Page 1 ___________________ Introduction SITRANS LR250 (FOUNDATION ___________________ Safety information FIELDBUS) ___________________ Description ___________________ Installing/mounting SITRANS ___________________ Connecting Radar Transmitters ___________________ SITRANS LR250 (FOUNDATION Commissioning FIELDBUS) ___________________ Remote operation Operating Instructions ___________________ Parameter reference ___________________ Service and maintenance ___________________ Diagnosing and troubleshooting...
Page 2 Note the following: WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. If products and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems.
Page 3: Table Of Contents
CE Electromagnetic Compatibility (EMC) Conformity..............17 Improper device modifications ..................... 17 Requirements for special applications ..................18 Use in hazardous areas ....................... 18 Description ............................19 SITRANS LR250 overview ......................19 Programming ..........................20 Applications ..........................20 Approvals and certificates ......................20 Installing/mounting ..........................21 Basic safety information .......................
Page 4 4.4.3 Hygienic versions ........................39 Disassembly ..........................40 Connecting ............................41 Basic safety information ......................41 Connecting SITRANS LR250 ...................... 42 Wiring setups for hazardous area installation ................46 5.3.1 Configuration with Foundation Fieldbus for hazardous areas ............ 46 5.3.2 Intrinsically safe wiring ........................ 48 5.3.2.1...
Page 5 7.1.16.2 Extended Diagnostics (RESOURCE) ..................127 7.1.17 Process Variables (Level Transducer Block - LTB) ..............128 7.1.18 Password Protection ........................129 7.1.18.1 User Manager utility ........................129 7.1.19 AMS menu structure ........................130 Parameter reference ........................... 143 SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 6 Hygienic encapsulated antenna (4" ISO 2852 sanitary clamp) ..........236 12.10 Hygienic encapsulated antenna (DN 50 nozzle/ slotted nut to DIN 11851) ......237 12.11 Hygienic encapsulated antenna (DN 80 nozzle/ slotted nut to DIN 11851) ......238 SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 7: Operating Instructions, 08/2014, A5E32221411-Ac
A.2.10 Loss of Echo (LOE) ........................274 A.2.10.1 LOE Timer ..........................274 Maximum Process Temperature Chart ..................274 Process Pressure/Temperature derating curves ............... 276 A.4.1 Pressure Equipment Directive, PED, 97/23/EC ................. 277 SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 8 Field Communicator 375 (F375) ....................291 Appendix C: Certificates and support ....................293 Certificates ..........................293 Technical support ........................293 List of abbreviations ..........................295 LCD menu structure ..........................296 Glossary .............................. 301 Index ..............................307 SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 9 Table of contents SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 11: Introduction
Introduction LR250 FF manual usage Note This manual applies to the SITRANS LR250 (FOUNDATION™ Fieldbus) only. FOUNDATION™ Fieldbus is a trademark of Fieldbus Foundation. Follow these operating instructions for quick, trouble-free installation, and maximum accuracy and reliability of your device.
Page 12: Firmware Revision History
Use the device to measure process media in accordance with the information in the operating instructions. Note Use in a domestic environment This is a Class A Group 1 equipment intended for use in industrial areas. In a domestic environment this device may cause radio interference. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 13: Checking The Consignment
The content reflects the technical status at the time of publishing. Siemens reserves the right to make technical changes in the course of further development.
Page 15: Safety Information
2.1.3 FCC Conformity US Installations only: Federal Communications Commission (FCC) rules WARNING Changes or modifications not expressly approved by Siemens Milltronics could void the user’s authority to operate the equipment. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 16: Conformity With European Directives
R&TTE and the mutual recognition of their conformity. 1999/5/EC The applicable directives can be found in the EC conformity declaration of the specific device. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 17: Ce Electromagnetic Compatibility (Emc) Conformity
Danger 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. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 18: Requirements For Special Applications
Note Operation under special ambient conditions We highly recommend that you contact your Siemens representative or our application department before you operate the device under special ambient conditions as can be encountered in nuclear power plants or when the device is used for research and development purposes.
Page 19: Description
Loss of protection Danger to personnel, system and environment can result from improper use of the device. • SITRANS LR250 is to be used only in the manner outlined in this manual, otherwise protection provided by the device may be impaired.
Page 20: Programming
Approvals and certificates Note For further details see Approvals (Page 219). 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.
Page 21: Installing/Mounting
Basic safety information Note Material compatibility Siemens can provide you with support concerning selection of sensor components wetted by process media. However, you are responsible for the selection of components. Siemens accepts no liability for faults or failures resulting from incompatible materials.
Page 22: Pressure Applications
Hot, toxic and corrosive process media could be released. • Make sure that the device is suitable for the maximum permissible operating pressure of your system. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 23: Pressure Equipment Directive, Ped, 97/23/Ec
• SITRANS LR250 units are hydrostatically tested, meeting or exceeding the requirement of the ASME Boiler and Pressure Vessel Code and the European Pressure Equipment Directive.
Page 24: Installation Location Requirements
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 Chapter "Technical data". SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 25 -40 to +120 °C (-40 to +248 °F) Note Details about the process connection, process temperature and materials are laser etched into the body of the flanged and hygienic versions. All other SITRANS LR250 versions have details listed on a tag. SITRANS LR250 (FOUNDATION FIELDBUS)
Page 26: Proper Mounting
• When mounting, orient the front or back of the device towards the closest vessel wall or obstruction. • Do not rotate the enclosure after programming and vessel calibration, otherwise an error may occur, caused by a polarity shift of the transmit pulse. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 27: Nozzle Design
DN150 (6"). Only shorter lengths are recommended for smaller diameters. ● When installing the SITRANS LR250 with hygienic process connection, it is good hygienic practice to install the antenna in a nozzle that has a maximum length/diameter ratio of 1:1.
Page 28: Nozzle Location
● 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. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 29 Installing/mounting 4.3 Proper mounting Horn antenna Flanged encapsulated antenna Threaded PVDF antenna Hygienic encapsulated antenna ① Emission cone ② Beam angle SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 30 ● Keep emission cone free of interference from obstructions such as ladders, pipes, I-beams, or filling streams. Access for programming ● Provide easy access for viewing the display and programming via the handheld programmer. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 31: Orientation In A Vessel With Obstructions
For best results on a vessel with obstructions, or a stillpipe with openings, orient the front or back of the device toward the obstructions. For an illustration, see Device orientation (Page 33). ① Polarization axis ② Polarization reference point ③ Display SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 32: Mounting On A Stillpipe Or Bypass Pipe
> 100 mm (4") Bypass vent: Required at the upper end of the bypass To equalize pressure and keep the liquid level in the bypass constant with the liquid level in the vessel. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 33: Device Orientation
Bypass pipe installation Stillpipe installation ① ① Vent Align front or back of device with stillpipe slots ② ② Align front or back of device with Slots vents Horn antenna version shown as example SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 34: Installation Instructions
The outer part of the lens on the flanged encapsulated antenna version may not appear to lie flush before installation and this is normal. This will flatten after installation and will not impact the performance of the device. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 35 • When mounting, orient the front or back of the device towards the closest vessel wall or obstruction. • Do not rotate the enclosure after programming and vessel calibration, otherwise an error may occur, caused by a polarity shift of the transmit pulse. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 36: Threaded Versions
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. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 37: Flanged Versions
30 – 50 3" 50 – 70 4" 40 – 60 6" 70 – 90 EN1092-1, PN16 / DN50/50A 30 – 50 JIS B 2220, 10K DN80/80A DN100/100A DN150/150A 60 – 80 SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 38 For instructions on replacing the lens, see Part replacement (Page 199). See Flanged Horn with extension (Page 226), Raised-Face Flange per EN 1092-1 (Page 255), Flat-Face Flange (Page 258), and Flanged encapsulated antenna (3"/DN80/80A sizes and larger) (Page 232) for dimensions. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 39: Hygienic Versions
(for example, DIN 11864-3). Hygienic encapsulated antenna leak detection port ① Orientation mark for leak detection port ② Leak detection port SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 40: Disassembly
• If the device contains dangerous media, it must be emptied prior to disassembly. Make sure that no environmentally hazardous media are released. • Secure the remaining connections so that no damage can result if the process is started unintentionally. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 41: Connecting
• 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. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 42: Connecting Sitrans Lr250
Connecting 5.2 Connecting SITRANS LR250 Connecting SITRANS LR250 WARNING Incorrect connection to power source Danger to personnel, system and environment can result from improper power connection. • The DC input terminals shall be supplied from a source providing electrical isolation between the input and output, in order to meet the applicable safety requirements of IEC 61010-1.
Page 43 (If cable is routed through conduit, use only approved suitable- size hubs for waterproof applications.) 2. Connect the wires to the terminals as shown: SITRANS LR250 (FF) is not polarity sensitive. 3. Ground the device according to local regulations.
Page 44 Connecting 5.2 Connecting SITRANS LR250 Note • Foundation Fieldbus (H1) must be terminated at both extreme ends of 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.
Page 45 Connecting 5.2 Connecting SITRANS LR250 Configuration via Linking Device ① ⑤ Controller HSE/H1 Linking Device ② ⑥ FF (HSE) FF (H1) ③ ⑦ Configurator software LR250 FF ④ PC/laptop Configuration via PCI/PCMCIA Card ① ④ Configurator software H1 Interface ②...
Page 46: Wiring Setups For Hazardous Area Installation
5.3.1 Configuration with Foundation Fieldbus for hazardous areas Configuration via Gateway ① ⑤ Controller Ex ia type HSE/H1 ② ⑥ FF (HSE) FF (H1) ③ ⑦ Configurator software LR250 FF ④ PC/laptop SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 47 ③ ⑦ Configurator software LR250 (FF) ④ PC/laptop Configuration via PCI/PCMCIA Card ① ④ PCI/PCMCIA bus Ex ia type H1 Interface ② ⑤ Configurator software FF (H1) ③ ⑥ PC/laptop LR250 FF SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 48: Intrinsically Safe Wiring
Product page (http://www.siemens.com/LR250) Go to Support > Installation Drawings > Level Measurement > SITRANS LR250. ● For wiring requirements: follow local regulations. ● Approved dust-tight and water-tight conduit seals are required for outdoor NEMA 4X / type 4X / NEMA 6, IP67, IP68 locations.
Page 49 Under the entity evaluation concept, SITRANS LR250 has the following characteristics: (input voltage) U = 24 V...
Page 50 A5E02358161 can be downloaded from our website at: Product page (http://www.siemens.com/LR250) Go to Support > Installation Drawings > Level Measurement > SITRANS LR250. The FISCO Concept allows interconnection of intrinsically safe apparatus to associated apparatus not specifically examined in such combination. The criteria for interconnection is that...
Page 51: Non-Sparking Wiring
The ATEX certificate listed on the nameplate can be downloaded from our website: Product page (http://www.siemens.com/LR250) Go to: Support > Installation drawings > Level measurement > SITRANS LR250. ● For wiring requirements follow local regulations. ● Approved dust-tight and water-tight conduit seals are required for outdoor NEMA 4X / type 4X / NEMA 6, IP67, IP68 locations.
Page 52: Instructions Specific To Hazardous Area Installations
– Aggressive substances: e.g. acidic liquids or gases that may attack metals, or solvents that may affect polymeric materials. – Suitable precautions: e.g. establishing from the material’s data sheet that it is resistant to specific chemicals. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 53 In the event of rare incidents, ignition sources due to impact and friction sparks could occur. This shall be considered when the SITRANS LR250 FF is being installed in locations that specifically require Equipment Protection level Ga or Da.
Page 54 Connecting 5.4 Instructions specific to hazardous area installations SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 55: Commissioning
• Do not expose to temperatures beyond the specified temperature range. • Do not incinerate. • Do not crush, puncture or open cells or disassemble. • Do not weld or solder to the battery’s body. • Do not expose contents to water. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 56: Power Up
Press Mode to toggle between Measurement and Program mode. [If the SITRANS LR250 FF is to be used in an FF application, configure using a network configuration tool, such as DeltaV or NI-FBUS Configurator. See Quick Start Wizard via AMS Device Manager (Page 85).]...
Page 57: The Lcd Display
In response to a key press request. For details, see Handheld programmer (Part No. 7ML1930-1BK) (Page 59) for key functions in Measurement mode. Fault present ① service required icon appears ② Device status indicator, see Device status icons (Page 204) SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 58 ● A deeper band indicates fewer items. Parameter view Edit view ① ② ③ Parameter name Parameter number Parameter value/selection SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 59: Handheld Programmer (Part No. 7Ml1930-1Bk)
RIGHT arrow opens PROGRAM mode. Opens the top level menu. UP or DOWN arrow toggles between Identifies which AIFB is the source of the AIFB 1 and AIFB 2. displayed value. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 60: Programming
Parameters are identified by name and organized into function groups. See LCD menu structure (Page 296). 1. QUICK START 2. SETUP 2.1. IDENTIFICATION 2.2. DEVICE .... 2.4. LINEARIZATION 2.4.1. VOLUME 2.4.1.1. VESSEL SHAPE SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 61 PROGRAM mode within the last 10 minutes, or menu level 1 if power has been cycled since then. ① ② ③ Handheld programmer Display Maximum distance: 300 mm ( 1 ft) SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 62 Open Edit mode. LEFT arrow menu or Open parent menu. parameter Mode menu or Change to MEASUREMENT mode. parameter Home menu or Open top level menu: menu 1. parameter SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 63 ● Press RIGHT arrow to accept it. Press RIGHT arrow to accept it.The LCD returns to parameter view and displays the new selection. ① ② ③ Parameter name Parameter number Current selection SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 64 Enters a decimal point • editing Captures the current path [see Secondary • Value (4.11.)] Plus or minus Numeric Changes the sign of the entered value. sign editing Numeral Numeric Enters the corresponding character. editing SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 65: Quick Start Wizard Via The Handheld Programmer_Note
● To change a setting, scroll to the desired item or key in a new value. ● After modifying a value, press RIGHT arrow to accept it and press DOWN arrow move to the next item. ● Quick Start settings take effect only after you select Finish. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 66 (whichever is greater). Options Response rate Fill rate per Minute (2.3.8.2.)/ (2.3.8.1.) Empty rate per Minute (2.3.8.3.) SLOW 0.1 m/min (0.32 ft/min) 1.0 m/min (3.28 ft/min) FAST 10.0 m/min (32.8 ft/min) SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 67 Distance to material surface referenced from Low calibration point SPACE Distance to material surface referenced from High calibration point DISTANCE Distance to material surface referenced from Sensor reference point See Material Level (2.3.5.) for more detail. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 68 Range: 0.00 to 20.00 m High calibration point Distance from Sensor Reference Point to High Calibration Point: usually process full level. (See Operation for an illustration.) Values Range: 0.00 to 20.00 m SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 69: Auto False Echo Suppression
Quick Start is successfully completed.) Press DOWN arrow (Finish). Then press LEFT arrow to return to Measurement mode. SITRANS LR250 is now ready to operate. 6.2.3.2 Auto False Echo Suppression If you have a vessel with known obstructions, we recommend using Auto False Echo Suppression to prevent false echo detection.
Page 70: Requesting An Echo Profile
Zoom, and press 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. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 71: Device Address
FINISH in final step: Wizard Complete.) In each example, after performing a Quick Start, navigate to the other required parameters (either via the handheld programmer or via AMS Device Manager) and enter the appropriate values. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 72: Liquid Resin In Storage Vessel, Level Measurement
● High Calibration Pt.= 0.5 m (1.64 ft) from sensor reference point ● Max.fill/empty rate = 0.2 m/min (0.65 ft/min) In the event of a loss of echo: ● SITRANS LR250 is to go into Fail-safe High after 2 minutes. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 73 0.5 m (1.64 ft) Wizard Complete FINISH Transfers Quick Start settings to device. Independent Loss of Echo (LOE) Timer (2.3.6.) 120 seconds parameters Return to Measurement: press Mode to start normal operation. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 74: Horizontal Vessel With Volume Measurement
● Select vessel shape, Parabolic Ends, and enter values for A and L, to obtain a volume reading instead of level. In the event of a loss of echo: ● SITRANS LR250 is to report a status of BAD or UNCERTAIN after 120 seconds (2 minutes). ① ⑥...
Page 75 8000 liters Dimension A (2.4.1.3.) 0.8 m (2.62 ft) Dimension L (2.4.1.4.) 6 m (19.68 ft) Loss of Echo (LOE) Timer 120 seconds (2.3.6.) Return to Measurement: press Mode to start normal operation. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 76: Application With Stillpipe
● The maximum rate of filling or emptying is about 0.1 m (4")/min. ① ⑤ Sensor reference point ② High calibration point ⑥ 50 mm I.D. ③ ⑦ 0.5 m Low calibration point ④ Vent hole SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 77 Low calibration point - 0.7 m = 4.3 m (14.1 ft) The recommended values for the propagation factor and for CLEF range are dependent on the stillpipe diameter. See Propagation Factor/Stillpipe Diameter for values. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 78 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. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 79: Remote Operation
● Process Variables (read only) Each function group is further divided into four blocks: ● Level Transducer Block (LTB) ● Liquid Crystal Display Block (LCD) ● Diagnostic Block (DIAG) ● Resource Block (RESOURCE) SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 80 In general, process parameters are accessed through the Level Transducer Block, and device parameters are accessed through the Resource Block. See AMS Menu Structure (Page 130) for a chart, and Changing parameter settings using AMS Device Manager (Page 91) for more details. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 81: Key Features Of Ams Device Manager Rev. 9.0
RESOURCE Alarms & Errors (RESOURCE) Monitor device errors and alarms (Page 124) PROCESS VARIABLES function group Block Feature Function Process Variables (Level Transducer Monitor process variables and level Block-LTB) (Page 128) trend SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 82: Pull-Down Menu Access
7.1.3.1 Electronic Device Description (EDD) Note SITRANS LR250 requires the EDD for AMS Device Manager version 9.0. Check the product page of our website at: www.siemens.com/LR250 (http://www.siemens.com/LR250), under Downloads, for the latest version of EDD: SITRANS LR250 FF - Foundation Fieldbus - AMS V9.0.
Page 83 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. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 84: Master Reset
1. Open the pull-down menu Actions – Scan Device (upload parameters from the device to AMS). 2. The next step when adding a new device is to configure and calibrate the device via the Quick Start Wizard. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 85: Sensor Calibration
FF network. If device is not on an FF network, initial configuration should be completed via the Quick Start Wizard from the LUI. [See Quick Start Wizard via the handheld programmer (Page 65).] SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 86 Launch AMS Device Manager and double-click the device icon from the Device Connection View to open the startup screen. Navigate to Configure/Setup > Resource Block > Wizards > Quick Start, and click on Step 1 - Identification. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 87 You can accept the default values without modification. (Descriptor, Message, and Installation Date fields can be left blank.) If desired, make changes then click on Apply. (The Apply button is activated when a parameter is modified.) Go to Step 2. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 88 Propagation Factor (if using a stillpipe application), and the Material. For a Low Dielectric Liquid application in a stilling well, see example Application with Stillpipe. Click on Apply to save settings then go to Step 3. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 89 Click on Step 3 - Vessel Shape in the navigation window. Select the vessel shape. To describe a more complex shape, select Linearization Table in the Vessel Shape field and see Linearization (LTB) (Page 97) for more details. Click on Apply to save settings then go to Step 4. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 90 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 click on Apply to save settings. Go to Step 5. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 91: Changing Parameter Settings Using Ams Device Manager
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 OK only if you wish to update all parameters and exit device view. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 92: Configure/Setup (Level Transducer Block-Ltb)
● Transducer Block Type: Read only. Identifies the type of transducer block. ● 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. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 93: Operation (Ltb)
Click on Simulation to open the dialog window for access to: Simulation (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. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 94 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. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 95: Setup (Ltb)
● Level Unit [see Level Unit (2.3.2.)] ● Temperature Unit [see Temperature Units (2.3.4.)] ● PV (Volume/Level) Unit [see PV (volume/level) Units (2.3.3.)] ● Application Type (available only via AMS Device Manager) SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 96 [see Rate (2.3.8.)] ● Response Rate [see Response Rate (2.3.8.1.)] ● Fill Rate per Minute [see Fill Rate per Minute (2.3.8.2.)] ● Empty Rate per Minute [see Empty Rate per Minute (2.3.8.3.)] SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 97: Linearization (Ltb)
● Vessel Dimension L [see Dimension L (2.4.1.4.)] Click on Breakpoints tab for access to level and volume breakpoints. Note This parameter becomes accessible only after Linearization Table has been selected in Vessel Shape above. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 98 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 configure AIFB 1 and/or AIFB 2. [See AIFB 1 (2.6.) and AIFB 2 (2.7.)] SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 99: Signal Processing
● 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.)] SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 100 ● 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.)] ● Hover Level [see Hover Level (2.5.10.3.)] ● Shaper Mode [see Shaper Mode (2.5.10.4.)] SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 101 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 SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 102 7.1 Operating via AMS Device Manager 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. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 103 ● 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 only using AMS version 10.1or later). SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 104: Maintenance & Diagnostics (Ltb)
2. After modifying values/units as required, click on Apply to accept the change. ● Click on Sensor Replaced to reset Time in Operation to 0 hours ● Click on Snooze for 1 Year to add a year to the Total Expected Sensor Life SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 105 ● 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 Service to 0 hours SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 106 7.1 Operating via AMS Device Manager 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.)] SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 107: Communication (Ltb)
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 92). SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 108: Operation (Lcd)
For descriptions of Block Modes see Operation (LTB) (Page 93). 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. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 109: Setup (Lcd)
If local operation 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.)] SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 110: Configure/Setup (Diagnostic Transducer Block-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 93). SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 111: Communication (Diag)
● Date (Installation Date): The user entered date on which the device 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. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 112: Wizards (Resource)
● Date of Manufacturing [see Manufacture Date (4.6.)] 7.1.12.2 Wizards (RESOURCE) Navigate to Configure/Setup > RESOURCE > Wizards > Quick Start for access to Quick Start steps [see Quick Start Wizard via AMS Device Manager (Page 85)]. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 113: Operation (Resource)
• 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 in Automatic mode SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 114 ● Master Reset: see Master Reset (4.1.) 1. Ensure the Block Status is Out of Service. 2. Click the Master Reset button, then click Next to perform a reset. 3. Select the Reset Type SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 115 Functional reset does not reset these parameters. Foundation Fieldbus for Level Instruments See Data transmission in manual (7ML19985MP01) for further details. 4. Click Next, then FINISH to complete the Master Reset. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 116: Maintenance & Diagnostics (Resource)
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. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 117 ● Reminder 1 before Calibration (Required) [see Reminder 1 before Calibration (Required) (4.5.5.)] ● Reminder 2 before Calibration (Demanded) [see Reminder 2 before Calibration (Demanded) (4.5.6.)] ● Click on Calibration Performed to reset Time Since Last Calibration to 0 hours. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 118: Communication (Resource)
● Device Revision [see Device Revision (5.5.)] ● DD Revision: revision of the DD (also called EDD) associated with this device. ● ITK Version [see ITK Version (5.6.)] ● Static Revision No. [see Static Revision Number ( 2.6.1.)] SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 119: Security (Resource)
Device Diagnostics (Level Transducer Block - LTB) Note For explanations of the alarms and errors listed below, see Parameter Description charts for Foundation Fieldbus for Level Instruments the respective block in manual (7ML19985MP01). SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 120: Alarms & Errors (Ltb)
● 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 SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 121 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. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 122 FF block alert, and the block alert can only be acknowledged via a remote host such as NI-FBUS Configurator or AMS Device Manager (as in step 3 above). SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 123: Extended Diagnostics (Ltb)
● Profile Clipped ● Too Few Shots Taken ● Measurement Error ● No Shots Taken ● Measurement Was Corrupted ● DMA Error ● Sensor Value too High ● Sensor Value too Low SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 124: Device Diagnostics (Liquid Crystal Display Block - Lcd)
● Input Failure ● Output Failure ● Memory Failure ● Lost Static Data ● Lost Non-Volatile Data ● Readback Check ● Device Fault State ● Block Configuration ● Link Configuration ● Other SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 125 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 Unacknowledged SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 126 Remote operation 7.1 Operating via AMS Device Manager Unreported ● Discrete Alarm Unreported ● Block Alarm Unreported Disabled ● Write Alarm Disabled ● Block Alarm Disabled SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 127: Extended Diagnostics (Resource)
● BC Corrupt ● BC Start ● BC Stop ● BC Duration ● CPU Fault ● Data Bus ● Addr Bus ● Spurious SW Interrupt ● Spurious HW Interrupt ● Time Base Failure SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 128: Process Variables (Level Transducer Block - Ltb)
Click on Echo Profile to open the dialog window to read the following: Echo Profile • 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.)] SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 129: Password Protection
A standard user can change their password in AMS Device Manager. A Local or Domain Windows user cannot change their password using AMS Device Manager and must request their network administrator to do so. SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 130: Ams Menu Structure
Remote operation 7.1 Operating via AMS Device Manager 7.1.19 AMS menu structure SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 131 Remote operation 7.1 Operating via AMS Device Manager SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 132 Remote operation 7.1 Operating via AMS Device Manager SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 133 Remote operation 7.1 Operating via AMS Device Manager SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 134 Remote operation 7.1 Operating via AMS Device Manager SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 135 Remote operation 7.1 Operating via AMS Device Manager SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 136 Remote operation 7.1 Operating via AMS Device Manager SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 137 Remote operation 7.1 Operating via AMS Device Manager SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 138 Remote operation 7.1 Operating via AMS Device Manager SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
Page 139 Remote operation 7.1 Operating via AMS Device Manager SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...
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Page 141 Remote operation 7.1 Operating via AMS Device Manager SITRANS LR250 (FOUNDATION FIELDBUS) Operating Instructions, 08/2014, A5E32221411-AC...

Siemens SITRANS LR250 Operating Instructions Manual

1 Introduction

2 Safety Information

3 Description

4 Installing/Mounting

5 Connecting

6 Commissioning

7 Remote Operation

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