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Siemens SITRANS L Operating Instructions Manual Download Page 24

Installing/mounting 

 

4.2 Installation location requirements 

 

SITRANS LR250 with FOUNDATION FIELDBUS 

24

 

Operating Instructions, 09/2021, A5E32221411-AH 

4.2

 

Installation location requirements 

 

 

WARNING 

Aggressive atmospheres 

Danger to personnel, system and environment can result from unsuitable environment. 
•

 

Provide an environment suitable to the housing rating and materials of construction. 

 

 

 

 

NOTICE 
Direct sunlight 

Damage to device. 
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 Environmental (Page 182). 

 

 

①

 

Ambient temperature 

②

 

Device nameplate 

③

 

Device tag 

④

 

Process temperature (at process connection) 

⑤

 

Process connection tag (contains process connection related information) 

 

Antenna

 

①

 

④

 

Horn 

-40 to +80 °C 

(-40 to +176 °F) 

with FKM O-ring:-40 to +200 °C (-40 to 

392 °F) 
with FFKM O-ring:-20 to +200 °C (-4 to 

+392 °F) 

PVDF and alumi-

num/polypropylene lens 

versions 

-40 to +80 °C 

(-40 to +176 °F) 

-40 to +80 °C 

(-40 to +176 °F) 

Summary of Contents for SITRANS L

Page 1: ...E32221411 AH Introduction 1 Safety information 2 Description 3 Installing mounting 4 Connecting 5 Commissioning 6 Remote operation 7 Parameter reference 8 Service and maintenance 9 Diagnosing and troubleshooting 10 Technical specifications 11 Dimension drawings 12 Appendix A Technical reference A Appendix B Communications via Foundation Fieldbus B Appendix C Product documentation and support C Lis...

Page 2: ...ated only by personnel qualified for the specific task in accordance with the relevant documentation in particular its warning notices and safety instructions Qualified 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 Sieme...

Page 3: ...anada conformity note 14 2 1 6 Conformity with European directives 14 2 1 7 Conformity with UK regulations 15 2 1 8 Radio Equipment EU Directive RED 2014 53 EU and UK regulation SI 2017 1206 15 2 1 9 CE and UKCA Electromagnetic Compatibility EMC Conformity 15 2 2 Improper device modifications 16 2 3 Requirements for special applications 16 2 4 Use in hazardous areas 17 3 Description 18 3 1 SITRANS...

Page 4: ...ructions specific to hazardous area installations 44 5 4 1 Reference European ATEX Directive 2014 34 EU Annex II 1 0 6 and UK Regulation SI 2016 1107 44 6 Commissioning 46 6 1 Basic safety information 46 6 2 Operating via the handheld programmer 46 6 2 1 Power up 47 6 2 2 Handheld programmer functions 47 6 2 2 1 The LCD display 48 6 2 2 2 Handheld programmer Part No 7ML1930 1BK 49 6 2 3 Programmin...

Page 5: ...ication DIAG 90 7 1 11 2 Operation DIAG 91 7 1 11 3 Communication DIAG 91 7 1 12 Configure Setup Resource Block RESOURCE 91 7 1 12 1 Identification RESOURCE 92 7 1 12 2 Wizards RESOURCE 93 7 1 12 3 Operation RESOURCE 93 7 1 12 4 Maintenance Diagnostics RESOURCE 95 7 1 12 5 Communication RESOURCE 96 7 1 12 6 Security RESOURCE 97 7 1 13 Device Diagnostics Level Transducer Block LTB 98 7 1 13 1 Alarm...

Page 6: ...orn with polypropylene lens antenna and polymeric flange 190 12 5 Stainless steel threaded horn antenna 191 12 6 Stainless steel threaded horn antenna with extension 194 12 7 Stainless steel flanged horn antenna 196 12 8 Stainless steel flanged horn antenna with extension 198 12 9 PTFE Flanged encapsulated antenna 2 DN50 50A sizes only 200 12 10 PTFE Flanged encapsulated antenna 3 DN80 80A sizes a...

Page 7: ...ngs 222 12 30 Raised Face flange 223 12 31 Raised Face flange per EN 1092 1 for flanged encapsulated antenna 225 12 32 Flat Face flange 227 12 33 Aseptic hygienic flange DN50 DN80 DN100 for DIN 11864 2 229 12 34 Process connection tag pressure rated versions 231 A Appendix A Technical reference 233 A 1 Principles of operation 233 A 2 Echo processing 233 A 2 1 Process Intelligence 233 A 2 2 Echo Se...

Page 8: ...A5E32221411 AH B Appendix B Communications via Foundation Fieldbus 253 B 1 Field Communicator 375 F375 253 C Appendix C Product documentation and support 254 C 1 Product documentation 254 C 2 Technical support 255 13 List of abbreviations 256 14 LCD menu structure 257 Glossary 261 Index 266 ...

Page 9: ...uired to commission and use the device Read the instructions carefully prior to installation and commissioning In order to use the device correctly first review its principle of operation The instructions are aimed at persons mechanically installing the device connecting it electronically configuring the parameters and commissioning it as well as service and maintenance engineers 1 3 Revision hist...

Page 10: ...livered items for visible damages 2 Report any claims for damages immediately to the shipping company 3 Retain damaged parts for clarification 4 Check the scope of delivery by comparing your order to the shipping documents for correctness and completeness WARNING Using a damaged or incomplete device Risk of explosion in hazardous areas Do not use damaged or incomplete devices 1 6 Security informat...

Page 11: ...al Security RSS Feed under https www siemens com cert https www siemens com industrialsecurity 1 7 Transportation and storage To guarantee sufficient protection during transport and storage observe the following Keep the original packaging for subsequent transportation Devices replacement parts should be returned in their original packaging If the original packaging is no longer available ensure t...

Page 12: ...ion or symbols from the device Always keep the information and symbols in a completely legible state 2 1 1 Safety marking symbols In manual On product Description Label on product yellow back ground WARNING refer to accompanying documents manual for details 2 1 2 Laws and directives Observe the safety rules provisions and laws applicable in your country during connection assembly and operation The...

Page 13: ... This device is certified to measure levels in fixed or mobile enclosed tanks made from metal concrete or materials with similar RF attenuating properties Devices equipped with the aluminum horn or the 3 inch or 4 inch stainless horn antennas may be used to measure levels in open air environments or outside enclosed tanks subject to the following conditions Devices shall be installed and maintaine...

Page 14: ... on the device symbolizes the conformity with the following European directives Electromagnetic compatibility EMC 2014 30 EU Directive of the European Parliament and of the Council on the harmonisation of the laws of the Member States relating to electromagnetic compatibility Low voltage directive LVD 2014 35 EU Directive of the European Parliament and of the Council on the harmonisation of the la...

Page 15: ...irective RED 2014 53 EU and UK regulation SI 2017 1206 For the receiver test that covers the influence of an interferer signal to the device the performance criterion has at least the following level of performance according to ETSI TS 103 361 6 Performance criterion measurement value variation Δd over time during a distance measurement Level of performance Δd 50 mm 2 1 9 CE and UKCA Electromagnet...

Page 16: ...to personnel system and environment can result from modifications to the device particularly in hazardous areas Only carry out modifications that are described in the instructions for the device Failure to observe this requirement cancels the manufacturer s warranty and the product approvals 2 3 Requirements for special applications Due to the large number of possible applications each detail of t...

Page 17: ...ardous media They are authorized trained or instructed in carrying out work on electrical circuits for hazardous systems They are trained or instructed in maintenance and use of appropriate safety equipment according to the pertinent safety regulations WARNING Loss of safety of device with type of protection Intrinsic safety Ex i If the device has already been operated in non intrinsically safe ci...

Page 18: ...ids and slurries in storage vessels including high pressure and high temperature to a range of 20 meters 66 feet It is ideal for small vessels material such as chemicals food beverages solvents including those of corrosive or aggressive nature and low dielectric media The device consists of an electronic circuit coupled to a permanently attached antenna and either a threaded or flange type process...

Page 19: ...d configure via a graphical local user interface LUI You can modify the built in parameters either locally via the Siemens infrared handheld programmer or from a remote location using one of the following options FF host system AMS Device Manager 3 3 Applications liquids and slurries bulk storage vessels simple process vessels corrosive and aggressive hygienic sanitary ...

Page 20: ...te For further details see Approvals Page 183 SITRANS LR250 is available with approvals for General purpose sanitary or hygienic and for hazardous areas In all cases check the nameplate on your device and confirm the approval rating Process Connections A wide range of process connections and antenna options are available to suit virtually any vessel configuration ...

Page 21: ...ts or failures resulting from incompatible materials WARNING Unsuitable connecting parts Risk of injury or poisoning In case of improper mounting hot toxic and corrosive process media could be released at the connections Ensure that connecting parts such as flange gaskets and bolts are suitable for connection and process media WARNING Exceeded maximum ambient or process media temperature Danger of...

Page 22: ...same type After installation check that the cables are seated firmly WARNING Incorrect conduit system Risk of explosion in hazardous areas as result of open cable inlet or incorrect conduit system In the case of a conduit system mount a spark barrier at a defined distance from the device input Observe national regulations and the requirements stated in the relevant approvals 4 1 2 Pressure applica...

Page 23: ...the electrical enclosure In the event the device package is replaced the process connection tag shall be transferred to the replacement unit Representative samples of this device have been hydrostatically tested meeting or exceeding the requirement of the ASME Boiler and Pressure Vessel Code and the European Pressure Equipment Directive Note The serial numbers stamped in each process connection bo...

Page 24: ...o device 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 Environmental Page 182 Ambient temperature Device nameplate Device tag Process temperature at process connection Process connection tag contains process connection related infor...

Page 25: ... successful application Avoid reflective interference from vessel walls and obstructions by following guidelines in this chapter NOTICE Incorrect mounting The device can be damaged destroyed or its functionality impaired through improper mounting Before installing ensure there is no visible damage to the device Make sure that process connectors are clean and suitable gaskets and glands are used Mo...

Page 26: ...ommended nozzle diameter for the threaded PVDF antenna is 50 mm 2 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 For example 2 DN50 diameter nozzle should be no longer than 2 50 mm When removing a...

Page 27: ...ds on antenna size and is approximate see below For details on avoiding false echoes see Auto False Echo Suppression Page 238 Beam angle is the width of the cone where the energy density is half of the peak energy density The peak energy density is directly in front of and in line with the antenna There is a signal transmitted outside the beam angle therefore false targets may be detected Emission...

Page 28: ... Sanitary Clamp according to ISO 2852 12 8 3 4 9 6 DN50 Aseptic Hygienic nozzle slotted nut according to DIN 11864 1 Form A 12 8 DN80 DN100 9 6 DN50 Aseptic Hygienic flanged ac cording to DIN 11864 2 Form A 12 8 DN80 DN100 9 6 DN50 Aseptic Hygienic Clamp accord ing to DIN 11864 3 Form A 12 8 DN80 DN100 9 6 DN50 Hygienic nozzle slotted nut according to DIN 11851 12 8 DN80 DN100 9 6 Type F 50 mm and...

Page 29: ... The pipe diameter must be matched with the antenna size Use the largest antenna size that will fit the stillpipe bypass pipe1 See Threaded Horn dimensions Page 191 Raised Face Flange per EN 1092 1 Page 225 Flanged encapsulated dimensions Page 200 or Hygienic encapsulated dimensions Page 205 One continuous length of metallic pipe is preferred without joints Any false reflections created by joints ...

Page 30: ...ep the liquid level in the bypass constant with the liquid level in the vessel 4 3 5 Device orientation Bypass pipe installation Stillpipe installation Vent Align front or back of device with stillpipe slots1 Align front or back of device with vents1 Slots 1 Horn antenna version shown as example 4 4 Installation instructions WARNING Pressure applications Danger to personnel system and environment ...

Page 31: ...ould affect performance For example do not sit device on its lens antenna Note For European Union and member countries installation must be according to ETSI EN 302372 Refer to the device nameplate for approval information Note Do not remove the PTFE or polypropylene lens It is a critical component for operation Note The outer part of the lens on the PTFE flanged encapsulated antenna version may n...

Page 32: ...read 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 Before inserting the device into its mounting connection check to ensure the threads are matching to avoid damaging them 2 Simply screw the device into the process connection and hand tighten or use a wrench 4 4 2 Flanged versions NOTICE Improper ...

Page 33: ... bolts Recommended torque Nm ASME B16 5 Class 150 2 4 30 50 3 50 70 4 8 40 60 6 70 90 EN1092 1 PN16 JIS B 2220 10K DN50 50A 4 30 50 DN80 80A 8 DN100 100A DN150 150A 60 80 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 torqu...

Page 34: ...gienic 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 See relevant EHEDG 3A documentation not supplied NOTICE Loss of sanitary approvals For 3 A Sanitary Approved device installation where the customer tank process connection exists a leak detection port of minimum 2 4 mm dia...

Page 35: ...y 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 In order to disassemble correctly observe the following Before starting work make sure that you have switched off all physical variables such as pressure temperature electricity etc or that they have a harmless value...

Page 36: ...llows Power plug Ensure that the used socket has a PE ground conductor connection Check that the 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 5 2 Connecting SITRANS LR250 WARNING Incorrect connection to power source Risk to personnel system a...

Page 37: ... Use a 2 mm Allen key to loosen the lid lock set screw c Cable shield Plug IP68 Ground terminal Optional cable glanda b or NPT cable entry b a May be shipped with the device b If cable is routed through conduit use only approved suitable size hubs for waterproof ap plications c Not applicable to 3 A Sanitary approved device Wiring instructions 1 Strip the cable jacket for approximately 70 mm 2 75 ...

Page 38: ...f the cable for it to work properly For optimum EMC protection it is recommended that the FF H1 cable shield be connected to ground at every node Please refer to the Foundation Fieldbus System Engineering Guidelines AG 181 Revision 2 0 for information on installing FF H1 devices available from Foundation Fieldbus http www fieldbus org If a Weidmüller or other current limiting junction box is conne...

Page 39: ...1 Linking Device FF HSE FF H1 Configurator software LR250 FF PC laptop Configuration via PCI PCMCIA Card Configurator software H1 Interface PC laptop FF H1 PCI PCMCIA bus LR250 FF 5 3 Wiring setups for hazardous area installation There are three wiring options for hazardous area installations Intrinsically safe wiring Page 41 Non sparking wiring Page 43 Non incendive wiring US Canada only Page 44 ...

Page 40: ...onfirm the approval rating and perform installation and wiring according to your local safety codes 5 3 1 Configuration with Foundation Fieldbus for hazardous areas Configuration via Gateway Controller Ex ia type HSE H1 FF HSE FF H1 Configurator software LR250 FF PC laptop Configuration via Linking Device Controller Ex ia type HSE H1 Linking Device FF HSE FF H1 Configurator software LR250 FF PC la...

Page 41: ... PC laptop LR250 FF 5 3 2 Intrinsically safe wiring Device nameplate ATEX UKEX IECEx INMETRO The ATEX and UKEX certificates listed on the nameplate can be downloaded from our website Product page http www siemens com LR250 Go to Support Approvals Certificates The IECEx certificate listed on the nameplate can be viewed on the IECEx website Go to IECEx http iecex iec ch Click on Certified Equipment ...

Page 42: ...sociated apparatus not specifically examined in such combination The criteria for interconnection is that the voltage and current which intrinsically safe apparatus can receive and remain intrinsically safe considering faults must be equal to or greater than the output voltage Uo and output current Io levels which can be delivered by the associated apparatus considering faults and applicable facto...

Page 43: ...tive device normally the associated apparatus is allowed to provide the necessary energy for the fieldbus system The allowed voltage Uo or Voc or Vt of the associated apparatus is limited to the range of 14V dc to 24V dc All other equipment connected to the bus cable has to be passive meaning that they are not allowed to provide energy to the system except for a leakage current of 50 μA for each c...

Page 44: ...tallations Page 44 5 4 Instructions specific to hazardous area installations 5 4 1 Reference European ATEX Directive 2014 34 EU Annex II 1 0 6 and UK Regulation SI 2016 1107 The following instructions apply to equipment covered by certificate numbers SIRA 06ATEX2353X SIRA 09ATEX4354X CSAE 21UKEX2078X and CSAE 21UKEX4079X 1 For use and assembly refer to the main instructions 2 The equipment is cert...

Page 45: ...umber Parts of the enclosure may be non conducting and may generate an ignition capable level of electrostatic charge under certain extreme conditions The user should ensure that the equipment is not installed in a location where it may be subjected to external conditions such as high pressure steam which might cause a build up of electrostatic charge on non conducting surfaces Aluminium magnesium...

Page 46: ...ith 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 WARNING Potential hazard Lithium batteries may present a potential hazard if they are abused electrically or mechanically Observe the following precautions when handling and using lithium batteries Do not ...

Page 47: ... or writing any parameter via the LUI causes the device to begin measuring The Resource Block RES and Level Transducer Block LTB will move to Automatic mode AIFB 1 and AIFB 2 will remain Out of Service as displayed on the LCD These blocks can only be configured and scheduled using a network configuration tool For more details see System Integration in manual Foundation Fieldbus for Level Instrumen...

Page 48: ...Measured value level space distance or volume Units Bar graph indicates level Secondary region indicates on request b electronics temperature echo confidence loop cur rent or distance Text area displays status messages Device status indicator see Device status icons Page 171 a Press UP or DOWN arrow to switch b In response to a key press request For details see Handheld programmer Part No 7ML1930 ...

Page 49: ...list is too long to display all items A band halfway down the menu bar indicates the current item is halfway down the list The depth and relative position of the item band on the menu bar indicates the length of the menu list and approximate position of the current item in the list A deeper band indicates fewer items Parameter view Edit view Parameter name Parameter number Parameter value selectio...

Page 50: ...lapsed since PROGRAM mode was used Then top level menu will be displayed RIGHT arrow opens PROGRAM mode Opens the top level menu UP or DOWN arrow toggles between AIFB 1 and AIFB 2 Identifies which AIFB is the source of the displayed value 6 2 3 Programming 6 2 3 1 Programming the radar device Note While the device is in PROGRAM mode the output remains fixed and does not respond to changes in the d...

Page 51: ... 4 1 1 VESSEL SHAPE 1 Enter PROGRAM mode Point the programmer at the display from a maximum distance of 300 mm 1 ft RIGHT arrow activates PROGRAM mode and opens menu level 1 Mode opens the menu level last displayed in PROGRAM mode within the last 10 minutes or menu level 1 if power has been cycled since then Handheld programmer Display Maximum distance 300 mm 1 ft 2 Navigating key functions in Nav...

Page 52: ...nge to MEASUREMENT mode Home menu or pa rameter Open top level menu menu 1 3 Editing in PROGRAM mode Navigate to the desired parameter Press RIGHT arrow to open parameter view Press RIGHT arrow again to open Edit mode The current selection is highlighted Scroll to a new selection Press RIGHT arrow to accept it The LCD returns to parameter view and displays the new selection Parameter name Paramete...

Page 53: ...ts digits Toggles plus and minus sign RIGHT arrow Selecting options Accepts the data writes the parameter Changes from Edit to Navigation mode Numeric editing Moves cursor one space to the right or with cursor on Enter sign accepts the data and changes from Edit to Naviga tion mode LEFT arrow Selecting options Cancels Edit mode without changing the parameter Numeric editing Moves cursor to plus mi...

Page 54: ... not use the Quick Start wizard to modify parameters see instead Parameter reference Page 120 Perform customization for your application only after the Quick Start has been completed Default settings in the parameter tables are indicated with an asterisk 1 Quick Start 1 1 Quick Start Wiz Point the programmer at the display from a maximum distance of 300 mm 1 ft then press RIGHT arrow to activate P...

Page 55: ...QUID LOW DK a low dielectric liquid CLEF algorithm enabled a 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 Options Response rate 2 3 8 1 Fill rate per Minute 2 3 8 2 Empty rate per Minute 2 3 8 3 SLOW 0 1 m min 0 32 ft min MED 1 0 m min 3 28 ft min FAST 1...

Page 56: ...ce to material surface referenced from High calibration point DISTANCE Distance to material surface referenced from Sensor reference point a See Material Level 2 3 5 for more detail Space High calibration point process full level Level Sensor reference point a Distance Low calibration point process empty level a The point from which High and Low Calibration points are referenced see Dimension Draw...

Page 57: ...ompleted Press DOWN arrow Finish Then press LEFT arrow to return to Measurement mode SITRANS LR250 is now ready to operate 6 2 3 3 Auto False Echo Suppression If you have a vessel with known obstructions we recommend using Auto False Echo Suppression to prevent false echo detection See TVT Auto False Echo Suppression Setup 2 5 10 for instructions This feature can also be used if the display shows ...

Page 58: ...RIGHT arrow Press LEFT arrow to Zoom out To update the profile select Measure and press RIGHT arrow To return to the previous menu select Exit then press RIGHT arrow 6 2 3 5 Device Address Note The address can only be changed from a remote master such as NI FBUS Configurator or DeltaV See Addressing in manual Foundation Fieldbus for Level Instruments 7ML19985MP01 for further details Read only The ...

Page 59: ...igate to the other required parameters either via the handheld programmer or via AMS Device Manager and enter the appropriate values 6 3 1 Liquid resin in storage vessel level measurement Note Minimum distance from flange face to target is limited by Near Range 2 5 1 To obtain level measurement 4 to 20 mA output proportional to resin levels Low Calibration Pt 5 m 16 5 ft from sensor reference poin...

Page 60: ...meters Loss of Echo LOE Timer 2 3 6 120 120 seconds Return to Measurement press Mode to start normal operation 6 3 2 Horizontal vessel with volume measurement Note The minimum distance from the flange face to the target is limited by Near Range 2 5 1 To obtain level measurement proportional to vessel volume in a chemical vessel Low Calibration Point 3 5 m 11 48 ft from sensor reference point High ...

Page 61: ... with current language Material LIQUID Response Rate MED Medium 1 m minute Units M meters Low Calibration Point 3 5 3 5 m 11 48 ft High Calibration Point 0 5 0 5 m 1 64 ft Wizard Complete FINISH Transfers Quick Start settings to device Independent parameters Vessel Shape 2 4 1 1 PARABOLIC ENDS Defines vessel shape PV volume level Units 2 3 3 L liters Level Unit 2 3 2 M meters Maximum Volume 2 4 1 ...

Page 62: ... that will fit the stillpipe bypass pipe See Dimension drawings Page 185 See Mounting on a Stillpipe or Bypass Pipe Page 29 for installation guidelines This application is to obtain a level measurement and corresponding 4 to 20 mA output proportional to the oil level in a fuel storage vessel Low Calibration Pt is 5 m 16 4 ft from the sensor reference point High Calibration Pt is 0 5 m 1 64 ft from...

Page 63: ...ommended values for the propagation factor and for CLEF range are dependent on the stillpipe diameter See Propagation Factor Stillpipe Diameter for values sensor reference point low calibration point air gap CLEF range 2 5 7 4 A 700 or 1000 mm see CLEF Range settings in table below Propagation Factor Stillpipe Diameter Values Range 0 3 to 1 0 depending on pipe size Default 1 0000 Nominal Pipe Size...

Page 64: ...S 64 Operating Instructions 09 2021 A5E32221411 AH Note Flanged and Hygienic encapsulated antenna For Flanged encapsulated antenna 7ML5432 and Hygienic encapsulated antenna 7ML5433 match the process connection size to the pipe diameter For example DN 80 3 flange to DN 80 3 pipe ...

Page 65: ...Note Do not use the handheld programmer at the same time as AMS Device Manager or erratic operation may result To disable operation via the handheld programmer see Local Operation 6 2 3 AMS Device Manager can be used to monitor the process values alarms and status signals of the device It allows you to display compare adjust verify and simulate process device data Configuration and monitoring of t...

Page 66: ... through the Level Transducer Block and device parameters are accessed through the Resource Block See AMS Menu Structure Page 108 for a chart and Changing parameter settings using AMS Device Manager Page 74 for more details 7 1 2 Key features of AMS Device Manager Rev 9 0 The graphic interface in the radar device makes monitoring and adjustments easy CONFIGURE SETUP function group Block Feature Fu...

Page 67: ...e Diagnostics RESOURCE Page 95 Set schedules and reminders for device maintenance and calibration RESOURCE Security RESOURCE Page 97 Protect security and communication param eters from modification by the maintenance user DEVICE DIAGNOSTICS function group Block Feature Function LTB Alarms Errors LTB Page 98 Monitor process errors and alarms RESOURCE Alarms Errors RESOURCE Page 102 Monitor device e...

Page 68: ...aunch AMS Device Manager Add Device Type browse to the unzipped EDD file and select it 3 The device is shipped with a unique tag consisting of a manufacturer id and serial number The device tag can only be read from the device It is not necessary to change the device tag to make the device operational however if you wish to change it use AMS Device Manager Set Device Tag via AMS Device Manager 1 L...

Page 69: ... Instructions 09 2021 A5E32221411 AH 69 3 Double click the device icon to open the startup screen The startup screen shows device identification details and a navigation window on the left hand side of the screen The Block Status will show Out of Service at initial startup 4 Next complete a master reset ...

Page 70: ...Reset and click Next to perform reset to factory defaults Click Next to accept default reset to Factory Defaults Master Reset 3 Click FINISH then restart AMS to reload settings Next scan the device 7 1 5 Scan Device Scan Device uploads parameters from the device synchronizes parameters to AMS Device Manager 1 Open the pull down menu Actions Scan Device upload parameters from the device to AMS 2 Th...

Page 71: ... OK will write changes to the device and exit to the Device Connection View CANCEL will exit to the Device Connection View without applying changes Do not use the Quick Start Wizard to modify individual parameters see instead Changing parameter settings using AMS Device Manager Page 74 Perform customization only after the Quick Start has been completed Values set using the Quick Start Wizard via A...

Page 72: ...eft blank If desired make changes then click on Apply The Apply button is activated when a parameter is modified Go to Step 2 Step 2 Application Type Click on Step 2 Application Type in the navigation window Select the Application Type level or volume Propagation Factor if using a stillpipe application and the Material For a Low Dielectric Liquid application in a stilling well see example Applicat...

Page 73: ...o describe a more complex shape select Linearization Table in the Vessel Shape field and see Linearization LTB Page 79 for more details Click on Apply to save settings then go to Step 4 Step 4 Ranges Click on Step 4 Ranges in the navigation window On the tab Step 4 of 5 Ranges set the parameters and click on Apply to save settings If necessary click on the Breakpoints tab set the parameters and cl...

Page 74: ...er Note For a complete list of parameters see Parameter Reference Page 120 For more detailed explanations of the parameters listed below see the pages referenced 1 Adjust parameter values in the parameter value field in Configure Setup view then click on Apply to write the new values to the device The parameter field will display in yellow until the value has been written to the device 2 Click on ...

Page 75: ...lant unit For example can be used in the host for sorting alarms 7 1 9 2 Operation LTB Navigate to Configure Setup LTB Operation Click on Block Modes to open the dialog window for access to Block Modes Actual Mode This is the current mode of the block which may differ from the target based on operating conditions Its value is calculated as part of the block execution Target Mode see Mode 2 6 2 Per...

Page 76: ...ulation Input Allows you to simulate the sensor value which is input to the Level Transducer Block This tests everything between the Level Transducer Block and Output Note To activate simulation via AMS Device Manager or the 375 Field Communicator simulation must also be set to Enabled on the device See Simulate Enable 4 12 Simulation Simulation Value RAMP start RAMP end RAMP No of steps RAMP step...

Page 77: ...2221411 AH 77 1 To enable simulation select Fixed value or Ramp in the Simulation field 2 If you select Fixed value enter a Simulation Value 3 If you select Ramp enter the ramp start end number of steps and steplength 4 Click Apply 5 After simulation is complete set Simulation to OFF and click Apply 7 1 9 3 Setup LTB Sensor LTB ...

Page 78: ...lues Level vessel default Level stillpipe Level bypass pipe Volume vessel Volume stillpipe Volume bypass pipe Material see Material 2 3 5 Loss of Echo Timer see Loss of Echo LOE Timer 2 3 6 Calibration see Calibration 2 3 7 for details Low Calibration Point see Low Calibration Point 2 3 7 1 High Calibration Point see High Calibration Point 2 3 7 2 Sensor Offset see Sensor Offset 2 3 7 3 Low Level ...

Page 79: ...p Linearization and click on Linearization Click on the Vessel Shape tab to access the parameters listed Vessel Shape Vessel Shape see Vessel Shape 2 4 1 1 Vessel Dimensions Maximum Volume see Maximum Volume 2 4 1 2 Vessel Dimension A see Dimension A 2 4 1 3 Vessel Dimension L see Dimension L 2 4 1 4 OR Click on Breakpoints tab for access to level and volume breakpoints Note This parameter becomes...

Page 80: ...3 From the Vessel Shape tab of Configure Setup LTB Setup Linearization select Linearization Table option in the Vessel Shape field 4 Click on the Breakpoints tab and enter values for level and volume breakpoints in table The values corresponding to 100 and 0 levels must be entered The breakpoints can be ordered from top to bottom or the reverse After completing the above steps you will need to con...

Page 81: ...e Signal Processing 2 5 Near Range see Near Range 2 5 1 Far Range see Far Range 2 5 2 Propogation Factor see Propogation Factor 2 5 3 Minimum Sensor Value see Minimum Sensor Value 2 5 4 Maximum Sensor Value see Maximum Sensor Value 2 5 5 Echo Select see Echo Select 2 5 7 Algorithm see Algorithm 2 5 7 1 Position Detect see Position Detect 2 5 7 2 Echo Threshold see Echo Threshold 2 5 7 3 CLEF Range...

Page 82: ...o screen out false echoes see Time Varying Threshold TVT Page 234 and Auto False Echo Suppression 2 5 10 1 Navigate to Configure Setup LTB Setup Signal Processing and click on TVT Click on one of the two tabs to access the parameters listed TVT Setup Auto False Echo Suppression see Auto False Echo Suppression 2 5 10 1 Auto False Echo Suppression Range see Auto False Echo Suppression Range 2 5 10 2...

Page 83: ... 2 5 11 Breakpoints 1 to 40 Shaper Mode 1 Open the menu Configure Setup LTB Setup Signal Processing TVT and click on the TVT Setup tab 2 Turn Shaper Mode to On to activate Breakpoints 1 to 40 on the TVT Shaper tab Manual TVT curve Displays the effects of the TVT shaper modifications Navigate to Configure Setup LTB Setup Signal Processing and click on Manual TVT Curve ...

Page 84: ... Processing and click on Echo Profile to view the current echo profile and to access Echo Profile Parameters see Echo Profile 3 1 Level Measurement see Measured Values 2 8 Distance Measurement see Measured Values 2 8 Confidence see Confidence 2 5 9 1 Near Range see Near Range 2 5 1 To view a previous profile click the drop down arrow on the Time field and select the desired profile note available ...

Page 85: ... expected see Lifetime expected 4 3 1 Time in Operation see Time in Operation 4 3 2 Remaining Lifetime see Remaining Lifetime 4 3 3 Activation of Reminders see Activation of Reminders 4 3 4 Reminder 1 before Lifetime Required see Reminder 1 before Lifetime Required 4 3 5 Reminder 2 before Lifetime Demanded see Reminder 2 before Lifetime Demanded 4 3 6 1 Open the window Remaining Sensor Lifetime 2 ...

Page 86: ...erval 4 4 1 Time Since Last Service see Time Since Last Service 4 4 2 Time Until Next Service see Time Until Next Service 4 4 3 Activation of Reminders see Activation of Reminders 4 4 4 Reminder 1 before Lifetime Required see Reminder 1 before Service Required 4 4 5 Reminder 2 before Lifetime Demanded see Reminder 2 before Service Demanded 4 4 6 Click on Service Performed to reset Time Since Last ...

Page 87: ...2021 A5E32221411 AH 87 Electronics Temperature see Electronics Temperature 3 3 Electronics Temperature Displays the current internal temperature of the device Minimum Value see Minimum Value 3 3 1 Maximum Value see Maximum Value 3 3 2 7 1 9 7 Communication LTB Navigate to Configure Setup LTB Communication for access to ...

Page 88: ...munication Static Revision No see Static Revision Number 2 6 1 7 1 10 Configure Setup Liquid Crystal Display Block LCD 7 1 10 1 Identification LCD Navigate to Configure Setup LCD Identification Identification TAG Descriptor Transducer Block Type Strategy Plant Unit Note For descriptions of Identification parameters see Identification LTB Page 74 ...

Page 89: ... to Configure Setup LCD Operation Click on Block Modes to open the dialog window for access to Block Modes Actual Mode Target Mode Permitted Mode Normal Mode Note For descriptions of Block Modes see Operation LTB Page 75 To disable updating of the LCD remotely Actual Mode of this block should read Out of Service This is done by setting Target Mode to Out of Service 7 1 10 3 Setup LCD Navigate to C...

Page 90: ...ration is disabled remotely and no communication activity exists for 30 seconds the parameter is made visible again locally 7 1 10 4 Communication LCD Navigate to Configure Setup LCD Communication for access to Communication Static Revision No See Static Revision Number 2 6 1 7 1 11 Configure Setup Diagnostic Transducer Block DIAG Note Parameters in the Diagnostic Transducer Block used solely by f...

Page 91: ... LTB Page 74 7 1 11 2 Operation DIAG Navigate to Configure Setup DIAG Operation Block Modes Actual Mode Target Mode Permitted Mode Normal Mode Note For descriptions of Block Modes see Operation LTB Page 75 7 1 11 3 Communication DIAG Navigate to Configure Setup DIAG Communication Communication Static Revision No see Static Revision Number 2 6 1 7 1 12 Configure Setup Resource Block RESOURCE Note F...

Page 92: ...was installed in the system Strategy Used to identify grouping of blocks Plant Unit The identification number of the plant unit For example can be used in the host for sorting alarms Device read only Manufacturer see Manufacturer 5 3 Product Name The manufacturer s product name for this device Order Number The manufacturer s order number MLFB for this device Serial Number The manufacturer s unique...

Page 93: ... 12 3 Operation RESOURCE Navigate to Configure Setup RESOURCE Operation Click on Block Modes to open the dialog window for access to Block Modes Actual Mode Target Mode Permitted Mode Normal Mode Note For descriptions of Block Modes see Operations LTB Page 75 If the RESOURCE block is set to Out of Service the LTB and AIFB blocks are forced to Out of Service also but the LCD and DIAG blocks remain ...

Page 94: ...nal Resets parameters such as Block Descriptor Strategy Device Install Date Device Message Functional a Resets parameters that control device behavior and functionality such as Low Calibration Point Warm Start Has the same effect as recycling power to the device FF Object Dictionary Resets the FF standard block profile parameters such as block tags to their specified defaults This option also clea...

Page 95: ...ers see Activation of Reminders 4 2 4 Reminder 1 before Lifetime Required see Reminder 1 before Lifetime Required 4 2 5 Reminder 2 before Lifetime Demanded see Reminder 2 before Lifetime Demanded 4 2 6 1 Open the window Remaining Device Lifetime 2 After modifying values units as required click on Apply to accept the change Click on Snooze for 1 Year to add a year to the Total Expected Device Life ...

Page 96: ...emanded 4 5 6 Click on Calibration Performed to reset Time Since Last Calibration to 0 hours Wear Powered Days read only see Powered Hours 4 7 Poweron Resets read only see Power on Resets 4 8 7 1 12 5 Communication RESOURCE Navigate to Configure Setup RESOURCE Communication to read the following Manufacturer see Manufacturer 5 3 Product Name the manufacturer s product name for this device Device R...

Page 97: ...1 A5E32221411 AH 97 ITK Version see ITK Version 5 6 Static Revision No see Static Revision Number 2 6 1 7 1 12 6 Security RESOURCE Navigate to Configure Setup RESOURCE Security to access Local Access Local Write Protected see Write Protection 6 2 1 PIN to Unlock see PIN to Unlock 6 2 2 See also Password Protection Page 106 ...

Page 98: ...ed below see Parameter Description charts for the respective block in manual Foundation Fieldbus for Level Instruments 7ML19985MP01 7 1 13 1 Alarms Errors LTB Navigate to Device Diagnostics LTB Alarms Errors Click on Block Error to open the dialog window to read the following Failures Input Failure Output Failure Memory Failure Lost Static Data Lost Non Volatile Data Readback Check Device Fault St...

Page 99: ...1411 AH 99 Maintenance Maintenance Required Maintenance Demanded Information Simulation Active Local Override Power Up Out of Service XD Error Transducer Error Click on Block Alarm to open the dialog window to read the following Unacknowledged Unacknowledged Alarm State Alarm State Time Stamp Time Stamp Subcode Subcode Value Value ...

Page 100: ... AH 1 From the Block Error tab check the Maintenance window to display the level of maintenance alarm that is active 2 From the Block Alarm tab check the Alarm State window to display the level of maintenance alarm that has been acknowledged 3 From the Block Alarm tab in the Unacknowledged window select Acknowledged to acknowledge an alert ...

Page 101: ...s in step 3 above 7 1 13 2 Extended Diagnostics LTB Navigate to Device Diagnostics LTB Extended Diagnostics to read the following Detailed Error Info Loss of Echo No Tech Power Sensor Lifetime Limit1 Sensor Lifetime Limit2 Device Service Limit1 Device Service Limit2 LTB Scale Internal Temp Sensor Internal Temp High Internal Temperature Calibration Velocity Calibration Receiver Init Calibration Rec...

Page 102: ...DIAG Navigate to Device Diagnostics DIAG Alarms Errors to read Block and Alarm errors Errors displayed are the same for each block LTB LCD DIAG RESOURCE See Alarms Errors LTB Page 98 for full listing See AMS Device Manager instruction manual to work with alarms and errors 7 1 16 Device Diagnostics Resource Block RESOURCE 7 1 16 1 Alarms Errors RESOURCE Navigate to Device Diagnostics RESOURCE Alarm...

Page 103: ...larm State Alarm State Time Stamp Time Stamp Subcode Subcode Value Value Values available on Block Alarm tab are also available for Write Alarm with one exception the Value parameter on the Write Alarm tab is a Discrete Value Click on Alarm Summary tab to open the dialog window to read the following Current Discrete Alarm Block Alarm Unacknowledged Discrete Alarm Unacknowledged Block Alarm Unackno...

Page 104: ...avigate to Device Diagnostics RESOURCE Extended Diagnostics to read the following Detailed Error Info Device Lifetime Limit1 Device Lifetime Limit2 Calibration Schedule Limit1 Calibration Schedule Limit2 Memory RAM Memory EEPROM Memory EEPROM Flags Memory Flash Corrupt Stack High Stack Data Safe Read Data Safe Write Board Voltage ADC Failed Seq Corrupt Seq CP Seq Duration BC Corrupt ...

Page 105: ...ts in real time navigate to Process Variables LTB Click on Process Variables then the Values tab to read the following Primary Variable see Main Output PV Primary Value 2 8 1 Level Volume PV The primary variable and the channel 1 output from the transducer block For level applications chart range is affected by High and Low Level Point values set in Configure Setup LTB Setup Sensor For volume appl...

Page 106: ...see Near Range 2 5 1 7 1 18 Password Protection 7 1 18 1 User Manager utility Usernames passwords and permissions are assigned to users by an AMS Device Manager administrator using the User Manager utility on the Server Plus Station Only a user with AMS Device Manager System Administration rights can log in to User Manager To configure a new user edit existing user 1 From the Windows taskbar selec...

Page 107: ...the admin username immediately after installing AMS Device Manager Each user is given an AMS Device Manager username and password and required to enter them when they start AMS Device Manager Access to functions depends on the level of permissions granted Login types standard local or domain A standard user can change their password in AMS Device Manager A Local or Domain Windows user cannot chang...

Page 108: ...Remote operation 7 1 Operating via AMS Device Manager SITRANS LR250 with FOUNDATION FIELDBUS 108 Operating Instructions 09 2021 A5E32221411 AH 7 1 19 AMS menu structure ...

Page 109: ...Remote operation 7 1 Operating via AMS Device Manager SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 109 ...

Page 110: ...Remote operation 7 1 Operating via AMS Device Manager SITRANS LR250 with FOUNDATION FIELDBUS 110 Operating Instructions 09 2021 A5E32221411 AH ...

Page 111: ...Remote operation 7 1 Operating via AMS Device Manager SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 111 ...

Page 112: ...Remote operation 7 1 Operating via AMS Device Manager SITRANS LR250 with FOUNDATION FIELDBUS 112 Operating Instructions 09 2021 A5E32221411 AH ...

Page 113: ...Remote operation 7 1 Operating via AMS Device Manager SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 113 ...

Page 114: ...Remote operation 7 1 Operating via AMS Device Manager SITRANS LR250 with FOUNDATION FIELDBUS 114 Operating Instructions 09 2021 A5E32221411 AH ...

Page 115: ...Remote operation 7 1 Operating via AMS Device Manager SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 115 ...

Page 116: ...Remote operation 7 1 Operating via AMS Device Manager SITRANS LR250 with FOUNDATION FIELDBUS 116 Operating Instructions 09 2021 A5E32221411 AH ...

Page 117: ...Remote operation 7 1 Operating via AMS Device Manager SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 117 ...

Page 118: ...Remote operation 7 1 Operating via AMS Device Manager SITRANS LR250 with FOUNDATION FIELDBUS 118 Operating Instructions 09 2021 A5E32221411 AH ...

Page 119: ...Remote operation 7 1 Operating via AMS Device Manager SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 119 ...

Page 120: ...a the LUI however they may be accessible via other tools For those accessible via AMS Device Manager directions are shown in section Operating via AMS Device Manager on the pages referenced Quick Start Wizard The Quick Start Wizard groups together all the settings you need to configure a device for a simple application You can access it either via AMS Device Manager or via the handheld programmer ...

Page 121: ...andheld programmer Identification 2 1 Tag 2 1 1 Read only Text that can be used in any way A recommended use is as a unique label for a field device in a plant Limited to 32 ASCII characters Note The tag can only be changed from a remote master such as NIFBUS Configurator or DeltaV Descriptor 2 1 2 Read only Text that can be used in any way Limited to 32 ASCII characters No specific recommended us...

Page 122: ...n 2 2 3 Read only Corresponds to the software used to update the Field Device Sensor 2 3 Unit 2 3 1 Sensor measurement unit Values m cm mm ft in m Level Unit 2 3 2 Select engineering units for Level Options m cm mm ft in PV Units volume level 2 3 3 Note Default unit of AIFB 1 or 2 is percent You can select a different unit for your application PV Primary Value the output from the Level Transducer ...

Page 123: ...en application type by changing one or more of the following parameters Propagation Factor 2 5 3 Position Detect 2 5 7 2 and or CLEF Range 2 5 7 4 Options LIQUID LIQUID LOW DK a low dielectric liquid CLEF algorithm enabled Related parameters Propagation Factor 2 5 3 Position Detect 2 5 7 2 CLEF Range 2 5 7 4 a dK 3 0 You can configure each of the related parameters to suit your particular applicat...

Page 124: ...N80 80A sizes and larger Page 202 Values Range 0 00 to 20 00 m Default 20 00 m Related parameters Unit 2 3 1 Far Range 2 5 2 High Calibration Point 2 3 7 2 Distance from sensor reference point 1 to High Calibration Point corresponding to High Level Point Units are defined in Unit 2 3 1 See Low Calibration Point 2 3 7 1 for an illustration Values Range 0 00 to 20 00 m Default 0 00 m Related paramet...

Page 125: ...s 7ML19985MP01 for more details on sensor offset Low Level Point 2 3 7 4 The level when the material is at Low Calibration Point The unit is defined in Level Unit 2 3 2 Values Range 999999 to 999999 Default 0 High Level Point 2 3 7 5 The level when the material is at High Calibration Point The unit is defined in Level Unit 2 3 2 Values Range 999999 to 999999 Default 100 Level Offset 2 3 7 6 A cons...

Page 126: ...to 999999 m min Response Rate 2 3 8 1 Fill Rate per Minute 2 3 8 2 Slow 0 1 m min 0 32 ft min Medium 1 0 m min 3 28 ft min Fast 10 0 m min 32 8 ft min Altered by Response Rate 2 3 8 1 Related parameters Level Unit 2 3 2 Enter a value slightly greater than the maximum vessel filling rate in units per minute Empty Rate per Minute 2 3 8 3 Defines the maximum rate at which the reported sensor value is...

Page 127: ...d of level If None is selected no volume conversion is performed Select the vessel shape matching the monitored vessel or reservoir Vessel Shape LCD DISPLAY Description Also required None NONE No volume calculation required N A CYLINDER Flat end horizontal cylinder Maximum volume SPHERE Sphere Maximum volume LINEAR Upright linear flat bot tom Maximum volume CONICAL BOT Conical or pyramidal bot tom...

Page 128: ...evel breakpoints volume breakpoints a Linearization Table must be selected in order for level volume values see XY index 2 4 1 5 to be transferred Maximum Volume 2 4 1 2 The maximum volume of the vessel Units are defined in PV Units volume level 2 3 3 Enter the vessel volume corresponding to High Calibration Point The volume calculation is based on the maximum volume and scaled according to the ve...

Page 129: ...cal section of a horizontal parabolic end vessel in Level Units See Vessel Shape 2 4 1 1 for an illustration Values Range 0 0000 to 999999 in Level Units Default 0 0 Related Parameters Vessel Shape 2 4 1 1 XY index 2 4 1 5 Level Volume breakpoints allow you to define a complex vessel shape as a series of segments A value is assigned to each level breakpoint and a corresponding value is assigned to...

Page 130: ...nits 3 Go to XY index 2 4 1 5 and enter the number of the breakpoint you wish to adjust for example for breakpoint 1 enter 1 4 Go to X value 2 4 1 6 and enter the level value for the breakpoint just identified 5 Go to Y value 2 4 1 7 and enter the volume value for the breakpoint just identified 6 Repeat steps 3 to 5 until values have been entered for all required breakpoints X value 2 4 1 6 See XY...

Page 131: ...el Allows the material level to drop below Low Calibration Point without generating a Loss of Echo LOE state See Low Calibration Pt 2 3 7 1 for an illustration Values Range Min Low Calibration Pt Max 33 m 108 27 ft Default Value for Low Calibration Pt 1 m 3 28 ft Related parameters Unit 2 3 1 CLEF Constrained Leading Edge Fit Range 2 5 7 4 a a The value set for Far Range becomes the CLEF Range max...

Page 132: ... reference point see A in graphic below sensor reference point low calibration point air gap CLEF range 2 5 7 4 A 700 or 1000 mm Note Flanged encapsulated antenna For Flanged encapsulated antenna 7ML5432 match the process connection size to the pipe diameter whenever possible for example mount a DN80 3 flange on DN80 3 pipe Minimum Sensor Value 2 5 4 The minimum usable value for the measuring rang...

Page 133: ...rid Center and CLEF CLEF Constrained Leading Edge Fit Related parameters CLEF Range 2 5 7 4 If the vessel bottom is being reported as the level instead of the actual material level at low level conditions or if the dielectric constant of the liquid to be monitored is less than 3 we recommend setting Position Detect to Hybrid and CLEF Constrained Leading Edge Fit Range 2 5 7 4 to 0 5 m 1 64 ft Echo...

Page 134: ...7 Values Range 0 to 20 m 0 to 65 6 ft Default 0 0 m Related parameters Position Detect 2 5 7 2 CLEF Range Sensor reference point Low calibration point process empty level In applications with low dK materials we recommend setting CLEF Range to 0 5 m 1 64 ft and Position Detect 2 5 7 2 to Hybrid Sampling 2 5 8 Provides a method of checking the reliability of a new echo before accepting it as the va...

Page 135: ...ault 5 Down Sampling 2 5 8 3 Specifies the number of consecutive echoes that must appear below the echo currently selected before the measurement is accepted as valid Values Range 1 to 50 Default 2 see Related parameters Related parameters Echo Lock 2 5 8 1 If Echo Lock set to any value other than its default 2 then Down Sampling default 5 Echo Quality 2 5 9 Confidence 2 5 9 1 Indicates echo relia...

Page 136: ...hen Auto False Echo learns the environment Set Auto False Echo Suppression Range to a shorter distance to avoid the material echo being screened out Set Auto False Echo Suppression and Auto False Echo Suppression Range during startup if possible If the vessel contains an agitator it should be running Before adjusting these parameters rotate the instrument for best signal lower false echo amplitude...

Page 137: ...T material level false echo 1 Determine Auto False Echo Suppression Range Measure the actual distance from the sensor reference point to the material surface using a rope or tape measure 2 Subtract 0 5 m 20 from this distance and use the resulting value After Auto False Echo Suppression false echo material level learned TVT default TVT Auto False Echo Suppression Range echo marker ...

Page 138: ...cho profile as a percentage of the difference between the peak of the largest echo in the profile and the noise floor See Auto False Echo Suppression 2 5 10 1 for an illustration Values Range 0 to 100 Default 40 When the device is located in the center of the vessel the TVT hover level may be lowered to increase the confidence level of the largest echo Shaper Mode 2 5 10 4 Enables disables TVT sha...

Page 139: ...ired breakpoint values have been entered Breakpoint 1 9 2 5 11 1 Values Range 100 to 100 bits equivalent to 50 to 50 dB Default 0 dB Breakpoint 10 18 2 5 11 2 Values Range 100 to 100 bits equivalent to 50 to 50 dB Default 0 dB Breakpoint 19 27 2 5 11 3 Values Range 100 to 100 bits equivalent to 50 to 50 dB Default 0 dB Breakpoint 28 36 2 5 11 4 Values Range 100 to 100 bits equivalent to 50 to 50 d...

Page 140: ...5MP01 for further details Static Revision Number 2 6 1 The revision level of the static data associated with Analog Input Function Block 1 The Static Revision No is updated whenever a configuration parameter is changed Mode 2 6 2 Used to request an operating mode from the Analog Input Function Block Options Auto Mode AUTO Manual Mode MAN Out of Service OOS Allows you to put the SITRANS LR250 into ...

Page 141: ...aded Horn Antenna with extension Page 191 Input Scaling 2 6 4 Lower Value 2 6 4 1 Defines the operational lower range value of the input value Process Value Scale in PV volume level Units Process Value Scale normalizes the input value to a customer defined range Values Range 999999 to 999999 Default 0 Upper Value 2 6 4 2 Defines the operational upper range value of the input value Process Value Sc...

Page 142: ... 2 6 4 4 Read only The number of digits to display after the decimal point set to 0 decimal places Output Scaling 2 6 5 Scales the Process Variable The function block parameter OUT SCALE contains the values of the lower limit and upper limit effective range in AIFB 1 units Lower Value 2 6 5 1 Defines the operational lower range value of the output value in AIFB 1 units Values Range 999999 to 99999...

Page 143: ...cimal point set to two decimal places Alarms and Warnings 2 6 6 High Limit Alarm 2 6 6 1 The setting for the upper alarm limit in AIFB1 units Values Range Infinity to Infinity Default Inf High Limit Warning 2 6 6 2 The setting for the upper warning limit in AIFB1 units Values Range Infinity to Infinity Default Inf Low Limit Warning 2 6 6 3 The setting for the lower warning limit in AIFB1 units Val...

Page 144: ...lay 2 6 7 Filter Time Constant 2 6 7 1 The time constant for the damping filter The damping filter smooths out the response to a sudden change in level This is an exponential filter and the engineering unit is always in seconds See Damping Page 240 for more detail Values Range 0 to 600 s Default 0 a a To meet accuracy specification Filter Time Constant PV_FTIME must be changed from default of 0 0 ...

Page 145: ...meter of a maintenance pair automatically clears a fault in the second parameter of the pair For example entering S3 or S4 will clear a fault on Device Lifetime Reminder 1 Maintenance Required and on Device Lifetime Reminder 2 Maintenance Demanded This applies when clearing faults via the handheld programmer or the 375 Field Communicator Fault code Description S3 Device Lifetime Reminder 1 Mainten...

Page 146: ...perature Units 2 3 4 Peak Values 3 4 Minimum Measured Value 3 4 1 The minimum recorded Sensor value reported in units defined in Unit 2 3 1 Maximum Measured Value 3 4 2 The maximum recorded Sensor value reported in units defined in Unit 2 3 1 Service 4 Note Default settings in the parameter tables are indicated with an asterisk unless explicitly stated Master Reset 4 1 Note The following parameter...

Page 147: ...etails To access via AMS Device Manager see Master Reset under Operation RESOURCE Page 93 To perform a reset via the handheld programmer 1 Press RIGHT arrow to open Edit Mode then scroll down to the desired reset type and press RIGHT arrow to select it 2 Press LEFT arrow to exit After performing a master reset the device will stop measuring the Resource and Level Transducer Blocks will go to Out o...

Page 148: ...nce REQuired REMinder 2 Maintenance DEManded REMinders 1 AND 2 Maintenance Required and Maintenance Demand ed OFF 1 First set the reminder values in Reminder 1 before Lifetime Required 4 2 5 Reminder 2 before Lifetime Demanded 4 2 6 2 Select the desired Activation of Reminders option Reminder 1 before Lifetime Required 4 2 5 If Remaining Lifetime 4 2 3 is equal to or less than this value the devic...

Page 149: ...Four sets of parameters allow you to monitor the Device Sensor Lifetimes and set up Maintenance Service schedules based on operating hours instead of a calendar based schedule See also Remaining Device Lifetime 4 2 Service Schedule 4 4 and Calibration Schedule 4 5 Performing a reset to Factory Defaults will reset all the Maintenance Schedule parameters to their factory defaults The device operates...

Page 150: ...tenance Required and Maintenance Demanded OFF 1 First set the values in Reminder 1 before Lifetime Required 4 3 5 Reminder 2 before Lifetime Demanded 4 3 6 2 Select the desired Activation of Reminders option Reminder 1 before Lifetime Required 4 3 5 If Remaining Lifetime 4 3 3 is equal to or less than this value the device generates a Maintenance Required reminder Values Range 0 to 20 years Defaul...

Page 151: ...parameters allow you to monitor the Device Sensor Lifetimes and set up Maintenance Service schedules based on operating hours instead of a calendar based schedule See also Remaining Device Lifetime 4 2 Remaining Sensor Lifetime 4 3 and Calibration Schedule 4 5 Performing a reset to Factory Defaults will reset all the Maintenance Schedule parameters to their factory defaults The device operates in ...

Page 152: ...4 1 less Time Since Last Service 4 4 2 Activation of Reminders 4 4 4 Allows you to enable a maintenance reminder Options Timer OFF ON NO LIMITS ON REMinder 1 Maintenance Required checked ON REMinders 1 and 2 checked ON REMinder 2 Maintenance Demanded checked 1 First set the values in Reminder 1 before Service Required 4 4 5 Reminder 2 before Service Demanded 4 4 6 2 Select the desired Activation o...

Page 153: ...d Acknowledge 4 4 9 Acknowledges the current maintenance reminder To acknowledge a reminder via the handheld programmer 1 Press RIGHT arrow twice to open parameter view and activate Edit Mode 2 Press RIGHT arrow to acknowledge the reminder Calibration Schedule 4 5 Note Default settings in the parameter tables are indicated with an asterisk unless explicitly stated Four sets of parameters allow you...

Page 154: ...on Can be reset to zero after performing a calibration To reset to zero Via the handheld programmer manually reset Time Since Last Calibration 4 5 2 to zero Time Until Next Calibration 4 5 3 Read only Calibration Interval 4 5 1 less Time Since Last Calibration 4 5 2 Activation of Reminders 4 5 4 Allows you to enable a maintenance reminder Options Timer OFF ON NO LIMITS ON REMinder 1 Maintenance Re...

Page 155: ...inder that is active in AMS Device Manager see Extended Diagnostics under Device Diagnostics Resource Block RESOURCE Page 102 Acknowledge Status 4 5 8 Indicates which level of maintenance reminder has been acknowledged Acknowledge 4 5 9 Acknowledges the current maintenance reminder To acknowledge a reminder via the handheld programmer 1 Press RIGHT arrow twice to open parameter view and activate E...

Page 156: ...m temperature and in average light conditions Change the value in small steps to ensure you can continue to read the display Secondary Value 4 11 Use the secondary value to capture the menu navigation path to any viewable parameter Once the navigation path is stored the value of that parameter will be displayed in Measurement mode as the secondary value While in Parameter View of the current param...

Page 157: ...such as NIFBUS Configurator or DeltaV See Addressing in manual Foundation Fieldbus for Level Instruments 7ML19985MP01 for further details Read only The unique address of the device on the network Values Temporary range during initial commissioning 248 251 Permanent range after commissioning complete written to non volatile memory in the device 16 247 Manufacturer 5 3 Name of manufacturer associate...

Page 158: ...S Device Manager Options OFF Remote operation enabled ON Remote operation disabled Local Access 6 2 Write Protection 6 2 1 Note Do not lose this number value Prevents any changes to parameters via AMS Device Manager or the handheld programmer Hand held pro grammer values Range 0 to 9999 Unlock value stored in PIN to Unlock 6 2 2 Lock Off Any other value Lock On To turn Lock On key in any value oth...

Page 159: ... Not restored by a reset to Factory Defaults Display when Lock is on To access this parameter via AMS Device Manager see Local Access under Security RESOURCE Page 97 Local Operation 6 2 3 Enables or disables programming via the handheld programmer Options DISABLED ENABLED Note Once disabled via the handheld programmer the parameter is no longer visible via LUI and can only be reset using AMS Devic...

Page 160: ...8 Acknowledge Status 4 4 8 Acknowledge Status 4 5 8 AIFB1 2 6 AIFB2 2 7 Alarms and Warnings 2 6 6 Algorithm 2 5 7 1 Auto False Echo Suppression 2 5 10 1 Auto False Echo Suppression Range 2 5 10 2 Breakpoints 1 9 2 5 11 1 Breakpoints 10 18 2 5 11 2 Breakpoints 19 27 2 5 11 3 Breakpoints 28 36 2 5 11 4 Breakpoints 37 40 2 5 11 5 Calibration 2 3 7 Calibration Interval 4 5 1 Calibration Schedule 4 5 C...

Page 161: ...Quality 2 5 9 Echo Select 2 5 7 Echo Strength 2 5 9 2 Echo Threshold 2 5 7 3 Electronics Temperature 3 3 Empty Rate per Minute 2 3 8 3 Far Range 2 5 2 Fault Reset 3 2 Fill Rate per Minute 2 3 8 2 Filter Time Constant 2 6 7 1 Firmware Revision 2 2 2 Hardware Revision 2 2 1 High Calibration Pt 2 3 7 2 High Level Point 2 3 7 5 High Limit Alarm 2 6 6 1 High Limit Warning 2 6 6 2 Hover Level 2 5 10 3 I...

Page 162: ...w Limit Warning 2 6 6 3 Lower Value 2 6 4 1 Lower Value 2 6 5 1 Main Output PV Primary Value 2 8 1 Maintenance Status 4 2 7 Maintenance Status 4 3 7 Maintenance Status 4 4 7 Maintenance Status 4 5 7 Manufacturer Date 4 6 Manufacturer 5 3 Master Reset 4 1 Material 2 3 5 Maximum Measured Value 3 4 2 Maximum Sensor Value 2 5 5 Minimum Value 3 3 2 Maximum Volume 2 4 1 2 Measured Values 2 8 Message 2 1...

Page 163: ...nsor Lifetime 4 3 Remaining Lifetime 4 3 3 Reminder 1 before Lifetime Required 4 2 5 Reminder 1 before LIfetime Required 4 3 5 Reminder 1 before Service Required 4 4 5 Reminder 1 before Calibration Required 4 5 5 Reminder 2 before Lifetime Demanded 4 2 6 Reminder 2 before Lifetime Demanded 4 3 6 Reminder 2 before Service Demanded 4 4 6 Reminder 2 before Calibration Demanded 4 5 6 Remote Access 6 1...

Page 164: ...Revision Number 2 6 1 Tag 2 1 1 Tag 5 1 Temperature Units 2 3 4 Time Until Next Calibration 4 5 3 Time Until Next Service 4 4 3 TVT Auto False Echo Suppression setup 2 5 10 TVT Shaper 2 5 11 Unit 2 3 1 Unit 2 6 4 3 Unit 2 6 5 3 Up Sampling 2 5 8 2 Upper Value 2 6 4 2 Upper Value 2 6 5 2 Vessel Shape 2 4 1 1 Volume 2 4 1 Write Protection 6 2 1 X value 2 4 1 6 XY index 2 4 1 5 Y value 2 4 1 7 ...

Page 165: ...ices for safety related applications 9 2 Cleaning The radar device requires no cleaning under normal operating conditions Under severe operating conditions the antenna may require periodic cleaning If cleaning becomes necessary Note the antenna material and the process medium and select a cleaning solution that will not react adversely with either Remove the device from service and wipe the antenn...

Page 166: ...can include for example check of Ambient conditions Seal integrity of the process connections cable entries and cover Reliability of power supply lightning protection and grounds WARNING Maintenance during continued operation in a hazardous area There is a risk of explosion when carrying out repairs and maintenance on the device in a hazardous area Isolate the device from power or Ensure that the ...

Page 167: ...ectronics 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 Replacing the lens 1 Remove existing lens by turning it counter clockwise until it separates from the unit 2 Replace the O ring between the lens and process connection with a new one 3 Carefully th...

Page 168: ... size Part number ISO2852 Hygienic encapsulated antenna Lens and silicon O ring 2 A5E32572731 3 A5E32572745 4 A5E32572747 DIN11851 Hygienic encapsulated antenna Lens and silicon O ring DN50 A5E32572758 DN80 A5E32572770 DN100 A5E32572772 DIN11864 1 Hygienic encapsulated antenna Lens and silicon O ring DN50 A5E32572773 DN80 A5E32572779 DN100 A5E32572782 DIN11864 2 3 Hygienic encapsulated antenna Len...

Page 169: ...fic regulations valid in your country Further information about devices containing batteries can be found at Information about battery product return WEEE https support industry siemens com cs document 109479891 9 5 Return procedure To return a product to Siemens see Returns to Siemens www siemens com returns to siemens Contact your Siemens representative to clarify if a product is repairable and ...

Page 170: ...actual material level Ensure the Channel selection and Scaling in AIFB 1 are correctly entered Ensure AIFBs are scheduled and in Auto mode Ensure High Calibration Point is correctly entered View the echo profile to see if the wrong echo is be ing selected If so see Operation Troubleshooting Page 176 for possible causes and corrective action The AIFB output is not equal to the displayed value regar...

Page 171: ...lue has reached a tolerance limit 1 Configuration error Device will not work because one or more parameters components is incorrectly configured 2 Configuration warning Device can work but one or more parameters components is incorrectly configured 3 Configuration changed Device parameterization not consistent with parameterization in project Look for info text 1 Manual operation local override Co...

Page 172: ...ct your local Siemens representative S 3 Device is nearing its lifetime limit as defined in Remaining Lifetime 4 2 3 and has triggered a Maintenance Required reminder 4 2 5 Replacement is recommended S 4 Device is nearing its lifetime limit as defined in Remaining Lifetime 4 2 3 and has triggered a Maintenance Demanded reminder 4 2 6 Replacement is recommended S 6 Sensor is nearing its lifetime li...

Page 173: ... 5 5 Perform calibration S 18 Calibration interval 4 5 1 has expired and has triggered a Maintenance Demanded reminder 4 5 6 Perform calibration S 22 Time Base Fault Hardware problem contact your local Siemens representa tive S 28 Internal device failure caused by a RAM memory error Repair required contact your local Siemens representative S 29 EEPROM damaged Repair required contact your local Sie...

Page 174: ... and FB schedule S 93 High Stack Contact your local Siemens representative and provide con figuration file and FB schedule S 94 Data Safe Read Re apply configuration and cycle power If fault persists contact your local Siemens representative S 95 Data Safe Write Re apply configuration and cycle power If fault persists contact your local Siemens representative S 96 Safe Process Data Corrupt Contact...

Page 175: ... and provide con figuration file and FB schedule S 106 Seq CP Re install firmware firmware upgrade If fault persists con tact your local Siemens representative S 107 Seq Duration Increase update rate limit If fault persists contact your local Siemens representative S 108 BC Corrupt Contact your local Siemens representative and provide con figuration file and FB schedule S 109 BC Start Re install f...

Page 176: ...tive 10 3 Operation troubleshooting Operating symptoms probable causes and resolutions Symptom Cause Action Display shows level or target is out of range check specifications check Low Calibration Pt 2 3 7 1 increase Confidence 2 5 9 1 Display shows material build up on antenna clean the antenna re locate SITRANS LR250 Display shows location or aiming poor installation flange not level Auto False ...

Page 177: ...ding erratic echo confidence weak refer to Confidence 2 5 9 1 use Auto False Echo Suppression 2 5 10 1 and Auto False Echo Suppression Range 2 5 10 2 use foam deflector or stillpipe liquid surface vortexed decrease Fill Rate 2 3 8 2 relocate device to side pipe increase confidence threshold in Echo Threshold 2 5 7 3 material filling Re locate SITRANS LR250 Reading response slow Fill Rate 2 3 8 2 s...

Page 178: ...Ambient temperature 15 to 25 C 59 to 77 F Humidity 45 to 75 relative humidity Ambient pressure 860 to 1060 mbar a 86000 to 106000 N m2 a Interference reflections minimum 20 dB lower than the main target reflec tions Measurement Accuracy measured in accordance with IEC 60770 1 Maximum measured error 3 mm 0 12 1 2 3 including hysteresis and non repeatability Frequency K band Maximum measurement rang...

Page 179: ...psulated antennas and Hygienic encapsulated antennas the maximum measured error 500 mm from the sensor reference point 25 mm 1 4 From sensor reference point see Dimension drawings Page 185 and Flanged Horn with extension Page 198 5 20 m 65 6 ft possible in a stillpipe bypass 6 Minimum range is antenna length 50 mm 2 See Dimension drawings Page 185 7 Reference conditions Response Rate 2 4 1 set to ...

Page 180: ...coated exterior PTFE flanged En capsulated Process connec tion Flange 2 3 4 6 ASME 150 lb DN50 DN80 DN100 DN150 PN10 16 50A 80A 100A 150A JIS 10K Wetted materials TFMTM 1600 PTFE lens PTFE hygenic en capsulated Hygienic encapsulated antenna HEA connection ISO 2852 2 3 4 DIN 11851 DN50 DN80 DN100 DIN 11864 1 2 3 DN50 DN80 DN100 Tuchenhagen Type F 50 mm and Type N 68 mm 316L 1 4404 or 316L 1 4435 st...

Page 181: ... lb 50 A JIS 10K FEA approximately 6 5 kg 14 3 lb 80 A JIS 10K FEA approximately 9 kg 19 8 lb 100 A JIS 10K FEA approximately 10 1 kg 22 3 lb 150 A JIS 10K approximately 16 3 kg 35 9 lb 2 ISO2852 HEA approximately 4 7 kg 10 4 lb 3 ISO2852 HEA approximately 6 3 kg 13 9 lb 4 ISO2852 HEA approximately 6 8 kg 15 lb DN50 DIN 11864 1 HEA approximately 4 8 kg 10 6 lb DN80 DIN 11864 1 HEA approximately 6 ...

Page 182: ...e process connection antenna materials and vessel pressure For more detailed information see Maximum Process Temperature Chart Page 241 and Process Pressure Temperature derating curves Page 242 Temperature at process con nection Stainless steel horn an tenna Threaded or Flanged with FKM O ring 40 to 200 C 40 to 392 F with FFKM O ring 20 to 200 C 4 to 392 F Painted aluminum horn with polypropylene ...

Page 183: ...da INMETRO DNV 12 0090 X Ex ia IIC T4 Ga Ex ia ta IIIC T100 ºC Da IP67 IP68 40 C Ta 80 C Brazil NEPSI Ex ia IIC T4 Ga Ex iaD tD A20 IP67 T100 ºC China Non Sparking Page 43 ATEX II 3 G Ex ec IIC T4 Gc Europe UKEX II 3 G Ex ec IIC T4 Gc UK NEPSI Ex nA IIC T4 Gc China Non incendive Page 44 FM CSA Class I Div 2 Groups A B C D T5 US Canada Marine Lloyd s Register of Shipping ABS Type Approval BV Type A...

Page 184: ...lpha code L Year 2020 Alpha code M Siemens Infrared IS Intrinsically Safe Handheld Programmer for hazardous and all other locations battery is non replaceable Approvals CE and UKCA FM CSA Class I II III Div 1 Gr A to G T6 ATEX 1 GD Ex ia op is IIC T4 Ga Ex ia op is IIIC T135 C Da UKEX 1 GD Ex ia op is IIC T4 Ga Ex ia op is IIIC T135 C Da IECEx Ex ia op is IIC T4 Ga Ex ia op is IIIC T135 C Da INMET...

Page 185: ...50 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 185 Dimension drawings 12 12 1 Universal polymeric flange Bolt hole circle max diameter Bolt hole circle min diameter Bolt hole Flange O D ...

Page 186: ...21 A5E32221411 AH Nominal pipe size Flange O D Thickness Bolt hole circle max Bolt hole circle min Ø Bolt hole radius No of slotted holes 3 80 7 87 200 0 7 17 5 6 30 160 5 91 150 0 37 9 5 8 4 100 9 00 229 0 7 17 5 7 52 191 6 89 175 0 37 9 5 8 6 150 11 22 285 0 7 17 5 9 53 242 9 45 140 0 45 11 5 8 Dimensions are in inch mm ...

Page 187: ... horn antenna SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 187 12 2 Aluminum horn antenna NPT or M20 cable entry threaded cover process connection tag Aluminum horn antenna Dimensions in mm inch ...

Page 188: ...RANS LR250 with FOUNDATION FIELDBUS 188 Operating Instructions 09 2021 A5E32221411 AH 12 3 Mounting bracket Stainless steel socket head screw 4 M5 x 0 8 x 14 screws washers lock washers Mounting bracket 2 M5 x 0 8 x 16 screws washers lock washers ...

Page 189: ...perating Instructions 09 2021 A5E32221411 AH 189 2 M5 x 0 8 x 16 screws washers lock washers nylon insert lock nuts Dimensions in mm inch Note Torque the bracket screws to 5 Nm 3 7ft lbs to hold the aiming adjustment of the antenna Wall and ceiling mount for free space applications ...

Page 190: ...e SITRANS LR250 with FOUNDATION FIELDBUS 190 Operating Instructions 09 2021 A5E32221411 AH 12 4 Aluminum horn with polypropylene lens antenna and polymeric flange NPT or M20 cable entry threaded cover process connection tag aluminum horn with polypropylene lens antenna Dimensions in mm inch ...

Page 191: ...nformation on the process connection tag Reference drawing listed on the tag is available for download from our website under Support Installation drawings Level Measurement Continuous Radar LR250 Product page http www siemens com LR250 Process connection drawings are also available for download from the Installation Drawings page Signal amplitude increases with horn diameter so use the largest pr...

Page 192: ...ion tag 3 horn horn 4 horn sensor reference point horn O D Dimensions in mm inch Threaded horn dimensions Antenna Type Antenna O D mm inch Height to sensor reference point mm inch a Beam An gle b Measurement range m ft 1 1 2 threaded con nection 2 threaded connection 3 threaded connection 1 5 39 8 1 57 135 5 3 N A N A 19 10 32 8 2 47 8 1 88 N A 166 6 55 180 7 09 15 20 65 6 3 74 8 2 94 N A 199 7 85...

Page 193: ...250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 193 a Height from bottom of horn to sensor reference point as shown see dimension drawing b 3dB in the direction of the polarization axis For an illustration see Polarization reference point Page 29 ...

Page 194: ...FIELDBUS 194 Operating Instructions 09 2021 A5E32221411 AH 12 6 Stainless steel threaded horn antenna with extension NPT cable entry or M20 cable gland enclosure electronics threaded cover retaining collar 2 horn process connection tag 3 horn horn 4 horn sensor reference point horn O D Dimensions in mm inch ...

Page 195: ...Beam An gle b Measurement range m ft 1 1 2 threaded con nection 2 threaded connection 3 threaded connection 1 5 39 8 1 57 235 9 25 N A N A 19 10 32 8 2 47 8 1 88 N A 266 10 47 280 11 02 15 20 65 6 3 74 8 2 94 N A 299 11 77 313 12 32 10 20 65 6 4 94 8 3 73 N A 354 13 94 368 14 49 8 20 65 6 a Height from bottom of horn to sensor reference point as shown see dimension drawing b 3dB in the direction o...

Page 196: ...horn retaining collar horn O D process connection tag enclosure electronics sensor reference point Dimensions in mm inch Flanged Horn dimensions Nominal horn size mm inch Horn O D mm inch Height to sensor reference point mm inch a Beam angle b Measurement range m ft Stainless steel flange raised or flat face Optional alloy flange c 50 2 47 8 1 88 135 3 5 32 138 3 5 44 15 20 65 6 80 3 74 8 2 94 168...

Page 197: ...xtension Page 198 See also Raised Face flange Page 223 or Flat Face flange Page 227 b 3dB in the direction of the polarization axis see Polarization reference point Page 29 for an illustration c Optional alloy N06022 2 4602 Hastelloy C 22 or equivalent See Raised Face Flange Dimensions Page 223 Note Heights to sensor reference point are for stainless steel flanges For optional alloy N06022 2 4602 ...

Page 198: ...N FIELDBUS 198 Operating Instructions 09 2021 A5E32221411 AH 12 8 Stainless steel flanged horn antenna with extension NPT cable entry or M20 cable gland flange threaded cover name plate horn retaining collar horn O D process connection tag enclosure electronics sensor reference point Dimensions in mm inch ...

Page 199: ...238 3 9 38 15 20 65 6 80 3 74 8 2 94 268 3 10 56 271 3 10 68 10 100 4 94 8 3 73 323 3 12 73 326 3 12 85 8 a Height from bottom of horn to sensor reference point as shown See also Stainless steel flanged horn antenna Page 196 or Flat Face Flange Page 227 b 3dB in the direction of the polarization axis see Polarization reference point Page 29 for an illustration c Optional alloy N06022 2 4602 Hastel...

Page 200: ...0 50A sizes only NPT cable entry or M20 cable gland flange threaded cover see table below see table below see table below enclosure sensor reference point retaining collar see table below Dimensions in mm inch Flanged encapsulated antenna 2 DN50 50A dimensions Flange size mm inch mm inch mm inch mm inch 1 2 DN50 50A 263 10 35 223 8 78 274 10 79 11 0 43 1 Height from tip of lens to sensor reference...

Page 201: ...AH 201 Flange size Flange class Flange O D mm inch Antenna aperture size mm inch Beam angle 1 Measurement range m ft 2 150 LB 152 5 98 50 1 97 12 8 10 32 8 2 DN50 PN10 16 165 6 50 50A 10K 155 6 10 1 3 dB in the direction of the polarization axis 2 20m if installed in stillpipe See Raised Face Flange per EN 1092 1 Page 225 and Polarization reference point Page 29 ...

Page 202: ...FIELDBUS 202 Operating Instructions 09 2021 A5E32221411 AH 12 10 PTFE Flanged encapsulated antenna 3 DN80 80A sizes and larger NPT cable entry or M20 cable gland retaining collar threaded cover see table below see table below see table below enclosure sensor reference point flange see table below Dimensions in mm inch ...

Page 203: ... 11 54 348 13 70 15 0 59 1 Height from tip of lens to sensor reference point as shown See also Raised Face Flange per EN 1092 1 Flange size Flange class Flange O D mm inch Antenna aperture size mm inch Beam angle 1 Measurement range m ft 3 150 LB 190 7 48 75 2 95 9 6 20 65 6 DN80 PN10 16 200 7 87 80A 10K 185 7 28 4 150 LB 230 9 06 75 2 95 9 6 20 65 6 DN100 PN10 16 220 8 66 100A 10K 210 8 27 6 150 ...

Page 204: ...ygienic encapsulated antenna 2 ISO 2852 sanitary clamp SITRANS LR250 with FOUNDATION FIELDBUS 204 Operating Instructions 09 2021 A5E32221411 AH 12 11 Hygienic encapsulated antenna 2 ISO 2852 sanitary clamp Dimensions in mm inch ...

Page 205: ...ygienic encapsulated antenna 3 ISO 2852 sanitary clamp SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 205 12 12 Hygienic encapsulated antenna 3 ISO 2852 sanitary clamp Dimensions in mm inch ...

Page 206: ...ygienic encapsulated antenna 4 ISO 2852 sanitary clamp SITRANS LR250 with FOUNDATION FIELDBUS 206 Operating Instructions 09 2021 A5E32221411 AH 12 13 Hygienic encapsulated antenna 4 ISO 2852 sanitary clamp Dimensions in mm inch ...

Page 207: ...1 SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 207 12 14 Hygienic encapsulated antenna DN50 nozzle slotted nut to DIN 11851 Dimensions in mm inch Note Cut out of process connection and placement of threaded nut are shown for illustration purposes only ...

Page 208: ...1 SITRANS LR250 with FOUNDATION FIELDBUS 208 Operating Instructions 09 2021 A5E32221411 AH 12 15 Hygienic encapsulated antenna DN80 nozzle slotted nut to DIN 11851 Dimensions in mm inch Note Cut out of process connection and placement of threaded nut are shown for illustration purposes only ...

Page 209: ...1 SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 209 12 16 Hygienic encapsulated antenna DN100 nozzle slotted nut to DIN 11851 Dimensions in mm inch Note Cut out of process connection and placement of threaded nut are shown for illustration purposes only ...

Page 210: ...1 SITRANS LR250 with FOUNDATION FIELDBUS 210 Operating Instructions 09 2021 A5E32221411 AH 12 17 Hygienic encapsulated antenna DN50 aseptic slotted nut to DIN 11864 1 Dimensions in mm inch Note Cut out of process connection and placement of threaded nut are shown for illustration purposes only ...

Page 211: ...1 SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 211 12 18 Hygienic encapsulated antenna DN80 aseptic slotted nut to DIN 11864 1 Dimensions in mm inch Note Cut out of process connection and placement of threaded nut are shown for illustration purposes only ...

Page 212: ...1 SITRANS LR250 with FOUNDATION FIELDBUS 212 Operating Instructions 09 2021 A5E32221411 AH 12 19 Hygienic encapsulated antenna DN100 aseptic slotted nut to DIN 11864 1 Dimensions in mm inch Note Cut out of process connection and placement of threaded nut are shown for illustration purposes only ...

Page 213: ...DIN 11864 2 SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 213 12 20 Hygienic encapsulated antenna DN50 aseptic flange to DIN 11864 2 Dimensions in mm inch Note Cut out of process connection and flange are shown for illustration purposes only ...

Page 214: ...DIN 11864 2 SITRANS LR250 with FOUNDATION FIELDBUS 214 Operating Instructions 09 2021 A5E32221411 AH 12 21 Hygienic encapsulated antenna DN80 aseptic flange to DIN 11864 2 Dimensions in mm inch Note Cut out of process connection and flange are shown for illustration purposes only ...

Page 215: ...864 2 SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 215 12 22 Hygienic encapsulated antenna DN100 aseptic flange to DIN 11864 2 Dimensions in mm inch Note The cut out of the process connection and the flange are shown for illustration purposes only ...

Page 216: ...mp to DIN 11864 3 SITRANS LR250 with FOUNDATION FIELDBUS 216 Operating Instructions 09 2021 A5E32221411 AH 12 23 Hygienic encapsulated antenna DN50 aseptic clamp to DIN 11864 3 Dimensions in mm inch Note Cut out of process connection is shown for illustration purposes only ...

Page 217: ...mp to DIN 11864 3 SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 217 12 24 Hygienic encapsulated antenna DN80 aseptic clamp to DIN 11864 3 Dimensions in mm inch Note Cut out of process connection is shown for illustration purposes only ...

Page 218: ...mp to DIN 11864 3 SITRANS LR250 with FOUNDATION FIELDBUS 218 Operating Instructions 09 2021 A5E32221411 AH 12 25 Hygienic encapsulated antenna DN100 aseptic clamp to DIN 11864 3 Dimensions in mm inch Note Cut out of process connection is shown for illustration purposes only ...

Page 219: ...12 26 Hygienic encapsulated antenna Tuchenhagen Type N SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 219 12 26 Hygienic encapsulated antenna Tuchenhagen Type N Dimensions in mm inch ...

Page 220: ...12 27 Hygienic encapsulated antenna Tuchenhagen Type F SITRANS LR250 with FOUNDATION FIELDBUS 220 Operating Instructions 09 2021 A5E32221411 AH 12 27 Hygienic encapsulated antenna Tuchenhagen Type F Dimensions in mm inch ...

Page 221: ... FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 221 12 28 Threaded PVDF antenna Threaded PVDF antenna dimensions Nominal antenna size Antenna O D Height to sensor reference point a Beam angle b Measurement range 50 mm 2 49 5 mm 1 94 121 mm 4 76 19 degrees 10 m 32 8 ft c ...

Page 222: ...larization axis See Polarization reference point Page 29 for an illustration c 20m when installed in stillpipe 12 29 Threaded connection markings With the exception of the threaded PVDF antenna threaded connection markings are found on the flat face faces of the process connection Serial number a unique number allotted to each process connection including the date of manufacture MMDDYY followed by...

Page 223: ...le circle diameter bolt hole diameter facing height bolt hole circle diameter facing diameter waveguide mounting hole sensor reference point Flange O D thickness Raised Face flange dimensions Pipe size Flange bolt hole pattern Flange O D mm Bolt hole circle Ø mm Bolt hole Ø mm No of bolts Angle of adjacent bolt holes Facing Ø mm Thickness mm DN50 PN10 PN16 165 125 18 4 90 102 18 DN80 PN10 PN16 200...

Page 224: ...0 2 0 4 150 228 6 190 5 19 1 8 45 31 8 22 5 95 3 157 2 2 0 2 300 165 1 127 0 19 1 8 28 4 63 5 92 1 2 0 3 300 209 6 168 3 22 3 8 35 1 84 2 127 0 2 0 4 300 254 0 200 2 22 3 8 38 1 100 1 157 2 2 0 Raised Face flange markings Blind Flange Markings Optional Man ufacturer s Logo optional Flange Standard Nominal Size Material Heat Code Machining Identification Welded Assembly Identification a Serial no L...

Page 225: ...0 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 225 12 31 Raised Face flange per EN 1092 1 for flanged encapsulated antenna Stainless steel angle of adjacent bolt holes flange O D bolt hole diameter facing height bolt hole circle diameter facing diameter antenna flange thickness ...

Page 226: ...8 6 22 2 0 08 DN150 285 11 22 240 9 45 22 0 87 212 8 35 22 0 87 2 0 08 50A 10K 155 6 10 120 4 72 19 0 75 4 90 96 3 78 16 0 63 2 0 08 80A 185 7 28 150 5 91 8 45 126 4 96 18 0 71 2 0 08 100A 210 8 27 175 6 89 151 5 94 2 0 08 150A 280 11 02 240 9 45 23 0 91 212 8 35 22 0 87 2 0 08 Raised Face flange markings Blind Flange Markings Optional Man ufacturer s Logo optional Flange Standard Nominal Size Mat...

Page 227: ...Dimension drawings 12 32 Flat Face flange SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 227 12 32 Flat Face flange ...

Page 228: ... for actual flange dimensions see Flange O D Flange markings located around the outside edge of the flat faced flange identify the flange assembly on which the device is mounted Flat Face flange markings Flat Face Flange Identification Welded Assembly Identification Serial No Logo Flange series Material Heat code Flange series Heat code no Series Nominal size MMDDYYXXX 25556 2 150 316L 1 4404 or 3...

Page 229: ...c flange DN50 DN80 DN100 for DIN 11864 2 SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 229 12 33 Aseptic hygienic flange DN50 DN80 DN100 for DIN 11864 2 Aseptic hygienic flange DN50 Dimensions in mm inch ...

Page 230: ... drawings 12 33 Aseptic hygienic flange DN50 DN80 DN100 for DIN 11864 2 SITRANS LR250 with FOUNDATION FIELDBUS 230 Operating Instructions 09 2021 A5E32221411 AH Aseptic hygienic flange DN80 Dimensions in mm inch ...

Page 231: ...gienic flange DN100 Dimensions in mm inch 12 34 Process connection tag pressure rated versions For pressure rated versions only the process connection label lists the following information Process connection tag pressure rated versions Item Sample Text Comments Explanation SERIAL GYZ 00000000 Pressure Boundary Assembly NOMINAL PIPE SIZE DN 4 INCH 100mm Nominal Pipe Size ...

Page 232: ...ASME B16 5 Flange Series dimensional pattern based on ASME B16 5 flange standards PROCESS SERIES 25546 Pressure Tag Family Series WETTED NON METALLICS TFM Antenna Emitter WETTED METALLICS 316L Process Connection Material s WETTED SEALS FKM Seal Material s Minimum Wetted Process Conditions the minimum pressure and temperature to which the device assembly may be exposed in the process and continue t...

Page 233: ...electric constants the atmosphere and the material being monitored Electromagnetic wave propagation is virtually unaffected by temperature or pressure changes or by changes in the vapor levels inside a vessel Electromagnetic waves are not attenuated by dust SITRANS LR250 consists of an enclosed electronic circuit coupled to an antenna and process connection The electronic circuit generates a radar...

Page 234: ...wenty years from more than 1 000 000 installations in many industries around the world Higher order mathematical techniques and algorithms are used to provide intelligent processing of microwave reflection profiles This knowledge based technique produces superior performance and reliability A 2 2 Echo Selection Time Varying Threshold TVT A Time Varying Threshold TVT hovers above the echo profile t...

Page 235: ...ed propagation velocity see Propagation Factor 2 5 3 for values There are three options Center Hybrid Center and CLEF CLEF Constrained Leading Edge Fit Center Uses center of the echo Hybrid Uses the Center algorithm for the top part of the vessel and the CLEF algorithm for the part nearest the vessel bottom according to the setting for CLEF range CLEF Constrained Leading Edge Fit Uses the leading ...

Page 236: ...th FOUNDATION FIELDBUS 236 Operating Instructions 09 2021 A5E32221411 AH default TVT material echo vessel bottom echo selected echo marker Example CLEF enabled Vessel height 1 5 m CLEF range set to 0 5 m default TVT material echo selected vessel bottom echo echo marker ...

Page 237: ...vel A 2 4 Measurement Response Note Units are defined in Units 2 3 1 and are in meters by default Response Rate 2 3 8 1 limits the maximum rate at which the display and output respond to changes in the measurement There are three preset options slow medium and fast Once the real process fill empty rate m s by default is established a response rate can be selected that is slightly higher than the a...

Page 238: ...for radar A 2 7 Auto False Echo Suppression Note For detailed instructions on using this feature via AMS see TVT time varying threshold Page 82 For detailed instructions on using this feature via the handheld programmer see Auto False Echo Suppression 2 5 10 1 Auto False Echo Suppression is designed to learn a specific environment for example a particular vessel with known obstructions and in conj...

Page 239: ...l level when the environment was learned to avoid the material echo being screened out Example before Auto False Echo Suppression Default TVT High calibration point 0 False echo Obstruction at 1 3 m Material echo Material level at 3 2 m Sensor reference point Example after Auto False Echo Suppression Auto False Echo Suppression Range set to 2 m Learned TVT Default TVT False echo Material echo Auto...

Page 240: ...mpty vessel readings A 2 9 Damping Filter Time Constant 2 6 7 1 smooths out the response to a sudden change in level This is an exponential filter and the engineering unit is always in seconds In 5 time constants the output rises exponentially from 63 2 of the change in the first time constant to almost 100 of the change by the end of the 5th time constant Damping example time constant 2 seconds i...

Page 241: ...Echo LOE Timer 2 3 6 determines the length of time a Loss of Echo LOE condition will persist before the function block will show a status of BAD or UNCERTAIN The default is 100 seconds A 3 Maximum Process Temperature Chart WARNING Exceeded maximum internal and process temperatures Danger of device malfunction Internal temperature must not exceed 80 C 176 F Process temperature must not exceed limit...

Page 242: ...See Minimum Value 3 3 1 and Maximum Value 3 3 2 to monitor the Internal Temperature A 4 Process Pressure Temperature derating curves WARNING Exceeded maximum permissible operating pressure Danger of injury or poisoning The maximum permissible operating pressure depends on the device version The device can be damaged if the operating pressure is exceeded Hot toxic and corrosive process media could ...

Page 243: ...ections Ensure that connecting parts such as flange gaskets and bolts are suitable for connection and process media Note Material compatibility Siemens can provide you with support concerning selection of parts wetted by process media However you are responsible for the selection of parts Siemens accepts no liability for faults or failures resulting from incompatible materials A 4 1 Pressure Equip...

Page 244: ...derating curves SITRANS LR250 with FOUNDATION FIELDBUS 244 Operating Instructions 09 2021 A5E32221411 AH A 4 2 Stainless steel horn antenna 1 5 2 and 3 NPT G BSPP R BSPT Threaded Versions Atmospheric P Allowable operating pressures T Allowable operating temperatures ...

Page 245: ...SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 245 A 4 3 Stainless steel flanged horn antenna JIS B 2220 10K 50A 80A and 100A Atmospheric P Allowable operating pressures T Allowable operating temperatures EN1092 1 PN16 DN50 DN80 DN100 and DN150 ...

Page 246: ...TRANS LR250 with FOUNDATION FIELDBUS 246 Operating Instructions 09 2021 A5E32221411 AH Atmospheric P Allowable operating pressures T Allowable operating temperatures EN1092 1 PN40 DN50 DN80 DN100 and DN150 Atmospheric P Allowable operating pressures T Allowable operating temperatures ...

Page 247: ...h FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 247 ASME B16 5 Class 150 2 3 and 4 NPS Atmospheric P Allowable operating pressures T Allowable operating temperatures ASME B16 5 Class 300 2 3 and 4 NPS Atmospheric P Allowable operating pressures T Allowable operating temperatures ...

Page 248: ...248 Operating Instructions 09 2021 A5E32221411 AH A 4 4 PTFE flanged encapsulated antenna ASME B16 5 Class 150 2 3 4 and 6 NPS Atmospheric P Allowable operating pressures T Allowable operating temperatures JIS B 2220 10K 50A 80A 100A and 150A Atmospheric P Allowable operating pressures T Allowable operating temperatures ...

Page 249: ...tions 09 2021 A5E32221411 AH 249 EN1092 1 PN10 16 DN50 DN80 DN100 and DN150 Atmospheric P Allowable operating pressures T Allowable operating temperatures A 4 5 Aluminum horn with polypropylene lens antenna version with polypropylene flange 3 inch 80 mm size only Atmospheric Allowable operating pressures Allowable operating temperatures ...

Page 250: ... 2021 A5E32221411 AH A 4 6 PVDF antenna ASME B1 20 1 2 NPT EN ISO 228 1 2 G BSPP EN 10226 1 2 R BSPT Atmospheric P Allowable operating pressures T Allowable operating temperatures A 4 7 Hygienic encapsulated antenna DIN 11851 Sanitary Hygienic nozzle slotted nut DN50 DN80 and DN100 DIN 11864 1 Aseptic Hygienic nozzle slotted nut DN50 DN80 and DN100 ...

Page 251: ...50 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 251 Atmospheric P Allowable operating pressures T Allowable operating temperatures DIN 11864 2 Aseptic Hygienic flanged DN50 DN80 and DN100 Atmospheric P Allowable operating pressures T Allowable operating temperatures ...

Page 252: ...pressure applications all attachment hardware must be suitably rated DIN 11864 3 Aseptic Hygienic clamp DN50 DN80 and DN100 IS0 2852 Sanitary Hygienic clamp 2 3 and 4 Tuchenhagen Varivent face seal clamp Type N 68 mm and Type F 50 mm Atmospheric P Allowable operating pressures T Allowable operating temperatures Note For pressure applications all clamps must be rated accordingly ...

Page 253: ...t FF can be obtained from Foundation Fieldbus http www fieldbus org For details on the use of Foundation Fieldbus protocol with Siemens FF level instruments see manual Foundation Fieldbus for Level Instruments 7ML19985MP01 The manual is available on the CD of Siemens manuals included in the box with your Siemens level instrument or for other Siemens level measurement manuals go to Siemens level ht...

Page 254: ...nual in the HTML5 view on your PC You can also find manuals with the Mobile app at Industry Online Support https support industry siemens com cs ww en sc 2067 Download the app to your mobile device and scan the device QR code Product documentation by serial number Using the PIA Life Cycle Portal you can access the serial number specific product information including technical specifications spare ...

Page 255: ...m automation csi service Service support on the Internet In addition to our technical support Siemens offers comprehensive online services at Service Support http www siemens com automation service support Contact If you have further questions about the device contact your local Siemens representative at Personal Contact http www automation siemens com partner To find the contact for your product ...

Page 256: ...n Group FEA Flanged encapsulated antenna FDA Food and Drug Administration HEA Hygienic encapsulated antenna Ii Input current mA Io Output current mA IS Intrinsically Safe safety approval Li Internal inductance mH mH milliHenry 10 3 H μF microFarad 10 6 F μs microsecond 10 6 s PED Pressure Equipment Directive safety approval pF pico Farads 10 12 F ppm parts per million PV Primary Variable measured ...

Page 257: ...LDBUS Operating Instructions 09 2021 A5E32221411 AH 257 LCD menu structure 14 Note In Navigation mode ARROW keys navigate the menu in the direction of the arrow See Parameter Reference Page 120 for detailed information and instructions ...

Page 258: ...LCD menu structure SITRANS LR250 with FOUNDATION FIELDBUS 258 Operating Instructions 09 2021 A5E32221411 AH ...

Page 259: ...LCD menu structure SITRANS LR250 with FOUNDATION FIELDBUS Operating Instructions 09 2021 A5E32221411 AH 259 ...

Page 260: ...LCD menu structure SITRANS LR250 with FOUNDATION FIELDBUS 260 Operating Instructions 09 2021 A5E32221411 AH ...

Page 261: ...o False Echo Suppression a technique used to adjust the level of a TVT to avoid the reading of false echoes See TVT Auto False Echo Suppression Range defines the endpoint of the learned TVT distance See TVT This is used in conjunction with auto false echo suppression beam angle the angle diametrically subtended by the one half power limits 3 dB of the microwave beam blanking a blind zone extending...

Page 262: ...an electric field Also known as Relative Permittivity An increase in the dielectric constant is directly proportional to an increase in signal amplitude The value is usually given relative to a vacuum dry air the dielectric constant of air is 1 Many conductive liquids electrolytes exhibit dielectric properties the relative dielectric constant of water is 80 echo a signal that has been reflected wi...

Page 263: ... vessel obstructions frequency the number of periods occurring per unit time Frequency may be stated in cycles per second hertz Hz unit of frequency one cycle per second 1 Gigahertz GHz is equal to 109 Hz horn antenna a conical horn shaped antenna which focuses microwave signals The larger the horn diameter the more focused the radar beam inductance the property of an electric circuit by virtue of...

Page 264: ...e or medium pulse radar a radar type that directly measures distance using short microwave pulses Distance is determined by the return transit time radar radar is an acronym for RAdio Detection And Ranging A device that radiates electromagnetic waves and utilizes the reflection of such waves from distant objects to determine their existence or position range distance between a transmitter and a ta...

Page 265: ...e transmit pulse or measurement stilling well see stillpipe stillpipe a pipe that is mounted inside a vessel parallel to the vessel wall and is open to the vessel at the bottom TVT Time Varying Threshold a time varying curve that determines the threshold level above which echoes are determined to be valid ...

Page 266: ...ypass pipe see stillpipe 29 C cables requirements 37 Calibration Interval 154 Catalog catalog sheets 254 Certificates 254 channel transducer block outputs 140 cleaning instructions 165 CLEF Constrained Leading Edge Fit explanation 235 CLEF range setup 134 conduits requirements 37 configuration new device via AMS 71 Quick Start via LUI 54 Conformity with UK directives 15 Customer Support Refer to T...

Page 267: ...nstructions 33 flange markings flat face 228 raised face 224 226 flange sizes flat face 228 raised face 223 224 226 flanged encapsulated antenna dimensions 203 flanged horn dimensions 196 199 H handheld programmer edit mode 52 navigation 51 Hazardous area Qualified personnel 17 hazardous area installations instructions 44 wiring requirements 39 Hotline Refer to Support request hysteresis setup 144...

Page 268: ...n 26 nozzle location 27 on vessel with obstructions 29 sunshield recommended 29 N nameplate Intrinsically Safe ATEX IECEx 41 Intrinsically Safe FM CSA 42 Near Range explanation 240 setup 131 O operating principles cleaning 233 Output limits setup 143 Output Scale setup 142 overview 18 P password protection via AMS 107 PED Pressure Equipment Directive 23 243 performance specifications 178 pipe size...

Page 269: ...55 sidepipe see bypass pipe 29 SITRANS LR250 operating principles 233 startup transition screen 47 stillpipe mounting requirements 29 30 Support 255 Support request 255 T technical data ambient temperature 182 environmental 182 performance 178 pressure 182 process connections enclosure 180 process temperature 182 weight 180 Technical data 178 Technical support 255 partner 255 personal contact 255 ...

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