Siemens SITRANS LR250 PROFIBUS PA Operating Instructions Manual
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Siemens SITRANS LR250 PROFIBUS PA Operating Instructions Manual

Siemens SITRANS LR250 PROFIBUS PA Operating Instructions Manual

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Summary of Contents for Siemens SITRANS LR250 PROFIBUS PA

  • Page 2 The user is responsible for all changes and repairs made to the device by the user or the user’s agent.  All new components are to be provided by Siemens Milltronics Process Instruments.  Restrict repair to faulty components only.
  • Page 3 ___________________ SITRANS LR250 (PROFIBUS PA) Introduction ___________________ Safety notes ___________________ Description ___________________ Installing/mounting SITRANS ___________________ Connecting ___________________ Radar Transmitters Commissioning SITRANS LR250 (PROFIBUS PA) ___________________ Remote operation ___________________ Parameter reference Operating Instructions ___________________ Service and maintenance Diagnosing and ___________________ troubleshooting ___________________ Technical data ___________________...
  • Page 4 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 5: Table Of Contents

    Table of contents Introduction ............................. 9 The manual ............................ 9 Firmware revision history ......................10 Safety notes ............................11 Safety marking symbols ....................... 11 FCC Conformity ........................... 11 CE Electromagnetic Compatibility (EMC) Conformity..............12 Description ............................13 SITRANS LR250 overview ......................13 Programming ..........................
  • Page 6 Table of contents 5.3.4 Non-incendive wiring (US/Canada only) ..................33 Instructions specific to hazardous area installations ..............34 Commissioning ............................. 35 Operating via the handheld programmer ..................35 6.1.1 Power up ............................. 35 6.1.2 Handheld programmer functions ....................35 6.1.2.1 The LCD display ..........................
  • Page 7 Table of contents 7.2.1 Device Type Manager (DTM) ....................... 90 7.2.2 SITRANS DTM ..........................90 7.2.3 The device EDD ........................... 91 7.2.4 Configuring a new device via FDT ....................91 Parameter reference ..........................93 Alphabetical parameter list ......................155 Service and maintenance ........................159 Maintenance ..........................
  • Page 8 Table of contents 12.10 Raised-Face flange per EN 1092-1 for flanged encapsulated antenna ........194 12.11 Flat-Face flange ........................197 12.12 Process connection tag (pressure rated versions)..............200 Appendix A: Technical reference ......................201 Principles of operation ....................... 201 Echo processing ........................202 A.2.1 Process Intelligence ........................
  • Page 9 Table of contents Operating as a profile device ..................... 232 C.6.1 Configuring a new device ......................232 C.6.2 Configuring PROFIBUS PA with an S7-300/ 400 PLC .............. 232 Cyclic versus acyclic data ......................233 C.7.1 Cyclic data ..........................233 Status byte ..........................234 Condensed status ........................
  • Page 10 Table of contents SITRANS LR250 (PROFIBUS PA) Operating Instructions, 01/2014, A5E32221386-AB...

  • Page 11: Introduction

    Introduction The manual This manual will help you set up your radar device for optimum performance. For other Siemens Milltronics level measurement manuals, go to: Siemens level (http://www.siemens.com/level) Follow these operating instructions for quick, trouble-free installation, and maximum accuracy and reliability of your device.

  • Page 12: Firmware Revision History

    Introduction 1.2 Firmware revision history Firmware revision history This history establishes the correlation between the current documentation and the valid firmware of the device. The documentation of this edition is applicable for the following firmware: Firmware EDD rev. Date Changes rev.

  • Page 13: Safety Notes

    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. Note • This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules.

  • Page 14: Ce Electromagnetic Compatibility (Emc) Conformity

    Safety notes 2.3 CE Electromagnetic Compatibility (EMC) Conformity CE Electromagnetic Compatibility (EMC) Conformity This equipment has been tested and found to comply with the following EMC Standards: EMC Standard Title CISPR 11:2004/EN Limits and methods of measurements of radio disturbance characteristics of industrial, 55011:1998+A1:1999&A2:2002, CLASS B scientific, and medical (ISM) radio-frequency equipment.

  • Page 15: Description

    Description SITRANS LR250 overview WARNING SITRANS LR250 is to be used only in the manner outlined in this manual, otherwise protection provided by the device may be impaired. SITRANS LR250 is a 2-wire 25 GHz pulse radar level transmitter for continuous monitoring of liquids and slurries in storage vessels including high pressure and high temperature, to a range of 20 meters (66 feet).

  • Page 16: Programming

    This device is very easy to install and 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: ●...

  • Page 17: Installing/Mounting

    Installing/mounting WARNING • Installation shall only be performed by qualified personnel and in accordance with local governing regulations. • Handle the device using the enclosure, not the process connection tag, to avoid damage. • Take special care when handling the threaded PVDF and Flanged encapsulated antennas.

  • Page 18: Pressure Applications

    4.1.1 Pressure Equipment Directive, PED, 97/23/EC Siemens Level Transmitters with flanged, threaded, or sanitary clamp type process mounts have no pressure-bearing housing of their own and, therefore, do not come under the Pressure Equipment Directive as pressure or safety accessories (see EU Commission Guideline 1/8 and 1/20).

  • Page 19: Nozzle Design

    Installing/mounting 4.2 Mounting location 4.2.1 Nozzle design Threaded PVDF antenna Stainless steel horn antenna Flanged encapsulated antenna ① Minimum clearance: 10 mm (0.4") ② Minimum diameter: 50 mm (2") ③ Maximum nozzle length: 500 mm (20") ● The end of the antenna must protrude a minimum of 10 mm (0.4") to avoid false echoes being reflected from the nozzle ●...
  • Page 20 Installing/mounting 4.2 Mounting location Environment ● Provide an environment suitable to the housing rating and materials of construction. ● Provide a sunshield if the device will be mounted in direct sunlight. ① Ambient temperature ② Process temperature (at process connection) Antenna ①...
  • Page 21 Installing/mounting 4.2 Mounting location Beam angle Note • Beam width depends on antenna size: see below. • For details on avoiding false echoes, see Auto False Echo Suppression (Page 207). ● Beam angle is the width of the cone where the energy density is half of the peak energy density.

  • Page 22: Orientation In A Vessel With Obstructions

    Installing/mounting 4.2 Mounting location 4.2.3 Orientation in a vessel with obstructions Polarization reference point 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 21). ①...

  • Page 23: Stillpipe Or Bypass Pipe Requirements

    Installing/mounting 4.2 Mounting location 4.2.5 Stillpipe or Bypass Pipe requirements ● The pipe diameter must be matched with the antenna size. Use the largest antenna size that will fit the stillpipe/bypass pipe . See Threaded Horn dimensions (Page 177) or Raised-Face Flange per EN 1092-1 (Page 194).

  • Page 24: Installation Instructions

    Installing/mounting 4.3 Installation instructions Installation instructions WARNING For pressure applications, it will be necessary to use PTFE tape or other appropriate thread 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.) See Flange bolting, Flanged encapsulated antenna only (Page 22) for FEA recommended torque values.) Note...
  • Page 25 Installing/mounting 4.4 Flange bolting, Flanged encapsulated antenna only Flange bolting: recommended torque Pressure class Nominal pipe size Number of bolts Recommended torque (NPS) (Nm) ASME B16.5, Class 2" 30 – 50 3" 50 – 70 4" 40 – 60 6" 70 –...
  • Page 26 Installing/mounting 4.4 Flange bolting, Flanged encapsulated antenna only Recommendations for flange bolting: ● Use cross-pattern sequence as shown ● Check uniformity of the flange gap ● Apply adjustments by selective tightening if required ● Torque incrementally until desired value is reached ●...

  • Page 27: Connecting

    Connecting Power WARNING 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. Note All field wiring must have insulation suitable for rated voltages. SITRANS LR250 (PROFIBUS PA) Operating Instructions, 01/2014, A5E32221386-AB...

  • Page 28: Connecting Sitrans Lr250

    Connecting 5.2 Connecting SITRANS LR250 Connecting SITRANS LR250 WARNING • Check the nameplate on your device, to verify the approval rating. • Use appropriate conduit seals to maintain IP or NEMA rating. • See Wiring setups for hazardous area installations (Page 28). Note •...
  • Page 29 Connecting 5.2 Connecting SITRANS LR250 Wiring instructions 1. Strip the cable jacket for approximately 70 mm (2.75") from the end of the cable, and thread the wires through the gland. (If cable is routed through conduit, use only approved suitable- size hubs for waterproof applications.) 2.

  • Page 30: Basic Plc Configuration With Profibus Pa

    Connecting 5.3 Wiring setups for hazardous area installations 5.2.1 Basic PLC configuration with PROFIBUS PA ① ④ active PLC DP/PA coupler ② ⑤ PROFIBUS DP PROFIBUS PA ③ ⑥ PC/laptop SITRANS LR250 (PROFIBUS PA) Wiring setups for hazardous area installations There are three wiring options for hazardous area installations: ●...

  • Page 31: Plc Configuration With Profibus Pa For Hazardous Areas

    Connecting 5.3 Wiring setups for hazardous area installations 5.3.1 PLC configuration with PROFIBUS PA for hazardous areas ① PLC (active) ② PC/laptop ③ EEx ia type DP/PA coupler ④ EEx ia device SITRANS LR250 (PROFIBUS PA) Operating Instructions, 01/2014, A5E32221386-AB...

  • Page 32: Intrinsically Safe Wiring

    The ATEX and INMETRO 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/)
  • Page 33 Connecting 5.3 Wiring setups for hazardous area installations Entity concept: The Entity Concept allows interconnection of intrinsically safe apparatus to associated 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 factors.
  • Page 34 For complete details and instructions regarding the FISCO Concept The FM/CSA connection drawing number 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.

  • Page 35: Non-Sparking Wiring

    ① nameplate The ATEX certificate listed on the nameplate can be downloaded from our website: Product page (http://www.siemens.com/LR250) Go to: Support > Approvals / Certificates. ● 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 36: Instructions Specific To Hazardous Area Installations

    Connecting 5.4 Instructions specific to hazardous area installations Instructions specific to hazardous area installations (Reference European ATEX Directive 94/9/EC, Annex II, 1/0/6) The following instructions apply to equipment covered by certificate number SIRA 06ATEX2359X and SIRA 09ATEX4154X: 1. For use and assembly, refer to the main instructions. 2.

  • Page 37: Commissioning

    Operating via the handheld programmer 6.1.1 Power up Power up the device. A transition screen showing first the Siemens logo and then the current firmware revision is displayed while the first measurement is being processed. Press Mode to toggle between Measurement and Program mode.

  • Page 38: The Lcd Display

    Commissioning 6.1 Operating via the handheld programmer 6.1.2.1 The LCD display Measurement mode display Normal operation ① ⑤ toggle indicator for AIFB 1 or AIFB 2 bar graph indicates level ② ⑥ identifies which AIFB is source of secondary region indicates on request displayed value electronics temperature, echo confidence, or distance...
  • Page 39 Commissioning 6.1 Operating via the handheld programmer Program mode display Navigation view ① ④ Item band Current item number ② ⑤ Menu bar Current item ③ Current menu ● A visible menu bar indicates the menu list is too long to display all items. ●...

  • Page 40: Handheld Programmer (Part No. 7Ml1930-1Bk)

    Commissioning 6.1 Operating via the handheld programmer 6.1.2.2 Handheld programmer (Part No. 7ML1930-1BK) The programmer is ordered separately. Function Result Updates internal enclosure temperature New value is displayed in LCD secondary reading. region. Updates echo confidence value. Updates distance measurement Mode opens PROGRAM mode Opens the menu level last displayed in this power cycle, unless power has been cycled...

  • Page 41: Programming

    Commissioning 6.1 Operating via the handheld programmer 6.1.3 Programming Note • While the device is in PROGRAM mode the output remains active and continues to respond to changes in the device. • The device automatically returns to Measurement mode after a period of inactivity in PROGRAM mode (between 15 seconds and 2 minutes, depending on the menu level).

  • Page 42: Enter Program Mode

    Commissioning 6.1 Operating via the handheld programmer 6.1.3.1 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 30 minutes, or menu level 1 if power has been cycled since then.

  • Page 43: Navigating: Key Functions In Navigation Mode

    Commissioning 6.1 Operating via the handheld programmer 6.1.3.2 Navigating: key functions in navigation mode Note • In navigation mode ARROW keys move to the next menu item in the direction of the arrow. • For Quick Access to parameters via the handheld programmer, press Home , then enter the menu number, for example: (2.4.1.) Volume.

  • Page 44: Editing In Program Mode

    Commissioning 6.1 Operating via the handheld programmer 6.1.3.3 Editing in program mode Selecting a listed option 1. Navigate to the desired parameter. 2. Press RIGHT arrow to open parameter view. 3. Press RIGHT arrow again to open Edit mode. The current selection is highlighted. Scroll to a new selection.
  • Page 45 Commissioning 6.1 Operating via the handheld programmer Changing a numeric value 1. Navigate to the desired parameter. 2. Press RIGHT arrow to open parameter view. The current value is displayed. 3. Press RIGHT arrow again to open Edit mode. The current value is highlighted. 4.
  • Page 46 Commissioning 6.1 Operating via the handheld programmer Key functions in edit mode Name Function UP or DOWN arrow Selecting Scrolls to item. options Numeric Increments or decrements digits • editing Toggles plus and minus sign • RIGHT arrow Selecting Accepts the data (writes the •...

  • Page 47: Quick Start Wizard Via The Handheld Programmer

    Commissioning 6.1 Operating via the handheld programmer 6.1.3.4 Quick Start Wizard via the handheld programmer Note • A reset to factory defaults should be performed before running the Quick Start Wizard if the device has been used in a previous application. See Master Reset (4.1.). •...
  • Page 48 Commissioning 6.1 Operating via the handheld programmer 1.3 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 (2.3.8.2.)/Empty rate per Minute (2.3.8.3.)

  • Page 49: Auto False Echo Suppression

    Commissioning 6.1 Operating via the handheld programmer 1.6 Low Calibration Point Distance from Sensor Reference to Low Calibration Point: usually process empty level. (See Operating mode for an illustration.) Values Range: 0.00 to 20.00 m 1.7 High Calibration Point Distance from Sensor reference point to High Calibration Point: usually process full level. (See Operating mode for an illustration.) Values Range: 0.00 to 20.00 m...

  • Page 50: Requesting An Echo Profile

    Commissioning 6.1 Operating via the handheld programmer 6.1.3.6 Requesting an Echo Profile • In PROGRAM mode, navigate to: Level Meter > (3.) > Diagnostics > (3.1.) > Echo Profile • Press RIGHT arrow to request a profile. • Use UP or DOWN arrow to scroll to an icon.

  • Page 51: Device Address

    Commissioning 6.1 Operating via the handheld programmer 6.1.3.7 Device address Note See Master Reset (Page 82) to reset Device Address to 126. The unique address of the device on the network (also called PROFIBUS address). Values 0 - 126. Default: 126 1.

  • Page 52: Application Examples

    Commissioning 6.2 Application examples Application examples Note In the applications illustrated below, values are for example purposes only. You can use these examples as setup references. Enter the values in the parameter tables to select the corresponding functions. Configure the basic settings using the Quick Start wizard parameters. (These parameters are inter-related, and changes take effect only after you select YES to apply changes in the final step.) In each example, after performing a Quick Start, navigate to the other required parameters either...

  • Page 53: Liquid Resin In Storage Vessel, Level Measurement

    Commissioning 6.2 Application examples 6.2.1 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 proportional to resin levels: ● Low Calibration Pt. = 5 m (16.4 ft) from sensor reference point ●...
  • Page 54 Commissioning 6.2 Application examples Parameter type Parameter No. /Name Options/ Function Values Low Calibration Point (1.6.) 5 m (16.4 ft) High Calibration Point (1.7.) 0.5 m (1.64 ft) Apply? (Apply changes) (1.8.) Transfers Quick Start settings to device. Independent LOE Timer (2.3.6.) 2 minutes parameters Mode (2.6.9.1.)

  • Page 55: Horizontal Vessel With Volume Measurement

    Commissioning 6.2 Application examples 6.2.2 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 ●...
  • Page 56 Commissioning 6.2 Application examples Parameter type Parameter No./Name Options/ Function Values Independent Vessel Shape (2.4.1.1.) PARABOLIC Defines vessel shape. parameters ENDS Maximum Volume (2.4.1.2.) 8000 8000 liters Vessel Dimension A (2.4.1.3.) 0.8 m (2.62 ft) Vessel Dimension L (2.4.1.4.) 6 m (19.68 ft) LOE Timer (2.3.6.) 2 minutes Mode (2.6.9.1.)

  • Page 57: Application With Stillpipe

    Commissioning 6.2 Application examples 6.2.3 Application with stillpipe A stillpipe is recommended for products with a dK of less than 3, or if extremely turbulent or vortex conditions exist. This mounting arrangement can also be used to provide optimum signal conditions on foaming materials.
  • Page 58 Commissioning 6.2 Application examples Parameter type Parameter No./Name Options/Values Function Quick Start Introduction NEXT Continue with Wizard. Wizard Language (1.1) NEXT Continue with current parameters language. Material (1.2) LIQUID LOW DK Response Rate (1.3) Medium =1 m/minute Units (1.4) meters Operating mode (1.5) LEVEL Level is reported as...
  • Page 59 Commissioning 6.2 Application examples Propagation Factor/Stillpipe Diameter Values Range 0.3 to 1.0 depending on pipe size Default 1.0000 Nominal Pipe Size 40 mm (1.5") 50 mm (2") 80 mm (3") 100 mm (4") Propagation Factor 0.9844 0.988 0.9935 0.9965 CLEF Range (2.5.7.4.) settings calibration calibration calibration...
  • Page 60 Commissioning 6.2 Application examples SITRANS LR250 (PROFIBUS PA) Operating Instructions, 01/2014, A5E32221386-AB...

  • Page 61: Remote Operation

    SIMATIC PDM is a software package used to commission and maintain process devices. Please consult the operating instructions or online help for details on using SIMATIC PDM. You can find more information at our website: SIMATIC PDM (www.siemens.com/simatic-pdm). 7.1.1 Functions in SIMATIC PDM Note •...

  • Page 62: Features Of Simatic Pdm Rev. 6.0, Sp4 Or Higher

    Check the support page of our website to make sure you have the latest version of SIMATIC PDM, the most recent Service Pack (SP) and the most recent hot fix (HF): SIMATIC PDM Version (https://support.automation.siemens.com). Browse to Product Information > Automation Technology > Process control systems > SIMATIC PCS 7 > System components > SIMATIC PDM.

  • Page 63: Electronic Device Description (Edd)

    • Application Guides for setting up PROFIBUS PA devices with SIMATIC PDM can be downloaded from our website: Product page (http://www.siemens.com/LR250). 1. Check that you have the most recent EDD, and if necessary update it. [See Updating the Electronic Device Description (EDD) (Page 61)].

  • Page 64: Quick Start Wizard Via Simatic Pdm

    2. Launch SIMATIC Manager and create a new project. Application Guides for setting up HART and PROFIBUS PA devices with SIMATIC PDM can be downloaded from the product page of our website: Product page (http://www.siemens.com/LR250) SITRANS LR250 (PROFIBUS PA) Operating Instructions, 01/2014, A5E32221386-AB...
  • Page 65 Remote operation 7.1 Operating via SIMATIC PDM Quick start Note • A reset to Factory Defaults should be performed before running the Quick Start Wizard if device has been used in a previous application. See Master Reset via SIMATIC PDM (Page 82).
  • Page 66 Remote operation 7.1 Operating via SIMATIC PDM Step 1 – Identification Note • The layout of the dialog boxes shown may vary according to the resolution setting for your computer monitor. • SITRANS PDM limits the TAG field to a maximum of 24 characters. 1.
  • Page 67 Remote operation 7.1 Operating via SIMATIC PDM Step 2 – Application Select the application type (level or volume) and the material, then click on NEXT. See Application with Stillpipe (Page 55) for a Low Dielectric Liquid application. SITRANS LR250 (PROFIBUS PA) Operating Instructions, 01/2014, A5E32221386-AB...
  • Page 68 Remote operation 7.1 Operating via SIMATIC PDM Step 3 – Vessel Shape The vessel shapes shown are predefined. For a vessel with obstructions, see Auto False Echo Suppression via SIMATIC PDM (Page 73). Select the vessel shape, and click on NEXT.
  • Page 69 Remote operation 7.1 Operating via SIMATIC PDM Step 4 – Ranges Set the parameters, and click on NEXT. Step 5 – Summary Check parameter settings, and click on BACK to return and revise values, FINISH to save settings offline, or FINISH AND DOWNLOAD to save settings offline and transfer them to the device.

  • Page 70: Changing Parameter Settings Using Simatic Pdm

    Remote operation 7.1 Operating via SIMATIC PDM 7.1.4 Changing parameter settings using SIMATIC PDM Note • For a complete list of parameters, see Parameter Reference (Page 93). • Clicking on Cancel during an upload from device to SIMATIC PDM will result in some parameters being updated.

  • Page 71: Parameters Accessed Via Pull-Down Menus

    Remote operation 7.1 Operating via SIMATIC PDM 7.1.5 Parameters accessed via pull-down menus Click on Device or View to open the associated pull-down menus. Pull-down menus Device menus View menus Communication path Process Variables (Page 83) Download to device Device Diagnostics Upload to PC/PG Toolbar Update Diagnostic Status...
  • Page 72 Remote operation 7.1 Operating via SIMATIC PDM Echo profile Note • Double click on each axis to see the Xscale and Data Scale values. • To zoom in to a section of the profile, left-click and drag a marquee around it. Right click inside the window to zoom out.
  • Page 73 Remote operation 7.1 Operating via SIMATIC PDM View saved echo profiles To view a saved profile, click on the tab View Saved Echo Profiles. Echo profile data logging You can store up to 60 profiles at a selected interval (maximum 60 minutes). Inside Echo Profile Utilities, in the Echo Profile Time Based Storage window: ●...
  • Page 74 Remote operation 7.1 Operating via SIMATIC PDM TVT Shaper Note Double click on each axis to see the X scale and data scale values. Right-click or Left-click on the axis and drag to reposition the scale. This feature allows you to manually adjust the TVT to avoid false echoes caused by obstructions.

  • Page 75: Auto False Echo Suppression

    Remote operation 7.1 Operating via SIMATIC PDM 7.1.5.2 Auto false echo suppression Note • Ensure material level is below all known obstructions when using Auto False Echo Suppression to learn the echo profile. An empty or almost empty vessel is recommended. •...
  • Page 76 Remote operation 7.1 Operating via SIMATIC PDM 1. Make sure the material level is below all known obstructions. 2. 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. Subtract 0.5 m (20") from this distance, and use the resulting value.
  • Page 77 Remote operation 7.1 Operating via SIMATIC PDM Before Auto False Echo Suppression ① ④ TVT Hover Level Echo marker ② ⑤ Default TVT Material level ③ False echo After Auto False Echo Suppression ① ④ False echo Material level ② ⑤...

  • Page 78: Echo Setup

    Remote operation 7.1 Operating via SIMATIC PDM 7.1.5.3 Echo setup Provides quick access to echo selection, filtering, and response rate parameters. Open the menu Device – Echo Profile Utilities and click on Echo Setup. SITRANS LR250 (PROFIBUS PA) Operating Instructions, 01/2014, A5E32221386-AB...

  • Page 79: Maintenance

    Remote operation 7.1 Operating via SIMATIC PDM 7.1.5.4 Maintenance You can set schedules and reminders for: ● device maintenance based on its projected lifetime ● sensor maintenance based on its projected lifetime ● service ● calibration SITRANS LR250 (PROFIBUS PA) Operating Instructions, 01/2014, A5E32221386-AB...

  • Page 80: Acknowledge Faults

    Remote operation 7.1 Operating via SIMATIC PDM To set Device/Sensor Maintenance schedules: 1. Open the menu Device – Maintenance, and click on the Remaining Device/Sensor Lifetime tab. 2. Modify desired values, and if desired, set reminders for either or both of Reminder 1 before Lifetime (Required)/Reminder 2 before Lifetime (Demanded).

  • Page 81: Simulation

    Remote operation 7.1 Operating via SIMATIC PDM 7.1.5.7 Simulation Note The Simulation parameter influences output to the control system. Two options enable you to test the functioning of the Analog Input Function Blocks or the functioning of everything between the Transducer Block and Output. For more details see Analog Input Function Blocks 1 and 2 (Page 225).
  • Page 82 Remote operation 7.1 Operating via SIMATIC PDM 4. The Output value from the desired function block is displayed in PDM, and the LCD displays the substitute value. See Simulate Output below, to set the output mode. 5. After simulation is complete, disable simulation and click on Transfer. Simulate output 1.

  • Page 83: Write Locking

    Remote operation 7.1 Operating via SIMATIC PDM Simulate input 1. Open the menu Device – Simulation, and select Simulation (Input). 2. To enable simulation select Fixed or Ramp. 3. If you select Ramp, enter the step length and number of steps. 4.

  • Page 84: Master Reset

    Remote operation 7.1 Operating via SIMATIC PDM 7.1.5.9 Master reset Options Result Factory defaults Resets all parameters to the manufacturer’s default settings, with certain exceptions: see Factory defaults (Page 82). Standard defaults Resets all resettable parameters excluding device addresses to the PROFIBUS default settings.

  • Page 85: Diagnostics

    Remote operation 7.1 Operating via SIMATIC PDM 7.1.5.11 Diagnostics You can monitor level/volume trends, function blocks, electronics temperature, and device status. Process variables To compare outputs in real time open the menu View – Process Variables. Note To view peak sensor values, peak FB1 and FB2 values, or peak electronics temperatures, see Device Diagnostics (Page 86).
  • Page 86 Remote operation 7.1 Operating via SIMATIC PDM Function blocks Open the menu View – Process Variables and click on Function Blocks to view the channel (level, volume, space, or distance), operating mode (Auto, Manual, or Out of Service), quality, status, simulation setting, and summary of alarms. SITRANS LR250 (PROFIBUS PA) Operating Instructions, 01/2014, A5E32221386-AB...
  • Page 87 Remote operation 7.1 Operating via SIMATIC PDM Trend view Open the menu View – Process Variables and click on Trend View to monitor Sensor Value and values for AIFB1 and AIFB2. ① trend line ② trend lines SITRANS LR250 (PROFIBUS PA) Operating Instructions, 01/2014, A5E32221386-AB...
  • Page 88 Remote operation 7.1 Operating via SIMATIC PDM Device diagnostics Device status Open the menu View – Device Diagnostics and go to Device Status to view Diagnostics, Device Status, Extended Diagnostics, and Maintenance. Diagnostics In the Device Status window, click on the Diagnostics tab, then on the Update diagnostics button, to update diagnostic information and refresh linked icons.
  • Page 89 Remote operation 7.1 Operating via SIMATIC PDM Device Status Click on the Device Status tab to view peak sensor values, peak FB1 and FB2 values, and peak electronics temperatures. SITRANS LR250 (PROFIBUS PA) Operating Instructions, 01/2014, A5E32221386-AB...
  • Page 90 Remote operation 7.1 Operating via SIMATIC PDM Analog Input 1/Analog Input 2 Open the menu View – Device Diagnostics and go to Analog Input 1/Analog Input 2. Click on the tab Overview to see the status of all warnings and alarms. Click on the tab Alarms and Warnings for details.
  • Page 91 Remote operation 7.2 Operating via FDT Security A password option protects security and communication control parameters from modification by a maintenance user. When you open a project the User dialog window provides two options: maintenance or specialist. If a password has been set it will not be possible to open the project as a specialist without it.

  • Page 92: Operating Via Fdt

    EDD is independent of the operating system. 7.2.2 SITRANS DTM ● SITRANS DTM is an EDDL interpreter developed by Siemens to interpret the EDD for that device. ● To use SITRANS DTM to connect to a device, you must first install SITRANS DTM on your system and then install the device EDD written for SITRANS DTM.

  • Page 93: The Device Edd

    Remote operation 7.2 Operating via FDT 7.2.3 The device EDD The SITRANS LR250 PROFIBUS PA EDD for SITRANS DTM can be downloaded from our website: Product page (http://www.siemens.com/LR250). Go to Support > Software Downloads. 7.2.4 Configuring a new device via FDT The full process to configure a field device via FDT is outlined in an Application Guide which can be downloaded from our website under Support >...
  • Page 94 Remote operation 7.2 Operating via FDT SITRANS LR250 (PROFIBUS PA) Operating Instructions, 01/2014, A5E32221386-AB...

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