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Siemens SITRANS Probe LU Operating Instructions Manual
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Siemens SITRANS Probe LU Operating Instructions Manual

Ultraschall transmitter
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See also: Instruction Manual
Ultraschall-Messumformer
Ultrasonic Transmitter
SITRANS Probe LU (HART)
LU (Sitrans Probe LU / HART)
Operating Instructions
Betriebsanleitung
Edition
Ausgabe
08/2017
01/2016

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Summary of Contents for Siemens SITRANS Probe LU

  • Page 1 Ultraschall-Messumformer Ultrasonic Transmitter SITRANS Probe LU (HART) LU (Sitrans Probe LU / HART) Operating Instructions Betriebsanleitung Edition Ausgabe 08/2017 01/2016...
  • Page 2 Siemens AG Industry Sector 76181 Karlsruhe Deutschland • For a selection of Siemens level measurement manuals, go to: www. siemens.com/processautomation. Select Products & Systems, then under Process Level Measurement. Instrumentation, select Manual archives can be found on the Support page by product family.

  • Page 3: Table Of Contents

    SITRANS Probe LU (Ultrasonic) ..................4 Applications ............................4 Level, volume or flow ......................... 4 SITRANS Probe LU System Implementation ................5 Programming ..........................5 SITRANS Probe LU Approvals and Certificates ..............5 Specifications ........................7 SITRANS Probe LU ..........................7 Power............................. 7 Performance..........................7 Interface ............................
  • Page 4 Low temperature effects on RUN/PROGRAM modes ............19 Security ............................20 Starting PROGRAM mode ......................20 Handheld programmer .......................20 Activating SITRANS Probe LU ......................20 Accessing a parameter ......................21 Changing a Parameter Value ....................21 Master Reset (P999) ........................22 Using Units or Percent (%) ......................22 Setup Steps (outline) ..........................22...
  • Page 5 EU Equivalency .......................... 94 Loop Voltage versus Loop Resistance ...................95 IS Safety Barrier Selection .......................95 How to select a passive barrier for SITRANS Probe LU ..........95 PLC Input Modules........................96 Passive Shunt Diode Barriers ....................96 Active barriers (repeating barriers)..................96 FM Intrinsically safe connection drawing ..................99...

  • Page 7: Safety Notes

    • This manual applies to the SITRANS Probe LU (HART) only. This manual will help you set up your SITRANS Probe LU for optimum performance. We always welcome suggestions and comments about manual content, design, and accessibility.

  • Page 8: Application Examples

    Application Examples The application examples used in this manual illustrate typical installations using SITRANS Probe LU. Because there is often a range of ways to approach an application, other configurations may also apply. In all examples, substitute your own application details. If the examples do not apply to your application, check the applicable parameter reference for the available options.
  • Page 9 20 mA above which no PV is Upper Sensor Limit anticipated 100% is most commonly set to 20 mA, and 0% to 4 mA: however, the settings can be reversed. A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 3...

  • Page 10: Sitrans Probe Lu (Ultrasonic)

    By using the universal linear function of parameter P051, and entering values for Head and Flow in the breakpoint parameters P054 and 055, you can use SITRANS Probe LU to convert head levels into flow rates. P P age 4 SITRANS Probe LU (HART) –...

  • Page 11: Sitrans Probe Lu System Implementation

    Probe LU communicator Programming SITRANS Probe LU carries out its level measurement function according to the set of built-in parameters. Parameter changes can be made via the handheld programmer, via a PC using SIMATIC PDM, or via a HART Handheld Communicator.
  • Page 12 Notes P P age 6 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 13: Specifications

    Specifications Siemens makes every attempt to ensure the accuracy of these specifications Note: but reserves the right to change them at any time. SITRANS Probe LU Power Loop Voltage Nominal 24 V DC at For other configurations, see the chart versus Loop Resistance max.

  • Page 14: Interface

    • display (local) multi-segment alphanumeric liquid crystal with Bar graph (representing level) Programmer (infrared keypad) Siemens Infrared IS (Intrinsically Safe) Handheld Programmer: for all locations, including hazardous. • approval ATEX II 1GD, Ex ia IIC T4 Ga, Ex iaD 20 T135 °C, SIRA 01ATEX2147 IECEx SIR 09.0073 Ex ia IIC T4 Ga, Ex iaD 20 T135 °C...

  • Page 15: Environmental

    • pressure rating 0.5 bar g/7.25 psi g Process • temperature (at flange or threads) −40 to +85 °C (−40 to +185 °F) • pressure (vessel) 0.5 bar g/7.25 psi g A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 9...

  • Page 16: Approvals (Verify Against Device Nameplate)

    4X / NEMA 4X, Type 6 / NEMA 6, IP67 IP68 locations. FM Intrinsically safe connection drawing CSA Intrinsically Safe on page 99 or connection drawing on page 100. FM Class 1, Div. 2 connection drawing on page 101. Page 10 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 17: Installation

    • This product is susceptible to electrostatic shock. Follow proper grounding procedures. • Ideally, mount SITRANS Probe LU so that the face of the transducer is at least 300 mm (1 ft) above the highest anticipated level. Mounting Location Recommendations: •...

  • Page 18: Mounting Instructions

    Mounting Instructions Note: • Ideally, mount SITRANS Probe LU so that the face of the transducer is at least 300 mm (1 ft) above the highest anticipated level. • More than one Probe LU can be installed in a vessel. However, best practice would be to place the two units as far apart as possible to avoid interference.

  • Page 19: Sitrans Probe Lu Dimensions

    51. 1 mm (2.01") 54.0 mm (2. 1 3") Flange Adaptor (optional) SITRANS Probe LU can be fitted with the optional 3" (80 mm) flange adaptor for mating to 3" ANSI, DIN 65PN10 and JIS 10K3B flanges. SITRANS Probe LU "A"...
  • Page 20 Page 14 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 21: Wiring

    Strip the cable jacket for approximately 70 mm (2.75") from the end of the cable, and thread the wires through the gland Safety Extra Low Voltage If cable is routed through conduit, use only approved suitable-size hubs for waterproof applications. A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 15...
  • Page 22 Close the cover and tighten screws: please do not overtighten screws. Recommended torque is 1.1 to 1.7 N-m (10 to 15 in-lb). If the lid gasket is noticeably dry, applying a silicone grease can improve the Note: sealing function. Page 16 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 23: Operating The Sitrans Probe Lu

    SITRANS Probe LU has two modes of operation: RUN and PROGRAM. RUN Mode SITRANS Probe LU automatically starts in RUN mode when power is applied, and detects the material level. The primary reading displays the material level (in meters) referenced from Empty (process empty level).

  • Page 24: Program Mode

    Activate PROGRAM mode at any time, to change parameter values and set operating conditions. • For local programming, use the Siemens handheld programmer. • For programming from a distance, use either a PC running SIMATIC PDM, or a HART handheld communicator.

  • Page 25: Low Temperature Effects On Run/Program Modes

    • handheld programmer operation is disabled • the LCD displays only limited information: the bar graph and the reliable/ unreliable echo indicator PROGRAM mode: • handheld programmer operation is disabled A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 19...

  • Page 26: Security

    For detailed instructions on using the handheld programmer, see the next page. Note: For direct access to SITRANS Probe LU, point the handheld programmer at the display from a maximum distance of 600 mm (2 ft), and press the keys.

  • Page 27: Accessing A Parameter

    Press ENTER to set the value. Parameter Reset to Factory Default Scroll to the parameter or enter its address. Press CLEAR then ENTER . The value returns to the default setting. A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 21...

  • Page 28: Master Reset (P999)

    Enable Auto False-Echo Suppression P837. Return to RUN mode. The language options are English, German, French, or Spanish. The parameter title appears in the language selected, for the first 10 parameters. Page 22 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 29: Setup Instructions

    P050 is set to 0: the reading returns the distance from process empty level (Empty) to the current level • for a volume reading, select a vessel shape at P050, and set volume parameters 051 to 055 as required A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 23...
  • Page 30 32.) Select type of measurement units required (P005: Units) meters centimeters millimeters Values feet inches Blanking Distance Blanking distance is 0.25 m (10"). See on page 89 for more details. Page 24 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...
  • Page 31 This provides a 0.05 m (2") safety margin, as the minimum detectable distance is 0.25 m (10"). Blanking Distance Blanking distance is 0.25 m (10"). See on page 89 for more details. A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 25...
  • Page 32 Minimize false reflections (P838: Auto False-Echo Suppression Distance) If SITRANS Probe LU displays an incorrect full level, or if the reading fluctuates between a false high level and a correct level, you can use the TVT (Time Varying Threshold) shaper parameters P838 and P837 together to prevent false-echo detection.
  • Page 33 RUN mode. False echoes can be caused by obstructions within the beam path. For more detail, see TVT adjustment parameters, page 60, and TVT curves, page 89. A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 27...

  • Page 34: Additional Settings

    TVT curve adjustments - Auto False Echo Suppression (P830 to P839) • Software diagnostic tests (P900 and P901) • Adjust measurements (P911 to P924) Parameter Reference For a full list of available parameters, see , starting on page 29. Page 28 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 35: Parameter Reference

    SITRANS Probe LU is configured through its parameters, and the application determines the parameter values which are entered into the instrument. Please check your value entries carefully before operating SITRANS Probe LU, to ensure optimum performance. Helpful Hints •...

  • Page 36: To Access A Secondary Index And Change A Value

    • This lock only applies to the handheld programmer: it does not lock access through communications. • A remote master can change configuration if P799 is set to allow this. Secures SITRANS Probe LU from parameter changes via the handheld programmer. Unlocked Value (P069) Unlocked: programming permitted...

  • Page 37: Quick Start (P001 To P010)

    (P001 = 1) transducer 4 mA face 20 mA 4 mA Span Distance Span 100% Space P007 P006 Level Empty Empty 100% 100% Empty 20 mA 20 mA 4 mA A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 31...
  • Page 38 Failsafe timer (P070): establishes the period from the time a loss of echo (LOE) starts until the Failsafe default (P071) is triggered. P070 takes precedence over P003. Blanking Distance Blanking distance is 0.25 m (10"). See on page 89 for more details. Page 32 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...
  • Page 39 See note on next page for more details. Enter the distance between Empty (process empty level) and Span (process full level), in units set in P005. Span can be set at any distance above Empty level. A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 33...

  • Page 40: Volume (Or Flow) P050 To P055

    (See the table on page 23 for the titles displayed.) Volume (or Flow) P050 to P055 Set SITRANS Probe LU to calculate readings based on reservoir volume instead of level: see P050 Vessel (or Channel) Shape on page 35 for details on displaying flowrate.
  • Page 41 P050 Vessel (or Channel) Shape Defines the vessel (or open channel) shape (see chart on next page) and allows SITRANS Probe LU to calculate volume or flow instead of level. The default setting for P050 is 0 (volume calculation not required).
  • Page 42 P051, P052 spherical bottom P051, P052 angled bottom P051, P052 flat end cylinder P051 parabolic end cylinder P051, P052, P053 P051 sphere universal linear P051, P054, P055 level/volume/flow breakpoints Page 36 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...
  • Page 43 In P055 you assign a corresponding volume value to each breakpoint. P054 Primary Index Breakpoint number Secondary Index Range 0.0000 to 99999 in units (P005) Values Default 0.000 P055 Volume or Flow Breakpoints Related Parameters A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 37...
  • Page 44 Level breakpoint Volume breakpoint number (P054) (P055) 1200 3200 Illustrated values for P054 and P055 are for example purposes only. Note: For more details on secondary index operation, see page 30. Page 38 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...
  • Page 45 113.5 0.3 m 55.3 0.2 m 20.07 head Illustrated values for P054 and P055 are for example purposes only. Note: For more details on secondary index operation, see page 30. A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 39...
  • Page 46 If you are measuring head and flow, follow the Flow Breakpoints instructions on page 41. Volume breakpoints Each segment defined by the level breakpoints (P054) requires a corresponding volume, so that SITRANS Probe LU can make the level-to-volume calculations. Primary Index P055...
  • Page 47 Flow breakpoints Each segment defined by the head breakpoints (P054) requires a corresponding flow value, so that SITRANS Probe LU can make the head-to-flow calculations. P055 Primary Index Breakpoint number Secondary Index Range 0.0000 to 99999 in units Values Default 0.0000...

  • Page 48: Lock (P069)

    • Default setting for P000 is unlocked. • After a new value has been stored at P069, that value will be recalled after a master reset (P999). • Consult your Siemens representative, if you have forgotten the unlocked value. Failsafe (P070 to P073) P070 Failsafe Timer Sets the time to elapse in minutes since the last valid reading, before Failsafe State activates.

  • Page 49: Ma Output (P201 To P215)

    For HART, 4 mA and 20 mA represent the upper and lower range limits for the primary variable. A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 43...
  • Page 50 Enter the reading that is to correspond to a 4 mA output. Use percent or units, depending on the setting for P051. P050 Vessel (or Channel) Shape To display flowrate instead of volume, see page 35. Page 44 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...
  • Page 51 Prevents the mA output from rising above this maximum level for a measurement value. This does not restrict the Failsafe or manual settings. Range 3.800 to 20.500 (mA) Values Default 20.500 (mA) A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 45...

  • Page 52: Installation Records (P300 To P346)

    P214 4 mA Output Trim This parameter is for use only by Siemens service personnel. Note: Calibrates the 4 mA output. P215 20 mA Output Trim This parameter is for use only by Siemens service personnel. Note: Calibrates the 20 mA output.
  • Page 53 Key in the index number required, and press ENTER The temperature value associated with the new secondary index appears. Press DISPLAY twice and use the ARROW keys or enter the value for the next desired parameter. A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 47...

  • Page 54: Range Calibration (P650 To P654)

    Do Offset calibration at any steady level, unless a Sound Velocity calibration is also done. If both calibrations are done, then do Offset at a known high level, and Sound Velocity at a known low level. Page 48 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...
  • Page 55 The acoustic beam atmosphere temperature is unknown. • The reading accuracy is acceptable only at higher material levels. For best results, calibrate with the level at a known value close to empty. A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 49...
  • Page 56 • P660/P661 Temperature setting The units used depend on the setting for P005: • m/s if P005 = 1, 2, or 3 • ft/s if P005 = 4 or 5. Page 50 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 57: Temperature Compensation (P660 To P664)

    Use this function when you want to manually override the temperature sensor with a fixed temperature value. • Set P660 to 2. • Enter the fixed temperature value you want to use in place of the sensor temperature. A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 51...

  • Page 58: Rate (P700 And P701)

    These parameters determine how material level changes are reported. P700 Maximum Fill Rate Allows you to further adjust the SITRANS Probe LU response to increases in the actual material level (or an advance to a higher Failsafe Material Level, P071). P700 is automatically updated whenever Measurement Response (P003) is altered.

  • Page 59: Measurement Verification (P709 To P713)

    Use this feature to select the measurement verification process. Maximum Verification Values Material Agitator Total Lock P700 Maximum Fill Rate P701 Maximum Empty Rate P712 Echo Lock Sampling Related P713 Echo Lock Window P820 Algorithm A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 53...
  • Page 60 The window then returns to its normal width. When Echo Lock is Off, SITRANS Probe LU responds immediately to a new measurement, as restricted by the Maximum Fill / Empty Rate (P700 / P701). However, measurement reliability is affected.

  • Page 61: P752 Hart Address

    Sets the device address or poll ID on a HART network. Any address other than 0 will cause the output current to be a fixed value, and the current will not indicate the reading. Values Range 0 to 15 Units are those set in P005. A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 55...

  • Page 62: Communications (P799)

    Notes: • P799 controls the access if you are using a HART master. • P000 controls the lock access if you are using the Siemens handheld programmer. Echo Processing (P800 to P825) The following parameters are for authorized Siemens Service personnel or technicians familiar with Siemens echo processing techniques.
  • Page 63 P801 Range Extension SITRANS Probe LU has an absolute maximum range of 7.2 m (23.6 ft). or 14.4 m Note: (47.24 ft), depending on the model. Allows the material level to drop below Empty (process empty level), without generating an LOE state.
  • Page 64 Displays the absolute strength (in dB above 1 μV rms) of the echo selected as the measurement echo. –20 to 112 Display Values (view only) Press the measurement key to get a new reading that will update echo strength. Page 58 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 65: Algorithm (P820)

    Echo Lock Window to be set so that it intersects the Echo Profile at the sharpest rising portion of the Echo Profile. Range 5 to 95% Values Default 50 (%) A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 59...

  • Page 66: Tvt (Time Varying Threshold) Adjustment Parameters (P830 To P839)

    TVT (Time Varying Threshold) Adjustment Parameters (P830 to P839) First SITRANS Probe LU learns the echo profile. Then the learned profile, or part of the learned profile, is used to screen out false echoes. The following parameters are for authorized Siemens Service personnel or technicians familiar with Siemens echo processing techniques.
  • Page 67 • If the vessel contains an agitator, the agitator should be running. If SITRANS Probe LU displays a full level, or if the reading fluctuates between a false high level and a correct level, set P837 to elevate the TVT in this region and to de-sensitize the receiver from any ‘base noise’...
  • Page 68 6. Press 2 and then press ENTER . P837 will revert to 1 (use Learned TVT) automatically after a few seconds. Display after Auto False Echo Suppression TVT curve material (learned) level false echo Distance (meters) Page 62 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 69: Diagnostic Tests (P900 To P924)

    P839 TVT Hover Level Defines (in percent) how high the TVT curve is placed above the profile, relative to the largest echo. When SITRANS Probe LU is located in the center of the vessel, lower this parameter to prevent multiple echo detections.

  • Page 70: Measurement

    P912 Temperature Displays the temperature in C (as monitored by the connected transducer). This value is not affected by Temperature Source (P660). Range Values (view only) –40 to 85 ( Page 64 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...
  • Page 71 –99999 to 99999 Values (view only) P922 Space Measurement Displays the distance between the monitored surface and Span / process full level (P007). Range –99999 to 99999 Values (view only) A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 65...
  • Page 72 Use this feature after upgrading software: 1. Select P999. 2. Press CLEAR then ENTER to Clear All and initiate reset. 3. Reset complete. (Note: Reset takes several seconds to complete.) Page 66 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 73: Appendix A: Alphabetical Parameter List

    Echo Strength Empty (process empty level) Failsafe Level Fail-Safe Material Level Fail-Safe Timer Internal Temperature Language Level (or Head) Breakpoints Lock mA Output Function Maximum mA Limit Minimum mA Limit A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 67...
  • Page 74 Reading Measurement RUN Time Serial Number Software Revision Number Sound Velocity at 20 Sound Velocity Calibration Space Measurement Span (process full level) Temperature Temperature Temperature fixed Temperature source Temperature, transducer maximum Page 68 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...
  • Page 75 TVT Hover Level TVT Shaper TVT Shaper Adjust TVT Type Units Unlocked value Velocity Vessel Dimension ‘ A ’ Vessel Dimension ‘L’ Vessel Shape Volume (or Flow) Breakpoints Volume (or Flow) Measurement A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 69...
  • Page 76 Page 70 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 77: Appendix B: Programming Chart

    P214 4 mA Output Trim P215 20 mA Output Trim P300 Temperature, transducer maximum P341 RUN Time P342 Power-On Resets P343 Internal Temperature P650 Offset Calibration P651 Sound Velocity Calibration P652 Offset Correction A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 71...
  • Page 78 P838 Auto False-Echo Suppression Distance P839 TVT Hover Level P900 Software Revision Number P901 Memory Test P911 mA Output Value P912 Temperature P920 Reading Measurement P921 Material Measurement P922 Space Measurement Page 72 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...
  • Page 79 Number Parameter Name Value P923 Distance Measurement P924 Volume (or Flow) Measurement P999 Master Reset A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 73...
  • Page 80 Page 74 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 81: Appendix C: Hart Communications

    Communication Foundation. Please contact your local Siemens representative concerning the availability of the HART EDD for SITRANS Probe LU. Older versions of the library will have to be updated in order to use all the features in the SITRANS Probe LU.

  • Page 82: Hart Communicator 275/375

    6. Manufacturer data 1. Serial No 2. Revision HART information 1. Manufacturer 2. Model 3. HART Dev ID 4. Universal rev 5. Fld dev rev 6. Software rev 7. Hardware rev Page 76 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...
  • Page 83 1. mA Function cylinder parabol end 2. FS Timer sphere 3. FS default measure universal linear 4. FS Advance 5. FS level val Bk LevVol Gr Bk LevVol 1_32 A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 77...
  • Page 84 3. TVT breakpoint 33 4. TVT breakpoint 34 5. TVT breakpoint 35 6. TVT breakpoint 36 7. TVT breakpoint 37 8. TVT breakpoint 38 9. TVT breakpoint 39 TVT breakpoint 40 Page 78 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 85: Simatic Process Device Manager (Pdm)

    SIMATIC Process Device Manager (PDM): This software package is designed to permit easy configuration, monitoring and troubleshooting of HART devices. The HART DD for the SITRANS Probe LU was written with SIMATIC PDM in mind and has been extensively tested with this software.

  • Page 86: Hart Version

    Units Maintenance Status Acknowledge Status Acknowledge HART Version The SITRANS Probe LU (HART) conforms to HART rev. 5. Burst mode SITRANS Probe LU (HART) does not support burst mode. Multidrop Configuration SITRANS Probe LU (HART) does not support multidrop configuration.

  • Page 87: Appendix D: Troubleshooting

    The device can be programmed using the handheld programmer Verify that the wiring connections are correct. Specifically: If you try to set a SITRANS Probe LU parameter via remote communications, but the parameter remains unchanged: • Some parameters can only be changed when the device is not scanning. Try putting the device in program mode using the operating mode function.

  • Page 88: General Fault Code

    Perform service. Required Limit has expired. Service interval as defined in Maintenance Perform service. Demanded Limit has expired. S:11 Internal temperature sensor failure. Repair required: contact your local Siemens representative. Page 82 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...
  • Page 89 S:37 * Measurement hardware problem. Reset power. If error persists, contact your local Siemens representative. S:38 * Failure in the device electronics. Reset power. If fault persists, contact your local Siemens representative: repair required. A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 83...
  • Page 90 9); do a P999 reset. S:49 * EEPROM corrupt. Repair required: contact your local Siemens representative. S:50 * EEPROM corrupt. Repair required: contact your local Siemens representative. Page 84 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 91: Operation Troubleshooting

    P003 Measurement Response P070 Failsafe Timer Refer to on page 32, or on page 42, for duration of `Waiting' periods. Blanking Distance For details on blanking, see on page 89. A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 85...
  • Page 92 Page 86 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 93: Appendix E: Maintenance

    Please note the following: • The user is responsible for all changes and repairs made to the device. • All new components must be provided by Siemens Process Instruments Inc. • Restrict repair to faulty components only. •...
  • Page 94 Page 88 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 95: Appendix F: Technical References

    The transducer emits a series of ultrasonic pulses: each pulse is reflected as an echo from the material and sensed by the transducer. The echo is processed by SITRANS Probe LU, using Siemens ’ proven Sonic Intelligence techniques. Filtering is applied to help discriminate between the true echo from the material, and false echoes from acoustic and electrical noises and agitator blades in motion.
  • Page 96 (or when P837 = 0) default TVT true P839 echo Hover Level false echo Distance (meters) Display after Auto False Echo Suppression TVT curve material (learned) level false echo Distance (meters) Page 90 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 97: Open Channel Monitoring (Ocm)

    OCM converts a level reading (head) into a flow value using a linear algorithm. SITRANS Probe LU can convert a head level measurement into a flow rate, using a thirty- two breakpoint head-versus-flow characteristic curve. This chart is usually available from the manufacturer of the v-notch weir, Parshall flume, or other open channel device.

  • Page 98: Chemical Compatibility

    Failsafe mode without delay. Chemical compatibility The plastic materials used in the construction of SITRANS Probe LU (ETFE, PBT, and PVDF) are resistant to attack from most chemicals. For exposure to specific environments, check with chemical compatibility charts before installing and operating SITRANS Probe LU in your application.

  • Page 99: Appendix G: Hazardous Area Installations

    Wiring Details Intrinsically Safe Model (reference drawing 23650516: see page 99) (reference drawing 23650517: see page 100) Under the entity evaluation concept, SITRANS Probe LU has the following characteristics: (input voltage) U = 30 V DC (max.) (input current) I = 120 mA DC (max.)

  • Page 100: Fm/Csa

    [ EEx ia ] IIC, its output voltage (U ) not exceeding 30 V and its output current (I ) limited by load resistance (R ); such that I , does not exceed 120 mA. Page 94 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 101: Loop Voltage Versus Loop Resistance

    How to select a passive barrier for SITRANS Probe LU Make sure that the barrier safety description is suitable for the SITRANS Probe LU Intrinsically Safe (IS) input parameters. Determine the maximum end-to-end resistance of the barrier (Re-e) from the data sheet.

  • Page 102: Plc Input Modules

    Notes: • The following list is not complete: there are many safety barriers on the market, which will work with the SITRANS Probe LU. • The barriers listed below have all been tested and are functionally compatible with the SITRANS Probe LU.
  • Page 103 Assembled in Canada with domestic and imported parts The ATEX certificate can be downloaded from the product page of our website at: www.siemens.com/probelu. Go to Support > Approvals / Certificates. The IECEx certificate listed on the nameplate can be viewed on the IECEx website. Go to: http://iecex.iec.ch and click on Ex Equipment Certificates of Conformity then enter the...
  • Page 104 Instructions specific to hazardous area installations (Reference European ATEX Directive 2014/34/EU, Annex II, 1/0/6) The following instructions apply to the SITRANS Probe LU covered by certificate number SIRA 06ATEX2355X: 1. For use and assembly, refer to the main instructions. 2. The equipment is certified for use as Category 1G equipment.

  • Page 105: Fm Intrinsically Safe Connection Drawing

    FM Intrinsically safe connection drawing Reference drawing 23650516 is available from the product page of our website Note: at: www.siemens.com/probelu. A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 99...

  • Page 106: Csa Intrinsically Safe Connection Drawing

    CSA Intrinsically Safe connection drawing Reference drawing 23650517 is available from the product page of our website Note: at: www.siemens.com/probelu. Page 100 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 107: Fm Class 1, Div. 2 Connection Drawing

    29 / SEPT / 2004 R. CLYSDALE SITRANS Probe LU S. MILLIGAN CLASS I, Div. 2 S. NGUYEN CONNECTION DRAWING PETERBOROUGH FOR INTERNAL USE ONLY 23650583 2365058300 1 : 1 A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 101...
  • Page 108 Page 102 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 109: Appendix H: Firmware Revision History

    Fault system upgraded to use S# fault codes. 2.02 2.01.06 4 May 2008 • Maintenance release 2.03 2.01.06 9 Sept 2008 • Internal release 2.04 2.01.06 25 May 2013 • Maintenance release A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 103...
  • Page 110 Page 104 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 111: Glossary

    (decibel): a unit used to measure the amplitude of signals. A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 105...
  • Page 112 Near Blanking: see Blanking nozzle: a length of pipe mounted onto a vessel that supports the flange. parameters: in programming, variables that are given constant values for specific purposes or processes. Page 106 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...
  • Page 113 TVT (time varying threshold): a time-varying curve that determines the threshold level above which echoes are determined to be valid. ultrasonic: having a frequency above the human ear’s audibility limit: about 20,000 hertz. A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 107...
  • Page 114 Notes Page 108 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...

  • Page 115: Index

    61 percent or units 22 false-echo suppression power supply requirements setting 61 loop voltage vs. loop resistance 95 function keys (RUN) specifications 7 display echo confidence 18 primary index 29 A5E32337695 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS Page 109...
  • Page 116 57 parabolic bottoms 57 selection 36 voltage loop voltage vs. loop resistance 95 volume measurement 31 volume parameters 34 wire gauge 15 zener diode safety barriers 94 Page 110 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695...
  • Page 117 For more information www.siemens.com/level www.siemens.com/weighing Siemens Canada Limited 1954 Technology Drive Printed in Canada P.O. Box 4225 Subject to change without prior notice A5E32337695 Rev. AC Peterborough, ON Canada K9J 7B1 © Siemens AG 2017 www.siemens.com/processautomation...

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