Siemens SITRANS LR140 Operating Instructions Manual Download

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Edition

08/2020

Operating Instructions

SITRANS L

Radar Transmitters

SITRANS LR140

https://www.siemens.com

Summary of Contents for SITRANS LR140

Page 1: ...Edition 08 2020 Operating Instructions SITRANS L Radar Transmitters SITRANS LR140 https www siemens com ...

Page 2: ...1 Safety notes 2 Description 3 Installing mounting 4 Connecting 5 Access protection 6 Setup with smart device Bluetooth 7 Operating 8 Diagnostics and troubleshooting 9 Service and maintenance 10 Certificates and approvals 11 Technical data and dimensions 12 08 2020 A5E50352144 62710 76 01 ...

Page 3: ...ied personnel are those who based on their training and experience are capable of identifying risks and avoiding potential hazards when working with these products systems Proper Use of Siemens Products 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 manufact...

Page 4: ...rmation 4 3 Description 7 3 1 Configuration 7 3 2 Principle of operation 8 3 3 Adjustment 9 3 4 Packaging transport and storage 9 4 Installing mounting 11 4 1 General instructions 11 4 2 Mounting instructions 11 4 3 Measurement setup Flow 15 5 Connecting 17 5 1 Preparing the connection 17 5 2 Connecting 18 5 3 Wiring plan 19 5 4 Switch on phase 20 6 Access protection 21 6 1 Bluetooth radio interfa...

Page 5: ...turn procedure 38 9 7 Technical support 39 9 8 How to proceed if a repair is necessary 40 10 Service and maintenance 41 10 1 Dismounting steps 41 10 2 Disposal 41 11 Certificates and approvals 43 11 1 Radio licenses 43 11 2 EU conformity 43 12 Technical data and dimensions 45 12 1 Technical data 45 12 2 Dimensions 49 12 3 Licensing information for open source software 49 12 4 Trademark 49 iv SITRA...

Page 6: ...Preface Editing status 2020 08 03 SITRANS LR140 Operating Instructions 08 2020 A5E50352144 v ...

Page 7: ...Preface vi SITRANS LR140 Operating Instructions 08 2020 A5E50352144 ...

Page 8: ... implemented 1 3 Symbols used Information note tip This symbol indicates helpful additional information and tips for successful work Note This symbol indicates notes to prevent failures malfunctions damage to devices or plants Caution Non observance of the information marked with this symbol may result in personal injury Warning Non observance of the information marked with this symbol may result ...

Page 9: ...e 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 2 SITRANS LR140 Operating Instructions 08 2020 A5E50352144 ...

Page 10: ...y and persons or environmental contamination can result Also the protective characteristics of the transmitter can be impaired 2 4 General safety instructions This is a state of the art transmitter complying with all prevailing regulations and directives The transmitter must only be operated in a technically flawless and reliable condition The operator is responsible for the trouble free operation...

Page 11: ...ation of the regulations of the radio approvals of the respective country Further information can be found in the document Regulations for radar level measuring transmitters with radio licenses on our homepage 2 6 Installation and operation in the USA and Canada This information is only valid for USA and Canada Hence the following text is only available in the English language Installations in the...

Page 12: ...measures that may be implemented please visit https www siemens com industrialsecurity Siemens products and solutions undergo continous development to make them more secure Siemens strongly recommends that product updates are applied as soon as they are available and that the latest product versions are used Use of product versions that are no longer supported and failure to apply the latest updat...

Page 13: ...Safety notes 2 7 Security information 6 SITRANS LR140 Operating Instructions 08 2020 A5E50352144 ...

Page 14: ... Bluetooth PIN Bluetooth PUK Device Access PUK Note Optional transmitter features are also described in this operating instructions manual The respective scope of delivery results from the order specification Scope of this operating instructions This operating instructions manual applies to the following transmitter versions Hardware version from 1 0 0 Software version from 1 2 0 Constituent parts...

Page 15: ...on 6 Wireless access via smart device Figure 3 2 Layout of the nameplate example 3 2 Principle of operation Application area SITRANS LR140 is a radar transmitter for non contact continuous level measurement It is suitable for liquids and solids in practically all industries Functional principle The transmitter emits a continuous frequency modulated radar signal through its antenna The emitted sign...

Page 16: ...d by a test based on ISO 4180 The packaging consists of environment friendly recyclable cardboard For special versions PE foam or PE foil is also used Dispose of the packaging material via specialised recycling companies 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 i...

Page 17: ...icated the packages must be stored only under the following conditions Not in the open Dry and dust free Not exposed to corrosive media Protected against solar radiation Avoiding mechanical shock and vibration Storage and transport temperature Storage and transport temperature see chapter Supplement Technical data Ambient conditions Relative humidity 20 85 10 SITRANS LR140 Operating Instructions 0...

Page 18: ... operating instructions or on the nameplate Hence make sure before mounting that all parts of the transmitter exposed to the process are suitable for the existing process conditions These are mainly Active measuring component Process fitting Process seal Process conditions in particular are Process pressure Process temperature Chemical properties of the medium Abrasion and mechanical influences 4 ...

Page 19: ...or the min max adjustment see following diagram 1 Reference point Figure 4 2 Reference point 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 However these can be suppressed by an appropriate adjustment see chapter Set up If you cannot mai...

Page 20: ...4 4 Mounting of the radar transmitter on vessels with conical bottom 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 5 Mounting of the radar transmitter with inflowing medium Threaded nozzle und nozzle piece With threaded connection the antenna end should protrude at least 5 mm 0 2 in out ...

Page 21: ... dimensions also longer nozzles are possible however the local conditions must be taken into account Figure 4 7 Nozzle mounting Nozzle diameter d Nozzle length h 40 mm 1 150 mm 5 9 in 50 mm 2 200 mm 7 9 in 80 mm 3 300 mm 11 8 in 100 mm 4 400 mm 15 8 in 150 mm 6 600 mm 23 6 in Note When mounting on longer nozzles we recommend carrying out a auto false echo suppression see chapter Parameter adjustme...

Page 22: ... use the biggest possible radar antennas or transmitters with guided radar 4 3 Measurement setup Flow In general the following must be observed while mounting the device Mounting the transmitter on the upstream or inlet side Installation in the centre of the flume and vertical to the liquid surface Distance to the overfall orifice or Venturi flume Min distance to the max height of damming for opti...

Page 23: ...from tailwater Figure 4 10 Flow measurement with rectangular flume hmax max filling of the rectangular flume Khafagi Venturi flume 1 Position transmitter 2 Venturi flume Figure 4 11 Flow measurement with Khafagi Venturi flume hmax max filling of the flume B tightest constriction in the flume 16 SITRANS LR140 Operating Instructions 08 2020 A5E50352144 ...

Page 24: ... following additional factors that influence the operating voltage Lower output voltage of the power supply unit under nominal load e g with a transmitter current of 20 5 mA or 22 mA in case of fault Influence of additional transmitters in the circuit see load values in chapter Technical data Connection cable Use cable with round cross section for transmitters with housing and cable gland To ensur...

Page 25: ...e the cable entry screwed in at the factory The cable gland is therefore covered with a red dust protection cap as transport protection Note To ensure the housing protection class you must replace this protective cap with an approved NPT cable gland before setup Note Do not use grease when screwing in the NPT cable gland or a conduit steel pipe Maximum torque see chapter Technical data 5 2 Connect...

Page 26: ... under Technical data Electromechanical data Connecting Connect the transmitter according to the following wiring plan 5 3 Wiring plan Electronics and connection compartment 1 Voltage supply signal output Figure 5 2 Connection compartment SITRANS LR140 SITRANS LR140 Operating Instructions 08 2020 A5E50352144 19 ...

Page 27: ...er connection to the power supply the device carries out a self test Internal check of the electronics Output signal is set to failure The current measured value is then output on the signal cable 20 SITRANS LR140 Operating Instructions 08 2020 A5E50352144 ...

Page 28: ...ime increases with each additional incorrect entry The Bluetooth PUK enables Bluetooth communication to be established in the event that the Bluetooth PIN is no longer known It can t be changed The Bluetooth PUK can be found in information sheet Device Bluetooth and Parameter Access Codes If this document is lost the Bluetooth PUK can be retrieved from your personal contact person after legitimati...

Page 29: ...nged The Device Access PUK can also be found on the supplied information sheet Device Bluetooth and Parameter Access Codes If this document is lost the Device Access PUK can be retrieved from your personal contact person after legitimation The storage and transmission of the user PIN is always encrypted SHA 256 algorithm 22 SITRANS LR140 Operating Instructions 08 2020 A5E50352144 ...

Page 30: ...ct authentication each subsequent connection is made without a new authentication query Enter Bluetooth access code For authentication enter the 6 digit Bluetooth PIN in the next menu window You can find the code on the information sheet Device Bluetooth and Parameter Access Codes in the device packaging Note If an incorrect code is entered the code can only be entered again after a delay time Thi...

Page 31: ...Setup with smart device Bluetooth 7 1 Connecting 24 SITRANS LR140 Operating Instructions 08 2020 A5E50352144 ...

Page 32: ...om the App store to your mobile device 2 Launch the app Devices in range will appear 3 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 LR140 Operating Instructions 08 2020 A5E50352144 25 ...

Page 33: ...Operating Parameter Access Codes sheet Following successful PIN entry the device cockpit will be shown 26 SITRANS LR140 Operating Instructions 08 2020 A5E50352144 ...

Page 34: ...Operating 4 Use the Setup Quick Commissioning to configure the transmitter for your application type SITRANS LR140 Operating Instructions 08 2020 A5E50352144 27 ...

Page 35: ...Operating Many diagnostic tools are supported including the echo profile viewer 28 SITRANS LR140 Operating Instructions 08 2020 A5E50352144 ...

Page 36: ...The cleaning helps that the nameplate and markings on the transmitter are visible Take note of the following Use only cleaning agents which do not corrode the housings nameplate and seals Use only cleaning methods corresponding to the housing protection rating 9 2 Rectify faults Reaction when malfunction occurs The operator of the system is responsible for taking suitable measures to rectify fault...

Page 37: ...Connect a multimeter in the suitable measuring range according to the wiring plan The following table describes possible errors in the current signal and helps to eliminate them Error Cause Rectification 4 20 mA signal not stable Fluctuating measured value Set damping Electrical connection faulty Check connection correct if necessary Voltage supply missing Check cables for breaks repair if necessa...

Page 38: ...ck The transmitter is being worked on the measured value is temporarily invalid for example during simulation This status message is inactive by default Out of specification The measured value is unreliable because an transmitter specification was exceeded e g electronics temperature This status message is inactive by default Maintenance required Due to external influences the transmitter function...

Page 39: ...epair F080 General software error General software error Restart transmitter F105 Determine measured value The transmitter is still in the start phase the measured value could not yet be determined Wait for the end of the switch on phase Duration up to 3 minutes depending on the measurement environment and parameter settings F260 Error in the calibration Checksum error in the calibration values Er...

Page 40: ...OM Send transmitter for repair M504 Error at a device interface Hardware defect Check connections Exchanging the electronics Send transmitter for repair M505 No echo available Transmitter does not detect an echo during operation Antenna dirty or defective Clean the antenna Use a more suitable antenna transmitter Remove possible false echoes Optimize transmitter position and orientation M507 Error ...

Page 41: ...t output to Hold value If the level is too low the reason could be a line resistance that is too high Fault description Cause Rectification Min max adjustment not correct Adapt min max adjustment Measured value shows a too low or too high level Incorrect linearization curve Adapt linearization curve Due to the process the amplitude of the level echo sinks A auto false echo suppression was not carr...

Page 42: ...ultiple echo In case of interferences due to installations in the close range Change polarisation direction Chose a more suitable installation position Measured value jumps towards 100 during filling Due to strong turbulence and foam generation during filling the amplitude of the level echo sinks Measured value jumps to false signal Carry out a auto false echo suppression Measured value jumps spor...

Page 43: ...e signals the auto false echo suppression must be deleted Carry out a new auto false echo suppression Measured value jumps sporadically towards 100 during emptying Varying condensation or contamination on the antenna Carry out auto false echo suppression or increase auto false echo suppression in the close range by editing Fault description Cause Rectification Min max adjustment not correct Adapt ...

Page 44: ...Check parameter Material Type and adapt if necessary Optimize installation position and transmitter orientation Measured value fluctuates around 10 20 Reflections from the medium surface via the vessel wall deflection Select a more suitable installation position optimize transmitter orientation e g with a swivelling holder Measured value jumps sporadically to 100 during filling Changing condensati...

Page 45: ...tes around 10 20 Reflections from the medium surface via the vessel wall deflection Optimize installation position and transmitter orientation 9 6 Return procedure Enclose the delivery note the return goods delivery note and the decontamination declaration in a clear plastic pouch and attach it firmly to the outside of the packaging Any devices replacement parts which are returned without a decont...

Page 46: ... processing 9 7 Technical support Technical Support If this documentation does not provide complete answers to any technical questions you may have contact technical support at http www siemens com automation support request More information about our technical support is available at http www siemens com automation csi service Internet service and support In addition to our documentation Siemens ...

Page 47: ...ww siemens com processinstrumentation certificates or on an included DVD 9 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 40 SITRANS LR140 Operating Instructions 08 2020 A5E50352144 ...

Page 48: ...ual should be recycled They may not be disposed of in the municipal waste disposal services according to the Directive 2012 19 EC on waste electronic and electrical equipment WEEE 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 containi...

Page 49: ...Service and maintenance 10 2 Disposal 42 SITRANS LR140 Operating Instructions 08 2020 A5E50352144 ...

Page 50: ...ule 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 our homepage 11 2 EU conformity The device fulfils the legal requirements of the applicable EU directives By affixing the CE marking we confirm the conformity...

Page 51: ...Certificates and approvals 11 2 EU conformity 44 SITRANS LR140 Operating Instructions 08 2020 A5E50352144 ...

Page 52: ...process fitting PVDF Process seal FKM Materials non wetted parts Housing Plastic PBT Polyester Housing seals O rings silicone Cable gland PA Sealing cable gland NBR Blind plug cable gland PA Weight 0 7 kg 1 543 lbs Torques Max torque mounting boss 7 Nm 5 163 lbf ft Max torque for NPT cable glands and Conduit tubes 10 Nm 7 376 lbf ft Input variable Measured variable The measured variable is the dis...

Page 53: ... V DC Damping 63 of the input variable adjustable 0 999 s Deviation according to DIN EN 60770 1 Process reference conditions according to DIN EN 61298 1 Temperature 18 30 C 64 86 F Relative humidity 45 75 Air pressure 860 1060 mbar 86 106 kPa 12 5 15 4 psig Installation reference conditions Distance to installations 200 mm 7 874 in Reflector Flat plate reflector False reflections Biggest false sig...

Page 54: ...erating voltage UB 24 V DC b Time span after a sudden distance change from 1 m to 5 m until the output signal reaches 90 of the final value for the first time IEC 61298 2 Valid with operating voltage UB 24 V DC c Outside the specified beam angle the energy level of the radar signal is 50 3 dB less Ambient conditions Ambient temperature 40 60 C 40 140 F Storage and transport temperature 40 80 C 40 ...

Page 55: ...Smart device SITRANS mobile IQ Voltage supply Operating voltage UB 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 parts 10 kV Overvoltage resistance test impulse voltages 1 2 50 µs at 42 Ω 1000 V Additional overvoltage arrester Due to the floating structure of the electronics and comprehensive insulat...

Page 56: ... 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 12 4 Trademark All the brands as well as trade and company names used are property of their lawful proprietor originator SITRANS LR140 Operating Instructions 08 2020 A5E5...

Page 57: ...Technical data and dimensions 12 4 Trademark 50 SITRANS LR140 Operating Instructions 08 2020 A5E50352144 ...

Page 58: ...s 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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