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Siemens SITRANS LG240, Руководство по эксплуатации

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PBD-51041038

SITRANS LG240 - Operating Instructions

44286-EN-171021

1

Fig. 37: Exchanging the measuring rod
1  Sealing ring (9.25 x 1.78)

4.  Loosen process fitting with a suitable wrench.
5.  Unscrew the process fitting manually from the sensor.
6.  Remove the old seal out of the process fitting.
7.  Insert the attached new seal ring (15.54 x 2.62) into the process 

fitting.

Содержание SITRANS LG240

Страница 1: ...Operating Instructions 09 2017 Guided Wave Radar SITRANS LG240 4 20 mA HART two wire Polished rod probe ...

Страница 2: ...2 PBD 51041038 SITRANS LG240 Operating Instructions 44286 EN 171021 ...

Страница 3: ...ting to power supply 20 5 1 Preparing the connection 20 5 2 Connecting 21 5 3 Wiring plan single chamber housing 23 5 4 Wiring plan double chamber housing 23 5 5 Wiring plan Ex d ia double chamber housing 24 5 6 Supplementary electronics 25 5 7 Switch on phase 25 6 Set up with the display and adjustment module 27 6 1 Insert display and adjustment module 27 6 2 Adjustment system 28 6 3 Parameter ad...

Страница 4: ...How to proceed if a repair is necessary 66 10 Dismount 67 10 1 Dismounting steps 67 10 2 Disposal 67 11 Supplement 68 11 1 Technical data 68 11 2 Dimensions 77 11 3 Trademark 82 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 instructi...

Страница 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...

Страница 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...

Страница 7: ...er 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 field devices and display adjustment compon...

Страница 8: ...ass 12 Reminder to observe the instrument documentation 13 ID numbers instrument documentation This operating instructions manual applies to the following instrument versions Hardware from 1 0 0 Software from 1 3 0 Only for instrument versions without SIL qualification The instrument and the electronics version can be determined via the product code on the type label as well as on the electronics ...

Страница 9: ...cy 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 d h 1 Fig 2 Level measurement 1 Sensor reference plane seal surface of the process fitting d Distance to the level h Height Level High frequency microwave impulses are guided along a steel cable or r...

Страница 10: ... of dielectric constants on our home page www siemens com sitranslg The composition of the upper medium must be stable no varying products or mixtures The upper medium must be homogeneous no stratifications within the medium Min thickness of the upper medium 50 mm 1 97 in Clear separation from the lower medium emulsion phase or detri tus layer max 50 mm 1 97 in If possible no foam on the surface L...

Страница 11: ...left closed and stored according to the orientation and storage markings on the outside Unless otherwise indicated the packages must be stored only under the following conditions Not in the open Dry and dust free Not exposed to corrosive media Protected against solar radiation Avoiding mechanical shock and vibration Storage and transport temperature see chapter Supplement Technical data Ambient co...

Страница 12: ...ch type of signal output You can find further information in the operating instructions manual Electronics module SITRANS series LG If you mount the SITRANS LG240 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 If you are using an instrument with rod vers...

Страница 13: ... are sealed with plastic plugs as transport protection You have to remove these plugs before electrical connection NPT thread In the case of instrument housings with self sealing NPT threads it is not possible to have the cable entries screwed in at the factory The free openings for the cable glands are therefore covered with red dust protection caps as transport protection The dust protection cap...

Страница 14: ...eep 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 4 Vessel with conical bottom Plastic vessel Glass vessel The guided microwave principle requires a metallic surface on the process fitting Therefore in plastic vessels etc use an instru m...

Страница 15: ...sockets or sockets with a bigger diameter can generally be used They can however increase the upper blocking distance dead band Check if this is relevant for your measurement In such cases always carry out a false signal suppression after mounting You can find further information under Setup procedure h d d h DN25 DN150 150 mm 5 91 100 mm 3 94 DN150 DN200 Fig 6 Mounting socket When welding the soc...

Страница 16: ...ove the filling stream Make sure that you detect the product surface not the inflowing product Fig 8 Mounting of the sensor with inflowing medium The reference plane for the measuring range of the sensors is the sealing surface of the thread or flange Keep in mind that a min distance must be maintained below the refer ence plane and possibly also at the end of the probe measurement in these areas ...

Страница 17: ...signal runtime let the instrument determine the probe length automatically The determined probe length can deviate from the actual 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 supple...

Страница 18: ... housing from the process fitting Under very harsh ambient conditions the autoclavable version can be optionally also combined with an external housing Open the slotted nut with a hook wrench and remove the housing in an upward direction The side of the process fitting must be covered with a lid after the housing is removed Screw the enclosed lid with slotted nut onto the instrument side of the pr...

Страница 19: ...Instructions 44286 EN 171021 114 mm 4 49 DIN DN25 DN32 DN40 1 1 1 2 L ø 54 mm 2 13 ø w 183 mm 7 20 65 3 mm 2 57 ø w ø 50 5 DIN DN50 2 ø 64 ø 91 DIN DN65 3 2 1 3 Fig 10 Autoclaved version 1 Groove nut 2 Process fitting 3 Cover with groove nut ...

Страница 20: ...magnetic interference is expected which is above the test values of EN 61326 1 for industrial areas screened cable should be used Make sure that the cable used has the required temperature resist ance and fire safety for max occurring ambient temperature We generally recommend the use of screened cable for HART multidrop mode Use cable with round cross section for instruments with housing and cabl...

Страница 21: ...erminal on the housing This connection exists either directly via the conductive metallic parts or in case of instruments with external electronics via the screen of the special connection cable You can find specifications on the potential connections inside the instrument in chapter Technical data 5 2 Connecting The voltage supply and signal output are connected via the spring loaded terminals in...

Страница 22: ...s as well as flexible cores with wire end sleeves are insert ed directly into the terminal openings In case of flexible cores without end sleeves press the terminal from above with a small screwdriver the terminal opening is then free When the screwdriver is released the terminal closes again You can find further information on the max wire cross section under Technical data Electromechanical data...

Страница 23: ...n applies to the non Ex Ex ia and Ex d ia version 5 1 2 6 7 8 4 20mA 2 3 4 1 Fig 13 Electronics and terminal compartment single chamber housing 1 Voltage supply signal output 2 For display and adjustment module or interface adapter 3 For external display and adjustment unit 4 Ground terminal for connection of the cable screen 5 4 Wiring plan double chamber housing The following illustrations apply...

Страница 24: ...erminal for connection of the cable screen 5 5 Wiring plan Ex d ia double chamber housing 3 1 2 5 6 7 8 1 2 4 20mA Fig 16 Electronics compartment Ex d ia double chamber housing 1 Internal connection to the terminal compartment 2 For display and adjustment module or interface adapter 3 Internal connection to the plug connector for external display and adjust ment unit optional Note HART multidrop m...

Страница 25: ...c tronics Additional current output 1 First current output I Voltage supply and signal output sensor HART 2 Additional current output II Voltage supply and signal output without HART 3 Ground terminal for connection of the cable screen 5 7 Switch on phase After connecting the instrument to power supply or after a voltage recurrence the instrument carries out a self check for approx 30 s Internal c...

Страница 26: ... Instructions 44286 EN 171021 As soon as a plausible measured value is found the corresponding current is outputted to the signal cable The value corresponds to the actual level as well as the settings already carried out e g factory setting ...

Страница 27: ...w 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 is carried out in reverse order The display and adjustment module is powered by the sensor an ad ditional connection is not necessary Fig 19 Insertion of the display and adjustment mo...

Страница 28: ... 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 ...

Страница 29: ...are displayed In the third view the selected measured value as well as a second selectable value e g the temperature are displayed 6 3 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...

Страница 30: ...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...

Страница 31: ...between level measurement and interface measurement You can also choose between measurement in a vessel or in a bypass or standpipe 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 ...

Страница 32: ... if the gas phase is permanently pre sent This menu item is only available if you have selected interface meas urement under the menu item Application In this menu item you can enter the dielectric constant of the upper medium You can directly enter the dielectric constant of the upper medium or have the value determined by the instrument If you want the dielectric constant to be determined by the...

Страница 33: ...th OK 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 This menu item is only available if you have selected interface meas urement under the menu item Application Enter the requested percentage value for the max adjus...

Страница 34: ...vel e g a horizontal cylindri cal or spherical tank when the indication or output of the volume is required Corresponding linearisation curves are preprogrammed for these vessels They represent the correlation between the level percentage and vessel volume The linearisation applies to the measured value indication and the current output By activating the appropriate curve the volume per centage of...

Страница 35: ...ove 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 h D h Fig 21 Vessel height and socket correction value D Vessel height h Positive socket correction value h Negative 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 de...

Страница 36: ...hould be done with the lowest possible level so that all potential interfering reflections can be detected Proceed as follows Select first if the probe is covered or uncovered If the probe is covered enter the actual distance from the sensor to the product surface All interfering signals in this section are detected by the sensor and stored Keep in mind that with covered probe only false signals i...

Страница 37: ...e adjustment via PACTware DTM as well as other systems is also blocked In delivery status the PIN is 0000 Call our service department if you have modified and forgotten the PIN If a supplementary electronics 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 add...

Страница 38: ...nics tem perature In this 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 ...

Страница 39: ...measurement can be influenced by the process conditions In this menu item the measurement certainty of the level measure ment is displayed in mV The higher the value the more reliable the measurement If you have selected interface measurement under the menu item Setup Application the peak values of the interface measurement are displayed in addition to the peak values of the level measurement In a...

Страница 40: ...you can zoom part sections of the echo curve X Zoom Zoom function for the meas distance Y Zoom 1 2 5 and 10x signal magnification in V Unzoom Reset the presentation to the nominal measuring range without magnification In this menu item you can simulate measured values via the current output This allows the signal path to be tested e g through down stream indicating instruments or the input card of...

Страница 41: ...o compare the echo curve of the setup with the actual echo curve The function Echo curve memory enables storing echo curves of the measurement Under the sub menu item Echo curve memory you can store the current echo curve Parameter settings for recording the echo curve and the settings of the echo curve itself can be carried out in the adjustment software PACTware With the adjustment software PACT...

Страница 42: ...lues of the instrument De pending on the instrument version or application all menu items may not be available or some may be differently assigned Menu Setup Menu Menu item Default value Setup Lock adjustment Released Measurement loop name Sensor Units Distance unit order specific Temperature unit order specific Probe length Länge der Messsonde factory set ting Type of medium Liquid Application Le...

Страница 43: ...Scaling interface 100 corresponds to 100 Scaling interface 0 corresponds to 0 Setup Current output output variable Lin percent Level Current output Output characteristics 0 100 correspond to 4 20 mA Current output Reaction in case of fault 3 6 mA Current output Min 3 8 mA Current output Max 20 5 mA Current output 2 Output variable Distance Level Current output 2 Output characteristics 0 100 corres...

Страница 44: ... parameters The copied data are permanently saved in an EEPROM memory in the display and adjustment module and remain there even in case of power failure From there they can be written into one or more sen sors or kept as backup for a possible electronics exchange Note Before the data are stored in the sensor a check is carried out to determine if the data fit the sensor If the data do not fit a f...

Страница 45: ...tem Scaling variable you define the scaling variable and the scaling unit for the interface value on the display e g volume in l In menu item Scaling format you define the scaling format on the display and the scaling of the measured interface value for 0 and 100 Since scaling is very extensive scaling of the level value was divided into two menu items Additional settings Scaling level Scaling var...

Страница 46: ...ensors 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 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 The default setting is Analogue current outpu...

Страница 47: ...e parameterisation data We recommended writing down the adjustment data e g in this op erating instructions manual and archiving them afterwards They are thus available for multiple use or service purposes If the instrument is equipped with a display and adjustment module the data in the sensor can be saved in the display and adjustment module The procedure is described in menu item Copy device se...

Страница 48: ...urve 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 via the menu item Copy device settings ...

Страница 49: ...nsor via the interface adapter 1 USB cable to the PC 2 Interface adapter 3 Sensor 1 3 2 5 4 Fig 23 Connecting the PC via HART to the signal cable 1 Sensor 2 HART resistance 250 Ω optional depending on evaluation 3 Adapter cable for HART modem 4 Processing system PLC Voltage supply 5 HART modem Via the interface adapter directly on the sensor Connection via HART ...

Страница 50: ...the latest instrument software from our homepage A description of the update procedure is also available in the Internet The further setup steps are described in the online help of PACTware and the DTMs Fig 24 Example of a DTM view The device DTM includes an assistant for simple project configuration simplifying the adjustment considerably You can save and print your project documentation as well ...

Страница 51: ...on 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 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 DT...

Страница 52: ...n Quick setup to start the assistant driven adjust ment for a simplified and reliable setup 7 4 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 Start quick setup ...

Страница 53: ... Device descriptions for the instrument are available as EDD for pa rameterisation with Field Communicator 375 or 475 Integrating the EDD into the Field Communicator 375 or 475 requires the Easy Upgrade Utility software which is available from the manu facturer This software is updated via the Internet and new EDDs are automatically accepted into the device catalogue of this software after they ar...

Страница 54: ...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...

Страница 55: ...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...

Страница 56: ...led or interrupted software update Repeat software update Check electronics version Exchanging the electronics Send instrument for repair Bit 3 of Byte 0 5 F040 Error in the electronics Hardware defect Exchanging the electronics Send instrument for repair Bit 4 of Byte 0 5 F041 Probe loss Probe mechanically defec tive Check probe and exchange if necessary Bit 13 of Byte 0 5 F080 General soft ware ...

Страница 57: ...tion 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 message Out of specification and provides information on causes as well as corrective measures Code Text mes sage Cause Rectification DevSpec State in CMD 48 S600 Impermissi ble electroni...

Страница 58: ...te 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 operation Check and correct mounting and or parameter adjustment Bit 5 of Byte 14 24 Process component or probe contaminated or defective Clean or exchange process ...

Страница 59: ...ng 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 examples for application relevant measurement errors...

Страница 60: ...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...

Страница 61: ...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 module must be loaded with the default settings of the sensor These are the options In th...

Страница 62: ...g onto the thread 4 Screw the new rod carefully by hand onto the thread on the pro cess fitting 5 Exert counterforce manually and tighten the rod on the flat sur faces with a torque of 4 5 Nm 3 32 lbf ft 1 Fig 36 Exchanging the measuring rod 1 Seal ring Information Please maintain the specified torque so that the max tensile strength of the connection remains 6 Enter new probe length and if necess...

Страница 63: ... Three different seal sets are available They contain the seals for the process fitting and the measuring rod For segmented rods several seals for the measuring rod are included Exchange the seal whenever you loosen connection EPDM Freudenberg 70 EPDM 291 20 130 C FFKM Kalrez 6221 20 150 C FEPM Vi 602 Extreme ETP COG 10 150 C Caution Remember that the polished rod of the food version is very sensi...

Страница 64: ...xchanging the measuring rod 1 Sealing ring 9 25 x 1 78 4 Loosen process fitting with a suitable wrench 5 Unscrew the process fitting manually from the sensor 6 Remove the old seal out of the process fitting 7 Insert the attached new seal ring 15 54 x 2 62 into the process fitting ...

Страница 65: ...uitable wrench with a torque of 20 Nm 14 75 lbf ft 10 Screw the rod carefully by hand into the thread on the process fitting 11 Exert counterforce manually and tighten the rod on the flat sur faces with a torque of max 4 5 Nm 3 32 lbf ft Information Please maintain the specified torque so that the max tensile strength of the connection remains 9 8 Software update The following components are requi...

Страница 66: ...ownload 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 9 9 How to proceed if a repair is necessary If it is necessary to repair the instrument please contact Sie mens Mill...

Страница 67: ...companies 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 instrumen...

Страница 68: ...ng AlSi10Mg powder coated basis Polyester Ʋ Ʋ Stainless steel housing precision casting 316L Ʋ Ʋ Stainless steel housing electropol ished 316L Ʋ Ʋ Seal between housing and housing lid Silicone SI 850 R Ʋ Ʋ Inspection window in housing cover optional Polycarbonate with Ex d version glass Ʋ Ʋ Ground terminal 316L Ʋ Ʋ Cable gland PA stainless steel brass Ʋ Ʋ Sealing cable gland NBR Ʋ Ʋ Blind plug cab...

Страница 69: ... switching on 3 6 mA Load see load under Power supply Damping 63 of the input variable adjustable 0 999 s HART output values according to HART 7 default setting 2 Ʋ Ʋ First HART value PV Linearised percentage value level Ʋ Ʋ Second HART value SV Distance to the level Ʋ Ʋ Third HART value TV Measurement certainty level Ʋ Ʋ Fourth HART value QV Electronics temperature Indication value Display and ad...

Страница 70: ...0770 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 reference conditions Ʋ Ʋ Min distance to internal installations 500 mm 19 69 in Ʋ Ʋ Vessel metallic ø 1 m 3 281 ft centric mounting process fit ting flush with the vessel ceiling Ʋ Ʋ Medium Water Oil dielectric...

Страница 71: ... Lower dead band see following diagrams grey section Typical deviation Interface measure ment 5 mm 0 197 in Typical deviation Total level interface measurement See following diagrams Typical deviation Level measurement6 7 See following diagrams 6 Depending on the mounting conditions deviations can occur which can be rectified by adapting the adjustment or changing the measured value offset in the ...

Страница 72: ...5 mm 0 591 15 mm 0 591 10 mm 0 394 0 35 m 13 78 0 15 m 5 906 0 1 m 3 937 0 05 m 1 969 1 1 Fig 41 Deviation SITRANS LG240 in rod version in oil 1 Dead band no measurement possible in this area L Probe length Repeatability 1 mm Variables influencing measurement accuracy Specifications for the digital measured value Temperature drift Digital output 3 mm 10 K relating to the max measuring range or max...

Страница 73: ...s 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...

Страница 74: ...Ʋ EPDM Freudenberg 70 EPDM 291 20 130 C 4 266 F Ʋ Ʋ FEPM Vi 602 Extreme ETP Fa COG 10 150 C 14 302 F 1 2 3 4 A B 0 C 32 F 40 C 40 F 80 C 176 F 35 C 95 F 30 C 86 F 45 C 113 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 ...

Страница 75: ...odule Display element Display with backlight Measured value indication Ʋ Ʋ Number of digits 5 Ʋ Ʋ Size of digits W x H 7 x 13 mm Adjustment elements Ʋ Ʋ 4 keys OK ESC Ʋ Ʋ Switch Bluetooth On Off Protection rating Ʋ Ʋ unassembled IP 20 Ʋ Ʋ mounted in the housing without lid IP 40 Materials Ʋ Ʋ Housing ABS Ʋ Ʋ Inspection window Polyester foil Functional safety SIL non reactive Integrated clock Date ...

Страница 76: ...400 Hz Permissible residual ripple Ex d ia instrument Ʋ Ʋ for 18 V UB 36 V 1 Veff 16 400 Hz Load resistor Ʋ Ʋ Calculation UB Umin 0 022 A Ʋ Ʋ Example Non Ex instrument with UB 24 V DC 24 V 9 6 V 0 022 A 655 Ω Potential connections and electrical separating measures in the instrument Electronics Not non floating Ground terminal Galvanically connected with the metal process fitting Galvanic separati...

Страница 77: ...overvoltage protection up to 5000 m 16404 ft Pollution degree10 4 Protection class III11 Approvals Instruments with approvals can have deviating technical data depending on the version For such instruments the corresponding approval documents must be noted 11 2 Dimensions Plastic housing 69 mm 2 72 ø 77 mm 3 03 114 mm 4 49 M20x1 5 NPT 86 mm 3 39 M16x1 5 114 mm 4 49 M20x1 5 NPT ø 77 mm 3 03 1 2 Fig...

Страница 78: ...igher 1 Aluminium single chamber 2 Aluminium double chamber Stainless steel housing 69 mm 2 72 ø 77 mm 3 03 119 mm 4 69 M20x1 5 NPT 59 mm 2 32 ø 80 mm 3 15 112 mm 4 41 M20x1 5 NPT 90 mm 3 54 ø 84 mm 3 31 123 mm 4 84 M20x1 5 NPT M16x1 5 3 2 1 Fig 45 Housing versions with protection rating IP 66 IP 68 0 2 bar with integrated display and adjustment module the housing is 9 mm 0 35 in higher 1 Stainles...

Страница 79: ...S LG240 Operating Instructions 44286 EN 171021 SITRANS LG240 rod version ø 8 mm 0 315 in polished L 56 mm 2 20 ø 8 mm 0 32 Fig 46 SITRANS LG240 rod version ø 8 mm 0 315 in polished L Sensor length see chapter Technical data ...

Страница 80: ...8 mm 0 315 in polished autoclaved version 114 mm 4 49 DIN DN25 DN32 DN40 1 1 1 2 L ø 54 mm 2 13 ø w 183 mm 7 20 65 3 mm 2 57 ø w ø 50 5 DIN DN50 2 ø 64 ø 91 DIN DN65 3 2 1 3 Fig 47 SITRANS LG240 rod version ø 8 mm 0 315 in polished autoclaved version 1 Compression nut 2 Process fitting 3 Cover lid ...

Страница 81: ...ø 8 mm 0 315 in polished A 1 B C L L ø8 mm 0 31 ø13 mm 0 51 SW 10 Fig 48 Extension rods with ø 8 mm 0 315 in 1 Version with threaded fitting 2 Version with flange connection A Basic extension rod with ø 8 mm 0 315 in B Extension rod with ø 8 mm 0 315 in C End rod with ø 8 mm 0 315 in L Length order length ...

Страница 82: ...82 PBD 51041038 SITRANS LG240 Operating Instructions 44286 EN 171021 11 3 Trademark All the brands as well as trade and company names used are property of their lawful proprietor originator ...

Страница 83: ...8 E Echo curve memory 54 Echo curve of the setup 41 EDD Enhanced Device Description 53 Electrical connection 20 21 Electronics and terminal compartment 23 Electronics compartment double chamber housing 23 Error codes 57 Event memory 54 F Factory calibration date 47 False signal suppression 36 Fault rectification 58 Functional principle 9 G Gas phase 32 H HART address 46 I Inflowing medium 16 Insta...

Страница 84: ...41038 SITRANS LG240 Operating Instructions 44286 EN 171021 S Scaling measured value 44 45 Sensor characteristics 47 Sensor status 38 Simulation 40 Special parameters 46 T Type label 8 Type of medium 31 U Units 31 ...

Страница 85: ...Notes 85 PBD 51041038 SITRANS LG240 Operating Instructions 44286 EN 171021 ...

Страница 86: ...Notes 86 PBD 51041038 SITRANS LG240 Operating Instructions 44286 EN 171021 ...

Страница 87: ...Notes 87 PBD 51041038 SITRANS LG240 Operating Instructions 44286 EN 171021 ...

Страница 88: ...x 4225 Peterborough ON K9J 7B1 Canada email techpubs smpi siemens com www siemens com processautomation Subject to change without prior notice PBD 51041038 Rev 6 0 Siemens AG 2017 For more information www siemens com level www siemens com weighing Printed in Canada ...

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