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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. Do not reuse faulty components.
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. Notes: • 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.
Testing and measurement techniques – Immunity to EN61000-4-6:2004 conducted disturbances, induced by radio-frequency fields. Electromagnetic Compatibility (EMC) Part 4-8: EN61000-4-8:2001 Testing and measurement techniques – Power frequency magnetic field immunity test. Page 2 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
For on-line technical support go to: www.siemens.com/automation/support-request • Enter the device name (SITRANS LR260) or order number, then click on S S earch, and select the appropriate product type. Click on N N ext. • You will be prompted to enter a keyword describing your issue. Then either browse the relevant documentation, or click on N N ext to email a detailed description of your issue to Siemens Technical Support staff.
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Pressure Equipment Directive safety approval pico Farads parts per million Primary Variable measured value S S econdary Variable equivalent value sensitivity Time Varying Threshold threshold Input voltage Output voltage Page 4 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
1,000,000 applications worldwide (ultrasonic and radar). Programming SITRANS LR260 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 via SIMATIC PDM.
Specifications Note: Siemens Milltronics makes every attempt to ensure the accuracy of these specifications but reserves the right to change them at any time. Power Nominal 24 V DC with For other configurations, see the chart under Loop max. 550 Ohm loop resis-...
Process Pressure/Temperature derating curves Process Pressure/Temperature derating curves page 98, and on page 98. Pressure rated version for maximum process temperature of 80 °C (176 °F) Page 9 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
Programmer (infrared keypad) Siemens Milltronics Infrared IS (Intrinsically Safe) Hand Programmer for hazardous and all other locations (battery is non-replaceable) • approval ATEX II 1 G, EEx ia IIC T4, cert. SIRA 01ATEX2147 FM/CSA: Class I, Div. 1, Groups A, B, C, D 20 to +40 °C (5 to +104 °F)
• Process temperature and pressure capabilities are dependent upon information on the process device tag. Reference drawing listed on the Tag is available on our website at www.siemens.com/processautomation, on the product page for SITRANS LR260, under Process Connection Specifications. • Signal amplitude increases with horn diameter, so use the largest practical size.
• Installation shall only be performed by qualified personnel and in accordance with local governing regulations. • SITRANS LR260 is to be used only in the manner outlined in this manual, otherwise protection provided by the device may be impaired.
3" horn = 10° Easy Aimer possible. (See 4" horn = 8° on page 14.) Extensions are not recommended for applications where there may be excessive visible vibration. Please consult factory for more information. Page 12 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
Orientation in a vessel with obstructions Polarization reference point polarization For best results on a vessel with axis obstructions, orient the front or back of the device toward the obstructions. polarization reference point display 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 13...
Easy Aimer loosen the Easy Aimer ball locking bolts and gently reposition the enclosure. Direct SITRANS LR260 so the horn antenna is pointed at an angle perpendicular to the material surface, if possible. (As a guide, aim the beam at a point approximately 2/3 of the way across the tank diameter.)
• Some dust particles are highly abrasive and can be drawn into the inside of the horn during purge cleaning, damaging the internal PTFE emitter of the antenna. A replacement kit is available from your local Siemens Milltronics representative. • It is the customer’s responsibility to ensure that any vacuum or pressure in the measured vessel is maintained, considering the hole that passes through the process connection and SITRANS LR260 antenna system.
Hand tighten the adjustable clamp supplied to secure the cap. Use a screwdriver or nut driver to tighten the clamp screw until the clamp provides an air-tight seal. Note: It is critical to ensure no moisture can be trapped inside. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 17...
Unscrew the cover for access to the terminals. Use a screwdriver for added leverage, if necessary. plug cable gland (or NPT cable entry) Depending on the approval rating, glands and plugs may be supplied with your instrument. Page 18 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
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Depending on the system design, the power supply may be separate from the PLC, or integral to it. Loop resistance (total of cable resistance plus 250 Ohm [resistor]) must be less than 550 Ohm for the device to function properly. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 19...
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FM/CSA Intrinsically Safe connection drawing number A A 5E03745229 can be downloaded from the product page of our website at: www.siemens.com/LR260. Go to S S upport > I I nstallation Drawings > Level Measurement > Continuous - Radar. Startup Behavior •...
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9001/01-280-100-10 (Single Channel) Stahl 9002/01-280-110-10 (Dual Channel) How to select a passive barrier for SITRANS LR260 To make sure that the barrier safety description is suitable for the LR260 Intrinsically Safe (IS) input parameters, carry out the following calculations: Re-e max.
2. Non-incendive wiring (US/Canada only) FM/CSA Class 1, Div 2 connection drawing number A5E03745541 can be downloaded from the product page of our website at: www.siemens.com/LR260. Go to Support > I I nstallation Drawings > Level Measurement > Continuous - Radar.
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For applications that use the purge facility, the user shall provide a means to ensure that combustible dust from the hazardous area cannot enter the purge supply in such a way as to compromise the area classification. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 23...
Quick Start via local operation SITRANS LR260 carries out its level measurement tasks according to settings made via parameters. The settings can be modified locally via the Local User Interface (LUI) which consists of an LCD display and a handheld programmer.
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• A deeper band indicates fewer items. Parameter view parameter name parameter number parameter value/ selection Edit view 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 23...
RIGHT arrow opens PROGRAM Opens the top level menu. mode. UP or D D OWN arrow toggles between LCD displays measured value in either linear units or linear units and percent. percent. Page 24 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML1998JE01...
• Do not use the handheld programmer at the same time as SIMATIC PDM or erratic operation may result. • SITRANS LR260 automatically returns to Measurement mode after a period of inactivity in PROGRAM mode (between 15 seconds and 10 minutes, depending on the menu level).
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E E dit mode. The current selection is highlighted. Scroll to a new selection. Press R R IGHT arrow to accept it The LCD returns to parameter view and displays the new selection. Page 26 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML1998JE01...
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Erases the display. editing Decimal Numeric Enters a decimal point. point editing Plus or Numeric Changes the sign of the entered value. minus sign editing Numeric Numeral Enters the corresponding character. editing 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 27...
Use a setting just faster than the maximum filling or emptying rate (whichever is greater). 1.3. Units Select the units for the Quick Start variables (high and low calibration point, and level, distance, or space) M, CM, MM, FT, IN Options Default: M Page 28 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML1998JE01...
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YES, NO, DONE (Display shows D D ONE when Quick Start is successfully Options completed) Press M M ode to return to Measurement mode. SITRANS LR260 is now ready to operate. The point from which High and Low Calibration points are referenced: see Dimensions: on page 11.
76. Auto False Echo Suppression If SITRANS LR260 displays a false high level, or the reading is fluctuating between the correct level and a false high level, you can use the Auto False Echo Suppression 2.2.5. TVT (Auto False Echo Suppression) parameters to prevent false echo detection.
Fill rate = 0.09 m/minute (Low Cal Pt. minus High Cal Pt.) / fastest fill/empty time = (16 m – 0.5 m) / 180 min. = 15.5 m /180 min. = 0.09 m/min. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 31...
Parameter Reference starting on page 45. SIMATIC PDM is a software package used to commission and maintain SITRANS LR260 and other process devices. Please consult the operating instructions or online help for details on using SIMATIC PDM. (You can find more information at www.fielddevices.com: go to P P roducts and Solutions >...
Electronic Device Description (EDD) Note: SITRANS LR260 requires the EDD for SIMATIC PDM version 6.0 with SP3 or higher. You can locate the EDD in Device Catalog, under S S ensors/Level/Echo/Siemens Milltronics/ SITRANS LR260. Check the product page of our website at: www.siemens.com/LR260, under Downloads, to make sure you have the latest version of SIMATIC PDM, the most recent Service Pack (SP) and the most recent hot fix (HF).
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Note: The layout of the dialog boxes shown may vary according to the resolution setting for your computer monitor. Click on N N EXT to accept the default values. (Description, Message, and Installation Date fields can be left blank.) Page 34 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
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Step 2 – Application Type Select the application type and the operation, then click on N N EXT. Step 3 – Range Setup Set the parameters, and click on N N EXT. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 35...
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The message Q Q uick Start was successful will appear. Click on O O K, then click on O O K again to synchronize with the device. Page 36 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
• Clicking on C C ancel during an upload from device to SIMATIC PDM will result in some parameters being updated. Launch SIMATIC PDM, connect to SITRANS LR260, and upload data from the device. Adjust parameter values in the parameter value field then press E E nter. The status fields read C C hanged.
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• You can save a profile or delete a saved profile. • After saving a profile, open menu V V iew – Echo profile. save delete Page 38 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
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• Double click on each axis and record the Xscale and Data Scale values, so that you can restore the default view by resetting to these values. Open the menu V V iew – Trend trend line 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 39...
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• Before adjusting these parameters, rotate the instrument for best signal (lower false-echo amplitude). SITRANS LR260 first learns the echo profile. Then the learned profile, or part of it, is used to Auto False Echo Suppression screen out false echoes. (See on page 94 for a more detailed explanation.)
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Offset+ and O O ffset–. • Alternatively, enter values for P P oint and O O ffset directly into the dialog boxes. • Press T T ransfer to Device. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 41...
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Click on R R ead, to see the effects of your modification. If desired, activate alerts for either or both of M M aintenance Required/Maintenance Demanded. Click on S S nooze to add a year to the Total Expected Device Life. Page 42 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
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The S S elect AnalogOut window displays the current setting: click on O O K. Select the desired option, and click on O O K. The S S elect AnalogOut window displays the new setting: click on O O K. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 43...
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How to Set Device Address The default address for the device is 0 0 . To reset the address via the handheld programmer see 5. 1 .Device Address on page 76. Page 44 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
TVT shaper Maintenance 71 to 73 Toolbar Device Reset Status bar Configuration Flag Reset Select AnalogOut D/A Trim Simulate AO Update HART Communication Visible only after an echo profile has been saved. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 45...
Calibration Point (process empty level). Options Distance to material surface referenced from High SPACE Calibration Point (process full level). Distance to material surface referenced from Sensor DISTANCE Reference Point. Default: DISTANCE Page 46 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
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In order to save the Quick Start settings it is necessary to select Yes and apply changes. YES, NO, DONE Options Display shows D D ONE when Quick Start is successfully completed. • Press M M ode to return to Measurement mode. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 47...
Corresponds to the software or firmware that is embedded in the SITRANS LR260. Read only. 2.1.2. Loader Revision (LOADER REV.) Corresponds to the software used to update the SITRANS LR260. Read only. 2.1.3. Hardware Revision (HARDWARE REV.) Corresponds to the electronics hardware of the SITRANS LR260. Read only.
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When setting the High Calibration Point value, note that echoes are ignored within Near Range (2.2.1.11). Dimensions: The point from which level measurement is referenced. See on page 11. The distance from sensor reference point to the target. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 49...
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Units are defined in Sensor Units. Range: -99 999 to 99 999 Values Default: 0 m The value produced by the echo processing which represents the distance from teh sensor reference point to the target. Page 50 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
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Range: 5 to 95% Values Default: 70% Related 2.2.4.1.2. Echo Position Parameters When SITRANS LR260 is using Rising Edge, higher values will cause lower level readings and lower values will cause higher level readings. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 51...
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Specifies the number of consecutive echoes that must appear below the echo currently selected, before the measurement is accepted as valid. Range: 1 1 to 5 5 0 Values Default: 5 Page 52 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
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For example, to filter out a spike with 500 mm width, enter 6 or 7 (the closest integer product of 500 x 0.013). When a value is keyed in, the nearest acceptable value is entered. Echo Lock on page 93 for more detail. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 53...
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Displays the average ambient noise (in dB above 1 V rms) of a noise profile (view only). Noise level is a combination of transient noise and receiving circuitry. After a measurement, the values from the previous noise shot will be displayed. Page 54 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
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When SITRANS LR260 is located in the center of the vessel, the TVT hover level may be lowered to increase the confidence level of the largest echo.
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Press R R IGHT ARROW to open Edit mode. Enter the new value and press R R IGHT ARROW to accept it. 2.2.5.2. Auto False Echo Suppression 2.2.5.4. Shaper Mode Adjusts the TVT curve at a specified range. Options Page 56 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
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Range: – – 50 to 5 5 0 dB Values Default: 0 0 dB 2.2.6.5. Shaper 37-40 Range: – – 50 to 5 5 0 dB Values Default: 0 0 dB 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 57...
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2.2.7.2. Fill Rate (FILL RATE/MIN) Defines the maximum rate at which the reported sensor value is allowed to increase. Allows you to adjust the SITRANS LR260 response to increases in the actual material level. Fill Rate is automatically updated whenever Response Rate is altered.
Range: 3.6 mA to 22.6 mA 2.3.1.2. mA Output Function (mA OUTPUT FUNC.) Alters the mA output/measurement function and allows the output to be set independently. Manual Level Options Space * Distance 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 59...
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(Operation resets mA Output Function to the same value.) • The mA Output Function controls the primary value and the loop current for the SITRANS LR260. Use caution when changing the mA Output function when connected to a HART network.
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4 mA setpoint can be set less than 0 m, and 20 mA setpoint can be set greater than 30 m when using handheld programmer. Recommended range is 0 to 30 m. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 61...
Defines a user-defined level to report when the Fail-safe timer expires. Range: : 3.6 mA to 22.6 mA Values Default: 22.6 mA Note: This value can be used only if Fail-safe Material Level is set to VALUE. Page 62 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
3.14.2. Maximum Internal Temperature (MAX. INTERN. TEMP.) Read Only. Displays (in degrees C) the maximum temperature recorded by the internal electronics. The high and low values are maintained over a power cycle. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 63...
Click on S S nooze to add a year to the Total Expected Device Life. In device, Maintenance parameters are displayed in years. In SIMATIC PDM, mainte- nance parameter units are user selectable. Page 64 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
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Maintenance Demanded Limits) * OFF a) First set the limit values in M M aintenance Required Limit (3.15.3.)/ Maintenance Demanded Limit (3.15.4.). b) Select the desired M M aintenance Alert Activation option. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 65...
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To acknowledge an alert via the handheld programmer: a) Press R R IGHT arrow twice to open parameter view and activate E E dit Mode. b) Press R R IGHT arrow to acknowledge the alert. Page 66 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
• Via the handheld programmer, manually reset Total Sensor Operating Time to zero. In device, Maintenance parameters are displayed in years. In SIMATIC PDM, mainte- nance parameter units are user selectable. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 67...
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Maintenance Demanded Limits) * OFF a) First set the limit values in M M aintenance Required Limit/M M aintenance Demanded Limit. b) Select the desired M M aintenance Alert Activation option. Page 68 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
To perform a reset to factory defaults via SIMATIC PDM, open the menu D D evice – Device Reset and click on Factory Defaults. 4.2. Manufacture Date (MANUF. DATE) The date of manufacture of the SITRANS LR260 (yy mm dd). 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL...
Read only. The number of power cycles that have occurred since manufacture. Via SIMATIC PDM, open the menu V V iew – Wear. 4.11. Memory Test (MEM. TEST) Allows verification of the RAM, EEPROM, and Flash memory of the SITRANS LR260. IDLE No test in progress.
Via the handheld programmer, manually reset T T ime Last Serviced to zero. In device, Maintenance parameters are displayed in years. In SIMATIC PDM, mainte- nance parameter units are user selectable. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 71...
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Service Interval parameters in SIMATIC PDM. User-configurable recommended time between product inspections Units : hours, days, years Values Range: 0 to 20 years Default: 1 year Units are selectable only via SIMATIC PDM. Page 72 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
After modifying values/units as required, click on W W rite to accept the change, and R R ead to view the effect of the change. In device, Maintenance parameters are displayed in years. In SIMATIC PDM, mainte- nance parameter units are user selectable. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 73...
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If R R emaining Lifetime is equal to or less than this limit, the device sets Maintenance Demanded. Range: 0 to 20 years Values Default: 0.019 years a) Modify limit values as required. b) Set M M aintenance Alert Activation to the desired option. Page 74 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
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To acknowledge an alert via the handheld programmer: a) Press R R IGHT arrow twice to open parameter view and activate E E dit Mode. a) Press R R IGHT arrow to acknowledge the alert. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 75...
E E dit mode. Key in a new value and press R R IGHT arrow to accept it. 5.2. Communication Control Note: SITRANS LR260 can only reset this parameter via the handheld programmer. Enables /disables the read/write access to parameters via remote communications. No changes are permitted via remote Read Only communications.
• After a new value is stored in Unlock Value (6.2), that value will be recalled after a reset to Factory Defaults. • Consult your Siemens Milltronics representative if you have forgotten the unlock value. Stores the value to be entered in 6 6 .1. Lock to unlock programming. If Lock is on,...
FAQs for SITRANS LR260, or contact your local Siemens Milltronics representative. Specifically: If you try to set a SITRANS LR260 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.
• Simulation or substitute value • Communication is good; device is in simulation mode or works with substitute values. • Out of operation • Communication is good; device is out of action. Page 84 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
Siemens repre- sentative. S: 2 Unable to collect profile because of Repair required: contact your local a power condition that is outside of Siemens representative. the operating range of the device. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 85...
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Inspect for heat-related damage and contact your local Sie- mens representative if repair is required. Fault code will persist until a manual reset is performed using PDM or the LCD interface. Page 86 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
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Factory calibration for the device Repair required: contact your local has been lost. Siemens representative. S: 35 Factory calibration for the device Repair required: contact your local has been lost. Siemens representative. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 87...
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EEPROM corrupt. Repair required: contact your local Siemens representative. S: 50 EEPROM corrupt. Repair required: contact your local Siemens representative. S: 51 EEPROM corrupt. Repair required: contact your local Siemens representative. Page 88 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
(minimum value depends on than material level • multiple echoes antenna type) processed • raise SITRANS LR260 2.2.4. 1 . 1 . Algorithm • ensure is set to F F (First echo) Page 90 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
Appendix C: Maintenance SITRANS LR260 requires no maintenance or cleaning under normal operating conditions. Under severe operating conditions, the horn antenna may require periodic cleaning. If cleaning becomes necessary: • Note the antenna material and the process medium, and select a cleaning solution that will not react adversely with either.
Appendix D: Technical Reference Principles of Operation SITRANS LR260 is a 2-wire 25 GHz pulse radar level transmitter for continuous monitoring of solids . Radar level measurement uses the time of flight principle to determine distance to a material surface. The device transmits a signal and waits for the return echo.
• L L ock Off: SITRANS LR260 responds immediately to a new selected echo (within the restrictions set by the Maximum Fill / Empty Rate), but measurement reliability is affected.
Near Range 2.2.1.12. Near Range programs SITRANS LR260 to ignore the zone in front of the antenna. The default blanking distance is 50 mm (1.97") from end of horn antenna. Near Range allows you to increase the blanking value from its factory default. But 2.2.5.2.
20 mA 4 mA When SITRANS LR260 is put into P P ROGRAM mode it stops responding to the process. It stores the most recent measurement, and holds the associated readings and mA signal output. The instrument reverts to the parameter last addressed during the previous program session.
Fail-safe Level When Fail-safe Material level is set to Value, the Fail-safe Level defines a user-defined level to report when the Fail-safe timer expires.. Fail-safe Level Values 3.6 to 22.6 mA 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 97...
. In the event the instrument package is replaced, the Process Device Tag shall be transferred to the replacement unit. • SITRANS LR260 units are hydrostatically tested, meeting or exceeding the requirements of the ASME Boiler and Pressure Vessel Code and the European Pressure Equipment Directive.
Tag showing one of this series, and 25589 stamped on flange. WARNING: Never attempt to loosen, remove or disassemble process connection or instrument housing while vessel contents are under pressure. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 99...
LR260 loop current IL Allowable operating area of SITRANS LR260 Loop Voltage versus Loop Resistance Power Supply Requirements 1000 (30.0v,845 ohms) RL=44.6*VL - 493.4 (17.8v, 300 ohms) ALLOWABLE RL=272.7*VL - 4554.1...
Startup Behavior Notes: • SITRANS LR260 is designed to start reliably with a power supply capable of delivering at least 25 mA. • When connected to a power supply with a current limit of < 25 mA, the LR260 may not start reliably.
High Calibration Pt.= 0.5 m from sensor reference point. Max.fill/empty rate = 0.1 m/ min. level In the event of a loss of echo, SITRANS LR260 is to go into Fail-safe High after 2 minutes. Calibration Point 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL...
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2.4.1. Fail-safe Timer 2 minutes Independent 2.4.2. Fail-safe Material Failsafe level set to parameters Level (FAILSAFE MAT. LE) High Return to Measurement: press Mode to start normal operation. Page 104 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
Device Description for the instrument in question. HART DDs are controlled by the HART Communication Foundation. Please check with the HART Communication Foundation for the availability of the HART EDD for SITRANS LR260. Older versions of the library will have to be updated in order to use all the features of SITRANS LR260.
HART Communicator 375 Menu Structure Note: HART Communicator 375 is supported by SITRANS LR260 HART. The menu structure is aligned with the menu structure of SIMATIC PDM. SITRANS LR260 Identification Description Message Installation Date Device order number Setup Device Firmware Revision...
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Total Expected Sensor Life Service LCD Fast Mode LCD Contrast Service Interval Time Elapsed Since Last Service Remaining Lifetime Maintenance Required Limit Maintenance Demanded Limit Maintenance Alert Activation Service Acknowledge Total Service Interval 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 107...
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Calibration Interval Time Elapsed Since Last Calibration Remaining Lifetime Maintenance Required Limit Maintenance Demanded Limit Maintenance Alert Activation Calibration Acknowledge Total Calibration Interval Communication Communication control Security Lock Unlock value Language Language Page 108 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
(decibel): a unit used to measure the amplitude of signals. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 111...
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1 GHz to 300 GHz. Many conductive liquids/electrolytes exhibit dielectric properties; the relative dielec- tric constant of water is 80. Page 112 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...
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Light speed is a constant 299, 792, 458 meters per second. stillpipe: a pipe that is mounted inside a vessel parallel to the vessel wall, and is open to the vessel at the bottom. 7ML19985KE02 SITRANS LR260 (HART) – INSTRUCTION MANUAL Page 113...
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TVT (time varying threshold): a time-varying curve that determines the threshold level above which echoes are determined to be valid. waveguide antenna: a hollow, metallic tube that transmits a microwave signal to the product target. Page 114 SITRANS LR260 (HART) – INSTRUCTION MANUAL 7ML19985KE02...