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PBD-51041059

SITRANS LG260 - Operating Instructions

44284-EN-171021

The following table shows the resulting deviation for some typical gases and vapours. The specified 

values refer to the distance. Positive values mean that the measured distance is too large, negative 

values that the measured distance is too small.

Gas phase

Temperature

Pressure

1 bar (14.5 psig)

10 bar (145 psig)

50 bar (725 psig)

Air

20 °C (68 °F)

0 %

0.22 %

1.2 %

200 °C (392 °F)

-0.01 %

0.13 %

0.74 %

400 °C (752 °F)

-0.02 %

0.08 %

0.52 %

Hydrogen

20 °C (68 °F)

-0.01 %

0.1 %

0.61 %

200 °C (392 °F)

-0.02 %

0.05 %

0.37 %

400 °C (752 °F)

-0.02 %

0.03 %

0.25 %

Steam (saturated 

steam)

100 °C (212 °F)

0.26 %

-

-

180 °C (356 °F)

0.17 %

2.1 %

-

264 °C (507 °F)

0.12 %

1.44 %

9.2 %

366 °C (691 °F)

0.07 %

1.01 %

5.7 %

Characteristics and performance data

Measuring cycle time

< 500 ms

Step response time

4)

≤ 3 s

Max. filling/emptying speed

1 m/min
Products with high dielectric constant (>10) up to 5 m/

min.

Ambient conditions

Ambient, storage and transport tempera-

ture

-40 … +80 °C (-40 … +176 °F)

Process conditions
For the process conditions, please also note the specifications on the type label. The lowest value 

always applies.

The measurement error through the process conditions in the specified pressure and temperature 

range is < 1 %.
Process pressure

-1 … +40 bar/-100 … +4000 kPa (-14.5 … +580 psig), 

depending on the process fitting

Vessel pressure relating to the flange 

nominal pressure stage

see supplementary instructions manual "Flanges ac-

cording to DIN-EN-ASME-JIS"

Process temperature - Cable versions 

with PA coating

-40 … +80 °C (-40 … +176 °F)

Process temperature (thread or flange temperature) with process seals

 

Ʋ

FKM (SHS FPM 70C3 GLT)

-40 … +150 °C (-40 … +302 °F)

 

Ʋ

EPDM (A+P 75.5/KW75F)

-40 … +150 °C (-40 … +302 °F)

4)

  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).

Summary of Contents for SITRANS LG260

Page 1: ...Operating Instructions 09 2017 Guided Wave Radar SITRANS LG260 Four wire Modbus Converter version in second chamber Rod and cable probe ...

Page 2: ...2 PBD 51041059 SITRANS LG260 Operating Instructions 44284 EN 171021 ...

Page 3: ...nnecting to power supply and bus system 18 5 1 Preparing the connection 18 5 2 Connecting 19 5 3 Wiring plan 20 5 4 Supplementary electronics 21 5 5 Switch on phase 22 6 Set up the sensor with the display and adjustment module 23 6 1 Adjustment volume 23 6 2 Insert display and adjustment module 23 6 3 Adjustment system 24 6 4 Parameter adjustment Quick setup 25 6 5 Parameter adjustment Extended ad...

Page 4: ...nical data 61 10 2 Basics Modbus 72 10 3 Modbus register 73 10 4 Modbus RTU commands 76 10 5 Levelmaster commands 79 10 6 Configuration of typical Modbus hosts 83 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 t...

Page 5: ...ailable to the qualified personnel and implemented 1 3 Symbols used Information tip note This symbol indicates helpful additional information Caution If this warning is ignored faults or malfunctions can result Warning If this warning is ignored injury to persons and or serious damage to the instrument can result Danger If this warning is ignored serious injury to persons and or destruction of the...

Page 6: ... with all prevailing regulations and directives The instrument must only be operated in a technically flawless and reliable condition The operator is responsi ble for the trouble free operation of the instrument When measuring aggressive or corrosive media that can cause a dangerous situation if the instrument malfunctions the operator has to implement suitable measures to make sure the instrument...

Page 7: ...tions NAMUR is the automation technology user association in the process industry in Germany The published NAMUR recommendations are accepted as the standard in field instrumentation The device fulfils the requirements of the following NAMUR recom mendations NE 21 Electromagnetic compatibility of equipment NE 43 Signal level for fault information from measuring transduc ers NE 53 Compatibility of ...

Page 8: ...utput electronics 6 Voltage supply 7 Protection rating 8 Order number 9 Identification code 10 Serial number of the instrument 11 Symbol of the device protection class 12 Reminder to observe the instrument documentation 13 ID numbers instrument documentation The instrument contains two different electronics in its housing cham bers The Modbus electronics for power supply and communication with the...

Page 9: ...ons in bulk solids High frequency microwave pulses are guided along a steel cable or a rod Upon reaching the product surface the microwave pulses are reflected The running time is evaluated by the instrument and output ted as level 3 3 Packaging transport and storage Your instrument was protected by packaging during transport Its capacity to handle normal loads during transport is assured by a tes...

Page 10: ...he LG Remote Interface is an external display and adjustment unit for sensors with single chamber housing and Ex d double chamber housing It is suitable for measured value indication and adjustment of sensors and is connected to the sensor with a four wire standard cable up to 50 m 164 ft long You can find additional information in the operating instructions manual LG Remote Interface Screwed flan...

Page 11: ...total length of 6 m 19 7 ft The extensions are available in the following lengths Rod ø 16 mm 0 63 in Basic segments 20 5900 mm 0 79 232 in Rod cable segments 20 5900 mm 0 79 232 in 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 If you mount the SITRANS LG260 in a bypass tube or standpipe yo...

Page 12: ...essary Make sure that the degree of contamination specified in chapter Technical data meets the existing ambient conditions Metric threads In the case of instrument housings with metric thread the cable glands are screwed in at the factory They are sealed with plastic plugs as transport protection You have to remove these plugs before electrical connection NPT thread In the case of instrument hous...

Page 13: ... advantageous to mount the sensor in the center of the vessel as measurement is then possible nearly down to the lowest point of the bottom Keep in mind that measurement all the way down to the tip of the probe may not be pos sible The exact value of the min distance lower dead band is stated in chapter Technical data of the operating instructions Fig 3 Vessel with conical bottom Plastic vessel Gl...

Page 14: ...n liquids 1 2 Fig 4 Mounting in non metallic vessel 1 Flange 2 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 5 Mounting in concrete silo ...

Page 15: ...unting You can find further information under Setup procedure h d d h DN25 DN150 DN150 DN200 150 mm 5 91 100 mm 3 94 Fig 6 Mounting socket When welding the socket make sure that the socket is flush with the vessel top 1 2 Fig 7 Socket must be installed flush 1 Unfavourable mounting 2 Socket flush optimum mounting Before beginning the welding work remove the electronics module from the sensor By do...

Page 16: ...ssure in the vessel Before use check if the seal material is resistant against the measured product and the process temperature The max permissible pressure is specified in chapter Technical data or on the type label of the sensor If there is a risk of the cable probe touching the vessel wall during operation due to product movements or agitators etc the measuring probe should be securely fixed Th...

Page 17: ...ual probe length when using curved or angled segments If internal installations such as struts ladders etc are present on the vessel wall the measuring probe should be mounted at least 300 mm 11 81 in away from the vessel wall You can find further information in the supplementary instructions of the rod extension In case of difficult installation conditions for example in a socket the probe can be...

Page 18: ... housing and cable gland Use a cable gland suitable for the cable diameter to ensure the seal effect of the cable gland IP protection rating Make sure that the entire installation is carried out according to the Fieldbus specification In particular make sure that the bus is termi nated with suitable terminating resistors Metric threads In the case of instrument housings with metric thread the cabl...

Page 19: ... terminals in the housing Connection to the display and adjustment module or to the interface adapter is carried out via contact pins in the housing Information The terminal block is pluggable and can be removed from the electronics To do this lift the terminal block with a small screwdriver and pull it out When reinserting the terminal block you should hear it snap in Proceed as follows 1 Unscrew...

Page 20: ... via low voltage 8 Connect the lead cable for power supply in the same way accord ing to the wiring plan in addition connect the ground conductor to the inner ground terminal when powered with mains voltage 9 Tighten the compression nut of the cable glands The seal ring must completely encircle the cables 10 Screw the housing lid back on The electrical connection is finished Information The termin...

Page 21: ...stment unit is not pos sible with this double chamber housing power supply MODBUS D0 D1 IS GND USB 1 2 4 3 1 3 4 5 2 off on Fig 13 Terminal compartment 1 USB interface 2 Slide switch for integrated termination resistor 120 Ω 3 Modbus signal 4 Voltage supply Terminal Function Polarity 1 Voltage supply 2 Voltage supply 3 Modbus signal D0 4 Modbus signal D1 5 Function ground when installing ac cordin...

Page 22: ...ional current output II Voltage supply and signal output without HART 3 Ground terminal for connection of the cable screen 5 5 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 Internal check of the electronics Indication of a status message e g F 105 Determine measured value on the di...

Page 23: ...r and removed again at any time You can choose any one of four differ ent positions each displaced by 90 It is not necessary to interrupt the power supply Proceed as follows 1 Unscrew the housing lid 2 Place the display and adjustment module on the electronics in the desired position and turn it to the right until it snaps in 3 Screw housing lid with inspection window tightly back on Disassembly i...

Page 24: ... module The individual menu items are shown on the LC display You can find the function of the individual keys in the previous illustration When the and keys are pressed quickly the edited value or the cursor changes one value or position at a time If the key is pressed longer than 1 s the value or position changes continuously When the OK and ESC keys are pressed simultaneously for more than 5 s ...

Page 25: ...are displayed In the third view the selected measured value as well as a second selectable value e g the temperature are displayed 6 4 Parameter adjustment Quick setup To quickly and easily adapt the sensor to the application select the menu item Quick setup in the start graphic on the display and adjustment module The following steps for the quick setup can be reached also in the Extended adjustm...

Page 26: ...sion date of manu facture instrument features Note For optimum adjustment of the measuring point the individual sub menu items in the main menu item Setup should be selected one after the other and provided with the correct parameters If possible go through the items in the given sequence The procedure is described below The following submenu points are available The submenu points are described b...

Page 27: ...s menu item you can select the application You can choose between metallic or non metallic vessels Note The selection of the application has a considerable influence on all other menu items Keep in mind that as you continue with the param eter adjustment individual menu items are only optionally available You have the option of choosing the demonstration mode This mode is only suitable for test an...

Page 28: ...for the full vessel The distance refers to the sensor reference plane seal surface of the process fitting Keep in mind that the max level must lie below the dead band In this menu item you can enter the min adjustment for the level Adjust the requested percentage value with and store with OK Enter the suitable distance value in m for the empty vessel e g distance from the flange to the probe end c...

Page 29: ...d correctly If the volume should not be displayed in percent but e g in l or kg a scaling can be also set in the menu item Display Warning If a linearisation curve is selected the measuring signal is no longer necessarily linear to the filling height This must be considered by the user especially when setting the switching point on the limit signal transmitter In the following you have to enter th...

Page 30: ...socket correction value In the menu item Current output mode you determine the output characteristics and reaction of the current output in case of fault The default setting is output characteristics 4 20 mA fault mode 3 6 mA In the menu item Current output Min Max you determine the reac tion of the current output during operation Setup Current output mode Setup Current output Min Max ...

Page 31: ...fering signals in this section are detected by the sensor and stored Keep in mind that with covered probe only false signals in the uncov ered area of the probe are detected Note Check the distance to the product surface because if an incorrect too large value is entered the existing level will be saved as a false signal The level would then no longer be detectable in this area If a false signal s...

Page 32: ...ronics with an additional current output is in stalled in the instrument you can adjust the additional current output separately In menu item Current output 2 you specify which measured value the additional current output refers to The procedure corresponds to the previous settings of the standard current output See Setup Current output In the main menu point Display the individual submenu points ...

Page 33: ...s menu item you define the display format of the measured value on the display You can define different display formats for the two measured values You can thus define the number of decimal positions the measured value is displayed with The default setting for the display format is Automatic The integrated background lighting can be switched off via the adjustment menu The function depends on the ...

Page 34: ...ment certainty of the level measure ment is displayed in mV The higher the value the more reliable the measurement In another window you can reset the peak value The respective min and max measured values are saved in the sensor The values are displayed in the menu item Peak values Ad ditional This menu item displays the peak values of the electronics tempera ture as well as the dielectric constan...

Page 35: ...ystem Select the requested simulation variable and set the requested value Caution During simulation the simulated value is outputted as 4 20 mA cur rent value and digital HART signal Push the ESC key to deactivate the simulation Information The simulation is terminated automatically 60 minutes after the activa tion of the simulation With the menu item Setup the echo curve it is possible to save a...

Page 36: ...he sensor is set After a reset certain parameter adjustments made by the user are reset Note After this menu window the reset process is carried out No further safety inquiry follows The following reset functions are available Delivery status Restores the parameter settings at the time of ship ment from the factory incl order specific settings Any stored false signal suppression or user programmed...

Page 37: ... set ting Type of medium Bulk solid Application Level in the metallic vessel Medium dielectric constant Cereals flour sand 3 Superimposed gas phase Yes Setup Max adjustment Level 100 Max adjustment Level Distance 0 000 m d note block ing distances Min adjustment Level 0 Min adjustment Level Distance Probe length take dead band into account Setup Integration time Level 0 0 s Linearisation type Line...

Page 38: ...riable TV Measurement certainty level Fourth HART variable QV Electronics temperature Menu Display Menu Menu item Default value Display Language Selected language Displayed value 1 Filling height Level Displayed value 2 Electronics temperature Display format 1 Automatically Display format 2 Automatically Backlight Switched on Menu Additional adjustments Menu Menu item Default value Additional adju...

Page 39: ...he data do not fit a fault signal is triggered or the function is blocked When data are being written into the sensor the display shows which instrument type the data originate from and which TAG no this sensor had Tip We recommend to save the instrument adjustments In case of an electronics exchange the saved parameter adjustment data relieve this process Since scaling is very extensive scaling o...

Page 40: ...T modes Analogue current output and Fix current 4 mA In this menu item you determine the HART mode and enter the address with Multidrop mode In the mode Fixed current output up to 63 sensors can be operated on one two wire cable Multidrop operation An address between 0 and 63 must be assigned to each sensor If you select the function Analogue current output and also enter an address number you can...

Page 41: ... and adjustment module or via the PC In this menu item the features of the sensor such as approval pro cess fitting seal measuring range electronics housing and others are displayed Example for displayed sensor features 6 6 Saving the parameterisation data We recommended writing down the adjustment data e g in this op erating instructions manual and archiving them afterwards They are thus availabl...

Page 42: ...perature unit and linearisa tion in the menu Additional settings The values of the user programmable linearisation curve The function can also be used to transfer settings from one instru ment to another instrument of the same type 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 ...

Page 43: ...a the interface adapter Scope of the parameter adjustment Sensor electronics 3 1 2 Fig 18 Connection of the PC directly to the sensor via the interface adapter 1 USB cable to the PC 2 Interface adapter 3 Sensor Connection of the PC to the Modbus electronics is carried out via a USB cable Scope of the parameter adjustment Sensor electronics Modbus electronics To the sensor electronics To the Modbus...

Page 44: ...ry to disconnect from the RTU RS485 USB 1 2 3 4 5 Fig 20 Connection of the PC via the interface adapter to the RS 485 cable 1 Interface adapter RS 485 USB 2 USB cable to the PC 3 RS 485 cable 4 Sensor 5 Voltage supply 7 2 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 F...

Page 45: ...guration simplifying the adjustment considerably You can save and print your project documentation as well as import and export projects You can also save measured value and echo curves in the DTM Furthermore a tank calculation program as well as a multiviewer for indication and analysis of the saved measured value and echo curves are available The supplied DVD includes the respective device DTM H...

Page 46: ...elect with the right mouse key Additional functions and Instrument search The DTM then searches for the connected Modbus partici pants and integrates them into the project tree Now in the project tree go to the symbol for the Modbus gateway Select with the right mouse key Parameter then Online parameter setting and start the DTM for the Modbus electronics In the menu bar of the DTM go to the list ...

Page 47: ...nt is connected Check the connection to the instrument Extended adjustment With the extended adjustment you carry out the parameter adjust ment for the instrument via the clear menu structure in the DTM Device Type Manager This enables additional and special settings over and above those offered by quick setup Maintenance Under the menu item Maintenance you get comprehensive and important support ...

Page 48: ... LG260 Operating Instructions 44284 EN 171021 7 5 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 ...

Page 49: ...spective measured values The requested values and recording conditions are set via a PC with PACTware DTM or the control system with EDD Data are thus read out and also reset Up to 500 events are automatically stored with a time stamp in the sensor non deletable Each entry contains date time event type event description and value Event types are for example Modification of a parameter Switch on an...

Page 50: ...ctographs of the status messages 1 Failure red 2 Out of specification yellow 3 Function check orange 4 Maintenance blue Failure Due to a malfunction in the instrument a fault message is outputted This status message is always active It cannot be deactivated by the user Function check The instrument is being worked on the measured value is temporarily invalid for example during simulation This stat...

Page 51: ...lectronics Send instrument for repair Bit 3 F040 Error in the elec tronics Hardware defect Exchanging the electronics Send instrument for repair Bit 4 F041 Probe loss Cable probe broken or rod probe defective Check probe and exchange if necessary Bit 13 F080 General software error General software error Briefly separate operating voltage Bit 5 F105 Measured value is determined The instrument is st...

Page 52: ...t messages in the status message Function check and provides information on causes as well as corrective measures Code Text mes sage Cause Rectification DevSpec State in CMD 48 C700 Simulation ac tive A simulation is active Finish simulation Wait for the automatic end after 60 mins Simulation Active in Stand ardized Status 0 The following table shows the error codes and text messages in the status...

Page 53: ... 24 M501 Error in the non active linearisation table Index markers are not con tinuously rising for example illogical value pairs Check linearisation table Delete table Create new Bit 1 of Byte 14 24 M504 Error at a de vice interface Hardware defect Exchanging the electronics Send instrument for repair Bit 4 of Byte 14 24 M505 no measured value avail able Sensor does not detect an echo during oper...

Page 54: ...r Connection steps and if necessary correct according to chapter Wiring plan Voltage supply missing Check cables for breaks repair if necessary Operating voltage too low or load resistance too high Check adapt if necessary Current signal greater than 22 mA or less than 3 6 mA Electronics module in the sensor defective Exchange the instrument or send it in for repair The below tables show typical e...

Page 55: ...or pattern Cause Rectification 3 Measured value re mains in the area of the bottom during filling Level time 0 Echo from the probe end larger than the product echo for exam ple with products with εr 2 5 oil based solvents etc Check parameter Medium and Vessel height adapt if necessary 4 Measured value re mains momentarily unchanged during fill ing and then jumps to the correct level Level time 0 T...

Page 56: ...e is defective it can be replaced by the user In Ex applications only instruments and electronics modules with ap propriate Ex approval may be used If there is no electronics module available on site the electronics module can be ordered through the agency serving you The electron ics modules are adapted to the respective sensor and differ in signal output or voltage supply The new electronics mod...

Page 57: ... SW 13 2 Unscrew the loosened rod or cable manually 3 Place the enclosed new double washer onto the thread Caution Make sure that the two components of the double washer remain together 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 ...

Page 58: ... off wheel or metal saw at the marking Take note of the specifications in the following illustration when shortening the cable 6 Cable shift the cable into the gravity weight according to the drawing Plastic coated cable remove coating according drawing to 70 mm 2 76 in 7 Cable Fasten the cable with three pins torque 20 Nm 14 75 lbf in Cable ø 4 7 Nm 5 16 lbf ft Cable ø 6 cable ø 8 20 Nm 14 75 lbf...

Page 59: ...w siemens com sitranslg You can find information about the installation in the download file Caution 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 8 8 How to proceed if a repair is ne...

Page 60: ...ompanies We use recyclable materials and have designed the electronics to be easily separable Correct disposal avoids negative effects on humans and the environ ment and ensures recycling of useful raw materials Materials see chapter Technical data If you have no way to dispose of the old instrument properly please contact us concerning return and disposal WEEE directive 2012 19 EU This instrument...

Page 61: ...Ʋ Cable ø 11 mm 0 433 in PA coated Steel galvanized PA coated Ʋ Ʋ Gravity weight optionally available 316L Materials non wetted parts Ʋ Ʋ Plastic housing Plastic PBT Polyester Ʋ Ʋ Aluminium die cast housing Aluminium die casting AlSi10Mg powder coated basis Polyester Ʋ Ʋ Stainless steel housing precision casting 316L Ʋ Ʋ Stainless steel housing electropol ished 316L Ʋ Ʋ Second Line of Defense opti...

Page 62: ...r cable ø 4 mm 0 157 in and cable ø 6 mm 0 236 in PA coated 325 g 11 46 oz Ʋ Ʋ Gravity weight for cable ø 6 mm 0 236 in and cable ø 11 mm 0 433 in PA coated 780 g 27 51 oz Probe length L from seal surface Ʋ Ʋ Rod ø 16 mm 0 63 in up to 6 m 19 69 ft Ʋ Ʋ Trimming accuracy rod 1 mm 0 05 of the rod length Ʋ Ʋ Cable ø 4 mm 0 157 in up to 75 m 246 1 ft Ʋ Ʋ Cable ø 6 mm 0 236 in PA coated up to 65 m 213 3...

Page 63: ...ength in m 3 Vessel diameter 12 m 39 37 ft 4 Vessel diameter 9 m 29 53 ft 5 Vessel diameter 6 m 19 69 ft 6 Vessel diameter 3 m 9 843 ft 1 2 C D 1 2 3 4 5 6 3 4 5 6 20 18 16 14 12 10 8 6 4 2 20 18 16 14 12 10 8 6 4 2 0 0 0 5 10 15 20 25 30 35 0 5 10 15 20 25 30 35 Fig 36 Max tensile load with sand and cement Cable ø 4 mm 0 157 in C Sand D Cement 1 Tensile force in kN the determined value must be mu...

Page 64: ... 53 ft 5 Vessel diameter 6 m 19 69 ft 6 Vessel diameter 3 m 9 843 ft 1 2 C D 3 4 5 6 2 3 4 5 6 1 30 25 20 15 10 5 00 5 10 15 20 25 30 35 30 25 20 15 10 5 00 5 10 15 20 25 30 35 Fig 38 Max tensile load with sand and cement Cable ø 6 mm ø 11 mm PA coated C Sand D Cement 1 Tensile force in kN the determined value must be multiplied with safety factor 2 2 Cable length in m 3 Vessel diameter 12 m 39 37...

Page 65: ...5 Ʋ Ʋ Bus specifications Modbus Application Protocol V1 1b3 Modbus over se rial line V1 02 Ʋ Ʋ Data protocols Modbus RTU Modbus ASCII Levelmaster Max transmission rate 57 6 Kbit s Accuracy according to DIN EN 60770 1 Process reference conditions according to DIN EN 61298 1 Ʋ Ʋ Temperature 18 30 C 64 86 F Ʋ Ʋ Relative humidity 45 75 Ʋ Ʋ Air pressure 860 1060 mbar 86 106 kPa 12 5 15 4 psig Mounting ...

Page 66: ...be length L 3 Measuring range 4 Upper dead band see following diagrams grey section 5 Lower dead band see following diagrams grey section Typical deviation3 See following diagrams 3 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 ...

Page 67: ...S LG260 in cable version in water 1 Dead band no measurement possible in this area L 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 10 mm 0 394 in Additional deviation through electromag netic interference acc to EN 61326 10 mm 0 394 in Influence of the superimposed gas and pressure on...

Page 68: ...h dielectric constant 10 up to 5 m min Ambient conditions Ambient storage and transport tempera ture 40 80 C 40 176 F Process conditions For the process conditions please also note the specifications on the type label The lowest value always applies The measurement error through the process conditions in the specified pressure and temperature range is 1 Process pressure 1 40 bar 100 4000 kPa 14 5 ...

Page 69: ...C 176 F 45 C 113 F 30 C 86 F 40 C 104 F 60 C 140 F 150 C 302 F 100 C 212 F 50 C 122 F 80 C 176 F 40 C 40 F Fig 42 Ambient temperature process temperature standard version A Ambient temperature B Process temperature depending on the seal material 1 Aluminium housing 2 Plastic housing 3 Stainless steel housing precision casting 4 Stainless steel housing electropolished ...

Page 70: ...olished Vibration resistance Ʋ Ʋ Rod probe 1 g with 5 200 Hz according EN 60068 2 6 vibration at resonance with rod length 50 cm 19 69 in Shock resistance Ʋ Ʋ Rod probe 25 g 6 ms according to EN 60068 2 27 mechanical shock with rod length 50 cm 19 69 in Electromechanical data version IP 66 IP 67 Cable gland M20 x 1 5 or NPT Wire cross section spring loaded terminals Ʋ Ʋ Massive wire stranded wire ...

Page 71: ...l depending on the electron ics version Range 40 85 C 40 185 F Resolution 0 1 K Accuracy 3 K Voltage supply Operating voltage 8 30 V DC Power consumption 500 mW Reverse voltage protection Integrated Potential connections and electrical separating measures in the instrument Electronics Not non floating Ground terminal Galvanically connected with the metal process fitting Galvanic separation between...

Page 72: ... RTU and ASCII mode inter esting here data will be transmitted in binary form The telegram consists generally of the address the function the data as well as the transmission check Bus architecture In the version Modbus RTU up to 32 participants can be connected to the bus The length of the twisted two wire cable can be up to 1200 m The bus must be terminated on both sides at the last bus particip...

Page 73: ...ral configuration of the host The data exchange with status and variables between field device and host is carried out via register For this a configuration in the host is required Floating point numbers with short prevision 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 pa...

Page 74: ...rd Bit 0 Invalid Measurement Value PV Bit 1 Invalid Measurement Value SV Bit 2 Invalid Measurement Value TV Bit 3 Invalid Measurement Value QV PV Unit 104 DWord Unit Code PV 106 Primary Variable in Byte Order CDAB SV Unit 108 DWord Unit Code SV 110 Secondary Variable in Byte Order CDAB TV Unit 112 DWord Unit Code TV 114 Third Variable in Byte Order CDAB QV Unit 116 DWord Unit Code QV 118 Quarterna...

Page 75: ... 2102 DWord Primary Variable in Byte Order DCBA Little Endian SV 2104 DWord Secondary Variable in Byte Order DCBA Little Endian TV 2106 DWord Third Variable in Byte Order ABCD DCBA Little Endian QV 2108 DWord Quarternary Variable in Byte Order DCBA Little Endian Status 2200 DWord See Register 100 PV 2202 DWord Primary Variable in Byte Order BACD Middle Endian SV 2204 DWord Secondary Variable in By...

Page 76: ...s 2 Bytes 0x0000 to 0xFFFF Number of Registers 2 Bytes 1 to 127 0x7D Response Parameter Length Code Data Function Code 1 Byte 0x03 Start Address 2 Bytes 2 N Register Value N 2 Bytes Data FC4 Read Input Register With this command any number 1 127 of input registers can be read out The start register from which the readout should start and the number of registers are transmitted Request Parameter Le...

Page 77: ...ggered or diagnostic values read out Request Parameter Length Code Data Function Code 1 Byte 0x08 Sub Function Code 2 Bytes Data N 2 Bytes Data Response Parameter Length Code Data Function Code 1 Byte 0x08 Sub Function Code 2 Bytes Data N 2 Bytes Data Implemented function codes Sub Function Code Name 0x00 Return Data Request 0x0B Return Message Counter With sub function codes 0x00 only one 16 bit ...

Page 78: ...000 to 0xFFFF Data 2 Bytes 0x01 to 0x7B FC17 Report Slave ID With this function code the Slave ID can be queried Request Parameter Length Code Data Function Code 1 Byte 0x11 Response Parameter Length Code Data Function Code 1 Byte 0x11 Byte Number 1 Byte Slave ID 1 Byte Run Indicator Status 1 Byte FC43 Sub 14 Read Device Identification With this function code the Device Identification can be queri...

Page 79: ...otalflow Levelmaster Kimray DACC 2000 3000 Levelmaster Thermo Electron Autopilot Levelmaster Parameters for the bus communication The SITRANS LG260 is preset with the default values Parameter Configurable Values Default Value Baud Rate 1200 2400 4800 9600 19200 9600 Start Bits 1 1 Data Bits 7 8 8 Parity None Odd Even None Stop Bits 1 2 1 Address range Levelmaster 32 32 The Levelmaster commands are...

Page 80: ...number 0 no warning PV in inches will be repeated if Set number of floats is set to 2 Hence 2 measured values can be transmitted PV value is transmitted as first measured value SV as seconed measured value Information The max value for the PV to be transmitted is 999 99 inches cor responds to approx 25 4 m If the temperature should be transmitted in the Levelmaster protocol then TV must be set in ...

Page 81: ... to 0 no level is returned Set Baud Rate Request Parameter Length Code Data Set Baud Rate 8 12 characters ASCII UuuBbbbb b pds Bbbbb b 1200 9600 default pds parity data length stop bit optional parity none 81 even 71 default odd 71 Response Parameter Length Code Data Set Baud Rate 11 characters ASCII Example U01B9600E71 Change instrument on address 1 to baudrate 9600 parity even 7 data bits 1 stop...

Page 82: ...t Receive to Transmit Delay 5 characters ASCII UuuFn n number of measurement values 0 1 or 2 Report Receive to Transmit Delay Request Parameter Length Code Data Report Receive to Transmit Delay 4 characters ASCII UuuR Response Parameter Length Code Data Report Receive to Trans mit Delay 7 characters ASCII UuuRmmm mmm milliseconds 50 up to 250 default 127 ms Error codes Error Code Name EE Error Err...

Page 83: ...c to GND Fig 45 Connection of SITRANS LG260 to RTU Fisher ROC 809 1 SITRANS LG260 2 RTU Fisher ROC 809 3 Voltage supply Parameter Parameter Value Baud Rate 9600 Floating Point Format Code 0 RTU Data Type Conversion Code 66 Input Register Base Number 0 The basic number of the input registers is always added to the input register address of SITRANS LG260 Address 1300 must hence be entered as registe...

Page 84: ...ion of SITRANS LG260 to RTU ABB Total Flow 1 SITRANS LG260 2 RTU ABB Total Flow Parameter Parameter Value Baud Rate 9600 Floating Point Format Code 0 RTU Data Type 16 Bit Modicon Input Register Base Number 1 The basic number of the input registers is always added to the input register address of SITRANS LG260 Address 1303 must hence be entered as register address for 1302 for RTU ABB Total Flow ...

Page 85: ...RTU Thermo Electron Autopilot 1 SITRANS LG260 2 RTU Thermo Electron Autopilot 3 Voltage supply Parameter Parameter Value Baud Rate 9600 Floating Point Format Code 0 RTU Data Type IEE Fit 2R Input Register Base Number 0 The basic number of the input registers is always added to the input register address of SITRANS LG260 For that reason address 1300 must be entered as register address for 1300 for ...

Page 86: ... of SITRANS LG260 to RTU Bristol ControlWave Micro 1 SITRANS LG260 2 RTU Bristol ControlWave Micro 3 Voltage supply Parameter Parameter Value Baud Rate 9600 Floating Point Format Code 2 FC4 RTU Data Type 32 bit registers as 2 16 bit registers Input Register Base Number 1 The basic number of the input registers is always added to the input register address of SITRANS LG260 Address 1303 must hence b...

Page 87: ...Fig 49 Connection of SITRANS LG260 to RTU ScadaPack 1 SITRANS LG260 2 RTU ScadaPack 3 Voltage supply Parameter Parameter Value Baud Rate 9600 Floating Point Format Code 0 RTU Data Type Floating Point Input Register Base Number 30001 The basic number of the input registers is always added to the input register address of SITRANS LG260 Address 31303 must hence be entered as register address for 1302...

Page 88: ...perating Instructions 44284 EN 171021 10 7 Dimensions Housing 1 81 mm 3 19 ø 77 mm 3 03 114 mm 4 49 M20x1 5 NPT M16x1 5 Fig 50 Dimensions of housing with integrated display and adjustment module the housing is 9 mm 0 35 inches higher ...

Page 89: ... 1 81 22 mm 0 87 ø 20 mm 0 79 150 mm 5 91 ø 4 mm 0 16 ø 6 mm 0 24 G SW 36 mm 1 42 3 1 2 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 L Sensor length see chapter Technical data 1 Cable ø 4 mm 0 157 in 2 Cable ø 6 mm 0 236 in PA coated 3 Joint cable ...

Page 90: ...15 L 30 mm 1 18 ø 30 mm 1 18 SW 55 mm 2 17 G1 150 mm 5 91 ø 6 mm 0 24 3 2 1 ø 11 mm 0 43 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 L Sensor length see chapter Technical data 1 Cable ø 6 mm 0 236 in 2 Cable ø 11 mm 0 433 in PA coated 3 Joint cable ...

Page 91: ... Instructions 44284 EN 171021 SITRANS LG260 rod version ø 16 mm 0 63 in 80 mm 3 15 L 30 mm 1 18 ø 16 mm 0 63 SW 55 mm 2 17 G1 1 Fig 53 SITRANS LG260 rod ø 16 mm 0 63 in threaded version L Sensor length see chapter Technical data 1 Joint rod ...

Page 92: ...92 PBD 51041059 SITRANS LG260 Operating Instructions 44284 EN 171021 10 8 Trademark All the brands as well as trade and company names used are property of their lawful proprietor originator ...

Page 93: ...eviation 54 Display format 33 E Echo curve memory 49 Echo curve of the setup 35 Electronics compartment 21 Error codes 52 Event memory 49 F Factory calibration date 41 False signal suppression 31 Fault rectification 54 Functional principle 9 H HART address 40 I Inflowing medium 15 Installation position 13 K Key function 24 L Language 32 Linearisation 29 Lock adjustment 32 M Main menu 26 Meas certa...

Page 94: ...94 PBD 51041059 SITRANS LG260 Operating Instructions 44284 EN 171021 Simulation 35 Special parameters 41 T Type label 8 Type of medium 27 U Units 27 ...

Page 95: ...Notes 95 PBD 51041059 SITRANS LG260 Operating Instructions 44284 EN 171021 ...

Page 96: ...x 4225 Peterborough ON K9J 7B1 Canada email techpubs smpi siemens com www siemens com processautomation Subject to change without prior notice PBD 51041059 Rev 5 0 Siemens AG 2017 For more information www siemens com level www siemens com weighing Printed in Canada ...

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