage to the device. Transport inspection The delivery must be checked for completeness and possible transit damage immediately at receipt.

  • Page 18: Installing/Mounting

    Installing/mounting General instructions Ambient conditions The transmitter is suitable for standard and extended ambient conditions acc. to DIN/ EN/BS EN/IEC/ANSI/ISA/UL/CSA 61010-1. It can be used indoors as well as outdoors. Process conditions Note For safety reasons, the transmitter must only be operated within the permissible process conditions.

  • Page 19: Mounting Instructions

    Installing/mounting 4.3 Mounting instructions Figure 4.1 Mounting via a mounting bracket Mounting instructions Installation position When mounting the device, keep a distance of at least 200 mm (7.874 in) from the vessel wall. If the device is installed in the center of dished or round vessel tops, multiple echoes can arise.
  • Page 20 Installing/mounting 4.3 Mounting instructions Reference point Figure 4.3 Reference point Inflowing medium Do not mount the transmitters in or above the filling stream. Make sure that you detect the medium surface, not the inflowing product. Figure 4.4 Mounting of the radar transmitter with inflowing medium Nozzle For nozzle mounting, the nozzle should be as short as possible and its end rounded.
  • Page 21 Installing/mounting 4.3 Mounting instructions Figure 4.6 Nozzle mounting with deviating nozzle dimensions Nozzle diameter d Nozzle length h 80 mm 3" ≤ 300 mm ≤ 11.8 in 100 mm 4" ≤ 400 mm ≤ 15.8 in 150 mm 6" ≤ 600 mm ≤ 23.6 in Alignment - Liquids In liquids, direct the device as perpendicular as possible to the medium surface to achieve optimum measurement results.

  • Page 22: Measurement Setup - Flow

    Installing/mounting 4.4 Measurement setup - Flow Foam generation Through the action of filling, stirring and other processes in the vessel, foams which considerably damp the emitted signals may form on the medium surface. If foams lead to measurement errors, you should use transmitters with guided radar. Measurement setup - Flow Mounting In general, the following must be observed while mounting the device:...
  • Page 23 Installing/mounting 4.4 Measurement setup - Flow If the flow formula of your flume is known, you should select this option, as the accuracy of the flow measurement is highest here. • Flow formula: Q = k x h Manufacturer definition: If you use a Parshall flume from the manufacturer ISCO, this option must be selected. This gives you a high accuracy of flow measurement with easy configuration.
  • Page 24 Installing/mounting 4.4 Measurement setup - Flow Khafagi-Venturi flume Position transmitter Venturi flume Figure 4.10 Flow measurement with Khafagi-Venturi flume: h = max. filling of the flume; B = max. tightest constriction in the flume SITRANS LR120, HART Operating Instructions, 10/2023, A5E49829026...
  • Page 25 Installing/mounting 4.4 Measurement setup - Flow SITRANS LR120, HART Operating Instructions, 10/2023, A5E49829026...

  • Page 26: Connecting

    Connecting Preparing the connection Safety instructions Always keep in mind the following safety instructions: • Carry out electrical connection by trained, qualified personnel authorised by the plant operator WARNING Only connect or disconnect in de-energized state. Voltage supply The data for power supply are specified in chapter ""Technical data". Note Power the transmitter via an energy-limited circuit (power max.

  • Page 27: Wiring Plan

    Connecting 5.2 Wiring plan Cable screening and grounding It is recommended to connect the cable screening to ground potential on the supply side. Wiring plan Wire assignment, connection cable Figure 5.1 Wire assignment in permanently connected connection cable   Wire colour Function Polarity Black Voltage supply, signal output...

  • Page 28: Access Protection

    Access protection Bluetooth radio interface Devices with a Bluetooth radio interface are protected against unwanted access from outside. This means that only authorized persons can receive measured and status values and change device settings via this interface. Bluetooth PIN A Bluetooth PIN is required to establish Bluetooth communication via the adjustment tool (smartphone/tablet/notebook).
  • Page 29 Access protection 6.2 Protection of the parameterization Device Access PUK The Device Access PUK allows unlocking the device in case the user PIN is no longer known. It can't be changed. The Device Access PUK can also be found on the supplied information sheet ""Device Bluetooth and Parameter Access Codes".

  • Page 30: Setup With Smart Device (Bluetooth)

    Setup with smart device (Bluetooth) Connecting Connecting Start the adjustment app. The smart device searches automatically for Bluetooth- capable transmitters in the area. The devices found are listed. Select the requested transmitter in the device list. Authenticate When establishing the connection for the first time, the operating tool and the transmitter must authenticate each other.
  • Page 31 Setup with smart device (Bluetooth) 7.1 Connecting SITRANS LR120, HART Operating Instructions, 10/2023, A5E49829026...

  • Page 32: Operating

    Operating To configure the device: Download and install the SITRANS mobile IQ app from the App store to your mobile device. Launch the app. Devices in range will appear. Click on the device you wish to connect to. On first connection, a PIN code shipped with the device needs to be entered (see Device Bluetooth and Parameter Access Codes sheet).
  • Page 33 Operating Use the Setup/Quick Commissioning to configure the transmitter for your application type. SITRANS LR120, HART Operating Instructions, 10/2023, A5E49829026...
  • Page 34 Operating SITRANS LR120, HART Operating Instructions, 10/2023, A5E49829026...
  • Page 35 Operating SITRANS LR120, HART Operating Instructions, 10/2023, A5E49829026...
  • Page 36 Operating • Mode 1: EU, Albania, Andorra, Azerbaijan, Australia, Belarus, Bosnia and Herzegovina, Canada, Liechtenstein, Morocco, Moldavia, Monaco, Montenegro, New Zealand, Northern Macedonia, Norway, San Marino, Saudi Arabia, Serbia, South Africa, Switzerland, Turkey, Ukraine, United Kingdom, USA • Mode 2: Brazil, Japan, South Korea, Taiwan, Thailand •...
  • Page 37 Operating SITRANS LR120, HART Operating Instructions, 10/2023, A5E49829026...

  • Page 38: Setup With Simatic Pdm Edd

    SIMATIC PDM is a software package used to commission and maintain process devices: https://support.industry.siemens.com/cs/ww/en/view/109755005 Check the support page of our website to make sure you have the latest version of SIMATIC PDM, the most recent Service Pack (SP) and the most recent hot fix (HF). Go Software downloads: http://www.siemens.com/processtransmitteration/downloads...
  • Page 39 Setup with SIMATIC PDM EDD 9.1 Setup with SIMATIC PDM EDD Figure 9.1 PDM structure view EDD offline, start Figure 9.2 PDM structure view EDD offline, continuation Procedure Select ""Device / Wizard > Quick Start" to perform the initial commissioning. Follow the guided commissioning steps according to your specific application. SITRANS LR120, HART Operating Instructions, 10/2023, A5E49829026...
  • Page 40 Setup with SIMATIC PDM EDD 9.1 Setup with SIMATIC PDM EDD Figure 9.3 PDM quick setup wizard Select ""Device > Echo profile utilities" to confirm the signal quality. Select the curves to be loaded into the echo profile view, then select ""Load selected curves". Curves and other diagnostic information will be loaded after approximately 45 seconds.
  • Page 41 SIMATIC PDM supports many other useful features, extensive diagnostic support and asset management. Details are found in the SIMATIC PDM manual here https:// support.industry.siemens.com/cs/ww/en/view/109755005 SITRANS LR120, HART Operating Instructions, 10/2023, A5E49829026...

  • Page 42: Diagnostics And Troubleshooting

    Diagnostics and troubleshooting 10.1 Maintenance Maintenance If the device is used properly, no special maintenance is required in normal operation. Precaution measures against buildup In some applications, buildup on the antenna system can influence the measuring result. Depending on the transmitter and application, take measures to avoid heavy soiling of the antenna system.

  • Page 43: Diagnosis, Fault Messages

    Diagnostics and troubleshooting 10.3 Diagnosis, fault messages • Signal processing Fault rectification The first measures are: • Evaluation of fault messages • Checking the output signal • Treatment of measurement errors A smart device (smartphone/tablet) with the adjustment app or a PC/notebook with the PDM and the suitable EDD offer you further comprehensive diagnostic possibilities.
  • Page 44 Diagnostics and troubleshooting 10.4 Status messages according to NE 107 more detailed error messages available under the menu item ""Diagnostics" via the respective adjustment module. Status messages The status messages are divided into the following categories: • Failure • Function check • Out of specification •...
  • Page 45 Diagnostics and troubleshooting 10.4 Status messages according to NE 107 Failure Code Cause Rectification DevSpec Text message State in CMD 48 F013 No measured value in the Check or correct installation Byte 5, Bit 0 of switch-on phase or during and/or parameter settings Byte 0 … 5 no measured operation value available...
  • Page 46 Diagnostics and troubleshooting 10.4 Status messages according to NE 107 Code Cause Rectification DevSpec Text message State in CMD 48 Wait for the automatic end "Standardized after 60 mins. Status 0" Out of specification Code Cause Rectification DevSpec Text message State in CMD 48 S600 Temperature of the electronics Check ambient temperature...

  • Page 47: Treatment Of Measurement Errors

    Diagnostics and troubleshooting 10.5 Treatment of measurement errors Code Cause Rectification DevSpec Text message State in CMD 48 with the main controller M511 A software unit requires a Carry out software update Bit 11 of software update Byte 14 … 24 Inconsistent software configuration 10.5 Treatment of measurement errors The tables below give typical examples of application-related measurement errors.
  • Page 48 Diagnostics and troubleshooting 10.5 Treatment of measurement errors Fault description Cause Rectification Amplitude or position of a Determine the reason for the false signal has changed (e.g. changed false signals, carry out condensation, buildup); auto auto false echo suppression, e.g. false echo suppression no longer with condensation.
  • Page 49 Diagnostics and troubleshooting 10.5 Treatment of measurement errors Fault description Cause Rectification condensation/contamination in the close range by editing Measured value jumps to Level echo is no longer detected Check measuring point: Antenna ≥ 100 % or 0 m distance in the close range due to foam should protrude out of the threaded generation or false signals in the mounting nozzle, possible false...
  • Page 50 Diagnostics and troubleshooting 10.5 Treatment of measurement errors Fault description Cause Rectification Measured value jumps Due to the process, the amplitude Carry out a auto false echo towards 100 % of the product echo decreases suppression A auto false echo suppression was not carried out Amplitude or position of a Determine the reason for the...
  • Page 51 Diagnostics and troubleshooting 10.5 Treatment of measurement errors Fault description Cause Rectification Fault description Cause Rectification Measured value remains False signal greater than level echo Eliminate false signals in the close unchanged in the close or level echo too small range. Check: Antenna must range during emptying protrude out of the nozzle Remove contamination on the...

  • Page 52: Return Procedure

    [https://www.siemens.com/automation/support-request]. More information about our technical support is available at www.siemens.com/ automation/csi/service [https://www.siemens.com/automation/csi/service] Internet service and support In addition to our documentation, Siemens provides a comprehensive support solution at www.siemens.com/automation/service&support [https:// www.siemens.com/automation/service&support] SITRANS LR120, HART Operating Instructions, 10/2023, A5E49829026...

  • Page 53: How To Proceed If A Repair Is Necessary

    [https://www.siemens.com/ processtransmitteration/certificates] or on an included DVD. 10.8 How to proceed if a repair is necessary If it is necessary to repair the transmitter, please contact Siemens. You find the locations on www.siemens.com/processautomation [https://www.siemens.com/ processautomation]. SITRANS LR120, HART Operating Instructions, 10/2023, A5E49829026...

  • Page 54: Service And Maintenance

    If you have no way to dispose of the old transmitter properly, please contact us concerning return and disposal. Further information about devices containing batteries can be found at: (https:// support.industry.siemens.com/cs/document/109479891/) Note Special disposal required The device includes components that require special disposal.
  • Page 55 Service and maintenance 11.2 Disposal SITRANS LR120, HART Operating Instructions, 10/2023, A5E49829026...

  • Page 56: Certificates And Approvals

    The Bluetooth radio module in the device has been tested and approved according to the current edition of the applicable country-specific norms or standards. The confirmations as well as regulations for use can be found in the document ""Radio licenses" supplied or on www.siemens.com/level [https://www.siemens.com/ level]. 12.2 Approvals for Ex areas Approved versions for use in hazardous areas are available or in preparation for the device series.

  • Page 57: Food And Pharmaceutical Certificates

    Food and pharmaceutical certificates Versions for use in the food and pharmaceutical industries are available or in preparation. You can find the respective certificates on www.siemens.com/level [https:// www.siemens.com/level]. 12.6 Conformity The device complies with the legal requirements of the applicable country-specific directives or technical regulations.

  • Page 58: Technical Data And Dimensions

    Technical data Note for approved transmitters Device specifications: Siemens makes every effort to ensure the accuracy of these specifications, but reserves the right to change them at any time. Device-specific approvals: The device-specific approvals are always to be found on the nameplates on the device.
  • Page 59 Technical data and dimensions 13.1 Technical data Reference point Measured variable, max. measuring range Figure 13.1 Data of the input variable Switch-on phase Run-up time for U = 12 V DC, 18 V DC, 24 V DC < 15 s Starting current for run-up time ≤ 3.6 mA Power consumption Run-up time Measured value output Figure 13.2 Run-up time and measured value output...
  • Page 60 Technical data and dimensions 13.1 Technical data Max. output current 22 mA Starting current ≤ 3.6 mA; ≤ 10 mA for 5 ms after switching on Load 545 Ohm at 24 V DC Damping (63 % of the input variable), adjustable 0 … 999 s HART output values • PV (Primary Value) Lin. percent •...
  • Page 61 Technical data and dimensions 13.1 Technical data Additional measurement deviation through electromagnetic interference • According to NAMUR NE 21 < 80 µA • According to EN 61326-1 None • According to IACS E10 (shipbuilding)/ < 250 µA IEC 60945 Characteristics and performance data Measuring frequency W-band (80 GHz technology) Measuring cycle time ≤ 250 ms Step response time ≤ 3 s...

  • Page 62: Dimensions

    Technical data and dimensions 13.2 Dimensions Adjustment Smart device SITRANS mobile IQ Voltage supply Operating voltage U • at 4 mA 12 … 35 V DC • at 20 mA 9 … 35 V DC Reverse voltage protection Integrated Overvoltage protection Dielectric strength against metallic mounting > 10 kV parts Overvoltage resistance (test impulse voltages > 1000 V 1.2/50 µs at 42 Ω) Additional overvoltage arrester...

  • Page 63: Licensing Information For Open Source Software

    Technical data and dimensions 13.3 Licensing information for open source software 13.3 Licensing information for open source software Open source software components are also used in this device. A documentation of these components with the respective license type, the associated license texts, copyright notes and disclaimers can be found on our homepage.
  • Page 64 For more information Process Automation https://www.siemens.com/processautomation Industry Online Support (service and support) https://support.industry.siemens.com Industry Mall https://mall.industry.siemens.com Siemens AG Measurement Intelligence Process Automation 76181, Karlsruhe Germany © 2023 Siemens AG Subject to change A5E49829026...

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