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Siemens SITRANS L Series Operating Instructions Manual
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Siemens SITRANS L Series Operating Instructions Manual

Radar transmitters
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Operating Instructions
SITRANS L
Radar Transmitters
SITRANS LR120
Edition
08/2020
https://www.siemens.com

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Summary of Contents for Siemens SITRANS L Series

  • Page 1 Operating Instructions SITRANS L Radar Transmitters SITRANS LR120 Edition 08/2020 https://www.siemens.com...
  • Page 2 Preface Introduction Safety notes SITRANS L Description Radar Transmitters SITRANS LR120 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 dimensions 08/2020 A5E49829026 62708-76-01...
  • 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 Connecting .......................... 25 Setup with SIMATIC PDM EDD .................... 29 Setup with SIMATIC PDM EDD ................29 Diagnostics and troubleshooting ..................33 10.1 Maintenance ....................... 33 10.2 Rectify faults ....................... 33 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: 2020-08-03 SITRANS LR120 Operating Instructions, 08/2020, A5E49829026...
  • Page 7 Preface SITRANS LR120 Operating Instructions, 08/2020, 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, the exchange of parts and the safety of the user. 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 Sequence of actions Numbers set in front indicate successive steps in a procedure. Battery disposal This symbol indicates special information about the disposal of batteries and accumulators. SITRANS LR120 Operating Instructions, 08/2020, A5E49829026...

  • Page 10: Safety Notes

    Safety notes Authorised personnel All operations described in this documentation must be carried out only by trained, qualified personnel authorised by the plant operator. 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.

  • 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 Operating Instructions, 08/2020, 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

    Description 3.2 Principle of operation Constituent parts Radar antenna Electronics housing Mounting thread Connection cable Figure 3.1 Components of SITRANS LR120 Nameplate The nameplate contains the most important data for identification and use of the transmitter. Transmitter type Serial number Technical data Field for approvals QR code for device documentation Wireless access via smart device...

  • Page 16: Adjustment

    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. Transmitter Smart device Figure 3.3 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.

  • Page 17: Packaging, Transport And Storage

    Description 3.4 Packaging, transport and storage Handheld Figure 3.4 Connecting the PC to the signal cable Packaging, transport and storage Packaging Your transmitter was protected by packaging during transport. Its capacity to handle normal loads during transport is assured by a test based on ISO 4180. The packaging consists of environment-friendly, recyclable cardboard.

  • Page 18: Accessories

    Description 3.5 Accessories Accessories Mounting accessories The mounting accessories are used for stable mounting of the device at the measuring point. The parts are available in various versions and sizes. SITRANS LR120 Operating Instructions, 08/2020, A5E49829026...
  • Page 19 Description 3.5 Accessories SITRANS LR120 Operating Instructions, 08/2020, A5E49829026...

  • Page 20: Installing/Mounting

    Installing/mounting General instructions Ambient conditions The transmitter is suitable for standard and extended ambient conditions acc. to DIN/ 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 21: 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 22 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 Mounting nozzle For nozzle mounting, the nozzle should be as short as possible and its end rounded.
  • Page 23 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 24: Measurement Setup - Flow

    Installing/mounting 4.4 Measurement setup - Flow Foam generation Through the action of filling, stirring and other processes in the vessel, compact foam can form on the medium surface, damping the emitted signals considerably. If foams lead to measurement errors, you should use transmitters with guided radar. Measurement setup - Flow In general, the following must be observed while mounting the device: •...
  • Page 25 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 Operating Instructions, 08/2020, 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 Plus (+)

  • 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 "...

  • 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: 7.1 Connecting

    Setup with smart device (Bluetooth) 7.1 Connecting SITRANS LR120 Operating Instructions, 08/2020, A5E49829026...
  • Page 32 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 SITRANS LR120 Operating Instructions, 08/2020, A5E49829026...
  • Page 33 Operating Parameter Access Codes sheet). Following successful PIN entry, the device cockpit will be shown. SITRANS LR120 Operating Instructions, 08/2020, A5E49829026...
  • Page 34 Operating Use the Setup/Quick Commissioning to configure the transmitter for your application type. SITRANS LR120 Operating Instructions, 08/2020, A5E49829026...
  • Page 35 Operating Many diagnostic tools are supported, including the echo profile viewer: SITRANS LR120 Operating Instructions, 08/2020, A5E49829026...

  • Page 36: 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/processinstrumentation/downloads...
  • Page 37 Setup with SIMATIC PDM EDD 9.1 Setup with SIMATIC PDM EDD Open the menu " Device > Download to device"…. When complete, select " File > Save" to save the settings offline. The status fields are cleared. Figure 9.1 PDM structure view EDD offline, start Figure 9.2 PDM structure view EDD offline, continuation Procedure...
  • Page 38 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 39 To create a new AFES curve, use the " Wizard > Auto false echo suppression" from the device menu and enter the distance to the material surface. 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 Operating Instructions, 08/2020, A5E49829026...

  • Page 40: 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 41: 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 42 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 •...
  • Page 43 Diagnostics and troubleshooting 10.4 Status messages according to NE 107 Code Cause Rectification DevSpec Text message State in CMD 48 no measured Clean the antenna system value available F017 Adjustment not within Change adjustment according Byte 5, Bit 1 of specification to the limit values (difference Byte 0 … 5 Adjustment span between min.
  • Page 44 Diagnostics and troubleshooting 10.4 Status messages according to NE 107 Out of specification Code Cause Rectification DevSpec Text message State in CMD 48 S600 Temperature of the electronics Check ambient temperature Byte 23, Bit 4 of in the non-specified range Byte 14 … 24 Impermissible Insulate electronics electronics temperature S601...

  • Page 45: Treatment Of Measurement Errors

    Diagnostics and troubleshooting 10.5 Treatment of measurement errors Code Cause Rectification DevSpec Text message State in CMD 48 M510 Communication between main Check the connection cable to Bit 10 of electronics and display module the display Byte 14 … 24 disturbed communication Send transmitter for repair with the main controller M511...
  • Page 46 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 47 Diagnostics and troubleshooting 10.5 Treatment of measurement errors Fault description Cause Rectification 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 close range.
  • Page 48 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 49: Return Procedure

    Diagnostics and troubleshooting 10.6 Return procedure 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 antenna...

  • Page 50: Technical Support

    In addition to our documentation, Siemens provides a comprehensive support solution at http://www.siemens.com/automation/service&support Contact person If you have additional questions about the device, please contact your Siemens personal contact at http://www.automation.siemens.com/partner To find the personal contact for your product, go to " All products and Branches"...

  • Page 51: How To Proceed If A Repair Is Necessary

    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 Operating Instructions, 08/2020, A5E49829026...

  • Page 52: Service And Maintenance

    Devices can be returned to the supplier within the EC, or to a locally approved disposal service for eco-friendly recycling. Observe the specific regulations valid in your country. 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 53 Service and maintenance 11.2 Disposal SITRANS LR120 Operating Instructions, 08/2020, A5E49829026...

  • Page 54: Certificates And Approvals

    Certificates and approvals 12.1 Radio licenses Radar The device has been tested and approved in accordance with the current edition of the applicable country-specific norms or standards. Regulations for use can be found in the document " Regulations for radar level measuring transmitters with radio licenses"...

  • Page 55: Eu Conformity

    Certificates and approvals 12.5 EU conformity 12.5 EU conformity The device fulfils the legal requirements of the applicable EU directives. By affixing the CE marking, we confirm the conformity of the transmitter with these directives. The EU conformity declaration can be found on our homepage. SITRANS LR120 Operating Instructions, 08/2020, A5E49829026...

  • Page 56: 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 type plates on the device.
  • Page 57 Technical data and dimensions 13.1 Technical data Depending on the operating conditions Switch-on phase Start-up time with operating < 15 s voltage U Starting current (for run-up ≤ 3.6 mA time) Output variable Output signal 4 … 20 mA/HART Range of the output signal 3.8 … 20.5 mA/HART (default setting) Signal resolution 0.3 µA Resolution, digital...
  • Page 58 Technical data and dimensions 13.1 Technical data Non-repeatability ≤ 2 mm Deviation with bulk solids The values depend to a great extent on the application. Binding specifications are thus not possible. Already included in the meas. deviation Variables influencing measurement accuracy Temperature drift - Digital < 3 mm/10 K, max. 5 mm output Temperature drift - Current...
  • Page 59 Technical data and dimensions 13.1 Technical data Process conditions Process temperature -40 … +80 °C (-40 … +176 °F) Process pressure -1 … 3 bar (-100 … 300 kPa/-14.5 … 43.51 psig) Bluetooth interface Bluetooth standard Bluetooth 5.0 (downward compatible to Bluetooth 4.0 LE) Frequency 2.402 … 2.480 GHz Max. emitted power +2.2 dBm Max. number of participants Effective range typ. 25 m (82 ft) Depending on the local conditions Adjustment...

  • Page 60: Dimensions

    Technical data and dimensions 13.2 Dimensions 13.2 Dimensions Figure 13.1 Dimensions SITRANS LR120 13.3 License information for Open Source Software Hashfunction acc. to mbed TLS: Copyright (C) 2006-2015, ARM Limited, All Rights Reserved SPDX-License-Identifier: Apache-2.0 Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
  • Page 61 Technical data and dimensions 13.4 Trademark SITRANS LR120 Operating Instructions, 08/2020, A5E49829026...
  • Page 62 Further 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 Digital Industry Process Automation Postfach 48 48 90026 NÜRNBERG GERMANY...

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