Siemens SITRANS LG260 Operating Instructions Manual
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Siemens SITRANS LG260 Operating Instructions Manual

Siemens SITRANS LG260 Operating Instructions Manual

Guided wave radar. four-wire modbus converter version in second chamber rod and cable probe
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Guided Wave Radar
SITRANS LG260
Four-wire Modbus
Converter version in second chamber
Rod and cable probe
Operating Instructions • 09/2017

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  • Page 1 Guided Wave Radar SITRANS LG260 Four-wire Modbus Converter version in second chamber Rod and cable probe Operating Instructions • 09/2017...
  • Page 2 SITRANS LG260 - Operating Instructions PBD-51041059...

  • Page 3: Table Of Contents

    Set up with the quick setup ..................... 46 Saving the parameterisation data ................... 48 Diagnostics and servicing ....................49 Maintenance ........................49 Diagnosis memory ......................49 Status messages ......................50 Rectify faults ........................53 Exchanging the electronics module ................56 PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 4 10.7 Dimensions ........................88 10.8 Trademark ........................92 Safety instructions for Ex areas Take note of the Ex specific safety instructions for Ex applications. These instructions are attached as documents to each instrument with Ex approval and are part of the operating instructions manual. Editing status: 2017-09-14 SITRANS LG260 - Operating Instructions PBD-51041059...

  • Page 5: About This Document

    This arrow indicates a single action. Sequence of actions Numbers set in front indicate successive steps in a procedure. Battery disposal This symbol indicates special information about the disposal of bat- teries and accumulators. PBD-51041059 SITRANS LG260 - Operating Instructions...

  • Page 6: For Your Safety

    During work on and with the device the required personal protective equipment must always be worn. Appropriate use SITRANS LG260 is a sensor for continuous level measurement. You can find detailed information about the area of application in chapter "Product description". Operational reliability is ensured only if the instrument is properly used according to the specifications in the operating instructions manual as well as possible supplementary instructions.

  • Page 7: Eu Conformity

    English language. Installations in the US shall comply with the relevant requirements of the National Electrical Code (ANSI/NFPA 70). Installations in Canada shall comply with the relevant requirements of the Canadian Electrical Code PBD-51041059 SITRANS LG260 - Operating Instructions...

  • Page 8: Product Description

    • The Modbus electronics for power supply and communication with the Modbus-RTU • The sensor electronics for the actual measuring tasks Fig. 2: Position of Modbus and sensor electronics Modbus electronics Sensor electronics SITRANS LG260 - Operating Instructions PBD-51041059...

  • Page 9: Principle Of Operation

    Principle of operation Application area The SITRANS LG260 is a level sensor with cable or rod probe for continuous level measurement, suitable for applications in bulk solids. Functional principle - High frequency microwave pulses are guided along a steel cable or level measurement a rod.

  • Page 10: Accessories And Replacement Parts

    The electronics module SITRANS series LG is a replacement part for TDR sensors of SITRANS series LG. There is a different version avail- able for each type of signal output. You can find further information in the operating instructions manual "Electronics module SITRANS series LG". Electronics module, The electronics module Modbus is a replacement part for TDR sen- Modbus sors of SITRANS series LG. SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 11 Curved segments: 100 x 100 mm (3.94 … 3.94 in) You can find further information in the operating instructions manual "Rod and cable components SITRANS series LG". Centering If you mount the SITRANS LG260 in a bypass tube or standpipe, you have to avoid contact to the bypass tube by using a spacer at the probe end. You can find additional information in the operating instructions manual "Centering".

  • Page 12: Mounting

    Make sure before mounting that all parts of the instrument exposed to conditions the process are suitable for the existing process conditions. These are mainly: • Active measuring component • Process fitting • Process seal Process conditions in particular are: SITRANS LG260 - Operating Instructions PBD-51041059...

  • Page 13: Mounting Instructions

    Mounting instructions Installation position Mount SITRANS LG260 in such a way that the distance to vessel installations or to the vessel wall is at least 300 mm (12 in). In non- metallic vessels, the distance to the vessel wall should be at least 500 mm (19.7 in).
  • Page 14 Use a probe in coax version for applications in liquids. Fig. 4: Mounting in non-metallic vessel Flange Metal sheet Concrete vessel When mounting in thick concrete ceilings, SITRANS LG260 should be mounted front flush to the lower edge. In concrete silos, the dis- tance to the wall should be at least 500 mm (20 in). ø >160 mm (ø >6.3") Fig.
  • Page 15 Fig. 7: Socket must be installed flush Unfavourable mounting 2 Socket flush - optimum mounting Welding work Before beginning the welding work, remove the electronics module from the sensor. By doing this, you avoid damage to the electronics through inductive coupling. Inflowing medium Do not mount the instruments in or above the filling stream. Make sure that you detect the product surface, not the inflowing product. PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 16 If there is a danger of the rod probe touching the vessel wall, fasten the probe at the bottom end. Keep in mind that measurement is not possible below the fastening point. SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 17 Rod extension In case of difficult installation conditions, for example in a socket, the probe can be suitably adapted with a rod extension. To compensate for the resulting changes in signal runtime, let the instrument determine the probe length automatically. You can find further information in the supplementary instructions of the rod and cable components. PBD-51041059 SITRANS LG260 - Operating Instructions...

  • Page 18: Connecting To Power Supply And Bus System

    On plastic housings, the NPT cable gland or the Conduit steel tube must be screwed into the threaded insert without grease. Max. torque for all housings, see chapter "Technical data". SITRANS LG260 - Operating Instructions PBD-51041059...

  • Page 19: Connecting

    1 cm (0.4 in) insulation from the ends of the indi- vidual wires 4. Insert the cable into the sensor through the cable entry Fig. 10: Connection steps 5 and 6 5. Insert the wire ends into the terminals according to the wiring plan PBD-51041059 SITRANS LG260 - Operating Instructions...

  • Page 20: Wiring Plan

    When inserting the terminal block again, you should hear it snap in. Wiring plan Overview Fig. 11: Position of connection compartment (Modbus electronics) and electron- ics compartment (sensor electronics) Terminal compartment Electronics compartment SITRANS LG260 - Operating Instructions PBD-51041059...

  • Page 21: Supplementary Electronics

    USB interface 2 Slide switch for integrated termination resistor (120 Ω) Modbus signal Voltage supply Terminal Function Polarity Voltage supply Voltage supply Modbus signal D0 Modbus signal D1 Function ground when installing ac- cording to CSA (Canadian Standards Association) Supplementary electronics PBD-51041059 SITRANS LG260 - Operating Instructions...

  • Page 22: Switch-On Phase

    Additional current output (II) - Voltage supply and signal output (without HART) Ground terminal for connection of the cable screen Switch-on phase After SITRANS LG260 is connected to the bus system, the instrument carries out a self-test for approx. 30 seconds. The following steps are carried out: •...

  • Page 23: Set Up The Sensor With The Display And Adjustment Module

    The display and adjustment module is powered by the sensor, an ad- ditional connection is not necessary. Fig. 15: Insertion of the display and adjustment module Note: If you intend to retrofit the instrument with a display and adjustment module for continuous measured value indication, a higher lid with an inspection glass is required. PBD-51041059 SITRANS LG260 - Operating Instructions...

  • Page 24: Adjustment System

    5 s, the display returns to the main menu. The menu language is then switched over to "English". Approx. 60 minutes after the last pressing of a key, an automatic reset to measured value indication is triggered. Any values not confirmed with [OK] will not be saved. SITRANS LG260 - Operating Instructions PBD-51041059...

  • Page 25: Parameter Adjustment - Quick Setup

    Switch-on phase After switching on, the SITRANS LG260 carries out a short self-test where the device software is checked. The output signal transmits a fault signal during the switch-on phase. The following information is displayed on the display and adjustment module during the startup procedure: •...
  • Page 26 "->" key you jump to the next position. You can enter names with max. 19 characters. The character set comprises: • Capital letters from A … Z • Numbers from 0 … 9 • Special characters + - / _ blanks SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 27 Setup - Medium, dielec- In this menu item, you can define the type of medium (product). tric constant This menu item is only available if you have selected level measure- ment under the menu item "Application". PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 28 Enter the suitable distance value in m for the empty vessel (e.g. distance from the flange to the probe end) corresponding to the per- centage value. The distance refers tot he sensor reference plane (seal surface of the process fitting). To damp process-dependent measured value fluctuations, set an Setup - Damping integration time of 0 … 999 s in this menu item. SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 29 For the socket correction you have to enter the height of the socket above the upper edge of the vessel. If the socket is lower than the up- per edge of the vessel, this value can also be negative. PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 30 The default setting is output characteristics 4 … 20 mA, fault mode < 3.6 mA. Setup - Current output In the menu item "Current output Min./Max.", you determine the reac- Min./Max. tion of the current output during operation. SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 31 The menu item "Delete" is used to completely delete an already cre- ated false signal suppression. This is useful if the saved false signal suppression no longer matches the metrological conditions in the vessel. PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 32 The following submenu points are available: The submenu points are described below. This menu item enables the setting of the requested national lan- Display - Menu language guage. In delivery status, the sensor is set to English. SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 33 In delivery status, the lighting is switched on. Diagnostics - Device In this menu item, the device status is displayed. status When the instrument displays a failure message, you can here get detailed information on the failure reason. PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 34 This menu item displays the peak values of the electronics tempera- ture as well as the dielectric constant. In another window you can carry out a reset of the two peak values separately. Information: If one of the display values flashes, there is actually no valid value available. SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 35 With this, you can detect signal changes over the operating time. With the adjustment software PACTware and the PC, the high-resolution echo curve can be displayed and used to compare the echo curve of the setup with the actual echo curve. PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 36 Basic settings: Restores the parameter settings, incl. special parameters, to the default values of the respective instrument. Any stored false signal suppression or user-programmed linearisation curve, as well as the measured value memory, are deleted. SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 37 Setup Scaling variable - Level Volume in l Scaling unit - Level Litres Scaling format - Level Without decimal positions Scaling level - 100 % corresponds to Scaling level - 0 % corresponds to PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 38 • Read from sensor: Read data from sensor and save in the display and adjustment module • Write to sensor: Save data from the display and adjustment mod- ule back into the sensor SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 39 Additional settings - Scal- ing level - Scaling format In menu item "Scaling format" you define the scaling format on the display and the scaling of the measured level value for 0 % and 100 %. PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 40 If you select the function "Analogue current output" and also enter an address number, you can output a 4 … 20 mA signal in Multidrop mode. In the mode "Fixed current (4 mA)" a fixed 4 mA signal is output inde- pendently of the actual level. SITRANS LG260 - Operating Instructions PBD-51041059...

  • Page 41: Saving The Parameterisation Data

    The procedure is described in menu item "Copy device settings" in the menu "Additional settings". The data remain there permanently even if the sensor power supply fails. PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 42 If it is necessary to exchange a sensor, the display and adjustment module is inserted into the replacement instrument and the data are likewise written into the sensor via the menu item "Copy device settings". SITRANS LG260 - Operating Instructions PBD-51041059...

  • Page 43: Setting Up Sensor And Modbus Interface With Pactware

    USB cable to the PC Interface adapter Sensor To the Modbus electron- Connection of the PC to the Modbus electronics is carried out via a USB cable. Scope of the parameter adjustment: • Sensor electronics • Modbus electronics PBD-51041059 SITRANS LG260 - Operating Instructions...

  • Page 44: Parameter Adjustment With Pactware

    For parameter adjustment of the sensor via a Windows PC, the configuration software PACTware and a suitable instrument driver (DTM) according to FDT standard are required. The available DTMs are compiled on a DVD. The DTMs can also be integrated into other frame applications according to FDT standard. SITRANS LG260 - Operating Instructions PBD-51041059...

  • Page 45: Set Instrument Address

    DTM from our homepage www.siemens.com/sitranslg. Set instrument address The SITRANS LG260 requires an address for participating as a Slave in the Modbus communication. The addess setting is carried out via a PC with PACTware/DTM or Modbus RTU.

  • Page 46: Set Up With The Quick Setup

    The quick setup is another option for parameter adjustment of the sensor. It allows fast, convenient adjustment of the most important parameters to adapt the sensor quickly to standard applications. To use it, select the function "Quick setup" in the start screen. SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 47 Extended adjustment Maintenance Quick setup With quick setup you can carry out the parameter adjustment of SITRANS LG260 for your application in just a few simple steps. The assistant-driven adjustment includes the basic settings for simple, reliable setup and commissioning. Information: If the function is inactive, then possibly no instrument is connected.

  • Page 48: Saving The Parameterisation Data

    Saving the parameterisation data We recommend documenting or saving the parameterisation data via PACTware. That way the data are available for multiple use or service purposes. SITRANS LG260 - Operating Instructions PBD-51041059...

  • Page 49: Diagnostics And Servicing

    Echo curve of the setup: This is used as reference echo curve for the measurement conditions during setup. Changes in the measure- ment conditions during operation or buildup on the sensor can thus be recognized. The echo curve of the setup is stored via: • PC with PACTware/DTM • Control system with EDD PBD-51041059 SITRANS LG260 - Operating Instructions...

  • Page 50: Status Messages

    This status message is inactive by default. It can be activated by the user via PACTware/DTM or EDD. Maintenance: Due to external influences, the instrument function is limited. The measurement is affected, but the measured value is still valid. Plan in maintenance for the instrument because a failure is expected in the near future (e.g. due to buildup). SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 51 Error in the EEPROM bration • • F261 Error during setup Repeat setup Bit 9 • • False signal suppression faulty Repeat reset Error in the in- • Error when carrying out a reset strument settings PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 52 Reduce level Bit 9 of Byte 14 … 24 • not available 100 % adjustment: Increase Overfilling value • Check mounting socket • Remove possible interfering signals in the close range • Use coaxial probe SITRANS LG260 - Operating Instructions PBD-51041059...

  • Page 53: Rectify Faults

    Error in the reset instrument • False signal suppression settings faulty Rectify faults Reaction when malfunc- The operator of the system is responsible for taking suitable meas- tion occurs ures to rectify faults. PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 54 Wherever the sensor displays a constant value, the reason could also be the fault setting of the current output to "Hold value" • If the level indication is too low, the reason could be a line resist- ance that is too high SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 55 • 0 m distance signals in the close range. The Check installation conditions • sensor goes into overfill protec- If possible, switch off the func- tion mode. The max. level (0 m tion "Overfill protection" time distance) as well as the status message "Overfill protection" are outputted. PBD-51041059 SITRANS LG260 - Operating Instructions...

  • Page 56: Exchanging The Electronics Module

    Internet (see operating instructions manual "Electronics module"). Caution: All application-specific settings must be entered again. That's why you have to carry out a fresh setup after exchanging the electronics. If you saved the parameter settings during the first setup of the sen- sor, you can transfer them to the replacement electronics module. A fresh setup is then not necessary. SITRANS LG260 - Operating Instructions PBD-51041059...

  • Page 57: Exchange Or Shorten Cable/Rod

    4. Screw the new rod and the new cable manually to the thread on the process fitting. 5. Exert counterforce with the second fork spanner and tighten the measuring rod or cable on the flat surfaces with a torque of 20 Nm (15 lbf ft). Fig. 33: Exchange cable or rod Information: Please maintain the specified torque so that the max. tensile strength of the connection remains. PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 58 (see "Setup procedure, Carrying out min. adjustment - Carrying out max. adjustment"). Fig. 34: Shortening the cable probe A Gravity weight - cable ø 4 mm B Gravity weight - cable ø 6 mm Threaded pins Thread M12 for eye-bolt Threaded pins SITRANS LG260 - Operating Instructions PBD-51041059...

  • Page 59: Software Update

    Instruments with approvals can be bound to certain software versions. Therefore make sure that the approval is still effective after a software update is carried out. You can find detailed information in the download area on our home- page: www.siemens.com/sitranslg. How to proceed if a repair is necessary If it is necessary to repair the instrument, please contact Sie- mens Milltronics Process Instruments. You find the locations on "www.siemens.com/sitranslg". PBD-51041059 SITRANS LG260 - Operating Instructions...

  • Page 60: Dismount

    Pass the instrument directly on to a spe- cialised recycling company and do not use the municipal collecting points. These may be used only for privately used products according to the WEEE directive. SITRANS LG260 - Operating Instructions PBD-51041059...

  • Page 61: Supplement

    Ʋ Blind plug, cable gland Second Line of Defense (optional) Ʋ Supporting material 316L Ʋ Glass potting Borosilicate glass GPC 540 Ʋ Contacts Alloy C22 (2.4602) Only with Ex-d version. Only with Ex-d version. PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 62 Ʋ Cable: ø 6 mm (0.236 in) 30 KN (6744 lbf) Ʋ Cable: ø 11 mm (0.433 in) - PA coated 30 KN (6744 lbf) The tensile force of solids are subject of a normal fluctuation range. For this reason, the determined diagram value of the following diagrams must be multiplied with safety factor 2. SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 63 Tensile force in kN (the determined value must be multiplied with safety factor 2) Cable length in m Vessel diameter 12 m (39.37 ft) Vessel diameter 9 m (29.53 ft) Vessel diameter 6 m (19.69 ft) Vessel diameter 3 m (9.843 ft) PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 64 Vessel diameter 6 m (19.69 ft) Vessel diameter 3 m (9.843 ft) Thread in gravity weight, e.g. for eye-bolt M 12 (cable version) Torque for exchangeable cable or rod probe (in the process fitting) Ʋ Cable: ø 4 mm (0.157 in) 8 Nm (5.9 lbf ft) SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 65 Ʋ Reflector metallic, ø 1 m Ʋ Medium Bulk solids - cereals, flour, cement (dielectric con- stant ~2.0) Ʋ Mounting Probe end does not touch the vessel bottom Sensor parameter adjustment No gating out of false signals carried out PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 66 Fig. 39: Measuring ranges - SITRANS LG260 Reference plane Probe length L Measuring range Upper dead band (see following diagrams - grey section) Lower dead band (see following diagrams - grey section) Typical deviation See following diagrams Depending on the mounting conditions, deviations can occur which can be rectified by adapting the adjustment or changing the measured value offset in the DTM service mode. SITRANS LG260 - Operating Instructions...
  • Page 67 0,1 m (3.15 (11.811 ") ") (3.94 ") Fig. 41: Deviation SITRANS LG260 in cable version in water Dead band (no measurement possible in this area) Probe length Repeatability ≤ ±1 mm Variables influencing measurement accuracy Temperature drift - Digital output ±3 mm/10 K relating to the max. measuring range or max.
  • Page 68 -40 … +150 °C (-40 … +302 °F) Ʋ EPDM (A+P 75.5/KW75F) -40 … +150 °C (-40 … +302 °F) Time span after a sudden measuring distance change by max. 0.5 m in liquid applications, max 2 m with bulk solids applications, until the output signal has taken for the first time 90 % of the final value (IEC 61298-2). SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 69 -40°C / -40°F Fig. 42: Ambient temperature - process temperature, standard version Ambient temperature Process temperature (depending on the seal material) Aluminium housing Plastic housing Stainless steel housing, precision casting Stainless steel housing, electropolished PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 70 Display element Display with backlight Measured value indication Ʋ Number of digits Ʋ Size of digits W x H = 7 x 13 mm Adjustment elements Ʋ 4 keys [OK], [->], [+], [ESC] Ʋ Switch Bluetooth On/Off SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 71 IEC 60529 IP 66/IP 67 (NEMA Type 4X) Ʋ Aluminium housing; stainless steel IEC 60529 IP 66/IP 68 (0.2 bar), NEMA Type 6P housing - Precision casting Connection of the feeding power supply unit to networks of overvoltage category PBD-51041059 SITRANS LG260 - Operating Instructions...

  • Page 72: Basics Modbus

    Fig. 44: Bus architecture Modbus Connection resistor Bus participant Voltage supply Protocol description The SITRANS LG260 is suitable for connection to the following RTUs with Modbus RTU or ASCII When used with fulfilled housing protection SITRANS LG260 - Operating Instructions PBD-51041059...

  • Page 73: Modbus Register

    (4 bytes) according to IEEE 754 are transmitted with individually selectable order of the data bytes (byte transmission order). This "Byte transmission order" is determined in the parameter "Format Code". Hence the RTU knows the registers of the SITRANS LG260 which must be contacted for the variables and status information.
  • Page 74 Quarternary Variable in Byte Order of Register 3000 Status 1400 DWord See Register 100 1402 Primary Variable in Byte Order CDAB Status 1412 DWord See Register 100 1414 Secondary Variable in Byte Order CDAB SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 75 Quarternary Variable in Byte Order BACD (Middle Endian) Unit Codes for Register 104, 108, 112, 116 Unit Code Measurement Unit Degree Celsius Degree Fahrenheit US Gallon Liters Imperial Gallons Cubic Meters Feet Meters Barrels Inches Centimeters Millimeters PBD-51041059 SITRANS LG260 - Operating Instructions...

  • Page 76: Modbus Rtu Commands

    Start Address 2 Bytes 0x0000 to 0xFFFF Number of Registers N*2 Bytes 1 to 127 (0x7D) Response: Parameter Length Code/Data Function Code 1 Byte 0x04 Start Address 2 Bytes Register Value N*2 Bytes Data SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 77 With this function code, several holding registers can be writen. Only registers can be written in an enquiry which are immediately consecutive. If there are gaps (registers do not exist) between the registers, then they cannot be written in a telegram. PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 78 1 Byte FC43 Sub 14, Read Device Identification With this function code, the Device Identification can be queried. Request: Parameter Length Code/Data Function Code 1 Byte 0x2B MEI Type 1 Byte 0x0E Read Device ID Code 1 Byte 0x01 to 0x04 Object ID 1 Byte 0x00 to 0xFF SITRANS LG260 - Operating Instructions PBD-51041059...

  • Page 79: Levelmaster Commands

    List of Object value 1 Byte Depending on the Object ID 10.5 Levelmaster commands The SITRANS LG260 is also suitable for connection to the following RTUs with Levelmaster proto- col. The Levelmaster protocol is often called "Siemens" "Tank protocol". Protocol ABB Totalflow...
  • Page 80 Code/Data Report Unit Number 5 characters ASCII U**N? Response: Parameter Length Code/Data Report Level (and Temperature) 6 characters ASCII UuuNnn Assign Unit Number Request: Parameter Length Code/Data Assign Unit Number 6 characters ASCII UuuNnn SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 81 Change instrument on address 1 to baudrate 9600, parity even, 7 data bits, 1 stop bit Set Receive to Transmit Delay Request: Parameter Length Code/Data Set Receive to Transmit 7 characters ASCII UuuRmmm Delay mmm = milliseconds (50 up to 250), default = 127 ms PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 82 = milliseconds (50 up to 250), default = 127 ms Error codes Error Code Name EE-Error Error While Storing Data in EEPROM FR-Error Erorr in Frame (too short, too long, wrong data) LV-Error Value out of limits SITRANS LG260 - Operating Instructions PBD-51041059...

  • Page 83: Configuration Of Typical Modbus Hosts

    10.6 Configuration of typical Modbus hosts Fisher ROC 809 Wiring plan (Rx/Tx -) (Rx/Tx +) +30 Vdc Fig. 45: Connection of SITRANS LG260 to RTU Fisher ROC 809 SITRANS LG260 RTU Fisher ROC 809 Voltage supply Parameter Parameter Value Baud Rate 9600 Floating Point Format Code...
  • Page 84 ABB Total Flow Wiring plan Bus + Bus - VBAT Fig. 46: Connection of SITRANS LG260 to RTU ABB Total Flow SITRANS LG260 RTU ABB Total Flow Parameter Parameter Value Baud Rate 9600 Floating Point Format Code RTU Data Type...
  • Page 85 Thermo Electron Autopilot Wiring plan Rx - +30 Vdc Fig. 47: Connection of SITRANS LG260 to RTU Thermo Electron Autopilot SITRANS LG260 RTU Thermo Electron Autopilot Voltage supply Parameter Parameter Value Baud Rate 9600 Floating Point Format Code RTU Data Type...
  • Page 86 3 TX- 4 GND 5 RXT 6 TXT 7 not used 8 not used +30 Vdc Fig. 48: Connection of SITRANS LG260 to RTU Bristol ControlWave Micro SITRANS LG260 RTU Bristol ControlWave Micro Voltage supply Parameter Parameter Value Baud Rate...
  • Page 87 ScadaPack Wiring plan COM Part 3 (C3) RS485 TXD- TXD+ +30 Vdc Fig. 49: Connection of SITRANS LG260 to RTU ScadaPack SITRANS LG260 RTU ScadaPack Voltage supply Parameter Parameter Value Baud Rate 9600 Floating Point Format Code RTU Data Type...

  • Page 88: Dimensions

    10.7 Dimensions Housing ~ 81 mm (3.19") ø 77 mm (3.03") M16x1,5 M20x1,5/ ½ NPT Fig. 50: Dimensions of housing - with integrated display and adjustment module the housing is 9 mm/0.35 inches higher SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 89 (0.16") ø 20 mm (0.79") Fig. 51: SITRANS LG260, cable ø 4 mm (0.157 in)/ø 6 mm (0.236 in) threaded version with gravity weight (all grav- ity weights with thread M12 for eye-bolt) Sensor length, see chapter "Technical data" Cable ø 4 mm (0.157 in) Cable ø...
  • Page 90 (0.43") ø 30 mm (1.18") Fig. 52: SITRANS LG260, cable ø 6 mm (0.236 in)/ø 11 mm (0.433 in) threaded version with gravity weight (all gravity weights with thread M12 for eye-bolt) Sensor length, see chapter "Technical data" Cable ø 6 mm (0.236 in) Cable ø...
  • Page 91 SITRANS LG260, rod version ø 16 mm (0.63 in) SW 55 mm (2.17") G1½ ø 16 mm (0.63") Fig. 53: SITRANS LG260, rod ø 16 mm (0.63 in), threaded version Sensor length, see chapter "Technical data" Joint - rod PBD-51041059 SITRANS LG260 - Operating Instructions...

  • Page 92: Trademark

    10.8 Trademark All the brands as well as trade and company names used are property of their lawful proprietor/ originator. SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 93 – Rod components 11 Event memory 49 – Spacer 11 Reset 36 Factory calibration date 41 False signal suppression 31 Scaling measured value 39 Fault rectification 54 Sensor characteristics 41 Functional principle 9 Sensor status 33 PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 94 Simulation 35 Special parameters 41 Type label 8 Type of medium 27 Units 27 SITRANS LG260 - Operating Instructions PBD-51041059...
  • Page 95 Notes PBD-51041059 SITRANS LG260 - Operating Instructions...
  • Page 96 For more information www.siemens.com/level www.siemens.com/weighing Siemens Canada Limited Subject to change without prior notice PD PA PI LW PBD-51041059 Rev. 5.0 1954 Technology Drive P.O. Box 4225 © Siemens AG 2017 Peterborough, ON K9J 7B1, Canada email: techpubs.smpi@siemens.com Printed in Canada www.siemens.com/processautomation...

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